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Home My WebLink About20191737.tiffUSE BY SPECIAL REVIEW (USR) APPLICATION DEPARTMENT OF PLANNING SERVICES * 1555 N. 17TH AVENUE * GREELEY, CO 80631 www.weldgov.com * 970-400-6100 * FAX 970-304-6498 FOR PLANNING DEPARTMENT USE: DATE RECEIVED: AMOUNT $ CASE # ASSIGNED: APPLICATION RECEIVED BY PLANNER ASSIGNED: Parcel Number* 0 4 6 7 - 3 0 - 0 - 0 0 - 0 0 2 Address of site: Legal Description: 3288 S2 (*A 12 digit number on Tax I.D. information, obtainable at www.weldgov.com). Section* 30 Township: 9 N Range: 60 W Zone District: Ag Acreage: 162 Floodplain: Y JI (Geological Hazard: YOJ 0 Airport Overlay: YCN a FEE OWNER(S) OF THE PROPERTY: Name: Company: Gabel Cattle LLC Phone #: Email: Street Address: P.O. Box 717 City/State/Zip Code* Galeton, CO 80622 Name: Company: Phone #: Email: Street Address: City/State/Zip Code: Name: Company: Phone #: Email: Street Address: City/State/Zip Code: APPLICANT OR AUTHORIZED AGENT: (See below: Authorization must accompany all applications signed by Authorized Agents) Name' Nicholas Holland Company. Cureton Front Range, LLC Phone #: 720.390.4506 Email: nick.holland(o�curetonmidstream.com Street Address: 518 17th Street, Suite 1405 City/State/Zip Code' Denver, CO 80202 PROPOSED USE: Construction and operation of three cryogenic plant trains: (1) a 20 -million standard cubic foot per day (MMscfd) train, (2) a 60-MMscfd train, and (3) a 200-MMscfd train, and a 60-MMscfd compressor station. I (We) hereby depose and state under penalties of perjury that contained within the application are true and correct to the best of must sign this application. If an Authorized Agent signs, a letter of application. If a corporation is the fee owner, notarized evidence authority to sign for the ation. .zi2 12/26/2018 Signature: Owner or Authorized Agent Date Nicholas Holland Print Name all statements, proposals, and/or plans submitted with or my (our)knowledge. Signatures of all fee owners of property authorization from all fee owners must be included with the must be included indicating that the signatory has to legal Signature: Owner or Authorized Agent Date Print Name Rev 4/2016 Cureton Front Range, LLC Hookside Cryogenic Gas Processing Plant Request to Amend December 28, 2018 USR Permit Application Weld County Case #USR19-0004 Cureton Front Range, LLC is requesting to amend its December 28, 2018 Use by Special Review (USR) permit application for the Hookside Cryogenic Gas Processing Plant (Weld County Case USR19-0004) to include the installation of a secure communications tower no taller than 69.9 feet in height on the project site. The tower height is being proposed so it should not constitute a hazard to aircraft. The communications tower will be erected in a safe location to contain ice fall and debris from tower failure, as well as to accommodate a 1:1 fall zone. Because design of the Hookside project site is still ongoing, the secure communications tower is anticipated to be located approximately 1,035 feet from the south property line and 720 feet from the east property line; however, this location is subject to change as the design progresses. The secure communications tower will be designed with co -location compatibility, and any co -locators will be required to meet Cureton's minimum security requirements for co -location. The communication tower and appurtenant parts will comply with the minimum setbacks cited in Weld County Code Ordinance 2015-8 for the Agricultural Zone. Cureton understands the noise level must adhere to the maximum permissible noise level in the Agricultural Zone. DEPARTMENT OF PLANNING AND BUILDING DEPARTMENT OF PUBLIC HEALTH AND ENVIRONNMENT 1555 NORTH 17TM AVENUE GREELEY, CO 80631 AUTHORIZATION FORM I, (We), Gabel Cattle, LLC give permission to _Cureton Front Range, LLC (Owner — please print) (Authorized Agent — please print) to apply for any Planning, Binding or Septic permits on our behalf, for the properly located at (address or parcel number) below: O46730000002 Legal Description: 3288 S2 30 O 80 EtC_MIN (2LBR) of Section _30_, Township 9 N, Range 6O W Subdivision Name: Lot Block Property Owners Information: Address: Gabel Cattle, LLC P.O. Box 717 Galeton, CO 80622 Phone: _970-483-7327 E-mail: _case©herdco.net Authorized Agent Contact Information: Address: _518 17th St. Suite 1405 Phone: 720-390-4506 E -Mail: nlck.hollandecuretonmidstr Correspondence to be sent to: Owner X Authorized Agent X Both / by Mail Email Additional Info: Owner Signature: �71 � � /a Wide& driti Date: Ati2 0 Owner Signature: Date: USE BY SPECIAL REVIEW APPLICATION FOR THE HOOKSIDE PROJECT CURETON MIDSTREAM 518 17th Street, Suite 1405 Denver, CO 80202 Prepared For: Weld County Planning Department 1555 North 17th Avenue Greeley, CO 80631 December 2018 Section 30, Township 9 North, Range 60 West Parcel 046730000002 ®CURET0N MIDSTREAM TABLE OF CONTENTS Hooksjde Project Ctit4?iOr' r- Y?' R,=.3,' c LL.i. 1.0 Project Overview 1 2.0 USR Questionnaire 2 2.1 Land Use 2 2.1.1 Proposed Use of the Property 2 2.1.2 Construction Phasing 2 2.1.3 Process Overview 4 2.1.4 Consistency with the Intent of Weld County Code, Chapter 22 of the Comprehensive Plan 5 2.1.5 Consistency with the Intent of Weld County Code, Chapter 23 (Zoning) and the Zone District in Which it is Located 6 2.1.6 Proposed Use Compatibility with Surrounding Land Uses 6 2.1.7 Inter -Governmental Agreement 7 2.2 Site Details 7 2.2.1 Hours and Days of Operation 7 2.2.2 Number of Full- and Part-time Employees 7 2.2.3 Number of People Using Site 7 2.2.4 Animals 8 2.2.5 Lot Surface and Square Footage 8 2.2.6 Parking Spaces 8 2.2.7 Surface Impact Mitigation 8 2.2.8 Security Fencing 9 2.2.9 Remediation 9 2.2.10 Fire Protection 9 2.2.11 On- and Off -site Improvements 9 2.2.12 USR Map 10 2.3 Building 10 2.3.1 Existing and Proposed Structures 10 2.4 Traffic 10 CURET0N MIDSTREAM Hookside Project 8`o•i=ta?r, Fal?rn LI C 2.4.1 Vehicle Roundtrips per Day 11 2.4.2 Travel Routes for Site Traffic 11 2.4.3 Travel Distribution along the Routes 11 2.4.4 Traffic Volumes 11 2.4.5 Site Access Location 11 2.5 Drainage 12 2.5.1 Drainage Design 12 2.6 Environmental Health 12 2.6.1 Drinking Water Source 12 2.6.2 Sewage Disposal System 13 2.6.3 Storage 13 2.6.3.1 Storage Occurrence 13 2.6.3.2 Fuel Storage 13 2.6.4 Vehicle Washing 14 2.6.5 Floor Drains 14 2.6.6 Air Quality 14 2.6.7 Operations Plan 14 2.6.8 Nuisance Management Plan 14 3.0 Comprehensive Surface Impact Plan 15 3.1 Communications Plan 15 3.2 Chain of Title Guarantees 16 3.3 Surrounding Property Owner List 16 3.4 Construction 16 3.4.1 Access Permits 16 3.4.2 Water Quality 16 3.4.3 Natural Resources Analysis 17 3.4.4 Traffic 20 3.4.5 Dust Abatement 20 3.5 Operations 20 3.5.1 Noise Evaluation and Abatement Plan 20 CURET0N MIDSTREAM Hooksirle Project Cu eton ,Fro 1t L _C 3.5.1.1 Ambient Sound Level Survey 21 3.5.1.2 Noise Impact Assessment 21 3.5.1.3 Noise Mitigation Plan, if needed 22 3.5.2 Lighting 22 3.5.3 Waste Management 22 3.5.4 Air Quality 22 3.5.5 Spill Prevention, Control, and Countermeasure Plan 22 3.5.6 Emergency Response Planning 23 4.0 CONCLUSION 24 APPENDICES Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Appendix G Appendix H Appendix I Appendix J Pre -Application Meeting Minutes USR Vicinity Map and Site Plan Traffic Narrative Preliminary Drainage Report Water Supply Information Summary Form Waste Management Plan Chain of Title Guarantees Surrounding Property Owner List Environmental Assessment, Cultural Desktop Diligence Study, and Phase I Environmental Site Assessment Report Ambient Sound Level Report V' CURET0N MIDSTREAM 1.0 PROJECT OVERVIEW Hookside Project Cureton Front Range, LLC (Cureton) is in the process of expanding its operations in Weld County, Colorado. Cureton is proposing a compressor station, and a gas processing plant and interconnecting pipelines for the purpose of processing and the transportation of raw natural gas through gas pipelines. This Use by Special Review (USR) application and associated documentation is being provided to obtain a permit for the construction of three cryogenic plant trains: (1) a 20 -million standard cubic foot per day (MMscfd) train, (2) a 60-MMscfd train, and (3) a 200-MMscfd train, and a 60- MMscfd compressor station on property currently owned by Gabel Cattle, LLC. If/when a USR Permit is obtained for this Project, Cureton will purchase this property. This construction is collectively referred to as the Hookside Project (Project). Additional USR Permit applications will be submitted for any future plants, compressor stations, pipelines, or other facilities. A pre -application meeting was held with Weld County staff on November 29, 2018 (Case File PRE18-0322) in follow-up to Cureton's completion and submittal of a Weld County Pre -Application Review Request on November 19, 2018. A pre -application questionnaire update was filed with Weld County on December 7, 2018, reflecting a revised Project site and revised cryogenic plant train suite. A second pre -application meeting was not held due to the minimal changes between submittal of the original and updated pre -application questionnaire. A copy of the pre -application meeting minutes, including the list of attendees, is provided in Appendix A. The Project site is located west of the intersection of Weld County Road (WCR) 99 and WCR 100. WCR 100 borders the site on the south; WCR 99 borders the site on the east. Grover is the closest town and is located approximately 10.7 miles northwest of the Project site in Weld County, Colorado. The site address is to be determined. Cureton purchased parcel 046730000002. Cureton will create a Deed describing the 162 -acre parcel for this Project following the USR process. A separate Deed for the remaining acreage will also be created. Both deeds will be submitted to the Department of Planning Services. Cureton intends to construct the proposed Project starting in July of 2019. Items presented in this USR Permit application are preliminary and are subject to change until final design is complete and a USR Permit is obtained. V, CURETON MIDSTREAM 2.0 USR QUESTIONNAIRE Hookside Project ai' i n Front Range PLC The following sections of this application provide responses to Weld County's USR Questionnaire. If a question does not pertain to Cureton's proposed use, "not applicable" is indicated. 2.1 Land Use The sections below provide an overview of the proposed use of the property and associated process, and describe how the proposed use is consistent with Chapters 22 and 23 of Weld County's Comprehensive Plan. 2.1.1 Proposed Use of the Property The Hookside Project site will be used for the development of a cryogenic processing plant facility where natural gas flowing from wells will be cooled to sub -zero temperatures in order to condense liquids or natural gas liquids (NGLs). The plant layout will be fed by pipelines. Plant utilities will include: fuel gas, hot oil, methanol injection, instrument air, liquids storage, and fired destruction units. Plant equipment will be ground level or at a height of one to two stories. Exceptions to these general heights are the plant flare at an approximate height of 130 feet, the cryogenic tower at an approximate height of 120 feet, the stabilizer tower at an approximate height of 60 feet, and the molecular sieve units at approximate heights of 30 feet. The northwest corner of the Project site boundary is approximately 4,729 feet (0.9 mi) southeast of the nearest residence which is owned by Gabel Cattle, LLC on parcel 046524000005. There currently are no plans to develop the parent parcel adjacent to the Project parcel. All driving surfaces within the Project site will have gravel or recycled asphalt. For accessing into a gravel road, Weld County has indicated this meets tracking control requirements. 2.1.2 Construction Phasing Cureton plans to phase the construction/site build out of the Project. Cureton's anticipated four phases of construction are described here. The Compressor Station Phase will be the first phase to be installed; other phases are listed here in no particular order. ®CURETON MIDSTREAM Hookside Project 60-MMscfd Compressor Station Phase Construction of the Compressor Station Phase will consist of a 60-MMscfd compressor facility. Facility construction will take 3 to 5 months. The equipment will include but not be limited to: natural-gas fired compressors, a glycol dehydration unit, atmospheric storage tanks, a combustor, and associated electrical and piping. The facility will require 16 acres of disturbance that includes approximately 10 acres of temporary areas (e.g., construction trailers, construction parking, Conex boxes, etc.) that will be maintained throughout all phases of construction. Additionally, new 500 -kilo -volt-ampere (kVA), three-phase power will be installed; this will be brought in to the Project site from Morgan County Rural Electric Association (MCREA) distribution. For future phases, new 5-megavolt (MV) power will be brought in to the Project site from Tri-State transmission line. This connection will be installed in conjunction with MCREA and will only have to be done once for the remaining phases of the Project. When the next phase of the Project is constructed, an additional 50 acres will be required to be developed, independent of the phase being installed. Therefore, the first phase of cryogenic construction will have the largest area of disturbance. 20-MMscfd Processing Unit Phase Construction of the 20-MMscfd Processing Unit Phase will consist of a 20-MMscfd processing facility. Facility construction will take 3 to 5 months. The equipment will include but not be limited to: natural-gas fired compressors, a glycol dehydration unit, refrigeration processing skid, atmospheric storage tanks, pressurized storage tanks, truck loading and unloading racks, facility flare, and associated electrical and piping. The construction will also include a control room building and office building. The facility will require 5 acres of disturbance. 60-MMscfd Processing Unit Phase Construction of the 60-MMscfd Processing Unit Phase will consist of a 60-MMscfd processing facility. Facility construction will take 5 to 9 months. The equipment will include but not be limited to: natural-gas fired compressors, a glycol dehydration unit, cryogenic processing skid and tower, stabilizer tower, atmospheric storage tanks, pressurized storage tanks, truck loading and unloading racks, facility flare, and associated electrical and piping. 200-MMscfd Processing Unit Phase Construction of the 200-MMscfd Processing Unit Phase will take 6 to 9 months. The equipment will include but not be limited to: natural-gas fired compressors, a glycol dehydration unit, cryogenic processing skid and tower, stabilizer tower, atmospheric storage tanks, pressurized (Al 0URET0N MIDSTREAM Hookside Project storage tanks, truck loading and unloading racks, facility flare, and associated electrical and piping. 2.1.3 Process Overview Following is a detailed process overview by phase. 60-MMscfd Compressor Station Phase During the 60-MMscfd Compressor Station Phase, low-pressure (LP) natural gas will enter this facility and go into the LP slug catcher. Gas from the LP slug catcher will be sent to compression. Liquids from the LP slug catcher will be stored on site in atmospheric storage tanks. Emissions from the tanks will be controlled with a combustor. The combustor will also be used to control emissions as required in the air permit application. Gas sent to compression will be compressed to pipeline pressure. Any liquids generated in compression will be returned to the LP slug catcher. Gas from compression will be cooled and sent to a glycol dehydration unit to reduce the water content to pipeline specifications. Gas from the glycol dehydration unit will pass through a filter coalescer before being sent to pipeline. Liquids from the filter coalescer will be returned to the LP slug catcher. Fuel gas for this facility will be taken from the dry gas downstream of the final filter coalescer. Processing Unit Phases Other phases of the Project involve the expansion of the facility with, in no particulate order, a 20- MMscfd, 60-MMscfd, and a 200-MMscfd cryogenic gas separation unit. Depending on the final design, each train may share some common equipment (e.g., the slug catcher) or each train may be fully independent. High-pressure (HP) natural gas will enter the facility into an HP slug catcher. Liquids from the HP slug catcher will be processed in a stabilizer unit to produce a NGL product and a vapor product. Gas from the HP slug catcher will be combined with the vapor from the stabilizer unit and sent to gas treatment. Liquids from the stabilizer will be pumped up to pipeline pressure and blended with the liquids from the cryogenic gas separation unit. The inlet gas will potentially be treated in an amine unit to reduce the level of carbon dioxide and sulfur, if needed. The treated gas will then be dehydrated by molecular sieve. Dry gas will be sent to the cryogenic gas separation unit to recover various components from the natural gas depending on the facility's mode of operation. Residue gas will be compressed, metered, and transported via pipeline. A plant flare will be installed. The plant flare will only operate during maintenance operations and in emergency pressure relief situations. Each pipeline entering the facility will have a pig receiver. NV CURETON MIDSTREAM Hooks'de Project Each pipeline leaving the facility will have a pig launcher. Fuel gas for the expanded facility will be taken from the residue gas sent to pipeline. 2.1.4 Consistency with the Intent of Weld County Code, Chapter 22 of the Comprehensive Plan Section 22-2-10.D of the Weld County Code states that extraction of natural resources is an important part of the economy of Weld County, and that extraction operations should minimize the impacts to agricultural lands and agricultural operations. The proposed Project will contribute to the expansion of Weld County's industrial economic base by providing increased capacity for future extraction and marketing of oil and gas production in Weld County. Policy 7.2 of Section 22-2-20.G.A.2.A of Weld County's Code notes that the conversion of agricultural land to non -urban residential, commercial, and industrial uses should be accommodated when the subject site is in an area that can support such development, and should attempt to be compatible with the region. The Project will be located on rangeland in a semi -rural area. Cureton's Project design avoids the National Wetland Inventory (NWI) mapped wetland and Playas in the southwest corner of the Project site. And, there is a significant amount of oil and gas activity already occurring in Weld County; the Sterling Energy Centennial Gas Plant is located approximately 1 mile west of the Project site. Policies 8.1 through 8.5 of Sections 22-2-20.H.A.1-5 of Weld County's Code reflect the goal of ensuring that adequate services and facilities are currently available or reasonably obtainable to accommodate the requested land use change. As Cureton demonstrates through later sections of this application, such services and facilities are currently available or reasonably obtainable to accommodate the Project. Section 22-5-100.A of the Weld County Code indicates promoting the reasonable and orderly exploration and development of oil and gas mineral resources is a goal of Weld County. The Project supports such exploration and development. Per Chapter 22 of Weld County's Code, oil and gas facilities are allowed as a use by right in the A (Agricultural) Zone District; oil and gas storage facilities, support, and associated services require a USR Permit in Weld County. Goal 2 of Section 22-5-100.B.OG states that the extraction of oil and gas resources should be performed in a manner that conserves the land and minimizes the impact on surrounding land and the existing surrounding land uses. Policy 2.9 of Section 22-5-100.B.OG outlines the objective of Weld County to impose protective measures through available Federal, State, and County regulations so that the mineral operator conducts operations in a manner that will minimize current and future environmental impacts. This USR Permit application supports oil and gas extraction NV CURETON MIDSTREAM Hookside Project service aids in the centralization of oil and gas operations in the area with the surrounding parcels still being utilized for agricultural use or as protected Pawnee National Grasslands managed by the United States Forest Service (USFS). Cureton's Project design does not impact existing surrounding land uses and avoids or minimizes current and future environmental impacts. The natural and cultural analyses performed in support of this USR Permit application helped Cureton identify potential impacts and measures to avoid or mitigate such effects to protect such resources and values. The USR Permit application process for an oil and gas support service aids in the evaluation of such impacts. 2.1.5 Consistency with the Intent of Weld County Code, Chapter 23 [Zoning] and the Zone District in Which it is Located Section 23-3-10 of Weld County Code indicates that uses that are more intense and that could have a potentially greater impact than uses allowed by right are permitted within the A (Agricultural) Zone District. The operation of a processing facility for oil and gas operations, like Cureton's proposed Project, although minimally intrusive, is better suited for less densely populated areas such as the proposed Project site. In addition, the Project site currently has oil and gas infrastructure on the property and within close proximity of it (e.g., a fenced pipeline pigging station in the southeast corner of the property and an oil and gas tank battery west of the property). Section 23-3-40 of Weld County's Code indicates that oil and gas support and service facilities are acceptable as a USR within the A Zone District Section 23-3-40.A.2 of Weld County's Code notes that buildings, structures, and uses may be constructed, occupied, operated, and maintained in the A (Agricultural) Zone upon approval of a USR Permit. Such mineral resource development facilities include oil and gas support and service facilities like those proposed for Cureton's Project. Additionally, Section 23-3-40.A.7 of Weld County's Code identifies Transloading as an acceptable use; Section 23-3-40.S cites outdoor equipment and materials storage yard as acceptable uses; Section 23-3-30.K identifies cargo (Conex) containers; and Section 23-3-30.J which identifies "any other structure or use clearly incidental and accessory to the operation of a use allowed by right..." such as temporary construction trailers as allowed in the A (Agricultural Zone District) . 2.1.6 Proposed Use Compatibility with Surrounding Land Uses The parcels surrounding the Project site can be classified as mixed use with agricultural, industrial, and residential properties. The Project site currently has oil and gas infrastructure on the property and within close proximity of it (e.g., a fenced pipeline pigging station in the southeast corner of the property and an oil and gas tank battery west of the property). Oil and gas operations are occurring on parcels nearby the Project site. V CUREfON MIDSTREAM Hookside Project nGe LLC The Project is located in a rural area of Weld County where there is generally limited residential development. There are several similar uses associated with oil and gas development, including pipelines, well heads, and tank batterie, and the Sterling Energy Centennial Gas Plant located approximately 1 mile west of the Project site. While construction of the Project will generate some impacts because of the additional site activity in the area and vehicular trips to/from the site, once the Project is constructed and operational, there will be limited truck traffic from the facility (as described later in this USR Permit application). 2.1.7 Inter -Governmental Agreement An inter -governmental agreement is not applicable to this Project as the Project site it is not located within an Inter -governmental Agreement boundary. 2.2 Site Details The sections below present the anticipated operations at the Project site. 2.2.1 Hours and Days of Operation The hours and days of operations for the Hookside facility will be year-round, 24 hours a day, and 7 days per week. 2.2.2 Number of Full- and Part-time Employees For the first phase of the Project (described in Section 2.1.2), the Project site will be an unmanned facility with 1-2 visits per day by up to 1-2 staff to perform routine maintenance, safety checks, and other facility management duties. Future phases will be operational and require shift work. For the second phase, 4-6 employees will be required for the first shift with 2-4 employees working during the second shift. For the third phase, there will be an additional 2-4 staff (so 6-10 employees) working the first shift, and an additional 2-3 employees working during the second shift (so 4-7 employees). For the last phase, or final build out, there will be an additional 2-4 staff working during the first shift (so 8-14 employees) and an additional 1-2 staff working during the second shift (or 5-9 employees). 2.2.3 Number of People Using Site Approximately 8-12 people per day are anticipated to use the Project site including full-time employees, contractors, and third -party truck drivers. CURET0N MIDSTREAM 2.2.4 Animals This section is not applicable as there will be no animals on site. 2.2.5 Lot Surface and Square Footage Hookside Project e,, _ Panye LLC The total lot surface area is 162 acres (7,056,720 square feet), including the following approximate areas by phase. 60-MMscfd Compressor Station Phase: This phase includes approximately 8 acres for the compressor station and 8 acres for a laydown yard. Gravel will be placed and cover approximately 696,960 square feet. Approximately 217,800 square feet of this area will be reseeded. When the next phase of the Project is constructed, an additional 50 acres will be required to be developed, independent of the phase being installed. Therefore, the first phase of cryogenic construction will have the largest area of disturbance, and during that phase, approximately 1,742,400 square feet will be reseeded. After the initial cryogenic phase, no re -seeding is anticipated. 20-MMscfd Processing Unit Phase: This phase includes approximately 5 acres for the 20- MMscfd processing unit. Gravel will be placed and cover approximately 2,395,800 square feet. 60-MMscfd Processing Unit Phase: This phase includes approximately 5 acres for the 60- MMscfd processing unit. Gravel will be placed and cover approximately 217,800 square feet. 200-MMscfd Processing Unit Phase: This phase includes approximately 5 acres for the 200- MMscfd processing unit. Gravel will be placed and cover approximately 217,800 square feet. 2.2.6 Parking Spaces During operations, no more than 10 parking spaces will be required for site personnel. One of these will be an American with Disabilities Act (ADA)/handicapped parking space. During construction, all parking will be limited to the inside of the fenced areas of the Project site. 2.2.1 Surface Impact Mitigation Cureton is currently planning its stakeholder outreach to surrounding property owners (see Section 3.1). At that time, Cureton will solicit feedback from property owners about any impact concerns and possible mitigation solutions to those concerns. Cureton will take feedback provided 8 V' CURET0N MIDSTREAM Hookside Project .,rileton �.�8� %'<'ange LLC into consideration along with surrounding property uses and impacts to the area while consulting with and developing a mitigation plan applicable to the individual phases of the Project. 2.2.8 Security Fencing A standard 6 -foot chain link security fence is proposed around the Hookside facility. An entrance gate located at the main entrance of the facility off of WCR 100 will also be constructed for plant ingress and egress. Cureton will provide a Knox Box at the entrance via the control room once the second phase (described in Section 2.1.2) is in operation. 2.2.9 Remediation Cureton has no intention of ceasing operations of this facility once it is operational; however, if the facility is deemed obsolete, the facility closure will follow Federal, State, and local (i.e., Weld County) regulations. Post -construction areas will be reclaimed with native grasses. A Decommissioning Plan will be submitted to the Department of Planning Services during the USR process. 2.2.10 Fire Protection The Project site is located within the Pawnee Fire Protection District jurisdiction. Cureton will rely on that District to provide emergency response services to the facility. Cureton will engage with the Pawnee Fire Chief at the Pawnee Fire Department and appropriate fire stations (e.g., the Briggsdale Fire Department and New Raymer Stoneham Fire Department) such that emergency response personnel are familiar with the Hookside facility and the appropriate level of response per incident. Cureton will conduct tabletop scenario training with emergency response personnel (internal and external) for the facility. Refer to Section 3.5.6 for information regarding emergency response planning. 2.2.11 On- and Off -site Improvements There are no off -site improvements planned for this Project. On -site improvements will include perimeter fencing for the facility and gravel roads on the property to access the facility. Construction activities are expected to begin following receipt of the applicable Federal, State, and local (i.e., Weld County) permits. The construction phasing described in Section 2.1.2 is anticipated to last approximately 3-5 months for the first phase; 3-5 months for the second phase; 5-9 months for third phase; and 6-9 months for last phase. Construction of the first phase is expected to begin upon USR approval, with restoration of the site and final clean-up being initiated ®CURET0N MIDSTREAM Hookside Project c,1 pantie after completion of construction activities. The construction schedule for future phases will be communicated to Weld County as each design phase is initiated. 2.2.12 USR Map Per the Weld County USR Procedural Guide Checklist, a Vicinity Map as well as a Site Plan and Plot Plan that comply with the USR Map Requirements are included in Appendix B. 2.3 Building This section presents information on the structures proposed for this Project. A Sign Plan for all signs will be submitted to the Department of Planning Services during the USR process. 2.3.1 Existing and Proposed Structures There are no existing structures on the Project site. The gas plant will have one control room building totaling 2,500 square feet, and six separate power distribution center (PDC) buildings (three totaling 2,560 square feet each, one totaling 1,280 square feet, one totaling 1,920 square feet, and one totaling 540 square feet). There will also be seven compressor buildings (one totaling 7,200 square feet, one totaling 5,400 square feet, one totaling 3,600 square feet, one totaling 2,430 square feet, one totaling 1,620 square feet, and two totaling 3,240 square feet each). The inlet compressor station will have one PDC building totaling 540 square feet, and one compressor building totaling 6,800 square feet. Building permits may be required for this Project. If so, a complete code analysis prepared by a registered design professional will be submitted with the application(s) along with proof of Fire District notification and approval. 2.4 Traffic The following sections describe the anticipated vehicle roundtrips per day for the Project site, travel routes and distribution for site traffic, traffic volumes, and the proposed site access locations. Appendix C contains a traffic assessment prepared by a Professional Traffic Operations Engineer (PTOE). V, CURET0N MIDSTREAM 2.4.1 Vehicle Roundtrips per Day Hookside Project During construction of the Hookside facility, semi -tractor trailers will be used to haul equipment and materials to the site. Additionally, passenger cars/trucks will be used to transport site workers and construction management personnel. Following construction of the facility and during normal operation, the following vehicles are anticipated to access the site at full build out: • Passenger cars/pickups (approximately 14-23 round trips per day). • Tanker trucks/tandem trucks (approximately 10-15 round trips per day). 2.4.2 Travel Routes for Site Traffic Traffic will access the site mainly from the east on WCR 100 from WCR 390. Secondary access is expected from the west on WCR 100, and from the south on WCR 95. Haul routes as well as employee travel routes will use WCR 100. Travel to the west would be on WCR 100 to WCR 89, then south to SH 14. Travel to the east would be on WCR 100 to WCR 390, then south to SH 14 on WCR 105. 2.4.3 Travel Distribution along the Routes The travel distribution along the travel routes described in Section 2.4.3 is anticipated to be 60 percent from the east and 40 percent from the west during both construction and operations. 2.4.4 Traffic Volumes At full build out, there will be 8 to 14 operators on site for the day shift and 5 to 9 personnel on site for the day shift. 2.4.5 Site Access Location Cureton will seek two access permits to access the Project site from WCR 100 (i.e., one for the gas plant entrance and one for the truck entrance) during the USR process and will submit a copy of the permits to the Department of Planning Services. No agreement with adjacent landowners will be necessary. Refer to Section 3.4.1 for details regarding the access permit. The access points will be approximately 724 feet and 1,329 feet west of the intersection of WCR 99. Site distance from the driveway to the east and west along WCR 100 will be greater than 1,000 feet. Both WCR 100 and WCR 99 are classified as local streets under the Weld County Transportation Plan. Intersection spacing for local roads under the Weld County Code is a minimum of 300 feet. WCR 100 and WCR 99 are gravel surfaces and rest on 60 feet of right-of-way (ROW). \V7 CURET0N MIDSTREAM 2.5 Drainage Hookside Project The following section describes the drainage design and detention pond for the Project site. 2.5.1 Drainage Design A stormwater detention pond will be required for this Project site. The drainage report and design of the stormwater detention pond will follow all requirements of the stormwater drainage code in Chapter 23, Article 12 of the Storm Drainage Criteria. The detention pond will be designed following the above code and Urban Drainage Flood Control District (UDFCD) criteria for a Non - Urbanizing Drainage Area. Such areas generally require detention of runoff from the 1 -hour, 100 - year, storm falling on the developed site and release of the detained water at the historic runoff rate of the 1 -hour, 10 -year storm falling on the undeveloped site. Cureton will maintain the historic drainage flows and run-off amounts that exist from the property. A Preliminary Drainage Report is included as Appendix D. A Final Drainage Report and Detention Pond design will be submitted to the Department of Planning Services during the USR process after Project design progresses. The Drainage Report will include a Certification of Compliance, stamped and signed by a Professional Engineer, and meet the requirements of Weld County's Drainage Report Review Checklist. A Weld County Grading Permit will be required and obtained since the proposed disturbance for the Project is more than 1 acre. Cureton will apply for the Grading Permit after the planning process is complete/map recorded. 2.6 Environmental Health The following sections present information on environmental health considerations. 2.6.1 Drinking Water Source A water well will need to be installed at the facility to provide post -construction water. Cureton will apply for a water well permit with the Colorado Division of Water Resources (DWR) to drill a new commercial water well to supply potable water at the plant post construction. This permit will be applied for during the USR process, after the parcel is deeded so the legal description can be included with the application. The water well permit, once obtained, will be submitted to the Department of Planning Services. The Water Supply Information Summary Form is included as Appendix E. ®CURET0N MIDSTREAM 2.6.2 Sewage Disposal System Hookside Project A new septic system is proposed to be constructed on site as one does not exist today, and will be the source of sanitary on the Project site. The septic system will be designed to meet Weld County Code. 2.6.3 Storage Storage occurrence and fuel storage for the Project are discussed in the following subsections. 2.6.3.1 Storage Occurrence The majority of storage will be located in the control room building. The materials that are expected to be stored for a Plant of this type, include, but are not limited to: • Heat transfer oil • Lube oil • Methanol • Ethylene glycol • Grease All chemicals/oils will be stored and handled per the guidance contained on the respective Safety Data Sheets (SDSs). Liquid wastes will be temporarily stored in a container approved for such waste. Any solid wastes (e.g., used oil filters) will also be temporarily stored in containers approved for such waste. Clean Harbors (cleanharbors.com) or a similar third -party waste recycling/disposal service will be used to recycle or dispose of chemical/oil wastes as required by Federal and State regulations. Appendix F contains Cureton's Waste Management Plan. During construction, Conex containers will be needed for contractor construction materials and equipment storage. Up to 10 of these containers for all phase of construction are estimated to be needed. On -site contractors will also require construction trailers with six of these expected to be required at the peak of construction. Such trailers will be temporary and will be removed after construction is complete. 2.6.3.2 Fuel Storage Fuel will not be stored on the Project site in quantities greater than 5 gallons. ®CURETON MIDSTREAM Hooksde Project 2.6.4 Vehicle Washing No vehicle washing is proposed for this Project site so this section is not applicable. 2.6.5 Floor Drains Floor drains are not proposed for this Project site so this section is not applicable. 2.6.6 Air Quality The Hookside facility is located in an attainment area regulated by the Colorado Department of Public Health and Environment (CDPHE), Air Pollution Control Division (APCD) with respect to air quality permitting. The proposed plant will be authorized under a combination of construction permits and general construction permits, as allowed under Colorado Regulation No. 3, Part B. The application for the proposed plant is underway. A copy of the final permit will be provided to the Weld County Department of Public Health and Environment when available. The proposed facility will be a synthetic minor facility with respect to Prevention of Significant Deterioration (PSD). Proposed emission sources will include three amine plants, several hot oil heaters, condensate storage tanks, NGL storage tanks, gas driven compressor engines, and various ancillary equipment. Once permits are issued (or general construction permit registrations submitted), Cureton can commence construction on the Plant. 2.6.1 Operations Plan A Design and Operations Plan is not applicable to this Project as it is not of a composting, landfill, etc. nature. 2.6.8 Nuisance Management Plan A Nuisance Management Plan is not applicable to this Project as it is not of a dairy, feedlot, etc. nature. ®CURET0N MIDSTREAM 3.0 COMPREHENSIVE SURFACE IMPACT PLAN Hookside Project LLO The Comprehensive Surface Impact Plan is a crucial consideration in the development and operation of the Plant. Cureton has taken steps and outlined future steps to assess and address potential impacts to the land, environment, and neighboring residents. Cureton has engaged consultants that provide expertise in air, natural resources, traffic, noise, reclamation, surface disturbance, drainage design, and community outreach in planning this Project. The goal of the Comprehensive Surface Impact Plan is to develop an inclusive approach to assessing and addressing impacts of the proposed plant by engaging Weld County, referral agencies, emergency response personnel, neighboring residents, and other Project stakeholders, resource experts, and licensed engineers in the Project. Cureton's plan provides an educational and informational platform to Project stakeholders and community through a robust Communications Plan. 3.1 Communications Plan Cureton is committed to engaging with Weld County officials, surrounding landowners, Project stakeholders, emergency response personnel, and referral agencies regarding the Project. Cureton is/will seek input on the Project through one-on-one meetings and a larger community meeting. The open communication being initiated now will continue through the USR Permit approval process, during construction, and throughout operation of the Plant. A Communications Plan will be submitted to the Department of Planning Services after consultation with area property owners. The Communications Plan will outline community meetings with area property owners, as well as an on-line communication process for the Project. Weld County will be provided permission to monitor and otherwise to be party to that Communication Plan. The Communications Plan will be developed in accordance with the best practices and accepted methods utilized by many segments of the oil and gas industry and consider the public guidelines set forth by the Federal Energy Regulatory Commission (FERC) in the document titled "Suggested Best Practices for Industry Outreach Programs to Stakeholders," released July 2015. The purpose of the Communications Plan will be to identify key stakeholders and any concerns related to the Project, to identify and establish appropriate and effective methods of communication with stakeholders, document the public consultation process, and adhere to approved and appropriate communication protocols. Cureton is committed to seeking early and ongoing public involvement with the Project. Cureton believes a collaborative ®CURET0N MIDSTREAM Hookside Project communication approach will lead to a Project design that will minimize the effect to landowners, the community, and the environment. 3.2 Chain of Title Guarantees Per the USR Application Requirements Checklist, Cureton enlisted Heritage Title Company to obtain a Chain of Title Guarantees. Cureton understands Weld County will waive the Certificate of Conveyances in lieu of this document. The Chain of Title Guarantees and all attachments is included in Appendix G. 3.3 Surrounding Property Owner List Per the USR Application Requirements Checklist, Cureton compiled a list of all surrounding property owners (surface estate) within 500 feet of the property under consideration. The list was compiled utilizing the records of the Weld County Assessor. The list and affidavit stating that the list is accurate is provided in Appendix H. 3.4 Construction The following subsections present information that pertains to the construction of the Project. 3.4.1 Access Permits Cureton will apply for two Access Permits for access points on WCR 100 during the first phase of the Project per Chapter 12, Article 5, Section 12-5-3. There is not an existing access point to the Project site. The access points will be approximately 724 feet and 1,329 feet west from the intersection of WCR 99. The design of Cureton's Project site meets the minimum spacing criteria between accesses and intersections (i.e., 330 feet), as well as access width (24-36 feet) and access radii (60 feet minimum). 3.4.2 Water Quality Stormwater discharges associated with construction activities directly related to oil and gas exploration, production, processing, and treatment operations or transmission facilities are regulated under Colorado Discharge Permit System (CDPS) Regulations (5 Colorado Code of Regulations [CCR] 1002-61). Construction activities that will disturb one or more acre require coverage under the CDPS General Permit for Storm Water Discharges Associated with Construction Activities (Permit No. COR-030000). On November 1, 2018, CDPHE issued a new General Permit for Stormwater Discharges Associated with Construction Activities—COR400000, V CURET0N MIDSTREAM Hookside Project -ion! LLC but the 2018 General Construction Permit does not take effect until April 1, 2019, replacing the current general permit that has been in place since 2007. As such, this Project will fall under the existing permit, Permit No. COR-030000. Cureton is developing a Stormwater Management Plan (SWMP) in accordance with the current regulation and permit and will then apply for a Stormwater Discharge Permit for Construction Activities through the Water Quality Control Division of CPDHE. The SWMP and Discharge Permit will be provided to the Weld County Department of Public Health and Environment upon approval. 3.4.3 Natural Resources Analysis Cureton partnered with Olsson to conduct a desktop review and survey of the 160 -acre Project site for wetlands and waters of the U.S., 100 -year floodplains, regulated and protected species, sensitive habitats, noxious weeds, wildlife management and special recreation areas, and social resource considerations. Additionally, AK Pioneer Consulting, LLC (AKPC) was contracted to perform a desktop review of cultural resources. The complete environmental assessment completed for the Project site, including the cultural resources assessment, are presented in Appendix I, along with the Phase I Environmental Site Assessment (ESA) Report summarizing the results of Olsson's Phase I ESA survey. 3.4.3.1 Environmental Findings On December 12, 2018, Olsson completed a desktop review of environmental considerations for the Project and visited the Project site to complete an environmental survey. The following resources were evaluated: • Waters of the United States (WOUS) and Soils; • Federal Emergency Management Agency (FEMA) 100 -year floodplains in Weld County; • Regulated species listed by the Federal Endangered Species Act (ESA) for Weld County and by the Colorado Oil and Gas Conservation Commission (COGCC) for Restricted Surface Occupancy (RSO) and Sensitive Wildlife Habitat (SWH); and • Wildlife Management and Special Recreation Areas. The results of Olsson's environmental assessment are presented in the technical memorandum included in Appendix I. In summary, a topographic map review indicated the Project area is relatively flat, sloping southwest, with an associated water feature at the southwest corner of the site. The National Wetland Inventory (NWI) data depict one wetland within the Project area (see Figure 1 of that technical memorandum). During Olsson's wetland delineation, no hydric soils were found within the NWI mapped wetland area (see Attachment A of that technical ®CURET0N MIDSTREAM Hookside Project memorandum). However, evidence of ponding and a change in vegetation in the area indicate that the NWI mapped wetland does exist. Cureton's Project design avoids this wetland. This supports Weld County's Wildlife Policy 2.3, "destruction of wetlands or riparian areas will be strongly discouraged..." (Weld County Code Ordinance 2002-6; Weld County Code Ordinance 2008-13). The Project area is not located within the FEMA 100 -year flood zone and, as such, would not require a Weld County Floodplain Development Permit. Four soil types were identified through the Natural Resource Conservation Service (NRCS) search within the Project area (Figure 1 of that technical memorandum): Manzanola clay loam, 0 to 3 percent slopes; Nunn loam, 0 to 6 percent slopes; Olney fine sandy loam, 0 to 6 percent slopes; and Playas. Playas is listed in the National Hydric Soils List. The presence of Playas in the Project area corresponds with the NWI mapped wetland and those soil considerations were considered in the design of the Project; Playas are avoided through Cureton's design. A total of eight federally listed threatened or endangered species are listed for Weld County, Colorado (see Attachment B of that technical memorandum). No threatened and endangered species are expected to occur within the Project area due to the lack of suitable habitat. During Olsson's site visit, unoccupied small mammal burrow holes were observed and mapped (see Figure 3 of that technical memorandum). Small mammal burrows provide potential habitat for burrowing owls, which are listed as state threatened. Colorado Parks and Wildlife (CPW) recommends a 150 -foot buffer around active burrowing owl nests from March 15 through October 31. If construction is scheduled to occur within this time period, Cureton will have a burrowing owl nest survey completed one week prior to construction. In addition, Cureton will conduct a nest survey for any active nests one week prior to construction to comply with the Migratory Bird Treaty Act (MBTA) if construction is scheduled to occur during the nesting season (i.e., March 15 through July 15). No noxious weeds were observed within the Project sit during Olsson's survey. The Project site is within mapped Non -National Forest system lands within the National Forest Inholdings, but does not lie within protected grasslands managed by the United States Forest Service (USFS). This was confirmed with Vernon (Vern) Koehler, District Minerals and Lands Staff, USFS, Pawnee National Grasslands, on December 10 and 12, 2018. On December 14, 2018, Jennifer Whiteside, Realty Specialist, Bureau of Land Management (BLM), Colorado State Office, confirmed that there is not a federal nexus on Cureton's 160 -acre Project site. For records of these conversations and e-mail, see Attachment D of the environmental assessment technical memorandum. Protected grasslands lie directly north and southwest of the Project site (Figure 4). Cureton will avoid direct impacts to the Pawnee National Grasslands (i.e., no ground disturbance VF CURET0N MIDSTREAM Hoo<sdde Project will occur outside of the Project site). And, based on the design of the Project, no indirect effects to the Pawnee National Grasslands are anticipated. The proposed Project site falls within the Larimer and Weld Game Management Unit (GMU). CPW specifies areas and times for which certain wildlife species may be taken in the GMU. No hunting will be permitted on the Project site. Additionally, Olsson has noted that the Project site is not near a fault zone, is not in a liquification zone, and the landslide susceptibility on the Project site is considered "low incidence." In addition to the environmental assessment performed for this Project, Olsson completed a Phase I ESA survey and report. That complete report is also included in Appendix I. The Phase I ESA did not identify any findings which in Olsson's opinion would be considered recognized environmental conditions, historical recognized environmental conditions, controlled recognized environmental conditions, or de minimis conditions. 3.4.3.2 Cultural Findings AKPC completed a desktop diligence study to identify cultural resources within 0.5 miles of the proposed Project site. The evaluation included a search of site files, records, technical reports, and map files from the Office of Archaeology and Historic Preservation (OAHP) on-line database, listings on the National Register of Historic Properties, state and national historic landmarks, aerial photographs, historic General Lands Office plat maps, historic U.S. Geological Survey topographic maps, historical markers, cemeteries, and Natural Resource Conservation Service Web Soil Survey data. Four previous inventories have been completed, with four archaeological sites and nine isolated finds having been identified within 0.5 miles of the Project site. Per Article V, Section 22-5-120.F, Natural Resource (NR) Goal 6 of Weld County's Comprehensive Plan, Weld County supports efforts to record and preserve archeological, cultural and historic resources. Cultural inventory is not required for projects developed on private land with no federal nexus. Therefore, to support Weld County's goal referenced above, AKPC recommended the development of an Inadvertent Discovery Plan to outline the process and procedures for unanticipated resources (i.e., human remains, pre -historic and historic artifacts and features, and fossils) discovered during construction. Cureton engaged AKPC to develop an Inadvertent Discovery Plan for the Project. The Inadvertent Discovery Plan (included as Attachment A to the cultural report presented in Appendix I) supports Weld County's NR Policy 6.2 (i.e., develop standards for recognizing or preserving archeological resources that may be discovered during construction) and will be adhered to by Cureton during construction of the Plant. CURETON MIDSTREAM 3.4.4 Traffic Hookslde Project Cureton Front Range. LL_. As reported in Section 2.4.1 of this application, following construction of the facility, during normal operation, approximately 10-12 round trips per day by passenger cars/pickups and approximately 10-15 round trips per day by tanker trucks/tandem trucks are anticipated to occur. Cureton has included a Traffic Narrative as Appendix C to this report. Considering the Weld County Code for auxiliary lanes, the Project will not trigger any of the auxiliary lane requirements. The low level of traffic generated by the site, the low volumes of existing traffic, and the undeveloped nature of the surrounding area all factor into minimal, if any, traffic impacts associated with the development proposal. Cureton understands the traffic requirements for this Project will be evaluated by Weld County Public Works staff during their review of this USR Permit Application, and that Public Works will communicate if an Improvements and Road Maintenance Agreement for dust control and repair to County roads damaged by use is required. 3.4.5 Dust Abatement Cureton will attempt to confine fugitive dust on the property. Uses on the property will comply with the Colorado Air Quality Commission's air quality regulations. During peak phases of construction activities, Cureton will use or contract to use water trucks along WCR 100 and WCR 99 for dust suppression and to limit fugitive particulate emissions. Erosion and sediment controls will be maintained during construction to mitigate soil erosion and sedimentation in accordance with the SWMP. The disturbed areas of the site will be stabilized via hardscaping (i.e., gravel) as soon as possible following construction to avoid soil exposure. Dust control will be utilized on ingress and egress locations of the Project site. The interior areas of the Plant site will be compacted and stabilized with gravel. If conditions deem on -going dust suppression to be necessary, Cureton will develop an on -going dust suppression program for the Project site. 3.5 Operations The following subsections describe the noise setting of the Project site. 3.5.1 Noise Evaluation and Abatement Plan Cureton obtained Behrens and Associates Environmental Noise Control, Inc. (BAENC) to collect ambient sound data. BAENC's work has and will be performed in accordance with the Colorado Revised Statute (CRS) 25-12-103 noise codes. Noise sensitive areas (NSA) were identified per the applicable code and included in the acoustical work. The noise assessment described in this section addresses the requirements of CRS 25-12-103, and supports the guidelines set forth in Section 22-4-60 as well as Weld County ordinance 2002-6 and 2008-13. V CURETON MIDSTREAM 3.5.1.1 Ambient Sound Level Survey Hookside Project BAENC performed an ambient sound level survey near the proposed Project in Weld County, Colorado, from Friday, December 7, to Monday, December 10, 2018, to measure and document the ambient sound levels near the Project site. On December 12, 2018, an Ambient Sound Level Report was prepared. An ambient sound level survey is an investigative tool that was used to measure and document the "baseline" or ambient sound levels present at the proposed Project location prior to the installation and operation of the proposed Project. The instrumentation used for each monitoring location was Svantek Model 971 integrating and logging sound level meters, that were calibrated before deployment. The meters were deployed approximately 4 feet above ground per CRS standards. An anemometer was deployed to measure wind speed data during the sound level survey. Sound level data collected when winds were greater than 5 miles per hour were deemed invalid per CRS standards. The Ambient Sound Level Report is included as Appendix J. Having ambient data available is beneficial during permitting to help establish the best design limits for the Project. The results of the Ambient Sound Level Report indicate that the current ambient sound levels for the proposed Project area are in compliance with the Residential daytime and nighttime code limits. Concurrent with the progression of the Project design and following Cureton's submittal of the USR Permit Application, BAENC will perform the noise modeling and additional reporting described in the next section. 3.5.1.2 Noise Impact Assessment Acoustical modeling software will be used to generate a site -specific model of the proposed operational activities for the Project. These operational activities will include normal day-to-day operation of the proposed facility including compressors, coolers, etc. The model will be developed with SoundPLAN 8.0 software using the International Organization for Standardization (ISO) 9613-2 standard, which is a method for calculating the attenuation of sound during propagation outdoors in order to predict the levels of environmental noise at a distance from a variety of sources. Noise levels will be predicted based on the locations, noise levels, and frequency spectra of the noise sources, and the geometry and reflective properties of the local terrain, buildings, and barriers. The results of the site -specific noise impact model and associated report will be submitted to Weld County's Department of Planning Services. V GURETON MIDSTREAM 3.5.1.3 Noise Mitigation Plan, if needed Hookside Project Cureton will develop a noise mitigation plan based upon the site -specific noise impact modeling to meet the required noise limits set forth by Weld County and submit that to Weld County's Department of Planning Services. 3.5.2 Lighting Cureton and Samuel Engineering, the firm supporting Cureton in the design of the Hookside Plant, are developing a Lighting Plan for the Project site. The Lighting Plan will consider safe work practices for employees of the Plant as well as the impact of lighting on adjacent homes and landowners. Lighting on the Project site will be down casted and shielded to contain/minimize the light footprint to the area required to safely conduct work. All lights will be turned off during nighttime hours, except for walkways and as required by emergency maintenance, maintenance requiring a plant -wide shut down, and as other emergencies demand. The Lighting Plan will be finalized and submitted with applicable building and Project site design plans to Weld County's Department of Planning Services. 3.5.3 Waste Management Waste materials at the Project site will be handled, stored, and disposed in a manner that controls blowing debris and other potential nuisance conditions. Cureton will operate in accordance with Chapter 14, Article 1 of the Weld County Code. A Waste Management Plan is provided as Appendix F. Cureton's Waste Management Plan contains general guidelines for waste management practices at all Cureton-owned facilities. 3.5.4 Air Quality Within 180 days of Plant startup, Cureton will be required to self -certify that it is in compliance with all conditions of the construction permit prior to obtaining Final Approval. Upon startup of the Plant, Cureton will comply with all conditions of the permit including periodic monitoring and operating and maintenance plans as specified by the construction permits and general construction permits. 3.5.5 Spill Prevention, Control, and Countermeasure Plan Per 40 CFR Part 112, oil and gas sites with a total above ground oil storage capacity of 1,320 gallons or more, or that could reasonably be expected to discharge oil to navigable waters or adjoining shorelines in quantities that could be harmful must develop a Spill Prevention, Control and Countermeasure (SPCC) Plan within 6 months of startup of the facility. The Plant is anticipated to exceed the 1,320 -gallon threshold cited in 40 CFR Part 112 and will develop an ®CURET0N MIDSTREAM kside Project SPCC Plan for the facility to be stamped by a Professional Engineer licensed in the State of Colorado. 3.5.6 Emergency Response Planning Cureton will develop an Emergency Action and Safety Plan with the Office of Emergency Management and the Briggsdale or Pawnee Fire Protection District. The Emergency Action and Safety Plan will be reviewed on an annual basis by the facility operator, the Fire Protection District, and the Weld County Office of Emergency Management. The plan will include notification to area property owners. Evidence of acceptance of the Emergency Action and Safety Plan by the Fire Protection District will be submitted to the Department of Planning Services. Cureton's early emergency response planning for the Project has revealed that the Project site falls in the Pawnee Fire Protection District (a volunteer fire station). Cureton will coordinate with that District regarding the Project and will engage the Briggsdale Fire Protection District if appropriate. The two fire stations closest to the Project site are the Pawnee Fire Department and Briggsdale Fire Department, each located approximately 15-16 miles from the Project site. The two nearest hospitals are the North Colorado Medical Center and Colorado Plains Medical Center located approximately 45-47 miles away in Greeley and Fort Morgan, respectively. The three nearest police/sheriff offices are located between approximately 39-42 miles from the Project site and include the Kersey Police Department, Ault Police Department, and Easton Police Department. ral CURETON MIDSTREAM 4.0 CONCLUSION Hookside Project LLB Cureton is in the process of expanding its operations in Weld County, Colorado. Cureton is proposing a compressor station, and a gas processing plant, and interconnecting pipelines for the purpose of processing and the transportation of raw natural gas through gas pipelines. This USR Permit application and associated documentation was provided to obtain a permit for the construction of three cryogenic plant trains: (1) a 20- MMscfd train, (2) a 60-MMscfd train, and (3) a 200-MMscfd train, and a 60-MMscfd compressor station. Additional USR Permit applications will be submitted for any future plants, compressor stations, pipelines, or other facilities. Cureton appreciates Weld County's consideration of this USR Permit request and believes all application requirements listed on the USR Procedural Guide Checklist have been addressed in its application package. Document must be filed electronically. Paper documents are not accepted. Fees & forms are subject to change. For more information or to print copies of filed documents, visit www.sos.state.co.us. Colorado Secretary of State Date and Time: 07/18/2017 01:42 PM ID Number: 20171539368 Document number: 20171539368 Amount Paid: $100.00 ABOVE SPACE FOR OFFICE USE ONLY Statement of Foreign Entity Authority filed pursuant to § 7-90-803 of the Colorado Revised Statutes (C.R.S.) 1. The entity ID number, the entity name, and the true name, if different, are Entity ID number 20171539368 (Colorado Secretary of State ID number) Entity name Cureton Front Range LLC True name (if different from the entity name) 2. The form of entity and the jurisdiction under the law of which the entity is formed are Form of entity Foreign Limited Liability Company Jurisdiction Delaware 3. The principal office address of the entity's principal office is Street address 2021 McKinney Avenue, Suite 1250 Mailing address (leave blank if same as street address) (Street number and name) Dallas (City) (Province — if applicable) TX 75201 (State) (ZIP/Postal Code) United States (Country) (Street number and name or Post Office Box information) (City) (State) (ZIP/Postal Code) (Province — if applicable) (Country) 4. The registered agent name and registered agent address of the entity's registered agent are Name (if an individual) or (if an entity) The Corporation Company (Caution: Do not provide both an individual and an entity name.) AUTHORITY (Middle) (Suffix) Page 1 of3 Rev. 12/01/2011 (First) (Last) Street address 7700 E ARAPAHOE RD STE 220 (Street number and name) CENTENNIAL CO 80112-1268 Mailing address (leave blank i ( same as street address) (Street number and name or Post Office Box information) (City) (State) (ZIP Code) (City) CO (State) (The following statement is adopted by marking the box.) ❑✓ The person appointed as registered agent above has consented to being so appointed. (ZIP Code) 5. The date the entity commenced or expects to commence transacting business or conducting activities in Colorado is 07/20/2017 (mm/dd/yyyy) 6. (If applicable. adopt the following statement by marking the box and include an attachment.) ❑ This document contains additional information as provided by law. 7. (Caution: Leave blank if the document does not have a delayed effective date. Stating a delayed effective date has significant legal consequences. Read instructions before entering a date.) (lf the following statement applies, adopt the statement by entering a date and, if applicable, time using the required format.) The delayed effective date and, if applicable, time of this document is/are (mm/dd/yyyy hour:minute am/pm) Notice: Causing this document to be delivered to the Secretary of State for filing shall constitute the affirmation or acknowledgment of each individual causing such delivery, under penalties of perjury, that the document is the individual's act and deed, or that the individual in good faith believes the document is the act and deed of the person on whose behalf the individual is causing the document to be delivered for filing, taken in conformity with the requirements of part 3 of article 90 of title 7, C.R.S., the constituent documents, and the organic statutes, and that the individual in good faith believes the facts stated in the document are true and the document complies with the requirements of that Part, the constituent documents, and the organic statutes. This perjury notice applies to each individual who causes this document to be delivered to the Secretary of State, whether or not such individual is named in the document as one who has caused it to be delivered. 8. The true name and mailing address of the individual causing the document to be delivered for filing are Vanlandingham Brooks (Last) (First) 600 Travis Street, Suite 2800 (Middle) (Suffix) (Street number and name or Post Office Box information) Houston TX 77002 (City) (State) (ZIP/Postal Code) United States . (Province — if applicable) (Country) (If the following statement applies, adopt the statement by marking the box and include an attachment.) ❑ This document contains the true name and mailing address of one or more additional individuals causing the document to be delivered for filing. AUTHORITY Page 2 of 3 Rev 12/01/2011 Disclaimer: This form/cover sheet, and any related instructions, are not intended to provide legal, business or tax advice, and are furnished without representation or warranty. While this form/cover sheet is believed to satisfy minimum legal requirements as of its revision date, compliance with applicable law, as the same may be amended from time to time, remains the responsibility of the user of this form/cover sheet. Questions should be addressed to the user's legal, business or tax advisor(s). AUTHORITY Page 3 of 3 Rev 12/01/2011 Delaware The First State I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF FORMATION OF "CURETON FRONT RANGE LLC", FILED IN THIS OFFICE ON THE FOURr NTH DAY OF JULY, A.D. 2017, AT 6:53 O'CLOCK P.M. 6478787 8100 SR# 20175250125 You may verify this certificate online at corp.delaware.gov/authver.shtml Page 1 Authentication: 202892634 Date: 07-17-17 CERTIFICATE OF FORMATION OF CURETON FRONT RANGE LLC I, the undersigned natural person of the age of eighteen years or more, acting as an authorized person of a limited liability company under the Delaware Limited Liability Company Act, as amended, do hereby submit the following Certificate of Formation for such limited liability company: 1. The name of the limited liability company is Cureton Front Range LLC. 2. The address of the limited liability company's initial registered agent in the State of Delaware is Corporation Trust Center, 1209 Orange Street, City of Wilmington, County of New Castle, Delaware 19801. The name of its registered agent at such address is The Corporation Trust Company. IN WITNESS WHEREOF, I have hereunto set my hand this 14th day of July, 2017. /s/ Brooks Vanlandingham Brooks Vanlandingham, Authorized Person HOU:0027586/00007.1908384v 1 State of Delaware Secretary of State Division of Corporations Delivered 06:53 PM 07,/14/2017 FILED 06:53 PM 07/14x2017 SR 20175250125 - File Number 6478787 Samuel Engineering we PruWda Soluti ns 8450 E. Crescent Parkway, Suite 200 Phone: 303-714-4840 Greenwood Village, Colorado 80111 DRAINAGE REPORT (PRELIMINARY) CE -201 PREPARED FOR: Cureton Midstream, LLC Hookside Cryogenic Gas Plant Project Number 18189 Fax: 303-714-4800 The Hookside Cryogenic Gas Plant is located in the southeast quarter of Section 30, Township 9 North, Range 60 West, 6th Principal Meridian, Weld County, Colorado PREPARED BY: SAMUEL ENGINEERING, INC. 8450 EAST CRESCENT PARKWAY, SUITE 200 GREENWOOD VILLAGE, CO 80111 ISSUED FOR PERMIT Revision A Engineering ♦ Project Controls ♦ Estimating ♦ Construction Management Samuel Engineering We Provide a 8450 E. Crescent Parkway, Suite 200 Phone: 303-714-4840 Greenwood Village, Colorado 80111 Fax: 303-714-4800 Originator/Lead Engineer: Project Engineer Approval: Project Manager Approval: Client Approval: RECORD OF REVISIONS Michael Cloud Brandon Primeaux Cole Ones Date: Date: Date: Date: 12/28/18 12/28/18 12/28/18 Rev. No. By Revisions Approval Date A M. Cloud Issued for Permit — Preliminary MTC 12/28/18 Current Working Revision Rev. A Date 12/28/18 Engineering ♦ Project Controls ♦ Estimating ♦ Construction Management Samuel Engineering kW Provide Solutions 8450 E. Crescent Parkway, Suite 200 Phone: 303-714-4840 Greenwood Village, Colorado 80111 Fax: 303-714-4800 CERTIFICATION OF COMPLIANCE ENGINEERING DESIGNED TO WELD COUNTY CODE STANDARDS AND CRITERIA CURETON MIDSTREAM, LLC — HOOKSIDE CRYOGENIC GAS PLANT I, Michael Cloud, Consultant Engineer for Cureton Midstream, LLC ("Applicant"), understand and acknowledge that Applicant is seeking to develop the property described in the following Drainage Report. I have designed or reviewed the design ("Design") for the proposed land use set forth in the Application. I hereby certify, on behalf of Applicant that the Design will meet all applicable drainage requirements of the Weld County Code with the exception of variance(s) described below. This certification is not a guar . my either expressed or implied. (Engineer's Stamp) ZA SR Pfi.MYT FOP- APPLtG.4110 - Engineer of Record Signature VARIANCE REQUEST 1) Describe the Weld County Code criteria of which a variance is being requested. 2) Describe why it is not possible to meet the Weld County Code. 3) Describe the proposed alternative with engineering rational which supports the intent of the Weld County Code. None I understand and agree that the intention of the Code is to reduce impacts of development on neighboring downstream properties and the public. I understand if this variance is approved it is not precedent setting and is based on site specific constraints. Planning Director Approval indicated when signed by director or appointee: Planning Director Name Signature Date of Approval 5:\Projects\ 18184_Hookside_PreFEED\ Engineering \ Civil \ Reports \Drainage Report\Preliminary - IFP\Cureton Hookside Cryo Drainage Report.docx S&E Samuel Engineering Samuel Engineering wit Provide SWIM** 8450 E. Crescent Parkway, Suite 200 Phone: 303-714-4840 Greenwood Village, Colorado 80111 Fax: 303-714-4800 Table of Contents 1.0 DESCRIPTION OF PROJECT 1 2.0 CALCULATIONS 1 2.1 HYDROLOGY 1 2.1.1 Site Soils 1 2.1.2 Design Storm 2 2.1.3 Pre -Development and Overall Post -Development Site Imperviousness 2 2.1.4 Peak Flowrate Calculations 2 2.2 DETENTION POND DESIGN 3 2.2.1 Pond Volume Calculations 3 2.2.2 Pond Stage -Storage for Discharge Calculations 4 2.2.3 Pond Outlet Structure Design 4 2.3 HYDRAULICS 5 2.3.1 Culverts 5 2.3.2 Ditches 5 2.4 GRADING AND DRAINAGE DESIGN 5 3.0 POND MAINTENANCE REQUIREMENTS 5 3.1 ROUTINE MAINTENANCE 6 3.1.1 Inspections 6 3.1.2 Sediment and Debris Management 6 3.1.3 Vegetation Management 6 3.2 NON -ROUTINE MAINTENANCE 6 3.2.1 General 6 3.2.2 Facility Repairs 6 4.0 CONCLUSION 7 APPENDIX A: VICINITY MAP A-1 APPENDIX B: NRCS WEB SOIL SURVEY B-1 APPENDIX C: NOAA RAINFALL DATA C-1 APPENDIX D: AREA WEIGHTED IMPERVIOUSNESS VALUES D-1 APPENDIX E: HYDROLOGIC CALCULATIONS E-1 APPENDIX F: DETENTION BASIN VOLUME BY THE MODIFIED FAA METHOD F-1 APPENDIX G: DETENTION BASIN STAGE -STORAGE G-1 APPENDIX H: DETENTION BASIN OUTLET STRUCTURE DESIGN H-1 APPENDIX I: CULVERT DESIGN I-1 APPENDIX J: CONSTRUCTION DRAWINGS J-1 S:\Projects\ 18189_Hookside_PreFEED\Engineering\Civil\Reports\Drainage Report\Preliminary - IFP\Cureton Hookside Cryo Drainage Report.docx SE Samuel Engineering CURETON MIDSTREAM, LLC HOOKSIDE CRYOGENIC GAS PLANT PROJECT NUMBER: 18189 CE -201, REV. A DRAINAGE REPORT PAGE 1of7 1.0 DESCRIPTION OF PROJECT The subject property is a 160 -acre parcel owned by Cureton Midstream, LLC for the installation of a cryogenic gas plant as supporting facilities. The grading and drainage has been designed to facilitate a multi -phase construction sequence where the inlet compression and construction laydown areas will be constructed first, then the cryogenic gas plant in incremental follow-on phases. As such, this development includes two detention ponds. The equipment pads, access roads and detention ponds will disturb approximately 80 acres of the 160 -acre site. The project site is located on a tract of land which consists mostly of pasture land with existing pipeline right-of-ways along the south and east perimeter. Topographic relief over the property ranges from 4971' in the northeast corner of the parcel to 4932' in the southwest corner and is characterized by moderately sloping land with grades that typically range from 2.0% to 6.0%. The subject property is not part of the Weld County Master Drainage Plan. There are no open channels, lakes, streams or irrigation ditches in the proposed development. The subject property is not located in a floodplain. The surrounding area development consists of grazing land and other oil and gas facilities to the north and west and crop land to the south and east. The entire parcel drains to a natural depression (seasonal wetland) and this drainage pattern will be maintained. See Appendix A for project location and vicinity map. 2.0 CALCULATIONS 2.1 HYDROLOGY The project site drainage must be designed to meet the requirements of Weld County Code — Article XII. It has been determined that the runoff from this site is non -urbanizing and therefore the increased runoff volume must be detained in an extended detention basin and the increase peak flows attenuated to the "historic" 10 -year peak flow rate for the basin area contributing to the pond. Historic flow is defined as the existing area with an assumed imperviousness of 2.0%. The detention basin must be sized appropriately to store the runoff volume from the 100 -year 1 -hour storm. Urban Drainage and Flood Control District's (UDFCD) design manual and worksheets have been used to perform drainage calculations for this study. 2.1.1 Site Soils The characteristics of the soils on the site contribute to the amount of storm runoff. Regional soil information is obtained from the National Resource Conservation Service (NRCS) Web Soil Survey. The site soils in the area to be developed are entirely Nunn Loam with slopes of 0% to 6% classified as Hydrologic Soil Group (HSG) C. The existing regional soil information obtained from NRCS is used for all runoff calculations in undeveloped areas. See Appendix B for the regional NRCS Web Soil Survey of this site. S:\Projects\18189_Hookside_PreFEED\Engineering\Civil\Reports\Drainage Report\Preliminary - IFP\Cureton Hookside Cryo Drainage Report.docx Samuel Engineering CURETON MIDSTREAM, LLC HOOKSIDE CRYOGENIC GAS PLANT PROJECT NUMBER: 18189 CE -201, REV. A DRAINAGE REPORT PAGE 2 of 7 2.1.2 Design Storm The design storms considered for this site are the 10 -year 1 -hour and the 100 -year 1 -hour events. The rational method is used for determining peak flows and the FAA method is used for determining the runoff volume for the design storm. Both of these methods require the design storm rainfall depth as an input to perform the calculations. The rainfall depth for each design storm are: 10 -year 1 -hour = 1.50 in 100 -year 1 -hour = 2.64 in Refer to Appendix C for NOAA Atlas 14, Volume 8, Version 2 Rainfall Data. 2.1.3 Pre -Development and Overall Post -Development Site Imperviousness The existing site and surrounding areas that contribute storm runoff consist of undeveloped pasture land with no pavement or structures present so the pre -developed imperviousness is assumed to be the historical value of 2.0%. Final site development will include gas process equipment and structures such as process equipment skids, storage tanks, compressors, etc. with access roads and gravel pads as well as the detention pond surface. Because of the preliminary nature of the plant design and layout, the suggested imperviousness value for "light industrial" is used for all developed areas. The developed site in Basin PR -1 contributing to the east detention pond is entirely pad and road so the imperviousness is assumed to be 80.0%. The developed site in Basin PR -2 contributing to the west detention pond is mostly developed, with some undisturbed vegetated area so the imperviousness is assumed to be 65.0%. The runoff from these developed facility pad is diverted into the detention ponds to attenuate the flows to historic values. As design of the facility progresses, these values will be more accurately computed. The final imperviousness calculations will be included in the Final Drainage Report. See Appendix D for composite imperviousness calculations. 2.1.4 Peak Flowrate Calculations Peak flowrates at design points for each drainage basin are calculated following the UDFCD design manual and worksheets. Inputs for rational method calculations are determined from construction drawings HSGP-CE-610, Pre -Developed Drainage Basin Map and HSGP-CE-611, Developed Drainage Basin Map. Refer to Appendix J for construction drawings. The rational method calculations are developed using Urban Drainage and Flood Control District Worksheet "UD-Rational v2.00.xls". 5:\Projects\18189_Hookside_PreFEED\Engineering\Civil\Reports\Drainage Report\Preliminary - IFP\Cureton Hookside Cryo Drainage Report.docx ()Samuel Engineering CURETON MIDSTREAM, LLC HOOKSIDE CRYOGENIC GAS PLANT PROJECT NUMBER: 18189 CE -201, REV. A DRAINAGE REPORT PAGE 3 of 7 The proposed site is part of an existing drainage basin that currently drains overland to a natural depression (seasonal wetland) southwest of the site. The pre -developed major drainage basin (EX -1) will be affected by the by the development of the facility pad and all offsite flows will be routed around the site to rejoin historic flow patterns. Basin EX -1 is undeveloped and has a 10 - year runoff coefficient C10 = 0.15 and a 100 -year runoff coefficient C100 = 0.49. The resulting existing peak flows at Design Point EX -1 are Qio = 21.96 cfs and Q100= 129.66 cfs. The developed Basin PR -1 contributing to the east detention pond will include construction laydown and parking as well as the inlet compressor station for the plant. This basin has a 10 - year runoff coefficient C10 = 0.72 and a 100 -year runoff coefficient C100 = 0.81. The resulting peak flows at Design Point PR -1 are Qio = 30.75 cfs and Q100= 60.97 cfs. The resulting flows at Design Point PR -1 are the design flows contributing to the east detention pond and will be used to size the emergency overflow spillway. The developed Basin PR -2 contributing to the west detention pond will include the gravel pad for the gas plant and the electrical substation. This basin has a 10 -year runoff coefficient Cio = 0.61 and a 100 -year runoff coefficient Cioo = 0.75. The resulting peak flows at Design Point PR -2 are Q1.0= 57.33 cfs and Q100 = 124.09 cfs. The resulting flows at Design Point PR -2 are the design flows contributing to the west detention pond and will be used to size the emergency overflow spillway. The developed basins are required to drain to detention ponds, and as such, the 10 -year 1 -hour "Historic" peak flow rate (contributing area to pond with 2.0% imperviousness value) must be determined as this is the maximum allowable discharge rate from the detention ponds. The basin draining to the east detention pond (PR -1) has a contributing area of 20.16 acres and a 10 - year runoff coefficient Cio = 0.15 resulting in a peak flowrate at Design Point PR -1 of Cl(-00= 3.92 cfs. The basin draining to the west detention pond (PR -2) has a contributing area of 59.18 acres and a 10 -year runoff coefficient Cio = 0.15 resulting in a peak flowrate at Design Point PR -2 of Q-)10 = 8.87 cfs. These values are the design maximum allowable discharge rate from each detention pond. (See Appendix E, Page E-2 for Rational Method Calculations) 2.2 DETENTION POND DESIGN 2.2.1 Pond Volume Calculations The detention pond for this site is required to have capacity to store the runoff volume from the 100-yr 1 -hour storm and release at the "historic" 10 -year peak flowrate. The detention pond is designed following the recommendations of the UDFCD Urban Strom Drainage Criteria Manual (Volume 3) with ability to collect the Water Quality Capture Volume (WQCV) and discharge within 40 hours. The WQCV is determined empirically based on the contributing basin area and the imperviousness. The required WQCV for the east detention pond is 24,027 ft3 and the required WQCV for the east detention pond is 54,594 ft3 (See Appendix F, Page F-2 and F-3) s:\Projects\18189_Hookside_PreFEED\Engineering\Civil\Reports\Drainage Report\Preliminary - IFP\Cureton Hookside Cryo Drainage Report.docx faSSamuel Engineering CURETON MIDSTREAM, LLC HOOKSIDE CRYOGENIC GAS PLANT PROJECT NUMBER: 18189 CE -201, REV. A DRAINAGE REPORT PAGE 4of7 The required storage volumes for the design storms are computed using the FAA method. This method allows for a simplistic calculation of required storage volume while restricting the pond outflow to the required allowable peak flowrate. These calculations are developed using Urban Drainage and Flood Control District Worksheet "UD-Detention v2.35.xls". For the east detention pond, the required storage volume for the 10 -year design storm is 72,810 ft3 and the required storage volume for the 100 -year design storm is 179,319 ft3. (See Appendix F, Page F-4) For the west detention pond, the required storage volume for the 10 -year design storm is 173,583 ft3 and the required storage volume for the 100 -year design storm is 469,069 ft3. (See Appendix F, Page F-4) 2.2.2 Pond Stage -Storage for Discharge Calculations Following the determination of the required storage volumes for the detention pond, the pond is designed to allow for the storage of the runoff. The proposed detention pond required volume is achieved by utilizing an existing natural depression on the site. (See Appendix J for construction drawings) The stage -storage relationship is determined by calculating incremental contour areas and using the average end area method for computing volume. The key stages for storage volumes are identified to allow for discharge calculations for the pond outlet structure. At this preliminary state, the stage -storage calculation is used to determine feasibility of the detention ponds. (See Appendix G for pond stage -storage information) 2.2.3 Pond Outlet Structure Design The detention pond will discharge through a flow control structure and pond outlet pipe at the allowable "historic" peak flowrate. The outflow from the pond is controlled by orifices which are designed using steady state flow computations that account for the lowering stage of the pond as it drains. The stage at each key storage volume is input as the headwater depth on the weir to determine the required size of the weir. The details of the pond outlet structures are to be determined. Each pond will have a two -stage outlet structure. The first stage of flow control on the outlet structure is the WQCV orifice. The WQCV is intended to have a 40 -hour residence time in the detention pond. An orifice plate with several small orifices will be designed to drain the WQCV in the design time. It is intended that the runoff volumes above the WQCV and up to the 100 -year design storm outflow will be controlled by adding a restrictor plate to the structure discharge pipe, therefore the overflow weir on the outlet structure will not control the flow and no additional flow control orifices are required to be installed above the WQCV orifice plate. The 100 -year flow control orifice is sized considering the maximum headwater elevation in the pond. S:\Projects\18189_Hookside_PreFEED\Engineering\Civil\Reports\Drainage Report\Preliminary - IFP\Cureton Hookside Cryo Drainage Report.docx SE Samuuel Engineering CURETON MIDSTREAM, LLC HOOKSIDE CRYOGENIC GAS PLANT PROJECT NUMBER: 18189 CE -201, REV. A DRAINAGE REPORT PAGE 5 of 7 The flow velocity out of the pond discharge pipe should be designed to be below 3.00 ft/s to reduce potential of scour and sediment transportation from the outfall. The flow rate is controlled by the 100 -year restrictor plate and the velocity is controlled by flattening the pipe slope. The slope of each outlet pipe will be adjusted to control the flow velocity. Each pond is equipped with an emergency overflow spillway to safely pass storm water flow in excess of the design storm volume. This emergency overflow spillway is designed for the developed 100 -year peak runoff rate for each basin and must have adequate width to maintain a flow depth of less than 6" over the spillway elevation. To ensure that the detention pond does not infringe upon water rights, it must be designed to drain the full volume within 72 -hours. The discharge rate varies as the pond depth decreases and the pond outflow is controlled by two flow control stages. The 100 -year restrictor plate will be activated from the maximum water surface elevation until the pond drains to the top of the WQCV orifice plate. The WQCV orifice will be activated from when the water surface elevation drains to the top of the WQCV orifice plate and will control the flow until the pond is empty. 2.3 HYDRAULICS Due to the type of plant being constructed the site grading will have minimum slopes with the majority of onsite runoff being conveyed by sheet flow and using culverts to pass flow beneath plant roads. Ditches will be utilized direct flow to the conveyance facilities and will have shallow slopes and low velocities. Due to the preliminary nature of the design, ditch capacities and culvert sizes will be further detailed in the final drainage report. 2.3.1 Culverts Site culverts are designed to pass the 10 -year design storm peak flows and control the 100 -year design storm without damaging critical infrastructure. 2.3.2 Ditches Ditches are designed to convey the 100-yr design storm with 1 -ft of freeboard. 2.4 GRADING AND DRAINAGE DESIGN The results of this drainage study are incorporated into the project construction drawings. See Appendix J for Grading and Drainage Plans and Details (in final drainage report). 3.0 POND MAINTENANCE REQUIREMENTS The structural and functional integrity of the detention basins shall be maintained at all times by removing and preventing drainage interference, obstructions, blockages, or other adverse effects into, through, or out of the system. S:\Projects\18189_Hookside_PreFEED\Engineering\Civil\Reports\Drainage Report\Preliminary - IFP\Cureton Hookside Cryo Drainage Report.docx tSamuel Engineering �awamwrwa CURETON MIDSTREAM, LLC HOOKSIDE CRYOGENIC GAS PLANT PROJECT NUMBER: 18189 CE -201, REV. A DRAINAGE REPORT PAGE 6 of 7 3.1 ROUTINE MAINTENANCE 3.1.1 Inspections Routine inspections shall be performed a minimum of 2 times annually and after major rainfall events. 3.1.2 Sediment and Debris Management Periodic silt removal shall occur when standing water conditions occur or the pond's storage volume is reduced by more than 10%. Silt shall be removed and the pond/basin returned to original lines and grades shown on the approved engineering plans (See Appendix I). In addition, corrective measures are required any time a basin does not drain completely within 72 hours of cessation of inflow. Accumulated litter, sediment, and debris shall be removed every 6 months or as necessary to maintain proper operation of the basin. Disposal shall be in accordance with federal, state and local regulations. 3.1.3 Vegetation Management Detention facilities shall be mowed monthly between the months of April and October or anytime vegetation exceeds 12 -inches in height. 3.2 NON -ROUTINE MAINTENANCE 3.2.1 General The detention basin shall be kept free of excess trash and debris, poisonous and noxious weeds, contaminants and pollution, rodent holes, standing water harboring insects, and unwanted vegetation growth (i.e. trees). These potential defects shall be repaired or mitigated to the original state within 30 days from the date of observation. 3.2.2 Facility Repairs If upon routine inspection any signs of damage to the outlet structure, forebay, trickle channel, outlet pipe, emergency spillway, or pond embankment are observed, the feature shall be repaired to the original state within 30 days from the date of observation. S:\Projects\18189_Hookside_PreFEED\Engineering\Civil\Reports\Drainage Report\Preliminary - IFP\Cureton Hookside Cryo Drainage Report.docx SE Sa�m�uel Engineering CURETON MIDSTREAM, LLC HOOKSIDE CRYOGENIC GAS PLANT PROJECT NUMBER: 18189 CE -201, REV. A DRAINAGE REPORT PAGE 7 of 7 4.0 CONCLUSION This drainage study has been prepared in accordance with the Weld County Storm Drainage Criteria and Urban Drainage Criteria Manuals and accepted Professional Engineering Practices. The proposed drainage has been designed to convey developed flows through detention basins designed with controlled discharge rates for the minor and major storms. The flows then travel through established drainage ways in a manner consistent with the predevelopment drainage patterns. With a properly constructed and maintained pond along with the proposed erosion control measures this development will not adversely impact the existing drainage or existing downstream developments. S:\Projects\18189_Hookside_PreFEED\Engineering\Civil\Reports\Drainage Report\Preliminary - IFP\Cureton Hookside Cryo Drainage Report.docx 3E Samuel Engineering Appendix A: Vicinity Map SECTION 24 SECTION 19 SECTION 20 SECTION 25 S TE SECTION T09R60W 30 6TH PM 1 SECTION 29 (TN rn cc U SECTION 36 VICINITY WCR 100 MAP SECTION 32 I SCALE 1" _ X2000' A-2 pen ix t-,® a RCS �; _. S i Sur 104° 9'18'W 571500 A 571800 572100 Hydrologic Soil Group —Weld County, Colorado, Northern Part (Cureton Hookside Cryo Plant) 572400 Map Sale: 1:15,100 if printed on A landscape (11" x 8.5") sheet. 200 400 brz 800 Meters 1200 Feet 0 500 1000 20(X) 3000 Map pmjection: Web Mercator Comet' oocrdinates: WGS84 Edge tics: UfM Zone 13N WGS84 usDA Natural Resources a Conservation Service 5/31UU Web Soil Survey National Cooperative Soil Survey 574200 to g 574500 'o 12/24/2018 Page 1 of 4 40° 42' 35" N Hydrologic Soil Group —Weld County, Colorado, Northern Part (Cureton Hookside Cryo Plant) Area of Interest (AOl) L MAP LEGEND Area of Interest (AOl) Soils Soil Rating Polygons A • II S ND B B/D C CID D Not rated or not available Soil Rating Lines ..y A — AID B ,,y B/D — C N C/D fay Not rated or not available Soil Rating Points • • • • A A/D B B/D • • C C/D D Not rated or not available Water Features Streams and Canals Transportation Rails Interstate Highways US Routes Major Roads Local Roads Background Aerial Photography MAP INFORMATION The soil surveys that comprise your AOI were mapped at 1:24,000. Please rely on the bar scale on each map sheet for map measurements. Source of Map: Natural Resources Conservation Service Web Soil Survey URL: Coordinate System: Web Mercator (EPSG:3857) Maps from the Web Soil Survey are based on the Web Mercator projection, which preserves direction and shape but distorts distance and area. A projection that preserves area, such as the Albers equal-area conic projection, should be used if more accurate calculations of distance or area are required. This product is generated from the USDA-NRCS certified data as of the version date(s) listed below. Soil Survey Area: Weld County, Colorado, Northern Part Survey Area Data: Version 13, Sep 10, 2018 Soil map units are labeled (as space allows) for map scales 1:50,000 or larger. Date(s) aerial images were photographed: Oct 22, 2014 —Oct 2, 2017 The orthophoto or other base map on which the soil lines were compiled and digitized probably differs from the background imagery displayed on these maps. As a result, some minor shifting of map unit boundaries may be evident. usDA Natural Resources Conservation Service Web Soil Survey National Cooperative Soil Survey 12/24/2018 Page 2 of 4 Hydrologic Soil Group —Weld County. Colorado, Northern Part Cureton Hookside Cryo Plant Hydrologic Soil Group Map unit symbol Map unit name Rating Acres in AOI Percent of AOI 10 Avar-Manzanola complex, 0 to 3 percent slopes C 1 0.7% 36 I Manzanola clay loam. 0 to 3 percent slopes C 242.1 29.8% 40 Nunn loam, 0 to 6 percent slopes C 297.8 36.7% 41 Nunn clay loam, 0 to 6 percent slopes C 36.4 4.5% 44 Olney fine sandy loam, 0 to 6 percent slopes B 182.5 22.5% 61 Stoneham fine sandy loam. 0 to 6 percent slopes B 32.6 4.0% 86 Playas 13.8 1.7% Totals for Area of Interest 811.3 100.0% Natural Resources Web Soil Survey Conservation Service National Cooperative Soil Survey 12/24/2018 Page 3 of 4 Hydrologic Soil Group —Weld County, Colorado, Northern Part Cureton Hookside Cryo Plant Description Hydrologic soil groups are based on estimates of runoff potential. Soils are assigned to one of four groups according to the rate of water infiltration when the soils are not protected by vegetation, are thoroughly wet, and receive precipitation from long -duration storms. The soils in the United States are assigned to four groups (A, B, C, and D) and three dual classes (A/D, B/D, and C/D). The groups are defined as follows: Group A. Soils having a high infiltration rate (low runoff potential) when thoroughly wet. These consist mainly of deep, well drained to excessively drained sands or gravelly sands. These soils have a high rate of water transmission. Group B. Soils having a moderate infiltration rate when thoroughly wet. These consist chiefly of moderately deep or deep, moderately well drained or well drained soils that have moderately fine texture to moderately coarse texture. These soils have a moderate rate of water transmission. Group C. Soils having a slow infiltration rate when thoroughly wet. These consist chiefly of soils having a layer that impedes the downward movement of water or soils of moderately fine texture or fine texture. These soils have a slow rate of water transmission. Group D. Soils having a very slow infiltration rate (high runoff potential) when thoroughly wet. These consist chiefly of clays that have a high shrink -swell potential, soils that have a high water table, soils that have a claypan or clay layer at or near the surface, and soils that are shallow over nearly impervious material. These soils have a very slow rate of water transmission. If a soil is assigned to a dual hydrologic group (A/D, B/D, or C/D), the first letter is for drained areas and the second is for undrained areas. Only the soils that in their natural condition are in group D are assigned to dual classes. Rating Options ininililMOMObominant Condition EntitirnIMMUINNIMIL iiiMMUMMIfiigher {A5L1� Natural Resources Conservation Service Web Soil Survey 12/24/2018 National Cooperative Soil Survey Page 4 of 4 Precipitation Frequency Data Server https://hdsc.nws.noaa.gov/hdsc/pfds/pfdsj,rintpage.html?lat=40.7166&... Duration 5 -min 10 -min 15 -min 30 -min 60 -min 2 -hr 3 -hr 6 -hr 12 -hr 24 -hr 2 -day 3 -day 4 -day 7 -day 10 -day NOAA Atlas 14, Volume 8, Version 2 Location name: Briggsdale, Colorado, USA* Latitude: 40.7166°, Longitude: -104.1301° Elevation: 4952.78 ft** 'source: ESRI Maps "source: USGS POINT PRECIPITATION FREQUENCY ESTIMATES Sanja Perica, Deborah Martin, Sandra Pavlovic, Ishani Roy, Michael St. Laurent, Carl Trypaluk, Dale Unruh, Michael Yekta, Geoffery Bonnin NOAH, National Weather Service, Silver Spring, Maryland PF tabular I PF graphical I Maps & aerials PF tabular PDS-based point precipitation frequency estimates with 90% confidence intervals (in inches)1 Average recurrence interval (years) I � 2 5 10 I 25 50 I 100 I 200 I 500 I 1000 0.259 0.314 0.414 0.505 0.642 0.757 0.881 (0.6(0.787-1.76) 1.01 1 (0.8 1.21 (0 202-0.332) (0.245-0.404) (0.321-0.534) (0.389-0.653) (0.484-0.870) ( 0.555-1.03) (0.624-1.23) 1.45) 0.379 0.460 0.606 0.739 0.940 1.11 1.29 1.49 1.77 1.99 (0.295-0.487) (0.358-0.592) (0.470-0.782) (0.570-0.957) (0.709-1.27) (0.813-1.52) (0.913-1.80) (1.01-2.12) (1.15-2.58) (1.26-2.92) 0.462 0.561 0.739 0.901 1.15 1.35 1.57 1.81 2.15 2.43 (0.360-0.594) (0.437-0.722) (0.573-0.953) (0.695-1.17) (0.864-1.55) (0.992-1.85) (1.11-2.19) (1.23-2.59) (1.41-3.14) (1:54-3.56) 0.626 0.760 0.999 1.22 1.54 1.82 2. (1.65-3.45) (1.87 2.42 87 3.23 19) (2.05-4.74) (0.488-0.804) (0.592-0.978) (0.775-1.29) (0.938-1.57i (1.16-2.09) (1.33-2.48) (1.49-2.94) 0.770 0.933 1.23 1.50 1.91 2.27 2.64 3.06 3.64 4.12 (0.600-0.990) (0.726-1.20) (0.953-1.58) (1.16-1.94) (1.45-2.60) (1.66-3.10) (1.87-3.69) (2.08-4.36) (2.38-5.32) (2.61-6.04) 0.914 1.11 1.46 1.78 2.29 2.71 3.18 3.69 4.41 5.01 (0.720-1.16) (0.870-1.41) (1.14-1.86) (1.39-2.29) (1.75-3.08) (2.02-3.68) (2.28-4.39) (2.53-5.21) (2.92-6.38) (3.21-7.26) 0.990 1.19 1.57 1.92 2.47 2.95 3.47 4.03 4.85 5.52 (0.785-1.25) (0.945-1.51) (1.24-1.99) (1.51-2.45) (1.91-3.32) (2.21-3.98) (2.50-4.77) I (2.79-5.67) (3.23-6.97) (3.56-7.96) 1.14 1.36 1.78 2.17 2.78 3.30 3.87 4.50 5.41 6.15 (0.915-1.43) (1.09-1.71) (1.42-2.23) (1.72-2.73) (2.16-3.68(2.50-4.40) (2.83-5.27) (3.15-6.26 (3.64-7.69) (4.01:8.77) ) ) (4.01-8.77).., 1.33 1.58 2.04 2.45 3.08 3.60 4.17 4.78 5.64 6.34 (1.08-1.64) (1.28-1.96) (1.64-2.53) (1.97-3.05) (2.41-4.00) (2.75-4.72) (3.07-5.58) [(3.38-6.54) (3.84-7.90) (4.18-8.93) 1.56 1.83 2.29 2.72 3.36 3.89 4.47 5.09 5.97 6.68 (1.28-1.91) (1.49-2.23) (1.87-2.81) (2.20-3.35) (2.66-4.31) (3.00-5.04) (3.33-5.91) (3.64-6.88) (4.10-8.25) (4.46-9.30) 1.78 2.08 2.60 3.06 3.73 4.28 4.85 5.46 6.30 6.97 (1.47-2.15) (1.72-2.52) (2.15-3.16) (2.51-3.72) (2.98-4.71) (3.33-5.45) (3.65-6.31) (3.94-7.26)_ (4.38-8.59) (4.71-9.59) 1.94 2.24 2.77 3.23 3.91 4.46 5.03 5.65 6.50 7.17 (1.61-2.32) (1.87-2.69) (2.30-3.33) (2.67-3.90) (3.14-4.89) (3.49-5.64) (3.81-6.50) (4.11-7.47) (4.55-8.80) (4.88-9.80) 2.06 2.37 2.91 3.38 4.06 4.61 5.19 5.80 6.65 7.32 (1.73-2.46) (1.99-2.84) - (2.42-3.48) (2.80-4.06) (3.27:5.05) (3.63-5.80) (3.95-6.67) (4.24-7.63) (4.68-8.95) (5.01-9.96)', 2.72 3.32 3.82 4.53 5.09 5.67 6.25 7.05 7.66 (2.29-3.22) (2.79-3.94) (3.20-4.55) (3.68-5.56) (4.04-6.32) (4.34-7.18) (4.60-8.11) (5.00-9.37) (5.29-10.3) 3.03 3.68 4.22 4.96 5.54 6.11 6.68 7.45 8.02 (2.57-3.56) (3.12-4.34) (3.55-5.00) (4.04-6.03) (4.41-6.81) (4.70-7.67) (4.94-8.60) (5.30-9.81) (5.58-10.7) 3.94 4.69 5.30 6.13 6.76 7.37 7.98 8.77 9.35 (3.38-4.58) (4.02-5.47) (4.52-6.21) (5.04-7.34) (5.44-8.19) (5.74-9.13) (5.97-10.1) (6.32-11.4) (6.58-12.4) ' 4.71 5.57 6.26 7.18 7.87 8.53 9.18 10.0 10.6 (4.08-5.44) (4.81-6.45) (5.37-7.28) (5.94-8.52) (6.38-9.46) (6.69-10.5) (6.92-11.5) (7.26-12.9) (7.52-13.9) 5.72 6.76 7.58 8.64 9.41 10.1 10.8 11.7 12.3 (4.98-6.56) (5.87-7.77) (6.54-8.74) (7.19-10.1) (7.67-11.2) (8.00-12.3) (8.21-13.5) (8.53-14.9) (8.77-16.0) 6.59 7.82 8.77 9.98 10.8 11.6 12.3 13.2 13.8 (5.77-7.52) (6.82-8.94) (7.61-10.1) (8.32-11.6) (8.86-12.8) (9.20-14.0) (9.39-15.3) (9.66-16.7) (9.88-17.8)' 20 -day 30 -day 45 -day 60 -day 2.36 (1.99-2.79) 2.63 (2.23-3.09) 3.47 (2.98-4.03) 4.17 (3.62-4.82) 5.06 (4.41-5.80) 5.79 (5.08-6.61) 1 Precipitation frequency (PF) estimates in this table are based on frequency analysis of partial duration series (PDS). Numbers in parenthesis are PF estimates at lower and upper bounds of the 90% confidence interval. The probability that precipitation frequency estimates (for a given duration and average recurrence interval) will be greater than the upper bound (or less than the lower bound) is 5%. Estimates at upper bounds are not checked against probable maximum precipitation (PMP) estimates and may be higher than currently valid PMP values. Please refer to NOAA Atlas 14 document for more information. Back to Top PF graphical C-2 I of 4 12/24/2018, 8:59 AM Precipitation Frequency Data Server https://hdsc.nws.noaa.gov/hdsc/pfds/pfds_printpage.htm I?1at=40.7166&... E 10 a -v 8 c _ 4 6 c>s 1 OM 0�. 'u cu 4 a. Precipitation depth (in) 14 12 10 -- 8 PDS-based depth -duration -frequency (DDF) curves Latitude: 403166", Longitude: -104.1301° c c E O � T 1 T Duration 1 N T fa ro co -Q -a 'O r RI RIrQ r0 -9 -a '9 -99 14S I I 1 2 5 10 25 50 100 NOAA Atlas 14, Volume 8, Version 2 Average recurrence interval (years) 200 500 1000 Created (GMT): Mon Dec 24 15:59:24 2018 Back to Top Maps & aerials Small scale terrain Average recurrence interval (years) f --- 2 5 10 25 50 100 200 500 1000 Duration 5► rnin 1 p-tnn 15r -min -•-- 30 -mm 60 -min 24w 34w 6 124w -- 244w 2 -day 3 -day ._. 4,_day 1 -day 10 -day 20 -day _. 30 day ea 4S -day 60 -day C-3 2 of 4 12/24/2018, 8:59 AM Precipitation Frequency Data Server https://hdsc.nws.noaa.gov/hdsc/pfds/pfds_printpage.html?lat=40.7166&... I _ 3km 2mi ... • Mil 1 r sie C For tCall iris ',rang:a; -(1345 m Boulder • Large scale terrain • • L c'ngn-ic nt 100km I 1 60mi .r -sue Fort Col ii a 'er Large scale aerial Large scale map Che Greeley L ngmont QB ou 1der 100km 1 1 60mi i i l C-4 3 of 4 12/24/2018, 8:59 AM Precipitation Frequency Data Server https://hdsc.nws.noaa.gov/hdsc/pfds/pfds_printpage.html?Iat=40.7166&... Back to Top US Department of Commerce National Oceanic and Atmospheric Administration National Weather Service National Water Center 1325 East West Highway Silver Spring, MD 20910 Questions?. HDSC.Questions@noaa.gov Disclaimer C-5 4 of 4 12/24/2018, 8:59 AM Appendix D: Area Weighted Imperviousness Values Table R Percentage In rerviousness Yams Land Use or Space Characteristics Percentage Imperviousness 8irress: Commercial areas 05 Neighborhood areas 85 Residential: Single-family ' Multi -unit (detached) 60 Mulls -unit (attached) 75 Half ac re lot or larger ' Apartments 80 Industrial: Lig areas 80 Heavy areas g(l Parks, cemeteries 5 Playgrounds 10 Schools 50 Raihoad yard areas 15 Undeveloped Areas: Historic flow analysis 2 Greenbelts, agricultural 2 Off -site flow analysis (when land use not defined) 45 Street: Paved 100 Gravel (packed) 40 Drive and wadcs 00 Roth go Lawns, sandy soil D Lawns. clayey soil 0 ' See Figures RO-3 through RC -5 for percentage er of ness. D-2 Appendix E: Hydrologic Calculations Calculation of Peak Runoff using Rational Method Oe,.rjner. Company Verson 240 released May 2017 Gate r' - e. elk. •:t t•as o.kd asn•-•;-poi Prup'ct. • ..�: J•: ,..� Lr L u1 - a tin; n . v J , 6i of h* cobr we br cilcul id needle blvd on overrides 11.399( 1.1 — 1, `tae 1, l' i3OB %, 1, LO V, lanuputed t, - v • t, ltckwttrl Ir - _ r . - 171) + lu.u.. .. lofts' tw„wrw..w' tuition urban) j ktled t, = utart(twm,u.um . mini Lomputctl I, . kcEtrnal I , •1111.1-:':r' ka;g:', 'i'a' NON- Alla: 14 Irdrratl tier t: •' uulbr,.vn Irrt OR enifn lout dal depths obtained (turn the NOAH wtD$'te Iclwk the. line; 2 r 5 r 1 r zs; 5 r 100 r SOO r tfiour rainfall depth, PI tin) of (1 33 ' 1.• ? ti• 1 - Le4 3 t1 a D Rainfall Intensity Equator. Coefficwnts el 22.i0 I 10. Ittn/M I = a • Irl r),./. -t I:1 Stith_ .11LIIME lit WWI./ Area lac) NRCS Hydrobyrc Sod Group Percent Impeivousnvs: Runoff Coefficient. C Overland (Initial) Flow Time Channeltnd (Travel) Flow Time Time of Concentration Rafnfafl Intensity. I liolhrl Peak FlowO Rh.) 2 1 2 5 r 1 �'� 500 r y Overland Flow Length 0 L (ft) UtS Elevation MI IOptane)) 015 Elevation Inl (Optional) Overland Flow Slope S Iftlh) Overland Flow Time I. Imml Channekzed Flow LengthComputed 9 L, (tit) U1S Elevation Inl lOptronal) WS Elevation (ft) (Optional) Channelized Flow Slope S. Mitt NRCS Conveyance Factor K Channelaed Flow Velocity V, (ftlsec) Channelrzed Flow Time %lmml t Imml Regional 41m1n1 Selected 41mtn1 lyr Syr fUyr 25yr S4yr t00yr SO4yr 1yr Syr Wit (Syr SOyr 100-yr 5U6-yr . Ea .01 0.05 0.15 0.33 0.40 0.49 059 ,.. At GO . ./u � ;s 1. ,,'! _ :� I,:' G 4n 158.52 'Oa 9 111,0/ 1119 r O o' y' I _ .)� � .: 7 j ;i; „ ur. '1 L. _ 96 r iy 4 h'. 1 lyE4. 1 65 0.69 012 0.77 0/9 0.81 0,84 � 1 41 t3,57 ' 35 74 35.74 s: • /4 ; ::?. :4 fit. 10 i . 11 n :a :14 G0 91 87 05 r 101 0.05 0.15 0,33 0.40 0.49 0.59 )L, 131 e8 IS i9c 13 lb 73.16 ... J: ' i. OC ? -. 0.56 0.61 0.56 0,71 075 074 °5 v..r. . ')5.94 39 �:1 RE _ta- .... h t 01 0.05 O 15 0.33 040 ? 49 ' - iii. At. lir - - Appendix F: Detention Basin Volume by the Modified FAA Method EAST POND - DESIGN POND VOLUMES Water Quality Capture Volume A WQCV = 12[0.9113-1.1912+0.781] where: I = Percent Impervious (%100) = 80.0% A = basin area (acres) = 20.16 ac WQCV = 20.26 [0.91(0.80)3 — 1.19(0.80)2 + 0.78(0.80)] = 0.5516 ac — ft WQCV = 24, 027 cf 10-yr Runoff Volume From FAA Worksheet — V10 = 72, 810 cf 100-yr Runoff Volume From FAA Worksheet — V100 = 179, 319 cf WEST POND - DESIGN POND VOLUMES Water Quality Capture Volume WQCV = —12[0 91/3 — 1 19/2 + 0 78/] where 1 = Percent Impervious (% /10p) = 65 0% A = bastn area (acres) = 59 18 ac 5 WQCV = 928 [0 91(0 65)3 — 1 19(0 65)2 + 0 78(0 65)] = 1 2533 ac — ft WQCV = 54,594 cf 10-yr Runoff Volume From FAA Worksheet — V10 = 173,583 cf 100-yr Runoff Volume From FAA Worksheet — V10o = 469,069 cf DETENTION VOLUME BY THE MODIFIED FAA METHOD Project: Cureton Hookside Gas Plant Basin ID: East Storm water Detention Pond - Basin PR -1 (For catchments less than 160 acres only. For larger catchments. use hydrograph routing method) (NOTE: for catchments larger than 90 acres. CUHP hydrograph and routing are recommended) Determination of MINOR Detention Volume Using Modified FAA Method Determination of MAJOR Detention Volume Using Modified FAA Method Design Information (Input): Design Information (Input): Catchment Drainage Imperviousness I, = 80.00 percent Catchment Drainage Imperviousness I, = 80.00 percent Catchment Drainage Area A = 20,180 acres Catchment Drainage Area A = 20.180 acres Predevelopment NRCS Soil Group Type = C A B. C or D Predevelopment NRCS Soil Group Type = C A B C or D Return Period for Detention Control T = 10 years (2. 5, 10, 25. 50. or 100) Return Period for Detention Control T =I 100 (2 5 10 25 50 or 100i years Time of Concentration of Watershed Tc = 36 minutes Time of concentration of Watershed Tc = 36 minutes Allowable Unit Release Rate q = 0.19 cfs/acre Allowable Unrt Release Rate q = 0.19 cfs/acre One -hour Precipitation P. = 1.50 inches One -hour Precipitation P, =j 2.64 inches Design Rainfall 1DF Formula i = C,' P,/(C2+TJ"C3 Design Rainfall IDF Formula i = C,' P11(C2+Tc)"C3 Coefficient One C; = 28.50 Coefficient One C• = 28.50 Coefficient Two C2 = 10 Coefficient Two C2 = 10 Coefficient Three C3 = 0/39 Coefficient Three C. r 0 789 Determination of Average Outflow from the Basin (Calculated): Determination of Average Outflow from the Basin (Calculated): Runoff Coefficient C = 0.66 Runoff Coefficient C = 0.74 _ Inflow Peak Runoff 1/4.0p -in = 27.76 cfs Inflow Peak Runoff Op -in = 54.79 cfs Allowable Peak Outflow Rate 10-oljt = 3.92 cfs Allowable Peak Outflow Rate Op -out = 3.92 cfs Mod. FAA Minor Storage Volume = 72,810 cubic feet _ Mod. FAA Major Storage Volume- 179 319 cubic feet Mod. FAA Minor Storage Volume = 1.671 acre -ft Mod. FAA Major Storage Volume = 4.117 acre -ft 5 <- Enter Rainfal Duration Incremental Increase Value Here (e.g. 5 for 5 -Minutes) Rainfall Duration minutes ;input) Rainfall Intensity inches / hr (output) Inflow Volume acre-feet (output) Adjustment Factor m" (output) Average Outflow cfs (output) Outflow Volume acre-feet (output) Storage Volume acre-feet (output) Rainfall Duration minutes (input) Rainfall Intensity inches 1 hr (output) tp ) Inflow Volume acre-feet (output) Adjustment "m"Factor (output) Average Outflow cfs (output) Outflow Volume acre-feet (output) Storage Volume acre-feet (output) 0, 0.00 0.000 0.00 0.00 0.000 0.000 0 0.00 0.000 0.00 0.00 0.000 0.000 5 5.05 0.463 1.00 3.92 0.027 0.436 5 8.88 0.913 1.00 3.92 0.027 0.886 _ _ 10 l 4 02 0.738 1.00 3.92 0.054 0 684 10 7.08 1.456 1.00 3.92 0.054 1.402 15 3.37 0.928 1.00 3.92 0.081 0.847 15 _ 1.00 3.92 0.081 1.750 20 2 92 1.072 1.00 3.92 0.108 0.964 20 _5.94 5.14 _1.831 2.115 3.92 0.108 2 007 25 2 59 1.186 1.00 3.92 0.135 1.051 25 4.55 2.341 __ __1.00 1.00 3.92 0.135 2.206 30 2 33 1.281 1.00 L 3.92 0.162 1.119 30 4.10 2.528 1 00 3.92 0.162 2.366 35 2.12 1 362 1.00 3.92 0.189 1.173 35 3.73 2.687 1 00 3.92 0.189 2.498 40 1 95 1 432 0.95 3.73 0.205 1.227 40 3.44 2 826 0.95 3.73 0.205 2.621 45 1.81 1.495 0.90 3.53 0.219 1.276 45 3.19 2.949 0.90 3.53 0.219 2.730 50 1.69 1.551 0.86 3.37 0.232 1.318 50 2.98 3.060 0.86 3.37 0.232 2.827 55 1 59 1.601 0.83 3.25 0.246 1.355 55 2.79 3.160 0.83 3.25 0.246 2.914 60 150 1.648 0.80 3.14 0.259 1.388 60 2.63 3.251 0.80 3.14 0.259 2.992 65 142 1.690 0.78 3.05 0.273 1.417 65 2.49 3.335 0.78 3.05 0.273 3.063 70 1.35 1.730 0.76 2.97 0_286 1.443 70 2.37 3,414 0.76 2.97 0.286 3.127 75 1.28 1.767 0.74 2.90 0.300 1.467 75 2.26 3.487 0.74 2.90 0.300 3.187 _ BO 1.23 1.802 0.73 2.84 0.313 1.488 30 2.16 3.555 0 73 2.84 0.313 3 242 85 1.18 1.834 0.71 2.79 0.327 1.507 85 2.07 3.620 0.71 2.79 0.327 3.293 90 1.13 1.865 0.70 2.75 0.341 1.525 90 199 3.681 0.70 2.75 0.341 3.340 95 1.09 1.894 0.69 2.71 0.354 1.540 95 1.91 3_738 0.69 2.71 0.354 3.384 100 1.05 1.922 0.68 2.67 0.368 1.555 100 1.84 3.793 0.68 2.67 0.368 3.426 105 1.01 1.949 0.67 2.63 0.381 1.568 105 1.78 3.846 0.67 2.63 0.381 3.465 110 0.98 1 974 0.66 2.60 0 395 1.580 110 1.72 3.896 0.66 2.60 0.395 3.501 115 0.95 1 998 0.66 2.58 0.408 1.590 115 1.67 3.944 0 56 2.58 0.408 3.536 120 0.92 2.022 0.65 2.55 0.422 1.600 120 1.62 3.990 0.65 2.55 0.422 3.568 125 0.89 2.044 0.64 2.53 0.435 1.609 125 1.57 4.034 0.64 2.53 0.435 3.599 130 0.87 2.066 0.64 2.51 0_449 1.617 130 1.52 4.077 0.64 2.51 0A49 3.628 135 0 84 2.087 0.63 2.49 0.462 1.625 135 1.48 4 118 0.63 2.49 0.462 3.656 140 0.82 2.107 0.63 2.47 0 476 1.631 140• 1.44 4 158 0.63 2.47 0.476 3.682 145 0.80 2.126 0 62 2.45 0 489 1.637 145 1.41 4.196 0.62 2.45 0.489 3.707 150 0.78 2.145 0.62 2.43 0.503 1.643 150 1.37 4.234 0.62 2.43 0.503 3.731 155 0.76 2.164 0.62 2.42 0.516 1.648 155 1.34 4.270 0.62 2.42 0.516 3.754 160 0.74 2.182 0.61 2.40 0 530 1.652 160 1.31 4.305 0.61 2.40 0.530 3.775 165 0.73 2_199• 0.61 2.39 0.543 1.656 165 1.28 4.339 0.61 2 39 0.543 3.796 170 0.71 2.216 0.61 2.38 0.557 1.659 170 1.25 4.372 0.61 2.38 0.557 3.816 175 0.70 2.232 0.60 2.37 0.570 1.662 175 1.22 4.405 0.60 2.37 0.570 3.834 180 0.68 2.248 0.60 2.35 0.584 1.664 180 1.20 4.436 0.60 2.35 0.584 3.852 185 0.67 2.264 0.60 2.34 0.597 1.666 185 1.17 4.467 0.60 2.34 0.597 3.870 __ 190 0.65 2.279 0.59 2.33 0.611 1.668 190 1.15 4.497 0.59 2.33 0.611 3.886 195 0.64 2.294 0_59 2.32 0.624 1.669 195 1.13 4.526 0.59 2.32 0.624 3.902 200 0.63 2.308 0 59 2.32 0.638 1.670 200 1.11 4.555 0.59 2.32 0.638 3.917 205 0.62 2.322 0.59 2.31 0.651 1.671 205 1.09 4.583 0.59 2.31 0.651 3.931 210 0.61 2.336 0.59 2.30 0.665 1.671 210 1.07 4.610 0.59 2.30 0.665 3.945 215 0.60 2.350 0.58 2.29 0.678 1.671 215 1.05 4.637 0.58 2.29 0.678 3.959 220 0.59 2.363 0.58 2.28 0.692 1.671 220 1.03 4.663 0.58 2 28 0.692 3.971 225 0.58 2.376 0.58 2.28 0.705- 1.671 225 1.01 4.689 0.58 2.28 0.705 3.984 230 0.57 2.389 0.58 2.27 0.719 1.670 230 1.00 4.714 0.58 2 27 0.719 3.995 235 0.56 2.401 0.58 2.26 0.732 1.669 235 0.98 4.739 0.58 2.26 0.732 4 007 240 0.55 2.414 0.58 2.26 0.746 1.668 240 0.96 4.763 0.58 2.26 0.746 4 017 _ 245 0.54 2.426 0.57 2.25 0.759 1.667 245 0.95 4.787 0.57 2.25 0.759 4.028 250 0.53 2.438 0.57 2.24 0.773 1.665 250 0.94 4.811 0.57 2.24 0.773 4.038 255 0.52 2.449 0.57 2.24 0.786 1.663 255 0.92 4.834 0.57 2.24 0.786 4.047 260 0.52 2.461 0.57 2.23 0.800 1.661 260 0.91 4.856 0.57 2.23 0.800 4.056 265 0.51 2.472 0.57 2.23 0.813 1.659 265 0.89 4.878 0.57 2.23 0.813 4.065 270 0.50 2_483 0.57 2.22 0.827 1.656 • 270 0.88 4.900 0.57 2.22 0.827 4.073 _ 275 0.49 2.494 0 57 2.22 0.840 1.654 275 0.87 4.922 0.57 2.22 0.840 4.081 280 0.49 2.505 0.56 2.21 0.854 1 651 280 0.86 4 943 0.56 2.21 _ 0.854 4.089 285 0.48 2.515 0.56 2.21 0.867 1.648 285 0.85 4 964 0.56 2.21 0.867 4.096 290 0.47 2.526 0.56 2.21 0.881 1.645 290 0.84 4.984 0.56 2.21 0.881 4 103 295 0.47 2_536 0.56 2.20• 0.894 1.642 295 0.82 5.005 2_20 0.894 4.110 _0.56 300 0.46 2.546 0 56 2 20 0 908 1 638 300 0.81 5.025 0 56 2 20 0.908 4 1 ' 7 od. FAA Minor Storage Volume (cubic ft.) = 72,810 Mod. FAA Major Storage Volume (cubic R) = Mod. FAA Minor Storage Volume (acre -ft) = 1.6715 Mod. FAA Major Storage Volume (acre -ft.) = UDFCD DETENTION BASIN VOLUME ESTIMATING WORKBOOK Version 2.35, Released January 2015 Cureton Hookside East Pond - UD-Detention_v2.35 (FAA).xls Modified FAA 179,319 4.1166 12/2812018 4 46 AM F-4 DETENTION VOLUME BY THE MODIFIED FAA METHOD Project: Cureton Hookside Gas Plant Basin ID: East Storm water Detention Pond - Basin PR -1 Inflow and Outflow Volumes vs. Rainfall Duration i Volume (acre-feet) 6 5 4 3 2 0 100 150 200 250 300 O O O O O o o O O O O O O O O O O O o o o c o o O O O O Q O O O O O O O Q o o Duration (Minutes) —S Minor Storm Inflow Volume —Minot StormOutfbwVolume o Minor Sloe rnStorape VolurrrMajor Storm Inflow Volume —Male Storm Outflow Volume • Malor Storm Storer Volume 350 J UDFCD DETENTION BASIN VOLUME ESTIMATING WORKBOOK Version 2.35 Released January 2015 Cureton Hookside East Pond - UD-Detention v2.35 (FAA).1ds. Modified FAA 12/28/2018 4 46 AM F-5 DETENTION VOLUME BY THE MODIFIED FAA METHOD Project: Cureton Hookside Gas Plant Basin ID: West Storm water Detention Pond - Basin PR -2 (For catchments less than 160 acres only. For larger catchments. use hydrograph routing method) (NOTE: for catchments larger than 90 acres, CUHP hydrograph and routing are recommended) Determination of MINOR Detention Volume Using Modified FAA Method Determination of MAJOR Detention Volume Using Modified FAA Method Design Information (Input): Design Information (Input): Catchment Drainage Imperviousness la = 65.00 percent Catchment Drainage Imperviousness I, = 65.00 percent Catchment Drainage Area A = 59.180 acres Catchment Drainage Area A 59.180 acres Predevelopment NRCS Soil Group Type = C A B C or D Predevelopment NRCS Soil Group Type = C A B. C or D Return Period for Detention Control T = 10 years (2. 5, 10. 25 50. or 100, Return Period for Detention Control T = 100 lyears (2. 5. 10. 25 50 or 100i Time of Concentration of Watershed Tc = 56 minutes Time of Concentration of Watershed Tc = 56 minutes Allowable Unit Release Rate q = 0.15 cfs/acre Allowable Unit Release Rate q = 0.15 cisracre One -hour Precipitation P• = 1.50 inches One -hour Precipitation P. = 2.64 inches Design Rainfall IDF Formula i = C,• P,/(C2+Tc)"C3 Design Rainfall IDF Formula i = C.• P,l(C2+Tc)"C3 Coefficient One C, = 28.50 Coefficient One C, = 28.50 Coefficient Two C2 = 10 Coefficient Two C7 = 10 Coefficient Three C: = 0.789 Coefficient Three Cs = 0.789 Determination of Average Outflow from the Basin (Calculated): Determination of Average Outflow from the Basin (Calculated): Runoff Coefficient C = 0.54 Runoff Coefficient C = 0.65 Inflow Peak Runoff Op-rn = 50.11 cfs Inflow Peak Runoff Op -in = 106.15 cfs Allowable Peak Outflow Rate Op -out = 8.87 cfs Allowable Peak Outflow Rate Qp-out = 8.87 cfs Mod. FAA Minor Storage Volume = 173,583 cubic feet Mod. FAA Major Storage Volume = 469,069 cubic feet Mod. FAA Minor Storage Volume = 3.985 acre -ft Mod. FAA Major Storage Volume = 10.768 acre -ft 5 <- Enter Rainfall Duration Incremental Increase Value Here (e.g. 5 for 5 -Minutes) Rainfall Duration minutes (input) Rainfall Intensity inches / hr (output) Inflow Volume acre-feet ,output) Adjustment Factor "m" (output) Average Outflow cfs (output) Outflow Volume acre-feet (output) Storage Volume acre-feet routauti Rainfall Duration minutes (input) Rainfall Intensity inches / hr (output ) Inflow Volume acre-feet (output) Adjustment Factor "m" lout ut output) Average Outflow cfs (output) Outflow Volume acre-teet (output) Storage Volume acre-feet (output) 0 0.00 0.000 0.00 0.00 0.000 0.C00 0 0 00 0.000 0.00 0.00 0.000 0 000 5 5.05 1.11 1 1 00 8.87 0.061 1.C50 5 8 88 2.353 _ 1.00 8.87 0.061 2 292 10 4.02 1.770 1 00 8.87 0.122 1.648 10 7 08 3.750 1.00 8.87 0.122 3.628 15 3.37 2.227 1 00 , 8.87 0.183 4 2.044 15 5.94 4.718 1.00 8.87 0.183 4.534 20 2.92 2.571 1.00 8.87 0.244 2.327 20 5.14 5.447 1.00 8.87 0.244 5.203 25 2.59 2.846 1.00 8.87 0.305 2.541 25 4.55 6 029 1.00 8.87 0.305 5.724 30 2.33 3.074 1.00 8.87 0 367 2.707 30 4.10 6.512 1.00 8.87 0.367 6 145 35 2.12 3.268 1.00 8.87 0.428 2.840 35 6.923 1-00 8.87 4 0.428 6 495 40 1.95 3.437 1.00 8.87 0.489 2.948 40 _3.73 3.44 7.281 1 00 8.87 0.489 6.792 45 1.81 3.586 1.00 8.87 0.550 3.C36 45 3.19 7.597 1.00 8.87 0.550 7.048 50 1.69 3.720 1.00 8.87 0 611 3.109 50 2.98 7.882 1.00 8.87 0.611 7.271 55 1 59 3.842 1.00 8.87 0.672 3.170 55 2.79 8.139 1.00 8.87 0.672 7 467 60 1.50 3.953 0.97 8.57 0.709 3.244 60 2.63 8.375 0.97 8.57 0.709 7.666 65 1.42 4.056 0.93 8.26 0.739 3.316 65 2.49 8.592 0.93 8.26 0.739 7 853 70 1 35 4.151 0.90 7.98 0.770 3.381 70 2.37 8.793 0.90 7.98 0.770 8.024 75 1.28 4.240 0.87 775 0.800 3.439 75 2.26 8.982 0.87 7.75 0.800 8.181 80 1.23 4.323 0.85 7.54 0.831 3.492 80 2.16 9.158 0.85 7.54 0.831 8.327 85 1.18 4.401 0 83 7.36 0.861 3.540 85 2.07 9.324 0.83 7.36 0.861 8.463 90 _ 1.13 4.475 0.81 7.19 0.892 3.583 90 1.99 9.481 0.81 7.19 0.892 8.589 95 1.09 4.545 0.79 7 05 4 0_922 3.623 95 1.91 9.630 0.79 7 05 0.922 8.707 100 1.05 4.612 0.78 6.92 0.953 3.659 100 1.84 9.771 _ 0.78 6.92 0.953 8.818 105 1.01 4.676 0.77 6.80 0.984 3.692 105 1.78 9.906 1 0.77 6.80 0.984 8.923 110 44_( 0.98 4.737 0.75 6.69 4 1.014 3.723 110 1.72 10.035 0.75 6.69 1.014 9.021 115 0.95 4.795 0.74 6.59 1.045 3.751 1 15 1.67 10.159 0.74 6 59 1.045 9.114 120 i 0.92 4.851 0.73 6.50 1 075 3.776 120 1.62 10.277 _ 0.73 6.50 __ 1.075 9.202 125 0.89 4.905 0.72 6.42 1 106 3.799 125 1.57 10.391 0.72 6-42 4 1.106 9 286 130 v 0.87 4.957 0.72 6.35 1.136 3.821 130 1.52 10.501 0.72 6.35 1.136 9.365 135 0.84 5.007 0.71 6.27 1.167 3.840 135 1.48 10.608 0.71 6.27 1.167 9-441 140 0.82 5.055 0.70 6.21 1.197 3.558 140 1.44 10.710 0.70 6.21 1.197 9.513 145 0.80 5.102 0.69 6.15 i 1.228 3.874 145 1.41 10.809 0.59 6.15 1.228 9.581 150 0.78 5.148 0.69 6.09 1 ,258 3.859 150 1.37 10.905 0.69 6.09 1.258 9.647 155 0.76 5.192 0.68 6.04 1.289 3.903 155 1.34 10.999 0.58 6.04 1.289 9.710 160 0.74 5.234 0.68 5.99 1.320 3.915 160 1.31 11.089 0.68 5.99 1.320 9.770 165 0.73 5.276 0.67 5.94 1 350 3.926 165 1.28 11.177 0.67 5-94 _ 1.350 9.827 170 0.71 5.316 0_66 5.90 1.381 3.936 170 1.25 11.263 0.66 5.90 1.381 9.882 175 0.70 5.356 0.66 4 5.85 1 411 3.944 175 1.22 11.346 0.66 5.85 1.411 9.935 180 0.68 5.394 0.66 5.81 1.442 3.952 180 1.20 11.427 0.66 5.81 1.442 9.985 185 0.67 5.431 0.65 5.78 1.472 3.959 185 1.17 11.506 0.65 5.78 1.472 10.034 190 0.65 5.468 0.65 5.74 1.503 3.965 190 4 1.15 11.584 0.55 5.74 1.503 10.081 195 0.64 5.503 0.64 5.71 1.533 3.970 195 1.13 11.659 k 0.64 5.71 1.533 10.126 200 0.63 5.538 0.64 5.68 1.564 3.974 200 1.11 11.733 0.64 5.68 1.564 10.169 205 0.62 5.572 0.64 5.65 1 594 3.978 205 1.09 4 11805 0.64 5.65 1.594 10.210 210 0.61 ' 5.606 0.63 5.62 1.625 3.981 210 1.07 I 11.875 0.63 5.62 1.625 10.250 215 0.60 5.638 4 0.63 5.59 1.655 3.963 215 1.05 1 11-944 0.63 5.59 1.655 10.289 220 0.59 5.670 0.63 5.56 1.686 3.994 220 1.03 12-012 0.63 5.56 1.686 10.326 225 0.58 5.701 0.62 5.54 1.717 4 3.965 225 1.01 12.078 0.62 5.54 1.717 10.362 230 0.57 5.732 4 0.62 5.51 1.747 3.965 230 1 00 12 143 0.62 5.51 1.747 10.396 235 0.56 5.762 0.62 5 49 1.778 1 3.964 235 0.98 12.207 0.62 5.49 1.778 10.430 240 0.55 5.792 0.62 5 47 1.808 3.983 240 0.96 12.270 0.62 5.47 1.808 10.462 245 0.54 5.821 0.61 5.45 1.839 3.982 245 0.95 12.331 0.61 5.45 1.839 10.492 250 0.53 • 5.849 0.61 5.43 1 869 3.980 250 0.94 12.392 0.61 5.43 1.869 10.522 255 0.52 5.877 0.61 5.41 1.900 3.977 255 0.92 12.451 0.61 5.41 1.900 10.551 260 0.52 5.905 0.61 5.39 1.930 3.974 260 0.91 12.509 0.61 5.39 1.930 10.579 265 0.51 5.932 0.61 5.37 1961 3.971 265 0.89 12.566 0.61 5.37 1.961 10.606 270 0.50 5.958 0.60 5.35 1991 1957 270 0.88 12.623 0.60 5.35 1991 10.631 275 4 0.49 5.985 0.60 5.34 2.022 3.932 275 0.87 12.678 0.60 5.34 2.022 10.556 280 0.49 6.010 0.60 5.32 2.053 3.958 280 0.86 12.733 0.60 5.32 2.053 10.680 285 0.48 6.036 0.60 5.31 2.083 3.953 285 290 0.85 0.84 12.787 12.840 0.60 5.31 0.60 5.29 2.083 2.114 10.704 10.726 290 0.47 6.061 0.60 5.29 2.114 3.947 295 0.47 6.085 0.59 5.28 2.144 3.941 295 0.82 12.892 0.59 5.28 2.144 10.747 300 0.46 6.109 0.59 5.26 2 175 3.935 300 0.81 12.943 0.59 5.26 2.175 10.768 tod. FAA Minor Storage Volume (cubic ft.) = 173,583 Mod. FAA Major Storage Volume (cubic ft.) = Mod. FAA Minor Storage Volume (acre -ft.) = 3.9E.49 Mod. FAA Major Storage Volume (acre -ft.) = UDFCD DETENTION BASIN VOLUME ESTIMATING WORKBOOK Version 2.35. Released January 2015 Cureton Hookside West Pond - UD-Detentron_v2.35 (FAA).xls. Modified FAA 469,069 10.7683 12/28/2018 4 43 AM F-6 DETENTION VOLUME BY THE MODIFIED FAA METHOD Project: Cureton Hookside Gas Plant Basin ID: West Storm water Detention Pond - Basin PR -2 ti Inflow and Outflow Volumes vs. Rainfall Duration 14 12 10 8 a) a) U RS a) E 6 4 2 0 0 • ••••••• •••••••••• •• • •- ••••.•••••• • • • • • • • OOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOOO ��o OOot�000 00r O i 50 100 150 200 Duration (Minutes) 250 300 Stgr�nlnflowl;�.�urm �tIr_w ifnemOutibw-:otunx Minor Storm Storage -.Minnie ;trig it) In11nw V ?pirne - Mat or Storm DutiIOW 'Jotume • Malnt Storm Storage /offline 350 UDFCD DETENTION BASIN VOLUME ESTIMATING WORKBOOK Version 2.35. Released January 2015 Cureton Hookside West Pond - UD-Detention v2.35 (FAA).xls. Modified FAA 12128/2018. 4 43 AM F-7 Appendix G: Detention Basin Stage -Storage Appendix H: Detention Basin Outlet Structure Design To be provided in final drainage report. Appendix I: Culvert Design Appendix J: Construction Drawings z A C G L I,I I I/� i \ 7 \ \ \ ly till/ Il 1 ) \ \ ,l \\ \\ 1\ \ Y �'\} III\ ` I ) \\ \ ~I // ,• r I } 1 Ir 1 1 ' ( I I I I I'I fr 55, I o f \ '' I L( 1 `� \ \\ l 1, �\-� \\�� //////( i /� _'— ��l I j t ,� ` -` J%/�(I I to !' r J�`�_/ I II�I� SJ, 1N\ /17----'11-2/2////(71 I 7 1 I I r( III r ( ;ICJ( 7 J 1 / - — ( I \ UPI I J �' dill: I 27 I I I ✓\ r f rtl I I I ( I f w r,- I1 (\ f r1� I 61 I' \, II HSGc I II I I r y ` �, �' \ \\ \\ NOTES a tt STATErOR roO,E WAS PPREPAREDB wsDRP�WPANDWAS RkNN ON THE �i,PrB• SERVE, HORIZONTAL DATUM. AMRICaxxBMZONTA ATBN.L°e°wSSURV EET, N aRlxa,,rvoa.n orvE,rvoRTn DATUM, TxAMERICAN RTICAL DATUM MR avcEwEe oTsuavEv RNrv.,EB rvBO >TB L o F.�sERR.rory .xxTaRss„o„N.R«xMLOGS ,PMETER OEMs FROM THE NA„ONALELEVATION B.,asEI D, LEGEND \:'� I` �. ��I ,, Y ` r l L.',.. 1 I I \\ ) \ I I t L ` \ I I/ --- \ \ \ 1 I I/ , \ I / ) \ I c 1 1/ , IiI I i 9D /I �} 1 I HSG C \/ 11 // r i ft rill ' �V \ 1 1 / I / / N\\\\\ . I Ill JIL��L \\\ 1 �\\\ f \\ \\ \ I \\ ` \\\N\ L\ ( W.\ \...s.,[111I11,. \\ \\.. \ ti\ v L 1 .\222, \ \ \ \s,_‘\\,15,‘ EBB,- EBIST,NOMM«OONrDDR — _ EXISTING MINOR COWPER ,RN, PRNEDEEBNaBR.N1aR 3052 PROPOSED MINOR COEMOUR 1I 1.)I\\ Ill\\,\\`\\�I11 II \ \ 11 5\ t LLI—I--T \ 1 ,I 1lI\\ L / HSGB\ ��\\\\\ 1 ,\ / -'---, \ \\\\\�I 1\`\\\\\\\ \ / , ,./. h 1 /t ( /\\� ` \1 \ 1 T� `� f Y`\ ~L.i,_�' '// / 1 1 I -1\,,,'"1'-‘ 1:'-11-, — 4—(/ \ J� \ \ \ \ \ y�\\\,\\\\\ \\ --\`.fiATH \\\\�\\\. BMINBDxOAa, -__ DRAINAGE aowoaEaIE, Row vary 7D IIT5RoLGGICS00GROIN, ERG., I I \ \\\\\\\ \1\ l J - —�—�v 1 I R /-I\ } \\�\\ I NRCSWEBSOILSURVEYDATA .. 11, \ \VAA)V 1 V 1 ) _ \ \,�\\5� 5 \ I I ,5 11V l -� 11111\`\ AA \) \ \ _��_ �, _ — 1 I -�� - -, `� \� L -,- r� 1 1L�11\1 'J y \ \ \ \I \ C' 1 BB MAP SOILMAME �. \\ \ 1 L 1( L 1 t I I. 1 — y' s II-- 1 1 \\ COMPLEX (05970 195 1 ` 1 \\ i1 s�,row.D3.nixPEs OAMt5,TD.96BLOPES) 1 1 1 \ II• 11 \ \ I l\\ 1 \ 1\ NUNN 1 !/ Ili \ ( — I l \ l \ l �\ \ ,-, \ \\ LOAM 10,15 TD E�etare, I� \ ( E i /// rrr I ) 1 \v`\\\\\\\/4 \ —f—�� \\`� -_.- f \�"'} \\\ TOLINVE DNeNAMNEs LOAM (OM To<nsL5aEs1 \ 1 / \ \ '\L\\ E%-11�\\\, ,� \ \\ Bs ELMS ��I. Illf/(f Irk �I/r I \� 11 \\_ / r ) / , \ \, III ( 1 — III — _— hh /I ) J � \) \ 11 — _'.— '/ r \ HSG 36 `,/, ` -- \L \ J ,/ �I \\\\\ \\\ II"' \ \ -iBASIN \\ — /ll — — — — _/ �~ \ -� / \- " - \~ \ \ \ \\ - —I1 \\\ `` I �. — '— — 1- Jr �\ it . ._ -- BB —t }22_22, ,-- —._' r^A,� HSG.C ` v . t 1 1 4 1 p I \ \ \ \\\ l \ \ -1 "' ( \ N. \ \ / / C \— —V \. \\ \ 1 \ \ _s — •. NORTH DRAINAGE BASIN SUMMARY BASIN DESIGN POINT DESCRIPTION ca+mieu • (Acxesj Aaa nrBRO grAns TL '''— �n13P REw DAsi IENmn(PWI I —"W.; stop" e , oEFF1cI ONT .e e LOEFF1cvRME Lo- T, (crsi W ,o ,A vaP 1) LW aaTE a�� E»IEr, :Ire 5 ININGTDNA DEaE=5,5N „E5 0 S 055 95 D„ For Information Only f�Abelon dYEeaumnsa Not For Construction wr. CDREIDN MIDSTREAM CURETON MIDSTREAM w.. WELD co,,, c,-, TITLE PROTECT MB 32 2ea5Ls wu.... M o-aD HOD,2 GAS PLANT 600MNIGCFD CRYDGENICIGAS PLANT CIVIL PRE-DEVELOPED DRAINAGE WSINM An 18 89 ttOUD r2 2xl2DIe Daawlxc NUMB no Ness A I05 FOR PERMIT 2/2 MS MTV -,.� M RaEISNEY ,2a5r:D B S SE amuel ngineering E _ 3� r - IJ —•• �� HSGP-CE-610 - F REF "RENO DRAWINGS aFV ISIDNs Rfv SIDHS •�- ''''' '' vy. cnigt ra ,x ''.." J-2 G H 1 A I 8 C 1 D I E I F I G H I . I i• \ I �� I `1 \ \ \ 1 LI -.r ••-•. L. \ l/�c..; \ __ /r///// /Jr / - -' / ) I I r II i I I t \ NOTES J I III • 11( I I I / I 1- 1 I 1 I \ I ` I I I l` \ I I I , I ` l `•-� l i, ` l �� 1 l f 1 J I \, 1 I �� I i / L , } 1 SECTION UNE / 'J S ( / ;,_' /i�� ' '�- .r '1 v l -•-• /1-- / l I 1 I J__,, r/ I I 1 I `/ J J r/ f ( J I 1 y / f I r'_ \ i J f I' 1-'_� I I / I i I r! I 1, i1 I 111 I I I III II II - I I I I I I 61 HSG C \ i \^ 1 f I r I r I. THE nOUAbIDE GAS PLANT PROPOSED SITE IS LOCATED ON A TRACT OF LAND IN THE SOUTHEAST 114 Of SECTION 30, TOWNSHIP 9 hptTM. RANGE 60 WEST, 6TH PRINCIPAL MERIDIAN, WELD OOUNTY. STAIEOFCCtDfU00 2 THE SITE SURVEY FOR THIS PROJECT WAS PREPARED BY LW SURVEY CO AND WAS RECtIVEL 12/13/2018 HOWZONTAL DATUM. BASED ON COLORAOO STA1 t PUWE COORDINATES, NORTH LONt, NMI 1 ✓�- III ::\ r r- 1 ( I 1 r I ` 3 I I I I ` 4 /1 I / N l , 1 ,(/ l `_ 1 = \1 t ` \ I �l ( \ I I r l l., I I`_ \ I I I I ( l f f I ' ( I I I I r I r 1' f I I I I I I r J r/ r /j J 1 I ` 1 I I I r 1 I I I ( I` I / I I r f I I I / I I I I I I I I I 1 � I I •� r I / I f, !1 I� I 1 I^� _ �J l I r 111 I I i ( / ` /' Li f "-' ` 'N -1 e� \ ` ` l ` \` ` � \ AMERICAN HORIZONTAL DATUM, 1983 (US SURVEY FEEY ) VERTICAL DATUM NORTH AMtRICAN VERTICAL DATUM l'kf.'f 3 MTUROLOGIC SOIL GROUP Lit TERMINATION IS FROM USDA W11UkAL RESCURGE CONStRVAT ION SERVICE WEB SOIL SURVEY • ♦ CONTOURS SHOWN ARE FROM USGS 10 METER OEMs FROM Tilt NATIONAL tit -VA -HON [WAS( \ l \ I I L I r 1 I I I`,-�- I I • I I I I C / I BASIN EX f( -1 !�� \�\ \�\ \ LEGEND \: \ )-' \� I 1 I I I I I / y \ � H I \\,.\\\ \ \ ( - EA1snNGMA1LM3cx)NrL1uR \ III \ \ ( \ I 1 / I l �. I I J L. I I L\ ) \ 1, I I \ I ` \ \ 1 ! \ 1/4( \' I I I \ I ( ! , 1 ( , DIVERSION DI ICFV 40 H sG I c ' l ; I 1 / ` 1' l ff 1 J! 1 / / ,X/ / // it r i r I i1 Ili \ I \\ S\` \ L \\ , \ \ \ f\ I1 `\ \\ \\ \ 5005 - _ 5002- - - txJSTING MINOR CONTOUR P1iOV'(YSEU MAJOR CONTOUR \�)\ ( / ,_ - 1 \ L _ l \ 1` ; SCitEENING BMA I \ 1 _f ` j , I \ \` \ \ \ •\ \ `yo-'\ 5005 \ \ / r \ I 1 1 1 L ,` t r( + 1 \ \ \ \ S00! PROPOSED MINOR tLJNTWR .` \ -Th- / ` DRAINAGE BASIN BOUNDARY L I -� tr- r _T I \ \ \ C ,� r� \\\'••••., I I I I I r `44 1 1c \ N. 9 ' ` JRAIIYWE BASIN FLOW PATH I h I I I -- . � � t HSG B �� \ \ ► I - . \ , N\� I \ I �_ \\ \ l'' I i (1 -I \\ \ \ \ \\ DRAINAGE FLOW O(RECTION H \ .\\\ \ \ \ ,� 1 i I t / / - ` ~ \ \\ \ / Iit 1/ I 1 1 i I /\• r \ `` , _ .� : I 1. - \\N. -... --- \ \ \ \ \P N. \ \ 70 nYOFiOLJuK SOIL GRUU (USGS) HSG A \ .N. J \,, \ \\.\ t ‘ \\ Li t, \. •) ) ! i,, \ id \ \ LEASE BCAJNOARY \ \ \ ill \ \ `\ \ \ �► I J - - I \\I \ I I .. . i" -_ - \ �- I I • ,, \\ 1 \ ` I 11 NRCS WEB SOIL SURVEY DATA \ \ \ \ \ \ \ '1 I '_ \ I 1 \ \ ` II•_ eS _ -a .. ._ I', ( BASIN -1 ` I t ? 1 \\\ \ l ) ► 1. ` \ \ 1 I I I ' :. I . -.- I J \ „ l I \ UNIN)1 MAP soli NAM/ SOI� OUP \�\l,C\ 1 ...• �` SYMBOL RATING 1 ) ,yA0 , ) I -•� i' 1 Sv - I I l� I\ l `� /\/ t` 1 \ \ \ \ I l r ( ri I I I i I I I I �s a 11 ii i 4•s 1 1 I �` _ IC MAR MA'.LANOLA COWLEY (0%70 3% SLOPES) I 1 l l I 1 \' II 1 _ _ I l: l \ \ lb MAN7A31QA CLAY LOAM cox ro 3%sLovEs) C \} t 1 I III ` p L II✓I;'`j1!('III IM}�}fr-- ITN I I I �. \. L \ 1\! l`40 MJNNLOAM(0%TO6%Si ODES) C 1 \ \� r 1I ` �rf� \\ \ 44 (X MY FINE SANDY LOAM (0% TO 6% SLOPES) el I I I II \ l I �) 1 — \ �, S r \ pJ T BASIN? PR- ' II \,` \ \ ut $I(NIEnAM FINE ,ANDY LOAM (Ox T06%SLOPES) N 1 `• "• _ 1.1 iJ I cw PLAYAS r / ( 1 �\ \ �. ...:.. I \\ I I / I ' 1 , \\ ll _ 1 ri I \ • - 1 ( I \ ) k `• j___ ,,1 T I` y . ` ` \ f r� ` J .1/4 •••••• ,trjr....... %.., C Iti-bgalliejiiiiiii -. e- �� - \ \ _t\�\�� - • \ ' _ ___ -- _- its _ • \\ `'_ �A� I _ -.:V3T / - ` \ \ �, g l i „I ��` \` \ \ \ \ �, e . \ • / l � ,l \ I - lk •i, 1 '-� -- '• G.I -, L - .�•t10.r1- - !�tv - rid N . _ r 47. — _��\ — _ ini----:L=--- ` v -••• ��\ I 7 ; _ LI `1 l \ ` Lt ee ..j t••_• N.T ....- \ \\ � _� Na, •HSG C ` \. ix `-• ` 1 > > \ ` f / I `\ "•%\s• \ `\\ I\ 1 'l ` �' 493sNORTH — L ._ \ , —♦vas �_ l l r 4 DRAINAGE BASIN SUMMARY BASIN DESIGN POlN1 DESOIIPI IOI. CDNTRIBU I MG AREA (ACRES) HYDROLOGIC SOIL GROUP(nSG) IMPERVIOUS AREA (%) BASIN FLOW LENGTH BR) BASIN FLOW SLU12 (x) 1O-YR RUNOFF COEFFICIENT C„ 100-YR RUNOFF COEFFICIENT C _ 10•rR PEAK FLOW RATE (CFS) Q,.. 100-Y'R PEAK FLOW RATE (CFS) Q. PR, i Pk 1 EAST DRAINAGE BASIN TRIBUTARY TO EAST DETENTION PAD 10 lb C BO 2114 U 50 0 72 r : R. JO /5 0,. ,; (n) PR I PR I 10 YR HISTORIC PEAK FLOW RATE FOR BASIN TRIBUTARY IC) EAST DETENTION POND 10 )G C 2 2170 0.50 0 15 1 91 PR -1 PRd WEST DRAINAGE BASIN TRIBUTARY TO WES DETENTION 59 1B C CO 3♦♦B J 050 0 61 a 15 Si 3.1 11♦ 09 '�- 501 _ 0 150II FOR ;me, For Information Only (H) PR 1 PR , 10-YR MSTORJC PEAK FLOW RATE BASIN TRIBUTARY TO WEST DETENTION POW':SCALt 5q Hi . 2 f♦♦b 0 so L i.• tl tlr - 250 iiij+ss9Rag Not For ConstruRlun .e110 •I:tn.o,ura+ad •M rIV rio.0 yf Fr �K. w Sru.N aY wic .ry r. I. hen ,rropana salt . i. LA.na•Ytaa •� t osa *s.row. o'4. Use. ,r a, &Weser of WV rare Swtt.1-A; n pen. «a 's: sys - ,ter aiuat) 'anete, me • . aarr.-KO £•.., o•natal...r astral va be .f rF• sMF.•sadV-.a-. 50 - • J • 2JV -.• 1TLE • •.• CUREfON MIDSTREAM .e- a WELD COUNTY. CU ® CURETI�N moo 1 E1 Q (I (1{4f49 I....M: M CLOUD 12128)2018 HOOK SIDE GAS PLANT 60l7Mh15CFU CRYOGENIC GAS PLAN l CIVIL OEVEIOPtU DRAINAGE BASIN MAP 18189 o.«.. N CLOUD 1'/2812018 DRAWINU NLrMNtk MTC MAS A ISSUED FOR PERMIT 18 2/28/1 MTC 0.“..0CMF o N LSMFY 1212$12018 Samuel Engineering Wa Pro+&. EoN,hur.s •.Luaw ... . 4 . # - o . • . ... w . T / S 4g " ti t w. ..... ... .o . as•.o.rr HSGP-CE-611 A R E F E R t N C E DRAWINGS R E V I S , O N S ��.� r: S 1 o N S nut. UeVtr Mania a,e.00 F.m Ali I'iW0 G>,r�a =nye CO Kattf F,- 1W 70,4100 1 J-3 G I H DRAINAGE REPORT REVIEW CHECKLIST Project Name: USR19-0004 Cureton Hookside The purpose of this checklist is to provide the applicant's Engineer a basic list of items that County Staff will review in regards to a drainage report. The drainage design shall meet the requirements of the Weld County Code and commonly accepted engineering practices and methodologies. A detention pond design (or other stormwater mitigation design) is appropriate for projects which have a potential to adversely affect downstream neighbors and public rights -of -way from changes in stormwater runoff as a result of the development project. The design engineers role is to ensure adjacent property owners are not adversely affected by stormwater runoff created by development of the applicant's property. REPORT (O = complete, O = required) IXJ Stamped by PE scanned electronic PDF acceptable Certification of Compliance Variance request, if applicable Description/Scope of Work t Num ber of acres for the site Methodologies used for drainage report & analysis Design Parameters Design storm El Release rate ZURBANIZING or NON -URBANIZING ❑Overall post construction site imperviousness — See Below Soils types Discuss how the offsite drainage is being routed Conclusion statement must also include the following: ❑Indicate that the historical flow patterns and run-off amounts will be maintained in such a manner that it will reasonably preserve the natural character of the area and prevent property damage of the type generally attributed to run-off rate and velocity increases, diversions, concentration and/or unplanned ponding of storm run-off for the 100 -year storm. How the project impacts are mitigated. Construction Drawings Drawings stamped by PE, (scanned electronic PDF preferred) Drainage facilities Outlet details Spillway Maintenance Plan Frequency of onsite inspections Repairs, if needed Cleaning of sediment and debris from drainage facilities X X X X X ZVegetation maintenance ❑Include manufacturer maintenance specifications. if applicable Comments: 1. The submitted report was conceptual in nature. There may be further comments on items that were not submitted in the preliminary report. Please provide the impervious calculations for the site, detention basin stage -storage, detention basin outlet structure design, emergency spillway design, culvert and swale design, construction drawings. and any other pertinent design documents. 2. Please clarify the basins on the developed basin map. I cannot tell where Basin PR -1 and PR -2 are designated. 4/11/2018 ,uto Weld County •Ca�rt�t• Department of Public WorksI Development Review 1111 H Street, Greeley, CO 80631 I Ph: 970-400-3750 I Fax: 970-304-6497 www.weldgov.com/departments/public_works/development_ review/ DRAINAGE REPORT REVIEW CHECKLIST 3. When calulating the runoff for the historic and proposed sites. please use the same "generation" of UD worksheets. The newer UD-Rational worksheet used is calculated using different time of concentration equations than the older UD-Detention. Please contact Public Works with any questions. 4. Page 3 of 7, Section 2.2.1 refers to two east ponds. 5. Page 4 of 7, Section 2.2.2 refers to a natural depression. I think this may be from a different report. It does not appear that the natural depression on this site is being used for detention. 6. Page 5 of 7, Section 2.3.1 says that the site culverts on the site will pass the 10 -year storm. Depending on the location of the culvert, it may be required that the culvert pass the 100 -year storm. 7. Once the revised design and drainage report have been submitted, the County may provide additional comments in addition to the ones listed above. Depending on the complexity of the changes made, a full 28 -day review period may be required. 8. Please provide a written response on how the above comments have been addressed when resubmitting the drainage report. Thank -you. 4/11/2018 ni Weld Coun o orado Department of Public Worksl Development Review 1111 H Street, Greeley, CO 80631 I Ph: 970-400-3750 I Fax: 970-304-6497 www.weldgov.com/departments/public_worksidevelopment_review/ Weld County Public Works Dept. 1111 H Street P.O. Box 758 Greeley, CO 80632 Phone: (970)304-6496 Fax: (970)304-6497 Property Owner Name Company Gabel Cattle, LLC Address P.O. Box 717 City Galeton Phone 970.483.7327 Fax State CO Zip 80622 E-mail cdse@herdco.net ACCESS PERMIT APPLICATION FORM Authorized Agent/Applicant (if different from Owner) Name Nicholas Holland Company Cureton Front Range. LLC Address 518 17th Street. Suite 1405 City Denver Phone Fax 720.390.4506 State CO Zip 80202 E-mail nick.holland@curetonmidstream.com Parcel Location Existing County Road Surface Information The access is on WCR 100 Asphalt Gravel X Treated Other Nearest Intersection: WCR 100 & WCR 99 WCR 100 & WCR 99 are gravel Dist. from Intersection (approx. in ft.) surfaces & rest on 60 feet of ROW Parcel Number(s) 0467-30-0-00-002 Section/Township/Range S30, T9N, R60W Total # of Existing Accesses to parcel 0 Proposed Use U Temporary (Tracking Pad Required) (#) n Small Commercial (#) Proposed Access Information Two 15 -Inch Culvert Size & Type (15" CMP/RCP min.` RCP Culverts Materials used to construct access CDOT Class 6 Gravel Access Construction Start Date July 2019 Access Construction Finish Date October 2019 o Single Residential (#) i. Oil & Gas (#) a Large Commercial 1#) i Industrial (U) Field (Agriculture Only) j#) o Subdivision I#) Is this access associated with a Planning or Building Department Process? USR/MUSR ❑ RECX/SUBX n PUD I WOGLA n COMPLEX (IA required) o Other Planning/Building Department case # USR19-0004 Required Attached Documents - Traffic Control Plan (a generic plan can be found at https://www.weldgovecomidepartmentsipublic workslpermits/) During the review process it may be determined that a right-of-way use permit will be required as well. - Certificate of Insurance (with "Weld County, Colorado" listed as the certificate holder & as an additional insured) - Access Pictures (from the left, right, into & out of the access — N, S, E, & W) - Access Authorization Form (Not required if the application is signed by the landowner.) Fee schedule (to be determined by permitting agency) - S75 each access point: Temporary, Small Commercial, Oil & Gas, Single Family Residential - 5150 each access point: Industrial, Large Commercial, Subdivisions - Field (Agriculture only): no cost Parcel Sketch (or provide an aerial on an add'I sheet) A = Existing Access Li= Proposed Access WCR u N Approximately 843 Feet WCR 100 Description of Work or Reason for Permit This is one of two access permits Cureton Front Range, LLC is requesting to access its Hookside Project site from Weld County Road (WCR) 100. This is for the truck entrance. This access point is proposed approximately 843 feet west of the WCR 100 and WCR 99 intersection. By accepting this permit, the undersigned Property Owner/Authorized Agent, under penalty of perjury, verifies they have received all pages of the permit application; they have read and understand all the permit requirements and provisions set forth on all pages. By virtue of their signature the Property Owner/Authorized Agent is bound by and agrees to comply with all said permit requirements and provisions, all Weld County ordinance and state laws regarding access construction. Signature _ Printed Name Nicholas Holland Date 3/19/2019 Signature Printed Name Date (In case of multiple Property Owners/Authorized Agents) • Access Permits are good for 1 year from the date of issuance. Property Owner/Authorized Agent must obtain a new permit or request an extension If the construction of the access point is not completed in that timeframe. • Extensions are subject to approval by Public Works • County regulations on road access can be found in Article V of Chapter 12 of the Weld County Code. Document must be filed electronically. Paper documents are not accepted. Fees & forms are subject to change. For more information or to print copies of filed documents, visit www.sos.state.co.us. -Filed Colorado Secretary of State Date and Time: 07/18/2017 01:42 PM ID Number: 20171539368 Document number: 20171539368 Amount Paid: $100.00 ABOVE SPACE FOR OFFICE USE ONLY Statement of Foreign Entity Authority filed pursuant to § 7-90-803 of the Colorado Revised Statutes (C.R.S.) 1. The entity ID number, the entity name, and the true name, if different, are Entity ID number 20171539368 (Colorado Secretary of State ID number) Entity name Cureton Front Range LLC True name (if different from the entity name) 2. The form of entity and the jurisdiction under the law of which the entity is formed are Form of entity Foreign Limited Liability Company Jurisdiction Delaware 3. The principal office address of the entity's principal office is Street address 2021 McKinney Avenue, Suite 1250 Mailing address (leave blank if same as street address) (Street number and name) Dallas (City) (Province — if applicable) TX 75201 (State) (ZIP/Postal Code) United States (Country) (Street number and name or Post Office Box information) (City) (Slate) (ZIP/Postal Code) (Province — if applicable) (Country) 4. The registered agent name and registered agent address of the entity's registered agent are Name (if an individual) or (if an entity) The Corporation Company (Caution: Do not provide both an individual and an entity name.) AUTHORITY (First) (Middle) (Suffix) Page 1 of3 Rev 12/01/2011 (Last) Street address 7700 E ARAPAHOE RD STE 220 (Street number and name) CENTENNIAL CO 80112-1268 (City) (State) (ZIP Code) Mailing address (leave blank if same as street address) (Street number and name or Post Office Box information) (City) CO (State) (The following statement is adopted by marking the box.) ❑✓ The person appointed as registered agent above has consented to being so appointed. (ZIP Code) 5. The date the entity commenced or expects to commence transacting business or conducting activities in Colorado is 07/20/2017 (mnridd/yyy)) 6. (If applicable. adopt the follow ing statement by marking the box and include an attachment.) ❑ This document contains additional information as provided by law. 7. (Caution: Leave blank if the document does not have a delayed effective date. Stating a delayed effective date has significant legal consequences. Read instructions before entering a date.) (If the following statement applies, adopt the statement by entering a date and, ((applicable, time using the required format.) The delayed effective date and, if applicable, time of this document is/are (mm/dd/yyyy hour: minute am/pm) Notice: Causing this document to be delivered to the Secretary of State for filing shall constitute the affirmation or acknowledgment of each individual causing such delivery, under penalties of perjury, that the document is the individual's act and deed, or that the individual in good faith believes the document is the act and deed of the person on whose behalf the individual is causing the document to be delivered for filing, taken in conformity with the requirements of part 3 of article 90 of title 7, C.R.S., the constituent documents, and the organic statutes, and that the individual in good faith believes the facts stated in the document are true and the document complies with the requirements of that Part, the constituent documents, and the organic statutes. This perjury notice applies to each individual who causes this document to be delivered to the Secretary of State, whether or not such individual is named in the document as one who has caused it to be delivered. 8. The true name and mailing address of the individual causing the document to be delivered for filing are Vanlandingham Brooks (Last) (First) 600 Travis Street, Suite 2800 (Middle) (Suffix) (Street number and name or Post Office Box information) Houston TX 77002 (City) (State) (ZIP/Postal Code) United States . (Province— if applicable) (Country) (If the following statement applies, adopt the statement by marking the box and include an attachment.) O This document contains the true name and mailing address of one or more additional individuals causing the document to be delivered for filing. AUTHORITY Page 2 of 3 Rev 12/01/2011 Disclaimer: This form/cover sheet, and any related instructions, are not intended to provide legal, business or tax advice, and are furnished without representation or warranty. While this form/cover sheet is believed to satisfy minimum legal requirements as of its revision date, compliance with applicable law, as the same may be amended from time to time, remains the responsibility of the user of this form/cover sheet. Questions should be addressed to the user's legal, business or tax advisor(s). AUTHORITY Page 3 of 3 Rev. 12/01/2011 Delaware The First State I, JEFFREY W. BULLOCK, SECRETARY OF STATE OF THE STATE OF DELAWARE, DO HEREBY CERTIFY THE ATTACHED IS A TRUE AND CORRECT COPY OF THE CERTIFICATE OF FORMAT I ON OF "CURETON FRONT RANGE LLC", F I LED IN THIS OFFICE ON THE FOURTEENTH DAY OF JULY, A. D. 2017, AT 6:53 O'CLOCK P. M. 6478787 8100 SR# 20175250125 You may verify this certificate online at corp.delaware.gov/authver.shtml Page 1 Authentication: 202892634 Date: 07-17-17 CERTIFICATE OF FORMATION OF CURETON FRONT RANGE LLC I, the undersigned natural person of the age of eighteen years or more, acting as an authorized person of a limited liability company under the Delaware Limited Liability Company Act, as amended, do hereby submit the following Certificate of Formation for such limited liability company: 1. The name of the limited liability company is Cureton Front Range LLC. 2. The address of the limited liability company's initial registered agent in the State of Delaware is Corporation Trust Center, 1209 Orange Street, City of Wilmington, County of New Castle, Delaware 19801. The name of its registered agent at such address is The Corporation Trust Company. IN WITNESS WHEREOF, I have hereunto set my hand this 14th day of July, 2017. /s/ Brooks Vanlandingham Brooks Vanlandingham, Authorized Person HOU:0027586/00007:1908384v1 State of Delaware Secretary of State Division of Corporations Delivered 06:53 PM 07/14/2017 FILED 06:53 FM 07/14/2017 SR 20175250125 - FileNumber 6478787 ACORU® CERTIFICATE OF LIABILITY INSURANCE kt.....---- DATE (MMIDD/YYYY) 2/28/2019 THIS CERTIFICATE IS ISSUED AS A MATTER OF INFORMATION ONLY AND CONFERS NO RIGHTS UPON THE CERTIFICATE HOLDER. THIS CERTIFICATE DOES NOT AFFIRMATIVELY OR NEGATIVELY AMEND, EXTEND OR ALTER THE COVERAGE AFFORDED BY THE POLICIES BELOW. THIS CERTIFICATE OF INSURANCE DOES NOT CONSTITUTE A CONTRACT BETWEEN THE ISSUING INSURER(S), AUTHORIZED REPRESENTATIVE OR PRODUCER, AND THE CERTIFICATE HOLDER. IMPORTANT: If the certificate holder is an ADDITIONAL INSURED, the policy(ies) must have ADDITIONAL INSURED provisions or be endorsed. If SUBROGATION IS WAIVED, subject to the terms and conditions of the policy, certain policies may require an endorsement. A statement on this certificate does not confer rights to the certificate holder in lieu of such endorsement(s). PRODUCER Marsh Wortham, a division of Marsh USA, Inc. 5950 Sherry Lane, Suite 500 Dallas, TX 75225 www.dallas.worthaminsurance.com NAME: CT Ruth Bangs PHONE FAX (A/C. No. Ext): 469-759-1754 (A/C, No): E-MAILDDSS: ruth.bangs@worthaminsurance.com INSURER(S) AFFORDING COVERAGE r NAIC # INSURER A: Federal Insurance Company I 20281 INSURED Cureton Front Range LLC Cureton Holdco, LLC Fossett Columbine, LLC 518 17th Street, Suite 650 Denver CO 80206 INSURER B: AXIS Surplus Insurance Company 26620 INSURER C: Arch Insurance Company 11150 INSURERD: INSURER E : INSURER F : COVERAGES CERTIFICATE NUMBER: • THIS IS TO CERTIFY THAT THE POLICIES OF INSURANCE LISTED BELOW HAVE BEEN ISSUED TO THE INSURED NAMED ABOVE FOR THE POLICY PERIOD INDICATED. NOTWITHSTANDING ANY REQUIREMENT, TERM OR CONDITION OF ANY CONTRACT OR OTHER DOCUMENT WITH RESPECT TO WHICH THIS CERTIFICATE MAY BE ISSUED OR MAY PERTAIN, THE INSURANCE AFFORDED BY THE POLICIES DESCRIBED HEREIN IS SUBJECT TO ALL THE TERMS, EXCLUSIONS AND CONDITIONS OF SUCH POLICIES. LIMITS SHOWN MAY HAVE BEEN REDUCED BY PAID CLAIMS. INSR LTRINSD TYPE OF INSURANCE ADDL SUBR WVD POLICY NUMBER POLICY EFF (MM/DD/YYYY) POLICY EXP (MM/DDNYYY) I LIMITS A � �/ I COMMERCIAL GENERALIABILITY II ✓ OCCUR Time -Element ,1 , 3604-54-01 19/14/2018 9/14/2019 ' EACH OCCURRENCE I $ 1,000,000 CLAIMS -MADE DAMAGE TO RENTED PREMISES (Ea occurrence) $ 1,000,000 r ,/Includes GEN'L ' S&A MED EXP (Any one person) $10,000 Pollution I PERSONAL&ADVINJURY $1,000,000 AGGREGATE LIMIT APPLIES PER POLICY , PRO JECT _� l LOC -J OTHER: GENERAL AGGREGATE $ 2,000,000 PRODUCTS-COMP/OPAGG $2,000,000 $ A AUTOMOBILE __ ✓_l LIABILITY i ANY AUTO OWNED AUTOS ONLY _ HIRED AUTOS ONLY p SCHEDULED AUTOS NON -OWNED ✓1 AUTOS ONLY 7360-47-65 9/14/2018 9/14/2019 (Ee aBadeDtSINGLE LIMIT $ 1,000,000 BODILY INJURY (Per person) $ BODILY INJURY Peraccident ( ) $ PROPERTY DAMAGE (Per accident) $ $ A / UMBRELLA LIAB ✓ i OCCUR EXCESS LIAB I ' CLAIMS -MADE 7818-68-33 9/14/2018 9/14/2019 EACH OCCURRENCE $ 5,000,000 AGGREGATE $5,000,000 I DED I RETENTION $ $ A WORKERS COMPENSATION AND EMPLOYERS' LIABILITY ANYPROPRIETOR/PARTNER/EXECUTIVE OFFICER/MEMBER EXCLUDED? (Mandatory in NH) If DESCRIPTION s, N unOF er OF OPERATIONS O Y 1 N I N/A 7175-50-19 9/14/2018 II 9/14/2019 PER OTH ✓ STATUTE ER 1,000,000 E.L. EACH ACCIDENT $ 1,000,000 below E.L. DISEASE - EA EMPLOYEE $ 1,000,000 E.L. DISEASE - POLICY LIMIT $ B C Excess Liability Excess Liability i EAU626209 19/14/2018 UXP1014788-01 9/14/2018 9/14/2019 9/14/2019 10,000,000 Aggregate 10,000,000 Aggregate DESCRIPTION OF OPERATIONS / LOCATIONS / VEHICLES (ACORD 101, Additional Remarks Schedule, may be attached if more space is required) Additional Insured: Weld County, Colorado The General Liability and Auto Liability include an automatic additional insured endorsement that provides Additional Insured status to the certificate holder when there is a written contract between the named insured & the Certificate Holder. CERTIFICATE HOLDER CANCELLATION Weld County, Colorado PO Box 758 1111 H Street Greeley CO 80632 SHOULD ANY OF THE ABOVE DESCRIBED POLICIES BE CANCELLED BEFORE THE EXPIRATION DATE THEREOF, NOTICE WILL BE DELIVERED IN ACCORDANCE WITH THE POLICY PROVISIONS. AUTHORIZED REPRESENTATIVE Marsh Wortham, a division of Marsh USA, Inc. ACORD 25 (2016/03) © 1988-2015 ACORD CORPORATION. All rights reserved. The ACORD name and logo are registered marks of ACORD 47303394 126CJROTMID 117/18 GL, 9A, JM9, WC I Ruth Bangs 12/28/2019 12:37:28 ?M ;CST) I ?age 1 o£ 1 Typical Traffic Control Plan Diagram Notes: I . The above diagram is typical for normal shoulder work applications. Additional signing may be required. 2. Vehicles or construction equipment shall not be parked in the travel way and should be moved to the shoulder. If vehicles or construction equipment are not able to be moved out of the way of traffic, channelizing devices are required for day use only. No night time obstructions are allowed. mxd User rdoty N 3 0 c a U a W J a CC z in s_ U) c ci re; d C 6 co 8D_ co 73 7,- _ - . lipl' 91�i_ - , .... ' r 540' 1; 14 lier—K t l t S. mit 1. _.. �p ..fir � • r .. - h t OF P..., 540' #�- ,• i "o ---lir is..., • • Al ,. w �4 . 20' Cone Spacing 20' Cone Spacing .� 1. * .. - �•4 - - I- a WCR 100 Y , 1t x•• 1 Data Source. ESRI - World Imagery o 100 200 i Legend 9 Access Point Hookside Compressor Station & Gas Processing Plant Construction Area Road Cone Road Sign Hookside Compressor Station & Gas Processing Plant Weld County. Colorado Olsson Project # 018-2184 Traffic Control Plan GU33¼#I1 r--- 1 inch = 200 feet Q ..` .r. r .� is ♦n Till - � el. ^ r. l^ .l?5 { � 1. "...J.?' r V . tom• hf t __. `. . .r1 • .? \. 4.. fib' 4 • y.,�. o �. ...7.,.....,„ ,,.. , r _ ,r~•.4I✓ �•- �. - .. `-'4V `Pies two w .,y 'yv. �- nyr�.a. r11,"y) CURETON MIDSTREAM 518 17'" STREET, SUITE 1405 DENVER, CO 80202 PHONE: 303-324-5967 CURETON FRONT RANGE, LLC DECOMMISSIONING PLAN HOOKSIDE COMPRESSOR STATION AND CRYOGENIC GAS PROCESSING PLANT JANUARY 2019 Cureton has no intention of ceasing operations of the Hookside Compressor Station and Cryogenic Gas Processing Plant once it is operational; however, should operations at the plant cease, the facility closure will follow all applicable regulations. Cureton will remove the equipment, buildings, and all of the facility components in accordance with Colorado Oil and Gas Conservation Commission (COGCC) regulations. Where possible, materials will be reused or recycled. Where required, materials to be disposed or recycled will be removed by a licensed contractor and transported to a location or facility that is permitted or otherwise authorized to accept such materials. Cureton will comply with all COGCC regulations regarding site restoration. Cureton Hookside- Cryogenic Plant, Gas Compression and Pipelines, Cultural Resources Technical Memo Cureton Hookside-Cryogenic Plant, Gas Compression and Pipelines, Cultural Resources Technical Memo Weld County, Colorado AK Pioneer Consulting 1768 Bluebird Dr. Bailey, CO 80421 TYPE OF WORK Desktop Diligence Study PRINCIPAL INVESTIGATOR Arnie Gray AUTHOR(S) Kimberly Bailey and Arnie Gray DATE December 17, 2018 Cureton Hookside Cryogenic Plant, Gas Compression and Pipelines Cultural Resources Technical Memo Weld County. Colorado Dec. 17, 2018 List of Acronyms AKPC AK Pioneer Consulting, LLC GLO General Land Office NRCS Natural Resources Conservation Services NRHP National Register of Historic Places OAHP Office of Archaeology and Historic Preservation USDA United States Department of Agriculture USGS United States Geological Survey Cureton Hookside Cryogenic Plant, Gas Compression and Pipelines Cultural Resources Technical Memo Weld County, Colorado, Dec. 17, 2018 Table of Contents Introduction 1 Environment 1 Present Environment 1 Hydrology 2 Topography and Geology 2 Soils and Depositional Settings 2 Natural Vegetation and Wildlife 2 Present Built Environmental Setting 3 Culture History and Previous Work 3 Paleoindian Stage (12,040-5740 B.C.) 3 Archaic Stage (5500 B.C.—A.D. 150) 4 Late Prehistoric (A.D. 150-1540) 4 Post -Contact (A.D. 1540 —present) 4 Previous Work and Records Review 6 Historic Maps and Aerials 8 Summary and Recommendations 10 References Cited 11 Cureton Hookside Cryogenic Plant, Gas Compression and Pipelines Cultural Resources Technical Memo Weld County, Colorado, Dec. 17, 2018 List of Figures Figure 1 Cureton Hookside project location Figure 2 Cureton Hookside project watersheds Figure 3 Known Cultural sites, landmarks, and inventories Figure 4 1872 GLO Survey Plat, T9N, R60W, Sec 30 Figure 5 1972 USGS Keota NW 7 5' Topo Quad List of Tables Table 1 Culture History of the Platte River Basin Table 2 Previous inventories within 5 mile of the Project Table 3 Cultural Resources within 5 mi of the Project List of Attachments Attachment A Inadvertent Discovery Plan for Cureton Front Range, LLC's Hookside Project 1 2 8 9 9 3 7 7 Cureton Hookside Cryogenic Plant, Gas Compression and Pipelines Cultural Resources Technical Memo Weld County Colorado Dec 17 2018 Introduction Cureton Front Range, LLC (Cureton) is in the process of expanding its operations in Weld County, Colorado. Cureton's is proposing a compressor station. and a gas processing plant and interconnecting pipelines for the purpose of processing and the transportation of raw natural gas through gas pipelines. This report was prepared in support of Cureton's Use by Special Review (USR) Permit Application and associated documentation to obtain a permit for the construction of three cryogenic plant trains: (1) a 20 -million standard cubic foot per day (MMscfd) train. (2) a 60-MMscfd train, and (3) a 200-MMscfd train, and a 60-MMscfd compressor station on Cureton- owned property. This construction is collectively referred to as the Hookside Project (Project). Olsson, Cureton's contractor assisting them with the preparation of the USR Permit Application, contracted AK Pioneer Consulting (AKPC) to complete a desktop diligence study of the Project. This technical memo provides important information for Project planning and supports Weld County's goals "to record and preserve archeological, cultural and historic resources" prior to and during construction (Article V, Section 22-5-120.F, Natural Resource (NR) Goal 6 of Weld County's Comprehensive Plan). The Project is approximately 35 miles northeast of Greeley in Section 30 of Township (T) 9N and Range (R) 60W (Figure 1). The Project is on private land. Cureton proposes to construct three cryogenic plant trains: (1) a 20- MMscfd train, (2) a 60-MMscfd train, and (3) a 200-MMscfd train, and a 60-MMscfd compressor station on Cureton-owned land in northeastern Colorado. The Project area encompasses approximately 162 acres, including approximately 8 acres for temporary staging during construction. Environment Present Environment vCN cmOSS .S. N w..d r •:ay C ironwood Mi :. • /.; Weld Mews e, fou Cureton Hookside Project- Location Grcys.c &nai!• Vaal County 5 '°"'�" The Project is approximately 5 miles east �_ I I of Crow Creek, a tributary of the South �nvNorth.)rsal ansvanDatucator983el3 North American Datum of '983 Platte River. in the South Platte River `M"`�''0°�5'r�''�"�'°R`",r�" ta�-SA A Basin within the Colorado Piedmont of the eastern High Plains physiographic province. It is in a semiarid climate zone with moderate precipitation throughout the year with up to 80 percent falling between April and September. Summers are warm to hot with a daily maximum of 95 Fahrenheit (F). Winters are cold and sometimes severe with extreme low temperatures of 15 F below zero. Average elevation for the area varies from 4,000 to 5,000 feet above sea level (Western Regional Climate Center 2016: Williams and Chronic 2014). ,600.000 PIT Simms: eon MERE. OuLornw 'reemrap., increment P Corp GreCO LEGS FAG NPS. NRCAN. Geneses ;GM. Kadlrar NL. Ordrranct Sur. cm Ear, :opt MET. Earl Chine (Honp Konpt. awvelike°. Nap frInda. C OparStreetMap Figure 1. Cureton Hookside project location. 1 Cureton Hookside Cryogenic Plant. Gas Compression and Pipelines Cultural Resources Technical Memo Weld County. Colorado, Dec. 17 2018 Hydrology Crow Creek a Crow • I • • .• • . • a 4 Cureton Hookside Project - Watershed Protect Parcel Colorado Major Streams Streams LakerPond Adpcent Watershed �l 1.140.000 Pawnee L C L_ Crow 0 2.5 5 Miles --i Universal Transverse Mercator one 13N North Arne+scan Datum of 1983 414 i s • • e Pawnee • • I Middle f s South ' a Platte -Sterling I, - r i Service Layer Credits : OpenStreetMap land) contntMors. CC -BY -SA USDANRCS - National Geoscatlal Center of Etoelence Title 9 Digit'/ tershed Boundary Dataset Figure 2. Cureton Hookside project watersheds. The Project is within the Pawnee watershed (Figure 2). Thompson and North Star reservoirs are the largest water bodies in the area. Other notable waterbodies near the Project include Bidwell and Dutch Girl Lakes and Wildhorse Reservoir. A small playa in the southwest corner of the parcel is currently dry. Topography and Geology The Project is in the eastern High Plans of Colorado generally characterized by broad, open. gently rolling uplands. Beneath the plains is the Ogallala Formation composed of Tertiary sand, gravel and clay washed down from the Rocky Mountains. The Project is on the South Platte River terrace largely comprised of Cretaceous Pierre Shale atop older Mesozoic and Paleozoic rocks. The shale deposits are a productive resource for oil and gas extraction activities. The Front Range of the Rocky Mountains is easily visible to the west on a clear day. Soils and Depositional Settings There are four soil types within the Project parcel. The four soil types include: Manzanola clay loam. 0 to 3 percent slopes; Nunn loam, 0 to 6 percent slopes; Olney fine sandy loam, 0 to 6 percent slopes: and Playas. The largest soil type in the Project area is the Nunn loam. The highest potential for buried cultural materials within the vicinity of the Project exists near water resources. Due to high eolian activity in the vicinity of the Project. subsurface cultural materials are likely and are often found in agricultural fields brought to the surface from tilling and other activities. Natural Vegetation and Wildlife The Project is in the High Plains ecoregion (Chapman et al. 2006). Prior to settlement in the area.. vegetation was largely short grass prairie comprised of blue grama, buffalograss, needlegrass. and wheatgrass. Today the vegetation is dominated by pasture or cropland. Common shrubs in the Project area include saltbush and winterfat. Animal species in the ecosystem include but are not limited to: mule or white-tailed deer, fox, coyote, prairie -dog, rabbit, skunk, Bobwhite quail, mourning dove. hawks, owls, wild turkey, pheasants, snow geese and pronghorn. Rattlesnakes and bullsnakes are the common reptiles. Major fish species include carp, suckers, sunfish, minnow, and shiner species (NRCS 2009). 2 Cureton Hookside Cryogenic Plant. Gas Compression and Pipelines Cultural Resources Technical Memo Weld County. Colorado. Dec. 17. 2018 Present Built Environmental Setting The present built environment reflects modern land use patterns in the region. Development is predominantly related to agricultural and rangeland, transportation, utilities and the oil and gas industry. Ranching and farming complexes. fences. transmission lines and substations, paved and unpaved roads, pipelines and utility metering facilities comprise most of the modern structures and objects in the viewshed. Culture History and Previous Work The Project Area is in the upper Platte River Basin. The following discussion is based on Colorado Prehistory: A Context for the Platte River Basin (Gilmore et. at 1999), Colorado Plains Historic Context (Mehls 1984), and Colorado History: A Context for Historical Archaeology (Church et. al. 2007). The history of Native Americans in the Platte River Basin is divided into three major stages. Paleoindian, Archaic and Late Prehistoric. The Post -Contact period, the fourth stage. describes the dynamic interactions between Native Americans and non -Native Americans from early contact to the 20th Century. The stages are further subdivided into cultural periods, as discussed below and presented in Table 1. Table 1. Culture History of the Platte River Basin. Stage Period Date Range Paleoindian 12,040-5740 B.C. Clovis (12.040-9750 B.C.) Folsom (11,340-8720 B.C.) Plano (10.850-5740 B.C.) Archaic 5500 B.C.—A.D. 150 Early Archaic (5500-3000 B.C.) Middle Archaic (3000-1000 B.C.) Late Archaic (1000 B.C.—A. D. 150) Late Prehistoric A.D. 150-1540 Early Ceramic A.D. 150-1150 Middle Ceramic A.D. (1150-1540) Post -Contact (Protohistoric) A.D. 1540 —present Paleoindian Stage (12,040-5740 B.C.) During the late Pleistocene and early Holocene, Colorado was cooler and wetter than today. Now -extinct megafauna including mammoth, camel and sloth were plentiful. The majority of archaeological sites dating to the Paleoindian Stage are game kill and processing sites. Tool kits contain large. highly crafted, flaked -stone tools. This stage is subdivided into three periods: the Clovis period, the Folsom period, and the Plano period. The Clovis period is noted for its large, fluted lanceolate projectile points. The Folsom period, which represents the beginning of a transition to smaller -game hunting, is noted for smaller. pressure -flaked and fluted lanceolate dart points used to hunt bison antiquuas. Tools continued to decrease in size and undergo morphological changes during the Plano period. Lanceolate and stemmed dart points are typical of Plano period sites. 3 Cureton Hookside Cryogenic Plant. Gas Compression and Pipelines Cultural Resources Technical Memo Weld County Colorado. Dec. 17, 2018 Archaic Stage (5500 B.C.-A.D. 150) The cultural adaptations of the Archaic Stage coincide with the Altithermal, a warming and drying trend that resulted in environmental conditions similar to the present. Modern Holocene species replaced the earlier Pleistocene fauna, enabling diversification of plant resources and subsistence strategies. The Archaic Stage is subdivided into three periods: Early, Middle and Late. Tool kits of the Middle Archaic period are diversified with more varieties of ground stone and smaller projectile points including stemmed and notched forms. Stone boiling firepits, storage cists and architectural features are evident. Late Archaic projectile points are large corner -notched and side -notched dart points. Grinding stones, butchered bone and bone tools, and floral remains are common on Late Archaic sites. Late Prehistoric (A.D. 150-1540) The Late Prehistoric is divided into the Early Ceramic and Middle Ceramic periods. The occurrence of ceramic technology distinguishes Late Prehistoric sites from Late Archaic sites. The bow and arrow were introduced at this time as indicated by the prevalence of small, corner - notched projectile points with narrow necks. Artifact assemblages at habitation sites are more complex than in previous periods, suggesting longer occupations and/or repeated use over time. In the middle Ceramic, permanent or even semi -permanent settlements are unknown. The population seems to decrease; a trend which continues into the fifteenth century. Post -Contact (A.D. 1540 —present) The Post -Contact Stage is the time period during which American Indians, particularly on the Plains, moved across the landscape in reaction to environmental and external cultural pressures. Following the arrival of the Spanish explorer Coronado in A.D. 1540, American Indian culture was irreversibly altered through contact with European cultures (Gilmore et al. 1999:5). American Indians had occupied the Americas for at least 12,000 years by the time European explorers arrived in the New World (Church et al. 2007:107). Explorers from the Old World entered a cultural landscape in flux. Plains Apachean groups had migrated south recently, crossing the Plains and arriving in the Southwest about 1525 A.D. (Church et al. 2007:90). The Comanche arrived in Colorado in the early part of the eighteenth century. In response, the Apache moved out of the northeastern portion of Colorado, continuing their migration south (Church et al. 2007:91). During the eighteenth and nineteenth centuries, Cheyenne and the Arapaho tribes, who had been displaced from distant homelands much earlier, migrated to eastern Colorado (Church et al. 2007:92). The Kiowa and Pawnee also were present in eastern Colorado (Church et al. 2007:93). The Spanish were the first non -Natives in Colorado, appearing in the mid -1600s and claiming the southern portion of the state as the northern frontier of New Spain. By the end of the seventeenth century French trappers and traders arrived from French Louisiana (Church et al. 2007:108). American Indians in eastern Colorado had more initial contact with the northern fur traders than with the Spanish to the south. French fur trappers are thought to be the first non - Natives in northern Colorado (LCMP 2008:9). The introduction of horses by the Spanish quickly altered Native American lifeways (Church et al. 2007:94). With the acquisition of horses, tribes played a more active role in the trade networks of the Plains, which included the Mountain Branch of the Santa Fe Trail in southern Colorado (Church et al. 2007:107). 4 Cureton Hookside Cryogenic Plant, Gas Compression and Pipelines Cultural Resources Technical Memo Weld County, Colorado, Dec. 17, 2018 Early High Plains Irrigation and Farming to 1900 Commercial agriculture on the eastern plains of Colorado began in response to the gold rush and the influx of people. Expanding transportation networks enabled farmers to get the produce to market in the business centers along the Front Range and into mining camps in the mountains. In 1859, David Wall dug ditches to bring water from Clear Creek to his vegetable farm near Golden, marking the beginning of irrigation along the Front Range (Mehls 1984:63). To attract farmers and ranchers to immigrate west, U.S. legislators passed the 1842 Preemption Act that allowed the purchase of 160 acres of land at $1.25 per acre. Twenty years later, the Homestead Act of 1862 allocated title of 160 acres to individuals who paid the patent fees and "proved up" within five years (Mehls 2006:3). The U.S. Government and farmers soon realized larger tracts of land would be required for successful farming in the semi -arid region. The U.S. Government enacted the Timber Culture Act of 1873 to encourage the planting of trees. Individuals would receive 160 acres if they planted 40 acres of trees and kept them alive for 10 years. The act was amended, eventually, from 40 acres to 10 acres. The Desert Land Act of 1877 further encouraged settlement and irrigation of the eastern plains of Colorado. With this act, individuals could claim up to 640 acres at $1.25 per acre if they irrigated the land within three years (Mehls 1984:63-64). The first attempt to irrigate large tracts of land was conducted by the Union Colony in Greeley in 1871 with the irrigation of 200 acres. Due to a particularly dry year in 1874, farmers in Fort Collins who were upstream of the Union Colony used almost all of the water from the Cache La Poudre, which provided water to the Union Colony. Tensions between the farmers escalated, but resulted in an agreement to a "first -in -time, first -in -right" system of priorities for use. Colorado's doctrine of prior appropriation for water rights was established as a result. This doctrine was incorporated into Colorado's first constitution (Mehls 1984:63). Post -1900 Agriculture, Dryland Farming Changes in federal land policy and scientific innovations renewed efforts to farm the marginal, dry land of the Plains. Between 1905 and the 1930s, a Russian variety of wheat became the primary crop in eastern Colorado. Technological innovations, including new types of plows and gasoline engines, enabled small families to harvest large tracts of land. In response to public pressure, the U.S. Congress revoked the Timber Culture and Desert Land Acts. In 1909, Congress passed the Enlarged Homestead Act, which increased claimed acreage to 320 acres. Following World War I, the acreage an individual could claim increased to 640 acres under the Stock Raising Homestead Act. These land acts fueled a boom in Plains agriculture (Mehls 1984:104). Dryland farming was popularized by promoters between 1910 and 1920 (Mehls 1984:104). During these years, land was consolidated under single ownership and farms expanded. Organizations such as the Transmissouri Dryfarming Congress (also known as the International Dryfarming Congress), formed to provide solutions to dryland farmers' needs. The headquarters for the Transmissouri Dryfarming Congress was Colorado Springs until 1912 when it was moved to Lethbridge, Canada. This group met annually in order to discuss farmers' experiences and worked to introduce new systems and techniques to ensure better crop production. Federal funds became available to set up experiment stations in 1902 and helped to create 28 stations in the Great Plains region of the United States (Brengle 1982). 5 Cureton Hookside Cryogenic Plant, Gas Compression and Pipelines Cultural Resources Technical Memo Weld County, Colorado, Dec. 17, 2018 Following the end of World War I, which brought a drop in crop prices, many farmers and farming communities failed economically. One such community was Deerfield, an African American farming community east of Greeley. More than 60 families had moved to the Deerfield vicinity as part of a utopian social experiment envisioned by founder Oliver T. Jackson. As crop prices dropped and a drought set in, families were unable to support themselves. By the 1930s with the onset of the Great Depression, few families remained at Deerfield (Mehls 1984:105). Communities throughout eastern Colorado were equally affected. Oil and Gas Development In 1860, oil was discovered in a natural seep at Fremont County's Oil Spring. The seep was the first drilled in Colorado. This find led to further exploration, resulting in the discovery of the Florence Field. These early discoveries had low production rates; it was not until the automobile boom that oil was in demand. Oil and gas exploration has focused on northwestern Colorado, which has the Nation's richest and best -defined oil shale resources (Church et al. 2007:361). Prior to the 1930s, exploration was poorly funded and the technology was unsophisticated. Equipment similar to that used to drill for water was used (Church et al. 2007:364). Post WWII petroleum development increasingly used large equipment requiring installation by trucks, which necessitated extensive road building (Church et al. 2007:364). The exploitation of oil and gas is evident in concentrated drilling and pipeline networks in many fields and in extensive gathering systems and interstate pipelines that deliver oil and gas to major refineries (Church et al. 2007:365). The mechanization of oil and gas extraction that followed World War II resulted in well pads with heavy, industrial equipment (Church et al. 2007:366). Weld County, Colorado Weld County has primarily been an agricultural county throughout its history and is one of the most agriculturally productive in the state. Weld county is the third largest county in the state and was one of the original 17 counties in the Colorado Territory in 1861. Weld Coun:y had a population of 11,736 by 1890. Around the same time, the Colorado Board of Trade valued the irrigated lands at $28 million. The county is dominated by Laurel sandy loam. which is suitable for growing sugar beets, onions, and cabbage. The soil can support alfalfa, wheat. oats, beans, corn, and potatoes with irrigation (Mehls 2006). The most significant impact on agriculture in Weld County was the introduction of sugar beets. By the Civil War, sugar beets were viewed as an alternative to cane sugar. The unsuccessful Colorado Beet Sugar Manufacturing Company was formed in 1871. It did succeed at promoting Weld County farmers to plant sugar beets. In 1901, Charles Boettcher and John Campion financed a beet sugar plant in Loveland. Eventually, plants were built in Windsor, Ft. Lupton, Eaton, and Greeley. The Great Western Sugar Company was formed in 1905 (Mehls 2006:11- 12) The cultivation of sugar beets was labor intensive and required a large labor supply. With labor in short supply in Colorado, the Great Western Sugar Company recruited labor throughout the United States, Europe, and Mexico. Recruitment led to German Russians, Japanese Americans, and Mexicans moving or migrating to Weld County to work in the sugar beet fields (Mehls 2006:12-13). Previous Work and Records Review AKPC conducted a review of the Office of Archaeology and Historic Preservation's (OAHP) Compass database to determine the number of previous cultural resource inventories and sites within 0.5 miles of the Project area. Four previous inventories have been completed, and four 6 Cureton Hookside Cryogenic Plant. Gas Compression and Pipelines Cultural Resources Technical Memo Weld County. Colorado, Dec. 17. 2018 archaeological sites and nine isolated finds have been identified within 0.5 miles of the Project area (Tables 2 and 3). Site 5WL.382 is a prehistoric lithic scatter that is reported as "field needs data." Site 5WL.383 is a multi -component site and is officially eligible for listing on the National Register of Historic Places (NRHP). Sites 5WL.4326, a prehistoric lithic scatter, and 5WL.4328, multi -component, are officially not eligible for listing on the NRHP. The remaining resources are prehistoric isolated finds and by definition are not eligible for listing on the NRHP. No inventories have been completed and no sites have been recorded in the Project area (Figure 3). Table 2. Previous inventories within .5 mile of the Project. _S►aajn_ _ _ _ _ Report Na MC.LM.R555 CLASS III CULTURAL RESOURCE INVENTORY OF THE COLORADO PORTION OF THE PLANNED OVERLAND PASS PIPELINE LARIMER. WELD. MORGAN. LOGAN WASHINGTON. AND YUMA COUNTIES. COLORADO. AND ADDENDUMS ONE AND TWO WL.FS.R106 6499.5 03/08/2010 INVENTORY OF THE ARCHAEOLOGICAL AND HISTORICAL RESOURCES OF THE PROPOSED BUCKINGHAM KEOTA URANIUM SOLUTION MINING PROJECT 4115.2 03/04/2002 WL.FS.R149 WL.FS.R200 CIRCLE RANCHES LAND EXCHANGE A CLASS III 160 08/11/2003 CULTURAL RESOURCE INVENTORY FOR THE PAWNEE NATIONAL GRASSLANDS. WELD COUNTY. COLORADO CLASS III CULTURAL RESOURCE INVENTORY OF 6383.4 05/17/2012 THE NIOBRARA PHASE 1B 3-D GEOPHYSICAL EXPLORATION PROJECT. WELD COUNTY. COLORADO. CLASS III CULTURAL RESOURCE INVENTORY OF THE NIOBRARA PHASE 1B 3-D GEOPHYSICAL EXPLORATION PROJECT. WELD COUNTY, COLORADO. ADDENDUM 1 Table 3. Cultural Resources within .5 mi of the Project. Site 5WL.382 _ _Number _ _ _ PREHISTORIC - .. •_- OPEN LITHIC FIELD NEEDS DATA 5WL.383 MULTI -COMPONENT OFFICIALLY ELIGIBLE 5WL.1730 PREHISTORIC ISOLATED FIND FIELD NOT ELIGIBLE 5WL.1731 PREHISTORIC ISOLATED FIND NO ASSESSMENT 5WL.1732 PREHISTORIC ISOLATED FIND FIELD NOT ELIGIBLE 5WL.1733 PREHISTORIC ISOLATED FIND NO ASSESSMENT 5WL.1734 PREHISTORIC ISOLATED FIND NO ASSESSMENT 5WL.4325 PREHISTORIC OPEN LITHIC OFFICIALLY NOT ELIGIBLE 5WL.4326 MULTI -COMPONENT OFFICIALLY NOT ELIGIBLE 5WL.4328 PREHISTORIC ISOLATED FIND FIELD NOT ELIGIBLE 5WL.4329 PREHISTORIC ISOLATED FIND FIELD NOT ELIGIBLE 5WL.6621 PREHISTORIC ISOLATED FIND FIELD NOT ELIGIBLE 5WL.6623 PREHISTORIC ISOLATED FIND FIELD NOT ELIGIBLE 7 Cureton Hookside Cryogenic Plant. Gas Compression and Pipelines Cultural Resources Technical Memo Weld County Colorado. Dec. 17 2018 5WL.4329 V /1 Cureton Cureton Hookside Project Project Parcel Previously Recorded Sites Previous inventory r---, L_ --J Township Landowner l !Pawnee National Grassland State USFS Service Layer Credits. 'JSDA/NRCS - National Geospatial Center of Excellence. Title USDA-NRCS-NCGC Digital Raster Graphic MrS1D 1939-2001 OAHP Compass File Search data 5WL.4328 k F 5WL.4325 r 5WL.4326 5WL.6623 I 5WL.1732 5WL.1730 5WL.3821 $ 5WL.1734 5WL.6621 5WL.1733 Cultural Sites, Landmarks and Inventories 0 0.25 0.5 Miles I I I Universal Transverse Mercator Zone 13 N A North American Datum of 1983 1:20.000 FOR OFFICIAL USE ONLY DISCLOSURE OF SITE LOCATIONS PROHIBITED (43 CFR 7 18) Figure 3. Known Cultural sites, landmarks, and inventories. Historic Maps and Aerials Gereral Land Office (GLO) plats and United State Geological Survey (USGS) topographical maps were reviewed to determine the presence of structures and culturally modified landscape featmes. such as trails. irrigation ditches. and other water features. The GLO survey plat for Section 30 of T9N, R60W was reviewed (Figure 4). No culturally modified features appear on the survey plat. 8 Curetcn Hookside Cryogenic Plant. Gas Compression and Pipelines Cultural Resources Technical Memo Weld County. Colorado. Dec. 17, 2018 USGS maps were reviewed using the USGS Map Locator website. No historic USGS maps for the Keota NW 7.5' topographic quad are available online. The 1972 quad (Figure 6) illustrates a two -track running north -south along the west section line. The two -track is un-named section line road and not likely to be historically significant. No culturally modified features are illustrated in the southeast quarter section. No. 1. /. 3/4 is - No. 2. tas"-- 10/4 Neo.sts No.4. 4. jeel-.9.f. -tctt 11 4.1 lair/6 i Set. JO: 80 A. a IS A. M A. Figure 4. 1872 GLO Survey Plat, T9N, R60W, Sec. 30. Figure 5. 1972 USGS Keota NW 7.5' Topo Quad. Google Earth imagery was used to identify unrecorded cultural features that may exist in the Project Area. No historic structures or features were identified. 9 Cureton Hookside Cryogenic Plant. Gas Compression and Pipelines Cultural Resources Technical Memo Weld County Colorado. Dec. 17. 2018 Summary and Recommendations Cureton proposes to construct three cryogenic plant trains: (1) a 20- MMscfd train, (2) a 60- MMscfd train, and (3) a 200-MMscfd train, and a 60-MMscfd compressor station on Cureton- owned land in northeastern Colorado. The Project area encompasses approximately 162 acres, including approximately 8 acres for temporary staging during construction. AKPC completed this desktop diligence study of the Project to identify cultural resources within 0.5 miles of the proposed Project. Evaluation included a search of site files, records, technical reports, and map files from the OAHP online database, listings on the NRHP, state and national historic landmarks, aerial photographs, historic GLO plat maps, historic USGS topographic maps, historical markers, cemeteries and NRCS Web Soil Survey data. Four previous inventories have been completed, and four archaeological sites and nine isolated finds have been identified within 0.5 miles of the Project area. Per Article V, Section 22-5-120.F, NR Goal 6 of Weld County's Comprehensive Plan, Weld County supports efforts to record and preserve archeological, cultural and historic resources. Without cultural resource inventory of the Project parcel, it is impossible to know if significant cultural resources exist within the Project area. Cultural inventory is not required for projects developed on private land with no federal nexus. Therefore, to support Weld County's goal referenced above, AKPC recommended the development of an inadvertent discovery plan to outline the process and procedures for unanticipated resources (human remains and prehistoric and historic artifacts and features, as well as fossils) discovered during construction. Cureton engaged AKPC to develop an inadvertent discovery plan for the project. The plan notes an archaeologist should be consulted for cultural remains (not human) and a paleontologist should be consulted for fossils. This plan (included here as Attachment A) supports Weld County's NR Policy 6.2 (i.e., develop standards for recognizing or preserving archeological resources that may be discovered during construction). 10 Cureton Hookside Cryogenic Plant, Gas Compression and Pipelines Cultural Resources Technical Memo Weld County, Colorado, Dec. 17, 2018 References Cited Brengle, K.G. 1982 Principles and Practices of Dryland Farming. Colorado Associated University Press, Boulder. Chapman, Shannon S., G.E. Griffith, J.M. Omernik, A.B Price, J. Freeouf, and D.L. Schrupp 2006 Ecoregions of Colorado. (color poster with map, descriptive text, summary tables, and photographs): Reston, Virginia, U.S. Geological Survey (map scale 1:1,200,000), Electronic document ftp://newftp.epa.gov/EPADataCommons/ORD/Ecoregions/co/co eco Iq.pdf and ftp://newftp.epa.gov/EPADataCommons/ORD/Ecoregions/co/co_back.pdf, accessed November 10, 2017. Church, Minette, Steven G. Baker, Bonnie J. Clark, Richard F. Carrillo, Jonathon C. Horn, Carl D. Spath, David R. Guilfoyle, and E. Steve Cassells. 2007 Colorado History: A Context for Historical Archaeology. Colorado Council of Professional Archaeologists. General Land Office (GLO) https://glorecords.blm.gov/search/, accessed 12/12/2018. Gilmore, Kevin P.; Marcia Tate; Mark L. Chenault; Bonnie Clark; Terri McBride; and Margaret Wood. 1999 Colorado Prehistory: A Context for the Platte River Basin. Colorado Council of Professional Archaeologists. Mehls, Steven F. 1984 Colorado Plains Historic Context. Colorado Historical Society, Denver. Mehls, Steven F. and Carol D. Mehls 2006 Weld County, Colorado Historic Agricultural Context. Office of Archaeology and Historic Preservation, Colorado Historical Society, Denver, Colorado. USDA Natural Resources Conservation Service (NRCS) 2009 Middle South Platte -Cherry Creek -Hydrologic Unit Code 10190003 Rapid Assessment. Colorado Department of Agriculture, State Conservation Board and USDA, Lakewood, Colorado. Web soil survey data, https://websoilsurvev.sc.egov.usda.qov/App/WebSoilSurvev.aspx, accessed November 27, 2018. U.S. Geological Survey, National Geospatial Program (USGS) 2017 USGS National Hydrography Dataset for Colorado State or Territory. Digital Data, USGS ASCII ESRI Shape File ftp://rockyftp.cr. usgs.gov/vdelivery/Datasets/Staged/Hydrography/NH D/State/High Resolutio n/Shape/NHD_H_Colorado_Shape.zip</onlink, November 10, 2017. 2005 State Geologic Maps. Digital Data, USGS ASCII ESRI Shape File https://gdg.sc.egov.usda.gov/GDGOrder.aspx, Accessed November 10, 2017. 11 Cureton Hookside Cryogenic Plant, Gas Compression and Pipelines Cultural Resources Technical Memo Weld County, Colorado, Dec. 17, 2018 USGS Store https://store.usgs.gov/map-locator, accessed 11/27/2018. Western Regional Climate Center 2016 Climate of Colorado. Electronic Document, https://wrcc.dri.edu/Climate/narrative co.php, Accessed November 10, 2017. Williams, Felicie and Halka Chronic 2014 Roadside Geology of Colorado, 3rd Edition. Mountain Press Publishing Company, Missoula, Montana. 12 Cureton Hookside Cryogenic Plant, Gas Compression and Pipelines Cultural Resources Technical Memo Weld County. Colorado, Dec. 17, 2018 ATTACHMENT A Inadvertent Discovery Plan for Cureton Front Range, LLC's Hookside Project Human Remains, Cultural Resources, and Paleontological Resources Inadvertent Discovery Plan Weld County, Colorado Olsson 1525 Raleigh, Suite 400 Denver, Colorado 80204 For Cureton Front Range, LLC Cureton Hookside - Cryogenic Plant, Gas Compression and Pipelines AK Pioneer Consulting, LLC Human Remains, Cultural Resources, and Paleontological Resources Inadvertent Discovery Plan Weld County, Colorado AK Pioneer Consulting 1768 Bluebird Dr. Bailey, CO 80421 TYPE OF WORK Inadvertent Discovery Plan PRINCIPAL INVESTIGATOR Arnie Gray AUTHOR(S) Kimberly Bailey and Arnie Gray DATE December 18, 2018 Human Remains, Cultural Resources, and 12/18/2018 Paleontological Resources Inadvertent Discovery Plan Table of Contents Introduction Discovery of Human Remains Discovery of Cultural Resources Discovery of Paleontological Resources List of Figures Figure 1 Cureton Hookside project location List of Tables Table 1 Points of Contact if Human Remains are Discovered Table 2 Points of Contact if Cultural Resources are Discovered Table 3 Points of Contact if Paleontological Resources are Discovered 1 1 3 3 1 2 3 3 Human Remains Cultural Resources, and 12/18/2018 Paleontological Resources Inadvertent Discovery Plan Introduction Cureton Front Range, LLC (Cureton) is in the process of expanding its operations in Weld County, Colorado. Cureton is proposing a compressor station, and a gas processing plant and interconnecting pipelines for the purpose of processing and the transportation of raw natural gas through gas pipelines (collectively referred to as the "Hookside Project" or "Project"). Cureton contracted AKPC to develop this Human Remains, Cultural Resources, and Paleontological Resources Inadvertent Discovery Plan to be followed in the event that cultural resources, including human remains, are discovered during any ground -disturbing activities for the Hookside Project in Weld County, Colorado. Cureton will take the following steps if inadvertent cultural resources. especially human remains or suspected human remains, are discovered during construction of the Hookside Project. This Plan provides important information concerning the process to follow if human remains, prehistoric or historic artifacts or features, and/or fossils are encountered during ground - disturbing activities once construction commences. This Plan supports Colorado Revised Statutes (CRS) 24-80-401-411 (Pad 4 — Historical, Prehistorical. and Archaeological Resources) and Weld County's goals "to record and preserve archeological, cultural and historic resources" prior to and during construction (Article V, Section 22-5-120.F, Natural Resource (NR) Goal 6 of Weld County's Comprehensive Plan). The Project is on Cureton-owned land in northeastern Colorado. The Project is approximately 35 miles northeast of Greeley in Section 30 of Township (T) 9N and Range (R) 60W (Figure 1). The Project area encompasses approximately 162 acres, including approximately 8 acres for temporary staging during construction. Discovery of Human Remains Cureton will enact the following procedures in the event human remains or suspected human remains are discovered: • If suspected human remains are discovered, all ground -disturbing activities in the vicinity of the discovery will immediately stop. • Any person who discovers Cureton Hookside Project- Location PmMct Punat �] Wild county 0 5 10 'Me:. 1 � I nN 1-,00.000 Universal Transverse Mercator Zone '3 North American Datum of 1983 %WWI 1.11rer Cry j 1!roo' ireatMlap land) cont buto-T C W Sources Eui. HERE. Doi -unit Irwprma). uurwrwnl P Cup.. GEBCO. USGS. FAO. MPS. NRCANION. KaCMS, Pt. Ordnance Sunny. Elul dapc U€11 Est) Chine (Horq Kor7', srr•ssropo. Mapes Indr.'V Op.nSwe#U!ap Figure 1. Cureton Hookside project location. suspected human skeletal remains. on any land, will immediately notify the coroner and the Sheriff of Weld County (Table 1). 1 Human Remains. Cultural Resources. and Paleontological Resources Inadvertent Discovery Plan 12/18/2018 Table 1 Points of Contact if Human Remains are Discovered. .SQnt&PI:Agency ani,p9§sLigiatisiadasisaimaasithiasia Address Phon - N. ember. Weld County Coroner Weld County Sheriff Mark Ward, Coroner/Department Head Jolene Weiner, Chief Deputy Coroner/Investigator Patrol District 1 Steve Reams. Sheriff Donnie Patch, Undersheriff 915 10th Avenue, (3rd Floor) Room 325 Greeley. CO 80631 1950 O Street Greeley. CO 80631 970-400-4990 970-356-4015 • If possible, a 30 -meter (100 -foot) buffer will be created around the discovery and access restricted by installing temporary fencing. The coroner will conduct an on -site inquiry within 48 hours of notification to attempt to determine whether such skeletal remains are human remains and to determine their forensic value. If the coroner is unable to make such determinations. the sheriff or the coroner will request a forensic anthropologist from the Colorado Bureau of Investigation to assist in making such determinations. If it is confirmed that the remains are human remains, but of no forensic value, the coroner will n otify the state archaeologist of the discovery. The state archaeologist will recommend security measures for the site and will require the human remains be examined by a qualified archaeologist to determine whether the remains are more than 100 years old and to evaluate the integrity of their archaeological context before ground -disturbing activities can resume. Complete documentation of the archaeological context of the human remains will be accomplished in a timely manner by the qualified archaeologist. If the on -site inquiry discloses that the human remains are Native American, the state archaeologist will notify the Commission of Indian Affairs. The remains will be disinterred unless Cureton, the state archaeologist, and the chairman of the commission or his designee u nanimously agree to leave the remains in place. Disinterment shall be conducted carefully, respectfully, and in accordance with proper archaeological methods and by an archaeologist who holds the appropriate permit. In the event the remains are left in place, they will be covered over. Without the Cureton's express consent for an extension of time. disinterment will be accomplished no later than 10 consecutive days after the state archaeologist has received n otification from the coroner. The archaeologist who conducts the disinterment will assume temporary custody of the human remains, for a period not to exceed one year from the date of disinterment, for the purpose of study and analysis. In the event that a period in excess of one year is required to complete such study and analysis. the commission shall hold a hearing and may, based upon its findings, grant an extension. The cost of the disinterment. archaeological analysis. and physical anthropological study shall be borne by the state archaeologist except when the human remains are recovered from private lands. In the latter case. if no party can be identified who will bear the cost of such scientific study, the state archaeologist shall bear such costs. 2 Human Remains, Cultural Resources. and 12/18/2018 Paleontological Resources Inadvertent Disccvery Plan Discovery of Cultural Resources There is potential for cultural resources to be discovered during ground -disturbing activities. These cultural resources may be prehistoric or historic artifacts or features. Artifacts that may be encountered include stone tools, ceramic vessels (possibly fragments), bottles, household items, etc. Features may also be encountered. Some examples of features are rock -lined hearths and foundation remnants. Cureton will eract the following procedures in the event cultural resources are discovered: • If cultural resources are encountered. ground -disturbing activities in the vicinity of the discovery will stop and a permitted archaeologist will be contacted to record the discovery (Table 2). • If possible, a 30 -meter (100 -foot) buffer will be created around the discovery and access restricted by installing temporary fencing. Table 2. Points of Contact if Cultural Resources are Discovered. g0.9 AK l AK Pioneer Consulting, LLC Colorado Office of Archaeology and Historic Preservation (OAHP) Arnie Gray. permitted archaeologist. Principal Investigator Rebecca Simon.. Assistant State Archaeologist — for a list of permitted archaeologists Address 1768 Bluebird Drive Bailey. CO 80421 1200 Broadway Denver. CO 80302 303-579-6143/ Akpioneerconsulting@gmail.com 303-866-4671/ rebecca.simon@state.co.us Discovery of Paleontological Resources Fossil remains may be encountered during ground -disturbing activities. Both fossilized animal and plant material are potential discoveries. Cureton will enact the following procedures in the event fossils are encountered: • If paleontological resources are encountered, ground -disturbing activities will stop in the vicinity of the discovery and a permitted paleontologist will be contacted to record the discovery (Table 3). • If possible, a 30 -meter (100 -foot) buffer will be created around the discovery and access restricted by installing temporary fencing. Table 3. Points of Contact if Paleontological Resources are Discovered. Contact Rebecca Simon. Assistant State Archaeologist — for a list of permitted paleontologists Company/Agency Colorado Office of Archaeology and Historic Preservation (OAHP) Address , Phone Number 1200 Broadway 303-866-4671/ Denver. CO 80302 rebecca.simon@state.co.us 3 Human Remains. Cultural Resources and Paleontological Resources Inadvertent Discovery Plan 12 13 2013 Cureton's adherence to this Plan supports CRS 24-80-401-411 (Part 4 — Historical, Prehistorical, and Archaeological Resources) and Weld County's goals "to record and preserve archeological, cultural and historic resources" prior to and during construction (Article V, Section 22-5-120 F, NR Goal 6 of Weld County's Comprehensive Plan) 4 Human Remains Cultural Resources and 12/18/2018 Paleontological Resources Inadvertent Discovery Plan CURETON FRONT RANGE, LLC OuRET:\ MI D STREAM EMERGENCY RESPONSE PLAN HOOKSIDE GAS PLANT & COMPRESSOR STATION FACILITY EMERGENCY CONTACT NUMBERS SHERIFF/FIRE DEPARMENT — 911 Cureton Front Range, LLC 24 -Hour Emergency Number — XXX.XXX.XXXX Cureton Qualified Front Individual Range, LLC Operations Director First Name Last Name XXX.XXX.XXXX Alternate Qualified Individual Plant Manager First Name Last Name XXX.XXX.XXXX Alternate Qualified Individual First Name Last Name XXX.XXX.XXXX Director EHSR April 2019 CURETON MIDSTREAM TABLE OF CONTENTS Hookside Gas Plant & Compressor Station Facility Emergency Response Plan 1.0 Purpose and Scope 1 1.1 Purpose 1 1.2 Company Information 1 1.3 Facility 1 1.4 Plan Review and Availability 2 1.5 Regulatory Applicability 2 2.0 Notification Procedures 2 2.1 Internal Contacts 2 2.1.1 Qualified Individual 2 2.1.2 Alternate Qualified Individual 3 2.1.3 Corporate Personnel 3 2.2 External Contacts 4 2.2.1 Federal Agencies 4 2.2.2 State Agencies 5 2.2.3 Local Agencies 8 3.0 Incident Classification 9 3.1 Incident and Response Levels 9 4.0 Response Actions 11 4.1 Evacuation 11 4.1.1 Evacuation of Cureton personnel: 11 4.1.2 Evacuation of the Surrounding Areas 12 4.1.3 Possible Evacuation Routes: 12 4.1.4 Shelter -in -Place 12 4.2 Incident Specific Responses and Notifications 13 4.2.1 Gas, Oil, and/or Water Pipeline Leak or Rupture 13 4.2.2 Cureton First Responder 13 4.2.3 Area/Regional Management 14 4.2.4 Division of Emergency Management 15 4.2.5 Fire (Minor or Major Explosion) 16 4.2.6 Cureton First Responder 16 4.2.7 Area/Regional Management 17 4.2.8 Division of Emergency Responsibilities 18 ®CURET0N MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan 4.3 Natural Disaster/Hazardous Weather 18 4.3.1 Division of Emergency Responsibility 19 4.4 Vehicle Accidents 19 4.4.1 Vehicle Accidents Resulting in No Spills 19 4.4.2 Vehicle Accidents Resulting in a Spill 19 4.4.3 Division of Emergency Responsibility 20 4.5 Injuries and Medical Emergencies 20 4.5.1 Injury Levels 20 4.5.2 First -aid Kits 21 5.0 Response Resources 22 5.1 Internal Emergency Contact Information 22 5.1.1 Emergency Contact Information Card 22 5.2 External Emergency Contact Information 22 5.2.1 Fire District 22 5.2.2 Health Care Facilities 22 6.0 Response Planning 22 6.1 Safety Awareness 22 6.2 Emergency Pre -Planning 24 6.2.1 Operations 25 6.2.2 Fire Prevention and Protection (COGCC 606A Series Guidelines) 25 7.0 Training and Implementation 27 7.1 Cureton's Training Program 27 7.2 Table Top Exercises 28 TABLES Table 4.1. Division of Emergency Response Responsibilities 15 Table 4.2. Fire Classifications 16 Table 4.3. Ignition Sources 16 Table 4.4. Tornado Alerts 18 Table 4.5. Overview of Injury Levels 20 Table 6.1. Personal Protective Equipment Incident Levels 23 FIGURES Figure 3.1. Company Emergency Classification and Tiered Response 10 ii W' CURETON MIDSTREAM APPENDICES Hookside Gas Plant & Compressor Station Facility Emergency Response Plan Appendix A Hookside Gas Plant & Compressor Station Facility Emergency Action Plan Appendix B Project Location Map, Site Plan, Plot Plan, Muster Point Map, Evacuation Route Map, and Hospital Route Map Appendix C OSHA Forms Appendix D COGCC Form 19: Spill/Release Report Appendix E Emergency Contact Information Card Appendix F Facility Training Logs iii CURETON MIDSTREAM 1.0 Purpose and Scope 1.1 Purpose Hookside Gas Plant & Compressor Station Facility Emergency Response Plan The purpose and scope of this Emergency Response Plan (ERP) for Cureton Front Range LLC's (Cureton's) Hookside Gas Plant and Compressor Station Facility (Facility) are to: • Provide guidelines for handling emergencies with the intent of avoiding or minimizing. to the extent practical, threats to human health, the environment, and operational infrastructure; • Avoid loss of life of employees, contractors, visitors, and the public; • Avoid or minimize damage to or loss of property; • Clearly define internal and external notification, activation, and mobilization procedures that will occur during an emergency response; • Provide a platform for collaboration of Cureton's ERP, Cureton personnel, and local emergency response agencies; • Provide an overview of Cureton's training and review program; and • Establish compliance with applicable regulations. NOTE: Although this ERP contains guidance for most known foreseeable incidents, actual conditions will dictate whether deviations from the ERP are appropriate. 12 Company Information Cureton Front Range. LLC 518 17th Street, Suite 1405 Denver, CO 80202 1.3 Facility This ERP was developed for the Cureton Hookside Facility. Please refer to Appendix A for the Facility Emergency Action Plan. Appendix B contains a Project Location Map, Site Plan, Plot Plan, Muster Point Map, Evacuation Route Map, and Hospital Route Map. 1 CURET0N MIDSTREAM 1.4 Plan Review and Availability Hookside Gas Plant & Compressor Station Facility Emergency Response Plan This ERP shall be reviewed on an annual basis at a minimum and shall be updated as appropriate to address new or different operating conditions and information. The ERP shall be made available to all Cureton personnel and contractors as well as any regulatory agency by request of that agency. 1.5 Regulatory Applicability For the Facility covered in this ERP, due to its size and nature of operations, Cureton may be required to develop a facility response per United States Environmental Protection Agency (USEPA) 40 Code of Federal Regulations (CFR) Part 112 regulation (Oil Pollution Prevention). The Facility does not meet the criteria for Pipeline and Hazardous Materials Safety Administration (PHMSA) 49 CFR Parts 192, 194, or 195 regulations for ERPs. This ERP was developed with considerations and guidance provided in regulations dictating the development of facility response plans and ERPs. 2.0 Notification Procedures 2.1 Internal Contacts 21.1 Qualified Individual Cureton's Qualified Individual (QI) for the Facility is an English-speaking representative of an operator, located at the Facility or nearest occupied facility. available 24 hours a day, 7 days per week, with full authority to: • Activate and contract with required oil spill response organizations/spill cleanup contractors; • Activate personnel and equipment maintained by operator: • Act as a liaison with emergency response agencies as well as federal and state regulatory agencies as applicable for specific incidents; and • Allocate resources and approve funds required to carry out required or directed emergency response activities. 2 CURETON MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan The QI for this ERP will facilitate communications through response agencies and Cureton. Qualified Individual Title Name Phone # Title First Name Last Name XXX.XXX.XXXX 2.1.2 Alternate Qualified Individual Cureton's Alternate Qualified Individuals (AQIs) for the Facility will have the same authority as the 01 and will act in place of the 01, as needed. The 01 will designate the AQIs and establish a protocol for the chain -of -command when the AQIs will be in charge of emergency response activities. Alternate Qualified Individuals Name Phone # Title First Name Last Name Title XXX.XXX.XXXX XXX.XXX.XXXX Title First Name Last Name XXX.XXX.XXXX First Name Last Name Title 2.1.3 Corporate Personnel Corporate personnel are Cureton employees who will be involved at some level with any incident or emergency response action at a Cureton-owned facility. Corporate Personnel Title Name Phone # Title XXX.XXX.XXXX First Name Last Name Title First Name Last Name XXX.XXX.XXXX XXX.XXX.XXXX First Name Last Name Title XXX.XXX.XXXX Title First Name Last Name Title XXX.XXX.XXXX First Name Last Name 3 CURET0N MIDSTREAM 2.2 External Contacts 2.2.1 Federal Agencies Hookside Gas Plant & Compressor Station Facility Emergency Response Plan NATIONAL RESPONSE CENTER National Response Center 24 -Hour Hotline: 800.424.8802 UNITED STATES ENVIRONMENTAL PROTECTION AGENCY USEPA Region 8: 303.312.6312 The United States Coast Guard National Response Center (NRC) is not a response agency. It serves as an emergency call center that fields initial reports for pollution and forwards that information to appropriate federal and state agencies for response. The NRC should be contacted to report an oil spill or chemical release, especially if the release impacts or threatens to impact waters of the state or navigable waters of the United States (WOUS). The NRC and the United States Environmental Protection Agency (EPA) shall be contacted for the following spill or release incidents: • Violation of applicable water quality standards; • Incidents that cause a film or "sheen" upon, or discoloration of, the surface of the water or adjoining shorelines; and/or • Incidents that cause a sludge or emulsion to be deposited beneath the surface of the water or upon adjoining shorelines. The following information is needed to the extent practical when contacting the NRC or any federal, state, or local emergency response and regulatory agency: • Name, location, organization, and telephone number; • Name and address of the party responsible for the incident, name of the carrier, name of the vessel, the railcar/truck number. or other identifying information: • Date and time of the incident; • Location of the incident; • Source and cause of the release or spill; • Types of material(s) released or spilled; • Quantities of materials released or spilled; • Medium (e.g., land, water) affected by the release or spill: 4 CURET0N kV MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan • Danger or threat posed by the release or spill; • Number and types of injuries or fatalities (if any): • Weather conditions at the incident location at the date and time of the incident; • Indication of whether an evacuation has occurred; • List of other agencies notified or about to be notified; and • Any other information that may help emergency personnel respond to the incident. A report to the USEPA Regional Administrator shall occur within 60 days of the following incidents: • A single discharge to navigable WOUS and adjoining shorelines of more than 1.000 gallons of oil. • Two discharges to navigable WOUS and adjoining shorelines within a 12 -month period of more than 42 gallons of oil in each discharge. Occupational Safety and Health Administration Injury Reporting Hotline: 800.321.6742 The Occupational Safety and Health Administration (OSHA) requires that within eight (8) hours after the death of any employee from a work. -related incident, or the in -patient hospitalization of three or more employees as a result of a work -related incident, the fatality/multiple hospitalizations must be reported by telephone or in person to OSHA. OSHA reporting forms are included in Appendix C for reference. 2.2.2 State Agencies Colorado Department of Public Health and Environment Emergency and Incident Reporting Line: 877.518.5608 The Colorado Department of Public Health and Environment (CDPHE) shall be notified of the following incidents: • Accidental Release: A spill of any chemical. oil, petroleum product, sewage, etc. which may enter waters of the state of Colorado (which include surface water, groundwater, and dry gullies and storm sewers leading to surface water) must be reported immediately to the CDPHE. Any accidental discharge to the sanitary sewer system/septic system/leach field must be reported immediately to the local sewer authority and the affected wastewater treatment plant. 5 CURET0N kV MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan • Air —Excess Emission Event: In the case of excess emissions during an emergency or malfunction at the Facility, the owner or operator must notify the Air Pollution Control Division (APCD) of CDPHE as soon as possible, but no later than noon of the next working day, and provide a written follow-up report to the APCD by the end of the Facility's next reporting period. • Exploration and Production (E&P) Waste: r Spills and releases of E&P waste and produced fluids should be controlled and contained immediately upon discovery. Impacts resulting from spills and releases should be investigated and cleaned up as soon as practicable. r Spills or releases of any size that impact or threaten to impact any surface water supply area must be reported to the Colorado Oil and Gas Conservation Commission (COGCC) and to the Emergency and Incident Reporting Line (877.518.5608). If the release impacts or threatens to impact a surface water intake, it must be verbally reported to the emergency contact for that facility immediately after discovery. The operator must notify the affected surface owner or their appointed tenant of all reportable spills as soon as practicable. but not more than 24 hours after discovery. Chemical spills and releases must be reported in accordance with all applicable state and federal laws, including the Emergency Planning and Community Right -to -Know Act (EPCRA), the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA), the Oil Pollution Act. and the Clean Water Act (CWA). Colorado Oil and Gas Conservation Commission Emergency and Incident Reporting Line: 877.518.5608 The Colorado Oil and Gas Conservation Commission (COGCC) shall be notified as described here. It should be noted that COGCC is the agency for any E&P RCRA exempt wastes. • Operators shall report a spill or release of E&P waste or produced fluids that meet any of the following criteria to the COGCC Director verbally or in writing as soon as practicable.. but no more than 24 hours after discovery (i.e., the 'Initial Report"). r r A spill/release of any size that impacts or threatens to impact any waters of the state, a residence. an occupied structure. livestock, or public byway. A spill/release in which one (1) barrel or more of E&P waste or produced fluids is spilled or released outside of berms or other secondary containment. r A spill/release of five (5) barrels or more regardless of whether the spill/release is completely contained within berms or other secondary containment. 6 CURET0N MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan • The Initial Report shall include, at a minimum, the location of the spill/release and any information available to the Operator about the type and volume of waste involved. • If the Initial Report was not made by submitting a COGCC Form 19: Spill/Release Report (see Appendix D), the Operator must submit a Form 19 with the Initial Report information as soon as practicable but not later than 72 hours after discovery of the spill/release unless extended by the COGCC Director. • In addition to the Initial Report to the Director. the Operator shall make a supplemental report on Form 19 not more than ten (10) calendar days after the spill/release is discovered. The Initial Report shall include an 8.5 by 11 -inch topographic map showing the governmental section and location of the spill or an aerial photograph showing the location of the spill; all pertinent information about the spill/release known to the Operator that has not been reported previously; and information relating to the initial site investigation, remediation, and mitigation actions conducted by the Operator. The Director may require further supplemental reports or additional information. • Notification to the Local Government: In addition to the Initial Report to the Director, as soon as practicable, but not more than 24 hours after discovery of a spill/release of E&P waste or produced fluids reportable under Rule 906.b.(1)A or B, an Operator shall provide verbal or written notification to the entity with jurisdiction over emergency response within the local municipality if the spill/release occurred within a municipality (or the local county [i.e., Weld County] if the spill/release did not occur within a municipality). The notification shall include, at a minimum, the information provided in the Initial Report to the Director. • Notification to the Surface Owner: In addition to the Initial Report to the Director, within twenty-four (24) hours after discovery of a spill/release of E&P waste or produced fluids reportable under Rule 906.b.(1)A or B, an Operator shall provide verbal notification to the affected surface owner or the surface owner's appointed tenant. If the surface owner cannot be reached within 24 hours, the Operator shall continue good faith efforts to notify the surface owner until notice has been provided. The verbal notification shall include, at a minimum, the information provided in the Initial Report to the Director. • Report to Environmental Release/Incident Report Hotline: A spill/release of any size which may impact or threaten to impact any surface water supply area shall be reported to the Director and to the Emergency and Incident Reporting Line (877.518.5608). Spills and releases that impact or threaten a surface water intake shall be verbally reported to the emergency contact for that facility immediately after discovery. • Reporting Chemical Spills or Releases: Chemical spills and releases shall be reported in accordance with applicable state and federal laws, including the EPCRA. CERCLA, the Oil Pollution Act, and CWA, as applicable. 7 CURET0N MIDSTREAM 2.2.3 Local Agencies Hookside Gas Plant & Compressor Station Facility Emergency Response Plan The Weld County Regional Communications Center shall be notified as applicable about incidents and emergency response, as well as the local police, sheriff, and fire agencies listed below. Department/Agency Contact Contact # Weld Communications County Regional Center Mainline 970.350.9600 Ault Police Department Mainline 970.834.2852 Weld County Sheriff Mainline 970.356.4015 Pawnee District/Fire Fire Department Protection Mainline 970.895.2237 Weld County Weld County shall be notified about the following incidents: • Spills and Releases: For all spills and releases reportable to COGCC. Operators shall notify Weld County's Local Government Designee (LGD), Local Emergency Planning Committee (LEPC), Office of Emergency Management (OEM). Sheriffs Office, and the local fire district either verbally or in writing, no more than 24 hours after discovery of the spill or release. This includes spills/releases: Of any size that impact or threaten to impact any waters of the state, a residence, an occupied structure, livestock, or public byway; In which one (1) or more barrels of E&P waste or produced fluids is spilled or released outside of berms or other secondary confinement; and/or Of five (5) barrels or more regardless of whether the spill/release is completely contained within berms or other secondary confinement. In addition, the Operator shall notify the surface owner or the surface owner's tenant of spills and releases in conformance with COGCC rules. • Incidents Outside of Spills and Releases: Emergencies that result in the use of local emergency response personnel. outside of those mentioned above. should be reported to the Weld County departments listed below. 8 CURET0N MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan Department/Agency Contact Contact # Weld Emer g County enc y Mana Office g of ement Emergency Roy Director Rudisill. Management 970.304.6540 Weld Emergency Committee County Planning Local Emergency Merrie Coordinator Leach Management Garner, 970.304.6540 Weld Government County Designee Local Oil Jason and Gas Maxey. Specialist 970.400.3579 Weld County's Office Sheriffs Mainline 970.356.4015 Pawnee District/Fire Fire Department Protection Mainline 970.895.2237 3.0 Incident Classification 3.1 Incident and Response Levels In order to properly respond to an emergency, this ERP recognizes four levels of emergency classification and tiered response (i.e., Alert Level, Level 1 Emergency, Level 2 Emergency, and Level 3 Emergency). An incident level is determined by the complexity of the incident, the risks to Cureton personnel and the public, and the potential impact to the environment. It is important for all Cureton personnel to understand the incident classification levels and the appropriate level of response to each. Figure 3.1 summarizes the incident levels and typical response actions associated with each level. NOTE: The Cureton Emergency Classification and Tiered Response is intended as a guideline to activate an appropriate level of response. Any specific incident may require different levels of response throughout the response activation and operation. 9 GURETUN MIDSTREAM COMPANY EMERGENCY CLASSIFICATION AND TIERED RESPONSE ALERT RESPONSE • Handled through normal operating procedures under the direction of the supervisor. • Internal notification is made to Environmental Health and Safety (EHS) Department and management. LEVEL 1 EMERGENCY No immediate threat to human health or safety. No threat to facility infrastructure, no effects outside of company property. Possible control of release product pending. Minimal environmental effects. Can respond with existing resources. No impact to public property. • • • • • • TIER I RESPONSE Response control at hand and can quickly move to Tier II as situation warrants. Incident Command System is activated as needed. External resources/ contractors and response organizations may be required. Internal resources are supervised closely to prevent escalation. Internal notification to all proper departments. EHS Department will assess need for non -emergency external notifications. LEVEL 2 EMERGENCY • • • • F'0tetttial threat to human health and safety. No immediate threat outside of con tpai ty property but oftsite impact possible. Potential threat to facility infrastructure. Moderate environmental effects Limited to short tern' impact to operations lilt TIER II RESPONSE • Actions taken to ensure public safety. • Emergency response agencies (e.g., sheriff, fire, ambulance, etc.) notifications are made. • External resources (e.g., spill response crews) are deployed. • Evacuations protocols made be needed. • Proper non -emergency notifications will be made by EHS Department. FIGURE 3.1 LEVEL 3 EMERGENCY • • • • TIER III RESPONSE • Actions taken to ensure public safety. • Emergency response agencies (e.g., sheriff, fire, ambulance, etc.) notifications are made. • External resources (e.g., spill response crews) are deployed. • Evacuations protocols made be needed. • Proper non -emergency notifications will be made by EHS Department. • Multi -agency and external response required. CURETON MIDSTREAM 4.0 Response Actions Hookside Gas Plant & Compressor Station Facility Emergency Response Plan Initial response actions are those taken by local personnel immediately upon becoming aware of an emergency incident. Immediate actions are required at the onset of an emergency response to mitigate the extent of a release, minimize the potential hazard to human health and the environment, and to implement an effective response. This section provides general guidance on initial response actions that include evacuat on and shelter -in -place. 4.1 Evacuation This section provides guidelines for evacuating Cureton personnel and the public, if appropriate.. as a result of a major incident. 4.1.1 Evacuation of Cureton personnel': • Cureton employees shall evacuate to a location upwind and uphill if possible. • Muster points are depicted on the Muster Location Map provided in Appendix B. Wind data indicate the wind at the Facility is predominantly out of the west-northwest and also out of the southeast. Cureton employees should walk east-southeast (i.e., cross wind) to the primary muster point and west-northwest to the secondary muster point. Prevailing wind data from 2012-2016 were acquired from the National Weather Service Station 93010 - Limon Colorado Airport Station and aided Cureton in identifying the locations of the muster points. • Prior to evacuation to a muster point or beyond, identify the wind direction by observing the direction the Facility wind sock is moving and move cross or upwind of the affected area. • Evacuation of Cureton employees will be based on a determination of the risk of remaining on site. In the event of an evacuatior. . the site will be secured through a combined effort between Cureton and local fire and law enforcement agencies. • The hot zone of an incident is the area defined by a qualified Cureton representative and/or local fire department. Safety Data Sheets (SDSs) are tools that can aid in the formation of the hot zone, and should be readily available to all emergency responders. • The hot zone should extend far enough to prevent adverse effects to unprotected personnel outside of the zone. 1 Personnel — Includes all contractors and subcontractors associated with the Facility. 11 CURET0N MIDSTREAM 4.1.2 Evacuation of the Surrounding Areas Hookside Gas Plant & Compressor Station Facility Emergency Response Plan • Evacuation of the public will be determined through a consensus decision between the Cureton 01 or AQI, Cureton management, and the local emergency response agencies. • The physical act of evacuating the public will typically be undertaken by local emergency response agencies. • Cureton will provide assistance to the local law enforcement and fire department to assist in the evacuation of the surrounding areas. 4.1.3 Possible Evacuation Routes: • Evacuation routes will be clearly posted in the Facility and communicated to personnel through radio directives as mandated by changing conditions. Primary evacuation routes are identified on the evacuation map included in Appendix B for the Facility. If conditions warrant, evacuation routes shall be revised to account for upwind possibilities, hot zone area determinations, and other factors associated with an incident. It will be the responsibility of Cureton personnel and the local fire and law enforcement agencies to identify and implement the appropriate evacuation plan. if needed. Evacuation routes shall be upwind of any hot zone or exclusion zone and windsocks shall be visible to all site personnel to determine which exit route to take during evacuation. If the primary evacuation route is unusable, Cureton personnel and contractors shall be directed via radio to an alternate route. 4.1.4 Shelter -in -Place Chemical or biological contaminants may be released into the environment in such quantity and/or proximity to the Facility that it is safer to remain indoors rather than to evacuate employees. An example of a situation that might result in a decision by Cureton or local emergency responders to institute shelter -in -place is an explosion. Shelter -in -place means to take refuge in an interior room or rooms within the Facility with no or few windows. Cureton will implement the following shelter -in -place procedures as appropriate. These procedures are adopted from the United States Department of Labor. OSHA website, https://www.osha.gov/SLTC/etools/evacuation/shelterinplace.html. • Close the Facility. • If there are customers. clients. or visitors in the Facility, Cureton will ask them to stay and not drive or walk outdoors. 12 CURETON MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan • Employees and anyone else in the Facility will call their emergency contacts to let them know where they are and that they are safe, and then answering systems will be turned on. • All windows. doors, and vents in the room(s) used for shelter -in -place will be closed or taped shut to prevent contaminated air from entering the room. • Exterior doors will be locked and windows and air vents will be closed. Cureton staff familiar with the Facility's mechanical systems will turn off/seal/disable all fans, heating, and air conditioning systems. NOTE: The guidelines provided for emergency incidents addressed in this section are intended as guidance only. Based on the severity of an incident, other or additional actions may also be appropriate or replace those described herein. These guidelines are provided in an order here for purposes of presentation in this ERP only; each specific incident and the associated response may dictate a different order of response actions. 4.2 Incident Specific Responses and Notifications The following sections provide guidance to determine the appropriate initial response and notification actions that should be carried out in the event of an emergency incident. Emergency incidents discussed in this section include: • Gas. oil, and/or water pipeline leaks or ruptures • Fires (explosions) • Natural disaster/hazardous weather • Vehicle accidents • Injuries and medical emergencies 4.2.1 Gas, Oil, and/or Water Pipeline Leak or Rupture 4.2.2 Cureton First Responder The following are guidelines for the Cureton First Responder during an incident. • Take appropriate personnel protective measures and utilize appropriate personnel protective equipment (PPE). • Always check wind direction and approach an incident from upwind. Communicate appropriate site approach to all response personnel coming to the scene of an incident. 13 CURETON MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan • Assess the need for emergency response notifications. If required, call 911 and other local emergency response agencies as needed. • Restrict access to the incident site and adjacent areas (this may be accomplished with the assistance of local law enforcement). • Take additional steps as needed to ensure public health and safety. • Isolate or eliminate ignition sources through valve or tank closure (only if safe to do so and the Cureton First Responder is trained on how to isolate and eliminate such sources). • Verify the type of product and estimated quantity released. • Notify area/regional management. • Activate internal and external notifications. It is the responsibility of Cureton to provide training so that employees understand the level of communication required during an emergency. 4.2.3 Area/Regional Management • Account for Cureton personnel and contractors. • Continue to work through internal/external notifications. Request a communications log from the Cureton First Responder to avoid duplicate notifications. • Pull the SDS for the product(s) included in the incident. Determine PPE requirements for all response personnel. Provide SDS to emergency response personnel. • Begin an incident log with timeline. Proceed with Initial Response • Assess the need for evacuation of the immediate area, and if required, work with emergency response agencies to initiate evacuation procedures. • Eliminate any potential ignition sources, if not already completed by Cureton First Responder. • Initiate air monitoring (e.g., Lower and Upper Explosive Limits [LEL], hydrogen sulfide [H2S], chemical, heat stress, etc.) and establish hot, warm, and cold zones. • Work to stop the source or cause of the incident and contain it (if possible) in a safe manner. Continue Initial Response and Incident Assessment • Shut down all pumps and electrical equipment (if safe to do so). 14 CURET0N MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan • Initiate traffic control or work with local law enforcement to provide a secured and directed flow of traffic around the site. If appropriate, detour traffic away from the area. • Notify any affected or potentially affected neighboring facilities. • Establish objectives and priorities based on the initial assessment of the incident. • Properly contain the incident to prevent impacting adjacent areas. • Proceed with active free product rerroval from affected media, if applicable. • Continue coordination with local, state, and federal agency representatives, as applicable. 4.2.4 Division of Emergency Management Table 4.1 lists divisions of emergency response responsibilities associated with the Facility. The table provides general responsibilities for an emergency response associated with a gas, oil, and/or water pipeline leak or rupture. Specific response roles and responsibilities may change based upon the level of incident and level of response required. The table should be updated when there is a change in the response agency, contractor, or primary responsibility party. Table 4.1. Division of Emergency Response Responsibilities Cureton reto Personnel/Response Agency/Contractor n Primary Responsibility Contact Name Contact # TBD Spill cleanup TBD TBD TBD Heavy equipment TBD TBD Olsson Waste assist with characterization; cleanup post -emergency James Hix 303.589.1572 Ault Police Department Traffic assistance notifications control in evacuation and Dispatch 911 Pawnee Fire District Protection and Perimeter evacuation; control, fire rescue, fighting Dispatch 911 Emergency Services Medical Assistance emergency and personnel: medical transportation with provide attention injured Dispatch 911 15 riD CURET0N MIDSTREAM 4.2.5 Fire (Minor or Major Explosion) Hookside Gas Plant & Compressor Station Facility Emergency Response Plan The information in Tables 4.2 and 4.3 is provided to help assess the initial response to a fire and potential cause of a fire. NOTE: Cureton personnel do not have fire brigade training and are only permitted to use fire extinguishers in small incipient stage fires. If the situation warrants and personal safety is ensured, initial efforts to extinguish small incipient stage fires may prove to be the best action. In these situations, if personal safety is not at risk and interim measures can be taken to mitigate a situation while Emergency Responders are deploying, continued action to extinguish and control a fire may be allowed. Cureton Personnel will always consult with area/regional management during a fire incident. Table 4.2. Fire Classifications Fire Classifications Class A Ordinary plastics. combustible materials such as wood, cloth, paper. rubber, and Class B Flammable liquids, gases. and greases. Class ii C Energized the extinguishing electrical media equipment is of importance. where the electrical non -conductivity of Table 4.3. Ignition Sources Ignition Sources Sources of Ignition Include but Are Not Limited To: Open Flames Cutting and Welding Sparks Lightning Electrical and Mechanical Sparks Smoking Spontaneous Ignition Frictional Radiant Heat and Hot Surfaces Heat 4.2.6 Cureton First Responder • Take appropriate personnel protective measures and utilize appropriate PPE. 16 riQ CURETON MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan Always check wind direction and approach an incident from upwind. Communicate appropriate site approach to all response personnel coming to the scene of an incident. • Call 911 if necessary and/or call the local fire department directly. • Restrict access to the incident site and adjacent areas (this may be accomplished with the assistance of local law enforcement). • Take incident -specific additional steps to ensure public health and safety. • Isolate or eliminate ignition sources through valve or tank closure (only if safe to do so and the Cureton First Responder is trained on how to isolate and eliminate such sources). • Notify area/regional management. • Note time of calls and begin an incident log with timeline. 4.2.7 Area/Regional Management • Assess weather, present and future, for wind direction. • Account for all Cureton personnel and contractors. On -Scene Assessment • Verify wind direction and approach she from upwind. • Conduct a preliminary assessment of the situation. • Evaluate the incident scene for potential hazards. • Determine what product(s) are involved, have the SDS pulled and reviewed for PPE and firefighting instructions, and supply the SDS to the fire department and any other emergency responders upon arrival. • Have the fire department eliminate any sources of ignition in the immediate area if such action has not already been completed by the Cureton First Responder. • Shut down pumps and any movement into/out of area if safe to do so. Person performing shut down must be trained in such shut down activities. • Shut down and stop all contractor activity. • Ensure traffic control by local law enforcement is providing a secured and directed flow of traffic around the site and/or detouring traffic away from the area. • Notify adjacent facilities to ensure zero off -site ignition. 17 CURET0N MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan Continued Initial Response and Site Assessment • Conduct evacuations of adjacent areas, if needed. Follow evacuation protocols discussed in Section 4.1.1. • Assist the fire department in establishing objectives and priorities based on the initial assessment and product(s)/SDSs involved. • Continue coordination with local, state, and federal agency representatives, as applicable. 4.2.8 Division of Emergency Responsibilities Table 4.1 lists divisions of emergency response responsibilities associated with the Facility. The table provides general responsibilities for an emergency response associated with a fire -related incident. Specific response roles and responsibilities may change based on the level of incident and level of response required. The table should be updated when there is a change in the response agency, contractor, or primary responsibility. 4.3 natural Disaster/Hazardous Weather Although some natural disasters (e.g.. tornados and severe storms) sometimes cannot be prevented or predicted, sufficiently preparing for such events can significantly reduce losses. In the event of a severe weather condition, natural disaster, or the possibility of such events, the guidelines noted in Table 4.4 shall assist Cureton management in preparing to respond to tornado threats to the Facility. Table 4.4. Tornado Alerts Tornado Watch Conditions are right for the formation of a tornado. Tornado Warning A tornado has been sighted but is not in the area at this time. Tornado Alert A tornado immediately. has been sighted in the immediate area: take cover • If a tornado is sighted, Cureton area supervisors and management shall: Announce the sighting to Cureton personnel and instruct personnel in the vicinity to seek shelter immediately. r Account for all contractors and company personnel. Initiate any emergency response or search and rescue operations if needed. Call 911 if applicable for assistance. 18 CURETON MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan • If severe weather conditions threaten the Facility. Cureton area supervisors and management shall: Alert Facility and field person gel of condition. Take necessary precautions to ensure the integrity of the Facility. If time permits, assemble all personnel in an inside room of a nearby facility or shelter. If time does not permit, have personnel seek shelter in low-level areas away from glass. Have personnel stay in shelter until it is deemed safe to exit. • Immediately after a storm or significant weather event, Cureton area supervisors and management shall: • Account for all personnel. • Survey the facility for any damage. Initiate initial responses to any damages. 4.3.1 Division of Emergency Responsibility Table 4.1 lists a division of emergency respcnse responsibilities associated with the Facility. 4.4 Vehicle Accidents 4.4.1 Vehicle Accidents Resulting in No Spills • Cureton First Responder Assess severity of the accident and only aid the accident victims if properly trained and it is safe to do so. P. Call 911. Provide assistance to local emergency response personnel. as requested. Contact Cureton safety representative. 4.4.2 Vehicle Accidents Resulting in a Spill • Cureton First Responder 19 CURETON MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan r Assess severity of the accident and only aid the accident victims if properly trained and it is safe to do so. Call 911. Determine what product(s) the spill contains. Pull the SDS to determine appropriate response and share SDS with emergency response personnel. Assess the need for isolation of the spill to prevent its migration into sensitive areas. Air Initiate internal and external notifications to Cureton's spill cleanup contractor and regulatory agencies based on the severity of the spill and potential environmental and public hazards associate with the spill. • Area/Regional Management Initiate spill cleanup once safe to do so (engaging trucking or vessel company management as appropriate). Ensure appropriate regulatory agencies have been contacted regarding the spill and that the proper reporting occurs. 4.4.3 Division of Emergency Responsibility Table 4.1 lists a division of emergency response responsibilities associated with the Facility. 4.5 Injuries and Medical Emergencies 4.5.1 Injury Levels Table 4.5 provides an overview of injury levels. Table 4.5. Overview of Injury Levels Level 1: Minor Injury Person kit. sustains minor cut, bruise, etc. using first -aid Treat Level 2: Serious Injury Person to walk. emergency is Treat in need center. on of site skilled as practical medical and assistance transport but to is able Level 3: Very Serious Injury Person seriously. is unconscious Call 911. and/or in shock and/or bleeding First -aid and emergency procedures could be lifesaving. First -aid training is required to administer any first -aid during an emergency situation. Cureton is responsible for the training of its 20 CURETON MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan employees in first -aid techniques. It is the responsibility of the injured personnel to report bodily injury, chemical exposure(s), or property damage at the time of the incident to his/her supervisor. • Basic First -aid Guidelines Are Make sure it is safe to be in he area of the victim. Call 911 and request an ambulance.. if appropriate. Provide the following information: ■ Number and location of victim(s). ■ Nature of injury or illness. ■ Hazards involved. • Nearest location entrance (i.e., emergency access point). Alert trained employees (if possible) to respond to the location of a victim and to bring a first -aid kit and/or automated external defibrillator (AED) (which will be available on site once the fac lity is manned). N otify the Site Supervisor or Site Manager. Only trained responders/personnel shall provide first aid and assistance. N ever move a victim in need of medical assistance unless: ■ Directed by a competent medical authority. • The injury will not be aggravated or complicated by a physical move. ■ Greater physical harm to the victim is likely if he/she is not moved from the current location. • Wound severity is life -Threatening. Take "universal precautions" to prevent contact with bodily fluids and exposure to blood -borne pathogens. Meet the ambulance at the nearest entrance or emergency access point and direct them to the victim(s). 4.5.2 First -aid Kits First -aid kits will be kept at the Facility and be visible to all personnel. Commercial, cabinet -type, or unit -type first -aid kits are acceptable. A typical first -aid kit includes a variety of items selected to carry out emergency treatments of cuts, burns, eye injuries, or sudden illness. The first -aid kit will contain individually sealed packages for each type of item. The contents of the kit will be checked periodically to ensure that expended and expired items are replaced. Cureton personnel are responsible for maintaining the contents of the first -aid kit. No oral medication should be stocked in or dispensed from the first -aid kit. 21 CURETON MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan 5.0 Response Resources 5.1 Internal Emergency Contact Information 5.1.1 Emergency Contact Information Card Cureton has developed an Emergency Contact Information Card for its employees and contractors to carry and have in their vehicles at all times while on site at the Facility (see Appendix E). The card is a quick reference guide for who to call and when to call. 5.2 External Emergency Contact Information 5.2.1 Fire District The Facility is located within the Pawnee Fire Protection District. 5.2.2 Health Care Facilities Emergency Medical Services (EMS) facilities that provide responses applicable to emergencies that could occur at the Facility are as follows: • North Colorado Medical Center — Level III Trauma Center • UC Health Greeley Hospital — Level III Trauma Center 6.0 Response Planning 6.1 Safety Awareness Prior to engaging in any spill response activities all employees and contractors must: • Have received safety orientation, • Be in compliance with OSHA training requirements, • Comply with the site safety and health plan, and • Be in compliance with all corporate training requirements. No employee or contractor shall engage in any spill response activities which may place them at risk without the appropriate PPE as detailed in Table 6.1. 22 CURETON MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan NOTE: It is the responsibility of Cureton and its contractors to be educated on the COGCC Series 600 Safety Guidelines along with guidelines outlined in this ERP. The following are guidelines to be used to assist with the selection of the appropriate PPE. The site information may suggest the use of a combination of PPE selected from the different protection levels (i.e., A. B, C, and/or D, as detailed in Table 6.1) as being more suitable to the hazards of the work. As a cautionary note, it should be noted that the listing below does not fully address the performance of the specific PPE material in relation to the specific hazards at the job site.. and that PPE selection. evaluation. and re -selection will be an ongoing process until sufficient information about the hazards and required level of PPE performance are ascertained. Table 6.1. Personal Protective Equipment Incident Levels Level Type of Protection Equipment LEVEL A 1. breathing supplied approved Safety 2. 3. 4. 5. 6. 7. 8. 9. (depending totally Positive Disposable -encapsulating and underwear.* hat -encapsulating by chemical apparatus air outer, inner, pressure. Health (under on the suit respirator protective National chemical chemical (NIOSH). -resistant, suit).* construction, (SCBA), suit). full face chemical Institute -resistant. -resistant. suit. with -piece steel or gloves, positive -protective -toe, may self-contained escape for Occupational be and and -pressure worn shank. SCBA, suit. boots over Level when skin, protection respiratory, A the is greatest is to required. be initiated and level eye of Totally Coveralls.* Long Gloves, Gloves, Boots, Hard LEVEL B long-sleeved (disposable).* 1. positive escape 2. chemical resistant 3. 4. 5. 6. shank. 7. 8. Hooded Coveralls.* Gloves, Gloves, Boots, Hard Positive Boot -pressure SCBA -splash hat.* overalls). inner. outer, chemical outer, pressure, jacket; covers. (NIOSH chemical chemical chemical suit; supplied -resistant coveralls; approved). outer. full or -face -resistant. -resistant. -resistant, air clothing disposable one- chemical piece respirator steel (overalls or SCBA, two-piece chemical- -toe, -resistant with and and or level Level when respiratory necessary, needed. the of B is skin highest to protection but protection be a initiated lesser level of is is 23 CURET0N kV MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan Level Equipment Type of Protection 9. Face shield.* LEVEL C 1. (NIOSH 2. two-piece chemical 3. 4. 5. 6. shank.* 7. (disposable).* 8. 9. 10. Full Coveralls.* Gloves, Gloves, Boots Hard Escape Hooded Face Boot -face hat.* approved). -resistant (outer). shield.* chemical outer, inner, mask.* or chemical covers, half chemical chemical chemical -mask, overalls). -splash -resistant outer, -resistant. -resistant. -resistant, air suit; purifying clothing chemical or steel respirators disposable (overalls; -toe, -resistant and Level when and substance(s) and air are -purifying type(s) the met. the C is criteria to concentration(s) of respirators be airborne are initiated for known using LEVEL D# 1. 2. 3. shank. 4. 5. 6. 7. 8. Coveralls. Gloves.* Boots/shoes, Boots, Safety Hard Escape Face hat. shield.* outer. glasses mask.* chemical-resistant(disposable).* chemical or chemical -resistant. splash p steel goggles.* g gg -toe. and levels Level when contains and precludes unexpected or work minimal for contamination contact nuisance work the p uniform D of is chemicals. protection: no function to atmosphere the with known inhalation be affording potential hazardous only. initiated hazard A used of for Notes: *Optional. as applicable. # This is the required level of personal protective equipment (PPE) at the Facility and also includes wearing fire resistant (FR) clothing to perform routine work inside the Facility. 62 Emergency Pre -Planning This section provides an overview of how Facility operations and equipment support emergency pre -planning efforts. 24 GURET0N MIDSTREAM 6.2.1 Operations Hookside Gas Plant & Compressor Station Facility Emergency Response Plan • Above -ground storage tanks (ASTs) for storage of crude oil and hydrocarbon condensate will be constructed of materials compatible with the materials stored in accordance with appropriate American Petroleum Institute (API) and Underwriters Laboratories, Inc., standards. • ASTs will be supplied with lightening arrestors. • Earthen berms or a metal firewall sufficient to contain the contents of the largest AST will be constructed and maintained at each tank battery, and no ignition source will be located within the berm/firewall. • Hatches on all ASTs will be kept closed when not in use. • The Facility will be fenced to prevent access from the public. Cureton will comply with the 2012 International Fire Codes (IFC) that are applicable to the type and placement of tank(s) on site. • All valves, pipes. and fittings will be securely fastened and inspected at regular intervals so that they are maintained in good working order. • All ignition sources will be prohibited in the vicinity of any fire hazard and signs will be posted that indicate this. • Adequate fire extinguishers will be carried in every field vehicle. and clearly labeled as to their type and method of operation. • Field personnel will be trained in fire extinguisher use. • Fire protection equipment will be inspected regularly and maintained in good working order, in accordance with National Fire Protection Association (NFPA) Standard Number 10 requirements. 6.2.2 Fire Prevention and Protection (C0GCC 606A Series Guidelines) • Gasoline -fueled engines shall be shu: down during fueling operations if the fuel tank is an integral part of the engine. • Handling, connecting, and transferring operations involving liquefied petroleum gas (LPG) shall conform to the requirements of the State Oil Inspector. • Flammable liquid storage areas within any building shall: or Be adequately vented to outside air; Have two (2) unobstructed exits leading from the building in different directions if the building is in excess of 500 square feet; 25 %%7 CURET0N MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan ➢ Be maintained with due regard to fire potential with respect to housekeeping and materials storage; ➢ Be identified as a hazard and appropriate warning signs posted; and ➢ Heat trace and fire eyes shall be on equipment, as appropriate. • Flammable liquids shall not be stored within 50 feet of process areas, except for the fuel in the tanks of operating equipment or in the case of supply for injection pumps, and/or shall be stored within appropriate containers and away from ignition sources. Where terrain and location configuration do not permit maintaining this distance, equivalent safety measures should be taken (see 600-14 as of March 16, 2016). • Smoking shall be prohibited at and in the vicinity of operations which constitute a fire hazard. Such locations shall be marked and a sign conspicuously posted indicating, "No Smoking or Open Flame." Matches and all smoking equipment may not be carried into "No Smoking" areas. • No source of ignition shall be permitted in an area where smoking is prohibited unless it is first determined to be safe to do so by the supervisor in charge or his/her designated representative. • Open fires, transformers, or other sources of ignition shall be permitted only in designated areas located at a safe distance from a process area or flammable liquid storage area. • Combustible materials such as oily rags and waste shall be stored in metal containers. • Material used for cleaning shall have an appropriate flash point. • Firefighting equipment shall not be tampered with and shall not be removed other than for fire protection and firefighting purposes and services. A firefighting water system may be used for wash down and other utility purposes so long as the firefighting capability of the system is not compromised. After use, water systems must be properly drained or properly protected from freezing. • An adequate number of fire extinguishers and other firefighting equipment shall be suitably located, readily accessible, and clearly labeled as to type and method of operation. The NFPA Fire Code limits the distance to 75 feet for a Class A extinguisher (where an extinguisher is required for a regulated occupancy). Not more than half of the extinguishers can be replaced by proper hose stations with 1.5 -inch hose, and not more than every other extinguisher. • Fire protection equipment shall be periodically inspected and maintained in good operating condition at all times. NFPA Standard 10 requires each fire extinguisher in the workplace be inspected monthly for damage, correct pressure, condition of the hose and nozzle, broken seals, and proper documentation of inspections. Additionally, each fire extinguisher in the workplace is required to have an annual inspection to verify the extinguisher is in a position that is not blocked, ensuring the extinguisher is full, and 26 CURET0N MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan checking for damage. Annual inspections also involve conducting a pull test on the pin and replacing the seal, and marking or replacing the inspection tag documenting the inspection was complete and the date. Such tags can include space to document monthly inspections. • Portable fire extinguishers shall be tagged showing the date of last inspection, maintenance, or recharge. Inspection and maintenance procedures shall comply with the. latest edition of the NFPA Standard Number 10 described in the bullet above. • Firefighting equipment shall be readily available near all welding operations and hot work areas. When welding, grinding, cutting, or other hot work (i.e., tasks that include heat, spark, or produce a flame) is performed in locations where other than a minor fire might develop, a person shall be designated as a fire watch to monitor such operations and PPE shall be properly used. The area surrounding the work shall be inspected at least one (1) hour after the hot work is completed. Refer to Cureton's Process Safety Management Program Safe Work Practice to locate the Hot Work Permit Program documentation and guidelines. • Personnel shall be familiar with the procedure for requesting emergency assistance as terrain and location configuration permit. 7.0 Training and Implementation 7.1 Cureton's Training Program Educating Cureton personnel and contractors about the possible hazards associated with the Facility and training for concerted response efforts is critical to ensuring the safety of employees, contractors, and the public. This section outlines Cureton's training program. Cureton's Emergency Preparedness Training Program consists of the following: • Employee and contractor training for first aid, Hazardous Waste Operations and Emergency Response (HAZWOPER), fire awareness, and ERP training. • Table top exercises that include all parties that might be involved in an Emergency Response. The Emergency Preparedness Training Program is triggered as follows: • Prior to Plant Operation ➢ Emergency Preparedness Training Program training for Cureton employees and contractors. 27 CURET0N MIDSTREAM Hookside Gas Plant & Compressor Station Facility Emergency Response Plan ➢ Table top exercises that include Cureton personnel, emergency response agencies (e.g., sheriff, fire department, etc.), LEPC, and OEM representatives. • New Employee/Contractor ➢ Emergency Preparedness Training Program training. ■ May be incorporated in site safety training depending upon the level of employee or contractor involvement in an emergency response. • Change in Process ➢ Emergency Preparedness Training Program training for Cureton employees and contractors. ➢ Table top exercises that include Cureton personnel, emergency response agencies (e.g., sheriff, fire department, etc.), LEPC, and OEM representatives. • Annually ➢ Emergency Preparedness Training Program training for Cureton employees and contractors. ➢ Table top exercises that include Cureton personnel, emergency response agencies (e.g., sheriff, fire department, etc.), LEPC, and OEM representatives. 72 Table Top Exercises The table top exercises that Cureton will utilize for training are based on the 2016 National Preparedness for Response Exercises Program (PREP) Guidelines. The Facility -specific drills will be based on the EPA -Regulated Non -Transportation -Related On -shore and Off -shore Facilities Landward of the Coastline contained within the 2016 PREP Guidelines. Training logs will be placed in Appendix F for all table top exercises and employee/contractor trainings conducted for the Facility. 28 Facility Emergency Action Plan (EAP) Cureton Front Range, LLC Hookside Gas Plant & Compressor Station Facility xxx. xxx. xxxx Hookside Gas Plant & Compressor Station Facility Emergency Action Plan 1. Name: 2. Location: Cureton Front Range, LLC (Cureton) Hookside Gas Plant and Compressor Station Facility (Facility) Section 30, Township 9 North, Range 60 West A physical address does not exist at this time; this Emergency Action Plan (EAP) will be updated once an address is established. 3. Emergency Telephone Numbers: The Facility primary and secondary telephone numbers (day and night) will be populated here once the Facility is built and a phone line to the Facility is installed, assuming Weld County issues a Use by Special Review Permit for the Facility. Fire District Pawnee Fire Protection District 911 Ambulance Service Area Greeley Ambulance 911 Weld County Regional Communications Center 911 Other CDPHE (Colorado Department of Public Health & Environment) Spill Line National Response Center 877.518.5608 800.424.8802 CHEMTREC (Chemical Transportation Emergency Center) 800.424.9300 4. Agency Notification Non -Emergency Telephone Numbers: Pawnee Fire Protection District/Department: 970.895.2237 Greeley Ambulance Service Area: Ault Police Department: Weld County Regional Communication Center Weld County Office of Emergency Management 5. Surrounding Occupancies & Land Use: 970.353.5700 970.834.2852 970.350.9600 970.304.6540 The Facility equipment is located approximately: • 464 feet west of the east property line and 5.505 feet southeast from the nearest residential property. • 4,200 feet west of the western boundary of the site — two large structures. 1 Hookside Gas Plant & Compressor Station Facility Emergency Action Plan • 6,060 feet east of the southeast corner of the facility — multiple aboveground storage tanks and other structures. • 4.700 feet northwest of the of the northwest corner of the site — residential property. • 3,540 feet west of the southwest corner of the site — multiple aboveground storage tanks. 6. Available Personal Protective Equipment (PPE) and Location: Rubber or neoprene boots Rubber gloves Face shield or similar protection Hard hats On site On site On site On site Safety glasses On Site 7. Location of Emergency Equipment and Supplies: Front-end loader Oil roustabout Bulldozers Oil roustabout Dump trucks Oil roustabout Portable water pumps On site Street barriers Not applicable Sand bags Sand available on site Spill kits On site Fire extinguishers On site Location and Types of Water Supplies: Cureton will apply for a water well permit for commercial purposes in advance of the Facility becoming manned. Once the water well permit is obtained, the EAP will be updated. 9. Transportation Routes: Traffic will access the site mainly from the east on Weld County Road (WCR) 100 from WCR 390. Secondary access will be from the west on WCR 100, and from the south on WCR 95. Travel to the west will be on WCR 100 to WCR 89, then south to State Highway (SH) 14. Travel to the east will be on WCR 100 to WCR 390, then south to SH 14 on WCR 105. Cureton has applied for two access permits to access the site from WCR 100 (i.e., one for the gas plant entrance and one for the truck entrance) The access points will be approximately 843 feet and 1,329 feet west of the intersection of WCR 99. The EAP will be updated to reflect these access points once the access permits are obtained. 2 Hookside Gas Plant & Compressor Station Facility Emergency Action Plan 10. Process Overview: During the 60 -million standard cubic foot per day (MMscfd) Compressor Station Phase, low-pressure (LP) natural gas will enter the Hookside Facility and go into the low- pressure (LP) slug catcher. Gas from the LP slug catcher will be sent to compression. Liquids from the LP slug catcher will be stored on site in atmospheric storage tanks. Emissions from the tanks will be controlled with a combustor. The combustor will also be used to control emissions as required in the air permit application. Gas sent to compression will be compressed to pipeline pressure. Any liquids generated in compression will be returned to the LP slug catcher. Gas from compression will be cooled and sent to a glycol dehydration unit to reduce the water content to pipeline specifications. Gas from the glycol dehydration unit will pass through a filter coalescer before being sent to pipeline. Liquids from the filter coalescer will be returned to the LP slug catcher. Fuel gas for this facility will be taken from the dry gas downstream of the final filter coalescer. Other phases of the Hookside facility involve the expansion of the facility with, in no particulate order, a 20-MMscfd, 60-MMscfd, and a 200-MMscfd cryogenic gas separation unit. High-pressure (HP) natural gas will enter the facility into an HP slug catcher. Liquids from the HP slug catcher will be processed in a stabilizer unit to produce a natural gas liquid (NGL) product and a vapor product. Gas from the HP slug catcher will be combined with the vapor from the stabilizer unit and sent to gas treatment. Liquids from the stabilizer will be pumped up to pipeline pressure and blended with the liquids from the cryogenic gas separation unit. The inlet gas will potentially be treated in an amine unit to reduce the level of carbon dioxide and sulfur, if needed. The treated gas will then be dehydrated by molecular sieve. Dry gas will be sent to the cryogenic gas separation unit to recover various components from the natural gas depending on the Facility's mode of operation. Residue gas will be compressed, metered, and transported via pipeline or truck. A plant flare will be installed. The plant flare will only operate during maintenance operations and in emergency pressure relief situations. Each pipeline entering the facility will have a pig receiver. Each pipeline leaving the facility will have a pig launcher. Fuel gas for the expanded facility will be taken from the residue gas sent to pipeline. 11 Action Scenarios and Responses: Action Scenario 1: Weather - Lightning strike, tornado, and/or severe weather that causes damage to any process or operational equipment resulting in a release of gas or liquid. Response Scenario 1: Weather - In response to the Weather Action Scenario, Cureton Facility operators will isolate the source of failure to aid in the prevention of further escalation. The Facility will be equipped with spill kits to isolate certain levels of spills. The Facility will also be equipped with fire extinguishers to help prevent or 3 Hookside Gas Plant & Compressor Station Facility Emergency Action Plan e xtinguish small incipient stage fires. Cureton operators and contractors will be required to have Hazardous Waste Operations and Emergency Response (HAZWOPER) 40 - hour training. Cureton will rely on external resources for response, clean-up, and remediation, as applicable. The response resources, emergency classification, and tiered response levels are identified in Cureton's Emergency Response Plan (ERR). Action Scenario 2: Non -vehicle Equipment Failure — Major equipment failure resulting in the release of gas or liquid. Response Scenario 2: Non -vehicle Equipment Failure — In response to the Equipment Failure Action Scenario, Cureton Facility operators will isolate the source of failure to aid in the prevention of further escalation. The Facility will be equipped with spill kits to isolate certain levels of spills. The Facility will also be equipped with fire e xtinguishers to help prevent or extinguish small incipient stage fires. Cureton operators and contractors will be required to have HAZWOPER 40 -hour training. Cureton will rely o n external resources for response, clean-up, and remediation, as applicable. The response resources, emergency classification, and tiered response levels are identified in Cureton's ERP. Action Scenario 3: Truck -loading Equipment Failure — One or more truck -loading e quipment failures are experienced through mechanical or weather -related circumstances resulting in fire, and/or gas and/or liquid release. Response Scenario 3: Truck -loading Equipment Failure — Cureton Facility operators will isolate the source of failure to aid in the prevention of further escalation. The Facility will be equipped with spill kits to isolate certain levels of spills. The Facility will also be equipped with fire extinguishers to help prevent or extinguish small incipient stage fires. Cureton operators and contractors will be required to have HAZWOPER 40 -hour training. Cureton will rely on external resources for response, clean-up, and remediation, as applicable. The response resources, emergency classification, and tiered response levels are identified in Cureton's ERP. 12. Coordination with First -Responder Agencies: A Cureton Environmental Health and Safety (EHS) representative and emergency responders corresponded on Month Day, 2019, to review this EAP (see attached documentation of coordination). The Tier II report will be filed accordingly after operations start at the Hookside Facility and Tier II reporting due dates approach. 4 Hookside Gas Plant & Compressor Station Facility Emergency Action Plan 13. Safety and Training Review: Each year, all Cureton employees will be provided with necessary information concerning the proper handling of chemical spills and how to respond to the action scenarios/accidents described in Section 11 of this EAP. This information shall be communicated in the form of a review sheet detailing proper procedures, and the sheet shall be signed and dated by each employee following their review as acknowledgement that such information has been provided and that proper protocols are understood. Proper use of clean-up and containment tools and proper procedures will be demonstrated as necessary to promote the safe operation of the Facility. New or updated information and procedures will be distributed to employees as appropriate. Facility Manager Date Fire Department Official Date Weld County OEM Date 5 APPENDIX B Project Location Map, Site Plan, Plot Plan, Muster Point Map, Evacuation Route Map, and Hospital Route Map Colorado Weld County X E a. co CT a) in a J Ct 2 z O N c0 C 0) I I U, a) 0 O co N cc O O O In N 0 O CO 0 Wyoming I I I r__ i I- 7 I t.�_- , j I 1 I J ,_-__-_-._1 w••• Utah �1 r ' __ IIt J,�-�' I ,.,• ��IoraChT1" i � ,-- I r -r I-1 _ I- I --- , I - i ._, J _ I ( l ,--1 i ( ' I :^} , i it // --L__I_—_L / ar Nebraska Arizona New Mexico -1 Kansas I Oklahoma Texas 257 A' Greeley 263 Project Area PROJECT 018-2184 DRAWN BY I G. Malek-Madani DATE December 27. 2018 Cureton Hookside Project Project Location Map Weld County. CO 2 3 A C 0 OVERALL SITE PLAN HOOKSIDE GAS PLANT PARCEL: 096730000002 SECTION 30 TO9N R60W USRXX-XXXX G OWNER WNER• OWNER: aCEt tnNsx4cww4, I (PARCELGABEL CATTLE 0.C o4,50..01NS, I Ev t19019.00.00 1 (PARCATTLE LL0 GABEL CATTLE 4C CEL 05040000000 KkIER MARY SUE.. N ARCEL 140s25w1,O) OUSTINP WCR .00 ROW INOT COUNTY MAINTAINED, (PARCEL l 095 3.00 ) ICI ICI III Ili III III ai SABEItnE 00000.006750000001) PARCE1 95 3o v 00 30 PIPELINE ROW Gam. NO 9011Een ATTLE TLC (PARCEL 146,00000111) ei PROPERTY BOUND RY VERSION OFFLITE / SCREENING EXISTING DIRTI ROAD r 2L0MMSCED0YD `a 21MMSEED Ca O, (,ARE IAMINE SYSTEM NOT OIL SYSTEM xo 0 SLUG'CAio1Ea WEST DETENTION POND STERLING ENERGY / REC. NO. 3955,39 % ALL LLSIT LIGHTING �AxosH1E1EEo WCP. 00 RIGHT-OF-WAY BOOK 5. PAGE 199 (COUNTY MAINTAINED, (PARCEL X6530000:01) CEO EASEMENT RECORDED; OWNER SCOTT ADAMS (PA «06701000000 (PARCH u6 E Y0Uc3) IPARCELN46 91.0109: 000070100 E PROPOE D'NOT RECORDED; STABILIZER (PARC.N4R,20BN1000, INLET COMPRESSION Z,,, MUNICATIOx CONSTRUCTION TEMPARKING ANY DSSTORAGE (NOT COUNT, MAINTAINED) 3C PIPELINE ROW CUREPON REAM PROPOSED (NO RECORDED) NOBUILD/NO s Poa.ARtA n/fcC,EIROAD ,ROM (PAARCEL N4B,32011.1s) NOTES TOWNSMPsz NORTHPNGEB07,/:,9TH11:I TitMVOHLV EU OUN1,',WTEOFN3 Z. HE:SITE SU00EY FOR THIS PROJECT WAS PREPARED EN LW SURVEY CO. AND WAS RECEIVED O OLI ON 0 STATE PLANE VERi G NOATUM NORTH AMERI19,0 U CAN VERTICAL SURVEY DRUM 1Y11�aollulEs. NORM ZONE NORTH 1. THE DEVELOPED SITE WILL BE LAW.... PLACING GRAVE1 AROUND THE PROCESSING AND ALL OTHER D AR.S WITH NATIVE 4. >IiE LIGHTING INFORMATIONANDANC SOILS NFORMATION CAN BE FOUND ON GRASSES. S P.CE-144. 000. LEGEND -- LEASE BOUNDARY EXISTING II IGHT.OP-WAY SECTION LINE EXIRTINC FMCS PROPOSED FENCE DRAINAGE FLOW ARROW • Bemm etb.6YL CrdleexswXw. REFERENCE DRAWINGS A REVISIONS C B I ISSUED FOR PERMIT - ADO COMM. TOWER 101/2z/19.MTC 15SUEO FOR PERMIT 12/28./10.MTC REVISIONS M. 00000 12/20/2010 M 12/21/201¢ M. SRELEKEY 0126/2018. 0., NRETON MIDSTREAM CURETON 'MIDSTREAM :i.>. WELD COUNTY, CO SE Samuel Engineering TIRE PROJECT NUMBER HOOKSIDE GAS PLANT 200MMSCFO CRYOGENIC GAS PLANT CIVIL USR 19-XXXX MAP OVERALL SITE PLAN D r G 18189 DRAWING NUMBER. HSGP-CE-10Z Ie 3 4 ry� A C 0 G vROM. n BOUNUARy \ OUSTING DIRT TINO-TR. ROAD • FUSRE J AMINE CR01EM 44 HSG B TANK STORAGE \ WEST DETENDON D LIN. NO BVELL/NO STORAGE AREA 36 HSG C 361 PIPELINE.. REC. NO.4.1957 YA REC. NO.... ELL PIP.NE ROW 7 40 HOG C Dcnsr AND SHIIEELD PLOT PLAN HOOKSIDE GAS PLANT PARCEL: 046730000002 SECTION 30 T09N R6OW USRXX-XXXX TRZ /SCREENING Ax. HOT O ,` SLUG CATCHER EXNG IEC \(No EISOEASEMBURENT RECORDED) \ 86 �� S REcIEVER soMMSCRO TRAIN Raw I U O" ..LIVER ORA. • ACCEKS ROAD FR. WCR I1 J EUaSTATION 1O 0000 J� 0000 ! \0U0000, �nI II II �I II II II II IIIIIIµlI1y11I1I11111I1111I11I1111I1I I1I1 rC VIIIII III I�N III ITIIIRUL auiumuiuumminIuuuil II IIIIIII II II INII III I I I III III I INEIIIH g voolmm *It orfr 1111.1 i!II 4100c FENCE L+ -J VEHICLE IMACKINI, CONTROL CLUEING ALL CONSTRUCTION PLOPosED SITS ACCESS ROAD FROM WCR OWNER SCOTT MANS DEBORAH L. ADAMS (PARCEL 446/31L46.4, 4 j-- --- POIN �� I i EL. ND. 399E29B r a I I I I II I1 I I I '1 L - ___F L. 4L1 OWNER (PARCEL uSETIEIISLSe. INLET coMPP.SION EXIST-MEW. Lx AN. NEo6DRDW) COMMUNILATION I 11561PoRARY CONSTRUCTION 1 PARKING.. 5101.0E DIOSTREAPI PROPOINE ROW CuRETSED (NOT RECORDED) DETENTION POND LIESIGN • ND Bunnilm ST AR EAR sameremaballas I L+-1 _ IiME6TLw,yPYW L 11 - -1 25 —150'410 • SCALE II = 159 15KitOu?a I ,,. -EA 13 SECTION 20 SEC.. STE tiK1If)N.7� .6.63.93O TON EGO W A' FM \ SECTION 36 VICINITY INCA 100 MAP 1,CILVN3 (4111' = 2060 NOTES 1. THE HOCKEN. GAS .NT PROPOSED SITE IS LOCATED IN THE SOUTHEAsT 1/4 OF SECT. Lc TOWNSHIP 6 NoR111, .NGE 6C WEST. ENDUE.. MERIDIAN. WE. colleitt, STAY-EDF 2. iu uilLa,auavn FOR THIS PROIECT WAS PREPARED BY LW SURVEY CO. AND WAS RECFWED oN HORIBoNTAL DATUM. EASED ON COLORADO STATE RANT ROLualEs. NOS. ZONE uovTH AMERICAN HORTBONTAS DATUM, 1983, U.S. SURVEr VERTICAL Dann. NORTH AMERICAN VERTICAL DATUM 1988. 4. THE PROCESS AREA LI.IING PLANE.. IS.. AS SEPARATE DO.MENIS. PROPERTY LEGAL DESCRIPTION NOaii- RAxGE et wErl, V/ PRlxnvaL MERIDLaN. WAD muxn, 5TnTE/' OP 5rZO0'.. TO '"' HOOKSIDE CRYOGENIC GAS PLANT XXXX COUNTY ROAD 100 WELD COUNTY, COLORADO USR 19-XXXX IN CASE OF EMERGENCY CALL. 911 PAWNEE FIRE PROTECTION DISTRICT: (303) 732-4203 HOOKSIDE CRYOGENIC GAS PLANT COMPANY EMERGENCY CONTACT (XXX) XXX-%XXX K-22 (WOVE GRADE PROJECT SIGN LEGEND EXISTING RIGHT-0E-wAY SECTION LINE PROPOS. EASEMENT DRAINAGE.. HARROW GRAVEL ACCESS ROAI3 P0.40.1130 FLOOD LIGHT NORTH NRCS WEB SOIL SURVEY DATA WORLD.. LSOIL SYMBO PAY SOIL NAME CROUP RATING MAN.NOLA COMP. (L . TO 3•n SLOPES) C 36 LOAM (O9%TO 3IN ELOPES) C M WS 6.6 PIA H % To ev 5'LOPES) STONEHAM FINES A (P%TO b%SLOPES) B BE PIAMS REFERENCE DRAWINGS REVISIONS I IMTC SE MTGMAS N ISSUED FOR PERMIT - ADO COMM. TOWER o1/33/l9!MrC A ISSUED FOR PERMIT 12/28/IE.MTC REVISIONS HEN 12/20/30IB 12/2R/2838 /2B/2BSR - • CURET°N MIDSTREAM a WELD COUNTY, CO ()Samuel Engineering We War. Soluoonn nrume Pn SPYLIsu. ' f .2 tiV euRETON MIDSTREAM TITLE PROJECT NUMBER HOOKSIDE GAS PLANT 29OMMSCFD CRYOGENIC GAS PLANT CIVIL USR 19-XXXX MAP PLOT PLAN 18189 DRAWING NUMBER HSGP-CE-104 ,H. 0 C 0 E G 2 4 Hookside Compressor Station & Gas Processing Plant Layout Outline Hookside Compressor Station & Gas Processing Plant Hookside Compressor Station & Gas Processing Plant Weld County. Colorado Olsson Project # 018-2184 Muster Location Map 0 a B 1 G C C 0 W -J a z ("1 N O CO Q C a, n a a 6 V CO 0 S 0 0 to 0 h Hookside Compressor Station & Gas Processing Plant Weld County, Colorado Olsson Project # 018-2184 Evacuation Route Map F ,20182001-2500\018-2184 40 -Design GIS 19-01-23_NRPL_Evac and Muster.mxd User rdon Data Source Follow roundabout south onto Rocky Mountain Ave Take southbound exit onto 1-25 UCHealth Medical Center of the Rockies ER 2500 Rocky Mountain Ave.. Loveland CO 80538 Exit facility traveling east on Co Rd 100 Turn west onto Crossroads Blvd Continue south through roundabout on Rocky Mountain Ave Turn south into Emergency entrance UCHealth Medical Center of the Rockies ER 2500 Rocky Mountain Ave.. Loveland CO 80538 Turn south onto Co Rd 43 For UCHeatth Medical Center of the Rockies, continue west on State Hwy 14 Turn east into Emergency entrance North Colorado Medical Center ER 1801 16th St., Greeley, CO 80631 Turn north onto 21st Ave ESRI - World Imagery 0 9,000 18,000 1 inch = 18000 feet Legend Level III Trauma Center a Hospital Route QHookside Compressor Station & Gas Processing Plant Hookside Compressor Station & Gas Processing Plant Weld County, Colorado Olsson Project # 018-2184 Hospital Route Map �4 1 44 ^eTt r �Y�Y"._ 'a'P 1�+ 1 +r,•- .-'7 r ..n. 77. 1.0 t 'r4 11 It OSHA's Form 300 (Rev. 01/2004) Log of Work -Related Injuries and Illnesses aa&ss,inza t et... ,.., .1acww:n rcrnata: teni.r:laanitta P+.cadraii aat atJtneavS:,:r₹ealnaagasc.-1. Attention: This form contains information relating to employee health and must be used in a manner that protects the confidentiality of employees to the extent possible while the information is being used for occupational safety and health purposes. You must record information about every work -related death and about every work -related injury or illness that involves loss of consciousness, restricted work activity or job transfer, days away from work, or medical treatment beyond first aid. You must also record significant work -related injuries and illnesses that are diagnosed by a physician or licensed health care professional. You must also record work -related injuries and illnesses that meet any of the specific recording criteria listed in 29 CFR Part 1904.8 through 1904.12. Feel free to use two lines for a single case if you need to. You must complete an Injury and Illness Incident Report (OSHA Form 301) or equivalent form for each injury or illness recorded on this form. If you're not sure whether a case is recordable, call your local OSHA office for help. Identify the person (A) (B) Case Employee's name no. (C) Job title (e.g., Relder ) Describe the case (D) Date of injury or onset of illness month/day month/day month/day / month/day / month/day / month/day / month/day / month/day / month/day / month/day / month/day / month/day / month/day (E) Where the event occurred (e.g.. Loading dock ►iurtlr. end) (F) Describe injury or illness, parts of body affected, and object/substance that directly injured or made person ill (e.g.. Second degree burns an right /olear nn Junu acetylene twcb ) Public repot ring burden tor this collection of inti.,rntatiuu is cstitn:lied to a.eragc I '1 nunutes pert espouse. int !tiding tine• to I cuct% the instruct ions, search and gather the data needed, and complete and re% in% the collection IA inlorntatton. Pet SOUS ere nut It:pilled ut respun(I w the COIICCUOtt of inturn►auun unless it. displiosacurrcnt)) valid ()MB control unutbet. 11 von have any comments about these estimates ur an) uthct aspects of tills data tollettiuh , (onta( t: LS l)epartntent u1 Lalxtr, OSI IA ()flit e of Statistical .\naksis, Room n-36.14, 200 Constitution Avenue, NW, \Vashiugton. 1)(. `?0210. Do not send the cuutplete(1 forms to this office. Page totals> Classify the case CHECK ONLY ONE box for each case based on the most serious outcome for that case: Remained at Work Days away Job transfer Death from work or restriction (G) (H) (I) Other record- able cases (J) ❑ ❑ Year 20 U.S. Department of Labor Occupational Safety and Health Administration Establishment name city I -1. F„(< L)\II. Enter the number of days the injured or ill worker was: kme Away On job from transfer or work restriction (Ki (L] clays clays day, clays days clays days days days days clays clays days days days clays ctav,, days days clays days days days days Be sure to transfer these totals to the Summary page (Form 300A) before you post a. Page of State Check the "Injury" column or choose one type of illness: U ❑ ❑ ❑ J. 0 n ❑ u Skin disorder (1) (2) (3) (4) (5) (6) OSHA's Form 300A (Rev. 01/2004) Summary of Work -Related Injuries and Illnesses All establishments covered by Part 1904 must complete this Summary page, even if no work -related injuries or illnesses occurred during the year Remember to review the Log to verily that the entries are complete and accurate before completing this summary Using the Log, count the individual entries you made for each category Then write the totals below, making sure you've added the entries from every page of the Log. II you had no cases, write "0." Employees, former employees, and their representatives have the right to review the OSHA Form 300 in its entirety They also have limited access to the OSHA Form 301 or its equivalent. See 29 CFR Part 190435, in OSHA's recordkeeping rule, for further details on the access provisions for these forms. Number of Cases `total number of deaths (G) "Total number of cases with days away from work (H) Total number of cases with job transfer or restriction (I) Total number of other recordable cases (J) Number of Days Total number of days away from work (K) Total number of days ofjob transfer or restriction (L) Injury and Illness Types Total number of.. (M) (1) Injuries (2) Skin disorders (3) Respiratory conditions Post this Summary page from February Pubht reporting burden tier this collection of inftwitiation is complete and I rc v the collection of infinluation. Persons continents alum r these eStilllateNor try culler aspecis of this Washington, DC: 20210. Do non tend the completed forms t (4) Poisonings (5) Hearing loss (6) All other illnesses f to April 30 of the year following the year covered by the form. estimated t I ion :nerage Se minutes pen response, nduding time to review the inso ucticnis, search and gather are data needed, and ire not requited to respond to the c dletuou of intro motion 11IlieSS ir display' a cut rently valid ()M it control number. If you have any data collection. contact: LS Delta, intent of Cabot, ()511,\ Mice of Statistical Analysis, Coon, N,.361 ,1, 21111 Constitution Ae mue, NU', o this °trite. Establishment information Your establishment name Sweet City Year 20_ U.S. Department of Labor Occupational Safety and Health Administration i•urhhr approved 115111 int 12In-111711 State ZIP Industry description (r.y., Maoelanorr nlbmtor nook trailer_,) Standard industrial C tassiticauoe (SIC:). h fkuuwu (c_p., J7tU) OR North Ammrtcau Industrial Classdication (NAICS), if kuuwu (e.g., 33621?) Employment information (p),,,, dolt have it,,e.gjare,, tht bbihrk,6ret nu arc hark nllhi; t ao' nh Cilil//n/C.) Annu:11 average number of employers T td hours worked by all employees last year Sign here Knowingly falsifying this document may result in a fine. I certify that I have examined this document and that to the hest of my knowledge the entries are true, accurate, and complete. m.a Optional Worksheet to Helm You Fill Out the_Summary At the end of the year, OSHA requires you to enter the average number of employees and the total hours worked by your employees on the summary If you don't have these figures, you can use the information on this page to estimate the numbers you will need to enter on the Summary page at the end of the year How to figure the average number of employees who worked for your establishment during the year: O Add the total number of employees your establishment paid in all pay periods during the year. Include all employees: full-time, part-time, temporary, seasonal, salaried, and hourly. © Count the number of pay periods your establishment had during the year. Be sure to include any pay periods when you had no employees. © Divide the number of employees by the number of pay periods. O Round the answer to the next highest whole number. Write the rounded number in the blank marked Annual average number of employees. The number of employees O paid ill all pay periods = The number of pat, periods during the year = _ The number rounded = 0 For example, Acme Construction figured its average employment this way: For pay period... 9 3 4 5 V 24 25 26 Acme paid this number of employees... 10 15 30 40 • 20 15 +10 830 Number of employees paid = 830 Number of pay periods = 26 830 = 31.92 26 31.92 rounds to 32 0 32 is the annual average number of employees How to figure the total hours worked by all employees: Include hours worked by salaried, hourly, part-time and seasonal workers, as well as hours worked by other workers subject to day to day supervision by your establishment (e.g., temporary help services workers). Do not include vacation, sick leave, holidays, or any other non -work time, even if employees were paid for it. If your establishment keeps records of only the hours paid or if you have employees who are not paid by the hour, please estimate the hours that the employees actually worked. If this number isn't available, you can use this optional worksheet to estimate it. Optional Worksheet X Find the number of full-time employees in your establishment for the year. Multiply by the number of work hours for a full-time employee in a year. This is the number of full-time hours worked. Add the number of any overtime hours as well as the horns worked by other employees (part-time, temporary, seasonal) Round the answer to the next highest whole number. Write the rounded number in the blank marked 7olal hours worked by all employees last yea): OSHA's Form 301 Injury and Illness Incident Report This I'nj'ury and IIbless Incident Report is one of the first loans you must fill out when a recordable work - related injury or illness has occurred. Together with the Log of Work -Related Injuries and Illnesses and the accompanying Summary, these forms help the employer and OSHA develop a picture of the extent and severity of work -related incidents. Within 7 calendar days after you receive information that a recordable work -related injury or illness has occurred, you must fill out this form or an equivalent. Some state workers' compensation, insurance, or other reports may be acceptable substitutes. 'lb be considered an equivalent limn, any substitute must contain all the information asked for on this form. According to Public Law 91-596 and 29 CFR 1904, OSHA's recordkeepimg rule, you must keep this form on file for 5 years following the year to which it pertains. If you need additional copies of this form, you may photocopy and use as many as you need. Completed by Title Phone ) — Date Information about the employee t) Full name 2) Street City - 3) Date of birth 4) Date hired 5) ❑ Male ❑ Female State _._ ZIP Attention: This form contains information relating to employee health and must be used in a manner that protects the confidentiality of employees to the extent possible while the information is being used for occupational safety and health purposes. Information about the physician or other health care professional 6) Name of physician or other health care professional 7) If treatment was given away from the worksite, where was it given? Facility Street City 8) Was employee treated in an emergency room? ❑ Yes ❑ No Slate ZIP 9) Was employee hospitalized overnight as an in -patient? ❑ Yes ❑ No Information about the case 10) Case number from the Log 11) Date of injury or illness / / 12) Time employee began work 13) Time of event U.S. Department of Labor Occupational Safety and Health Administration :pin n id O511i uu. 1218-0176 _ (T ml. f r the hue number /row the Lug alter you farina/ the Ia..) AM / PM AM / PM ❑ Check if time cannot be determined 14) What was the employee doing just before the incident occurred? Describe the activity, as well as the tools, equipment, or material the employee was using. Be specific. Examples: "climbing a ladder while carrying roofing materials"; "spraying chlorine from hand sprayer"; "daily computer key -entry." 15) What happened? Tell us how the injury occurred. Examples: "When ladder slipped on wet floor, worker fell 20 feet"; "Worker was sprayed with chlorine when gasket broke during replacement"; "Worker developed soreness in wrist over time." 16) What was the injury or illness? Tell us the part of the body that was affected and how it was affected; be more specific than "hurt," "pain," or sore." Examples: "strained back"; "chemical burn, hand"; "carpal tunnel syndrome." 17) What object or substance directly harmed the employee? Examples: "concrete floor"; "chlorine"; "radial arm saw." If this question does not apply to the incident, leave it blank. 18) If the employee died, when did death occur? Date of death Public reporting bunk,, I7u this Iles lion or information is estimated it, average 22 illtUS per response, se, nclud g time For reviewing inSt r.tiOnS. searching existing dant sources. gathering and maintaining inouning the data needed, and ct nhpletiug find reviewing the collection of ill11n m: i on c, ams are not required to respond to the collection ,f iulio natinu 'less ii displays a t urrent valid Ub111 control ntber If yon lune omments about this estimate or an) other aspects of this data collection, -eluding suggestions fun mincing Icing this burden, contact: LS Iepawnent of Labor, OSt-1:\ ()lice of Statistical Analysis, Room, 5-3641, 200 COUSLILLItiOll Avenue, NW, Washington, 1)C 20210. uo not scud rile completed fortis to this office. FORM FOR OGCC USE ONLY 19 Rev 6/99 State of Colorado Oil and Gas Conservation Commission 1120 Lincoln Street, Suite 801, Denver, Colorado 80203 (303)894-2100 Fax:(303)894-2109 SPILL/RELEASE REPORT This form is to be submitted by the party responsible for the oil and gas spill or release. Any spill or release which may impact waters of the State must be reported as soon as practicable; any spill over 20 bbls must be reported within 24 hours and all spills over five bbls must be reported within ten days. Submit a Site Investigation and Remediation Workplan (Form 27) when requested by the Director. OPERATOR INFORMATION Name of Operator: OGCC Operator No: Address: City: State: Zip: Contact Person: Spill report taken by: FACILITY ID: Phone Numbers No: Fax: E -Mail: DESCRIPTION OF SPILL OR RELEASE Date of Incident: Facility Name & No.: County: QtrQtr: Well Name and Number: Township: API Number: Meridian: Specify volume spilled and recovered (in bbls) for he following materials: Oil spilled: Oil recov'd: Water spilled: Water recov'd: Other spilled: Other recov'd: Ground Water impacted? ❑ Yes ❑ No Surface Water impacted? ❑ Yes ❑ No Contained within berm? ❑ Yes El No Area and vertical extent of spill: x Current land use: Weather conditions: Soil/geology description: IF LESS THAN A MILE, report distance IN FEET to nearest.... Surface water: wetlands: buildings: Livestock: water wells: Depth to shallowest ground water: Cause of spill (e.g., equipment failure, human error, etc.): Detailed description of the spill/release incident: Type of Facility (well, tank battery, flow line, pit): Section: Range: CORRECTIVE ACTION Describe immediate response (how stopped, contained and recovered): Describe any emergency pits constructed: How was the extent of contamination determined: Further remediation activities proposed (attach separate sheet if needed): Describe measures taken to prevent problem from reoccurring: OTHER NOTIFICATIONS List the parties and agencies notified (County, BLM, EPA, DOT, Local Emergency Planning Coordinator Date Agency Contact Phone Response Spill/Release Tracking No: APPENDIX E Emergency Contact Information Card Appendix F Facility Training Logs CURETON MIDSTREAM Scheduling and Attendance Form (Course Title) Safety Training Session Schedule Employee Date Time Signature GURETON MIDSTREAM Scheduling and Attendance Form (Course Title) Facility Training Session Schedule Employee Date Time Signature Phase I Environmental Site Assessment Cureton Front Range, LLC Cureton 162 -acre Hookside Project Site Section 30, Township 9 North, Range 60 West Weld County, Colorado Prepared for: Cureton Front Range, LLC 518 17th Street, Suite 1405 Denver, CO 80202 December 2018 Olsson Project No. 018-2184 olsson Cureton Front Range, LLC Cureton 162 -acre Hookside Project Site, Weld County, CO Project No. 018-2184 Phase I Environmental Site Assessment December 2018 Acronyms and Abbreviations AAI All appropriate inquiry AIRS Aerometric information retrieval system ASTM American Society for Testing and Materials AST Aboveground storage tank AUL Activity and use limitation BFPD Briggsdale Fire Protection District CDLE Colorado Department of Labor and Employment CDPHE Colorado Department of Public Health and Environment CERCLA Comprehensive Environmental Response, Compensation, and Liability Act CERCLIS CERCLA Information System CESQG Conditionally exempt small quantity generator CFR Code of Federal Regulations COGCC Colorado Oil and Gas Conservation Commission CORRACTS Corrective Action Sites CREC Controlled recognized environmental condition Cureton Cureton Front Range, LLC EHSR Environmental Health and Safety Resource (Director for Cureton - User Title) EPA U.S. Environmental Protection Agency ERNS Emergency Response Notification System ESA Environmental Site Assessment FINDS Facility Index System HREC Historical recognized environmental condition kg kilogram LAST Leaking aboveground storage tank LQG Large quantity generator LUST Leaking underground storage tank MSDS Material safety data sheet NFRAP No further remedial action planned NGVD National Geodetic Vertical Datum Noble Noble Energy, Inc. NonGen/NLR Non-Generator/No longer reporting (RCRA Non -Generator) NOV Notice of violation NPL National priorities list NRCS U.S. Natural Resource Conservation Service OPS Oil and Public Safety (a division of CDLE) PCB Polychlorinated biphenyl RCRA Resource Conservation and Recovery Act REC Recognized environmental condition SEMS Superfund Enterprise Management System SHWS State hazardous waste site SQG Small quantity generator TSDF Treatment, storage, and disposal facility U.S.C United States Code USGS U.S. Geological Survey Page i Cureton Front Range, LLC Phase I Environmental Site Assessment Cureton 162 -acre Hookside Project Site, Weld County, CO December 2018 UST Underground storage tank WCR Weld County Road Page ii Cureton Front Range, LLC Phase I Environmental Site Assessment Cureton 162 -acre Hookside Project Site, Weld County, CO December 2018 Table of Contents 1. Executive Summary 1 2. Introduction 2 2.1 Purpose of the Environmental Site Assessment 2 2.2 Scope of Services 2 2.3 Limitations and Exceptions 3 2.4 User Reliance 3 3. User -Provided Information 4 3.1 Environmental Liens or Activity and Use Limitations 4 3.2 Specialized Knowledge 4 3.3 Commonly Known or Reasonably Ascertainable Information 4 3.4 Valuation Reduction for Environmental Issues 4 3.5 Obvious Indicators of Presence or Absence of Contamination 4 3.6 Other Information 4 4. Property Description 5 4.1 Location 5 4.2 Property and General Vicinity Characteristics 5 5. Property and Adjoining Property Reconnaissance 7 5.1 Reconnaissance Methodology and Limiting Conditions 7 5.2 Current Property Use 7 5.3 Property Reconnaissance 7 5.4 Adjoining Property Reconnaissance 9 6. Historical Resource Review 10 6.1 Historical Topographic Maps 10 6.2 Historical Aerial Photographs 11 6.3 City Directories 12 6.4 Historical Fire Insurance Maps 12 6.5 Historical Information Summary 12 7. Environmental Records Review 13 7.1 State and Federal Regulatory Databases 13 7.2 Database Information 16 7.3 Additional Environmental Record Sources 16 7.4 Records Review Summary 17 8. Vapor Migration Assessment 18 9. Interviews 18 Page iii Cureton Front Range, LLC Phase I Environmental Site Assessment Cureton 162 -acre Hookside Project Site, Weld County, CO December 2018 10. Additional Services 19 11. Findings 19 12. Opinion 19 13. Conclusions 19 14. Deviations 19 15. References 19 16. Signature of Environmental Professional 20 Appendices Appendix A Appendix B Appendix C Appendix D Appendix E Appendix F Figures Client Provided Information Reconnaissance Photographs Historical Information Environmental Database Report & Regulatory Agency Information Environmental Professional Qualifications F:\2018\2001-2500\018-2184\40-Design\Reports\NRPL\Phase I ESA\Report\Phase I ESA_Cureton 162 -acre Hookside Project Site_122118.docx Page iv Cureton Front Range, LLC Phase I Environmental Site Assessment Cureton 162 -acre Hookside Project Site, Weld County, CO December 2018 1. Executive Summary Olsson was retained by Cureton Front Range, LLC (Cureton) to perform a Phase I Environmental Site Assessment (ESA) for the Cureton 162 -acre Hookside Project Site in Weld County, Colorado (hereinafter referred to as the "Property"). Olsson performed this Phase I ESA in conformance with the scope and limitations of the American Society for Testing and Materials (ASTM), Standard Practice for Environmental Site Assessments: Phase I Environmental Site Assessment Process (ASTM E1527-13). Any exceptions to, or deletions from, this practice are described in Section 13 of this report. A summary of the ESA findings is presented in Section 1.1 based on Olsson's review of historical records, regulatory databases, site reconnaissance, and interviews. 1.1 Findings •The�fneo rn�g bullets rtycnsisuis or the ae loprtfindingparcel located within a scattered oP yconsists o an un eve etl rangeland residential and industrial setting. Native vegetation covers the Property, and natural depressions were observed on the Property. Pipeline markers were observed along the southern and eastern portions of the Property. An unimproved two -track road borders the Property on its eastern side, Weld County Road (WCR) 99, with unlined borrow ditches on both sides of the road. A fenced pipeline pigging station was observed in the southeast corner of the Property. Four orange markers were observed along the Property's northern border. • Gabel Cattle, LLC currently owns the Property which is currently and historically undeveloped rangeland. The Property comprises 162 acres bordered by WCR 100 on the south and WCR 99 on the east. Cureton will take ownership of the property if/when their Use by Special Review Permit request is approved by Weld County. Surrounding properties are mostly unimproved and consist of rangeland amidst scattered residential properties. A windmill and water well were observed east of the Property, and an oil and gas tank battery was observed west of the Property. No improvements were observed on the Property. • A review of the historical records for the Property did not identify any recognized environmental conditions (RECs) or historic recognized environmental conditions (HRECs) associated with the Property. The historical resources reviewed were not provided at five-year intervals; therefore, this is considered a data gap. Although this is considered a data gap, it may be minor since historically the Property and surrounding areas appear to have been rangeland, agricultural, and were undeveloped with the exception of scattered residences. • The Property was not referenced in the environmental database report, and the database report did not identify any off -site listings within the prescribed ASTM search of the Property. Interviews with agencies did not identify RECs in conjunction with the Property. 1.2 Opinion It is Olsson's opinion that further environmental assessment of the Property is not warranted based on the ESA report findings. This report should be read in its entirety to obtain a complete understanding of the Property conditions. Page 1 Cureton Front Range, LLC Phase I Environmental Site Assessment Cureton 162 -acre Hookside Project Site, Weld County, CO December 2018 2. Introduction The Cureton 162 -acre Hookside Project Site is bordered by WCR 100 on the south and WCR 99 on the east. Grover is the closest town and is located approximately 11 miles northwest of the Property in Weld County, Colorado. A Vicinity Map depicting the Property location reproduced from a portion of the applicable U.S. Geological Survey (USGS) 7.5 -minute series topographic maps is included in Appendix A. 2.1 Purpose of the Environmental Site Assessment This ESA was prepared in a manner consistent with the E1527-13 ASTM Standard, with the exception of any limitations noted in this report. The purpose of the ESA is to assist Cureton, also referred to as the "User" or "Client," in developing information to identify RECs in connection with the Property as defined by the ASTM E1527-13. The intent of the ESA is to assist the User in achieving an innocent landowner defense by fulfilling the requirements of "all appropriate inquiry" (AAI) under Section 107 of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA, 42 United States Code [U.S.C.] 9607), as modified by the Brownfields Amendment, Final Rule at 40 Code of Federal Regulations (CFR) Part 312. ASTM E1527-13 defines a REC as the presence or likely presence of any hazardous substances or petroleum products in, on, or at a Property: (1) due to any release to the environment; (2) under conditions indicative of a release to the environment; or (3) under conditions that pose a material threat of a future release to the environment. De minimis conditions are not considered RECs. ASTM E1527-13 also utilizes the term Historical Recognized Environmental Condition or HREC to describe a past release of any hazardous substances or petroleum products that has occurred in connection with the Property and has been addressed to the satisfaction of the applicable regulatory authority or meeting unrestricted use criteria established by a regulatory authority, without subjecting the Property to any required controls (for example, property use restrictions, activity and use limitations, institutional controls, or engineering controls). In subsequent updates or revisions to a Phase I ESA, conditions initially identified as HRECs may be considered RECs if there has been a change in the regulatory criteria since the past release received closure approval. A Controlled Recognized Environmental Condition (CREC) is a REC resulting from a past release of hazardous substances or petroleum products that has been addressed to the satisfaction of the applicable regulatory authority (for example, as evidenced by the issuance of a no further action letter or equivalent, or meeting risk -based criteria established by a regulatory authority), with hazardous substances or petroleum products allowed to remain in place subject to the implementation of required controls (for example, property use restrictions, activity and use limitations, institutional controls, or engineering controls). 2.2 Scope of Services This Phase I ESA was performed in accordance with our Client -approved proposal dated December 3, 2018. The ESA scope of services was undertaken through a review of: regulatory databases; historical and physical record resources; interviews, as applicable; User -provided Page 2 Cureton Front Range, LLC Phase I Environmental Site Assessment Cureton 162 -acre Hookside Project Site, Weld County, CO December 2018 information; and visual non-invasive reconnaissance of the Property and adjoining properties. Any limitations, ASTM E1527-13 deviations, or significant data gaps are presented in the report text. 2.3 Limitations and Exceptions This ESA is not to be construed as legal interpretation or advice. Olsson has endeavored to meet the ASTM E1527-13 standard, but we may have been limited by Property conditions or by the inability to review information not received by the report date. An evaluation of the significance of these limitations and missing information with respect to our findings has been conducted, and where appropriate, significant data gaps are identified and discussed in the text of the report. No ESA can wholly eliminate uncertainty regarding the potential for RECs in connection with a property. Performance of an ESA is intended to reduce, but not eliminate, uncertainty regarding the potential for RECs. No warranties, express or implied, are intended or made. The limitations herein must be considered when the User of this report formulates opinions as to risks associated with the Property or otherwise uses the report for any other purpose. Based upon the agreed -on scope of services, this ESA did not include subsurface or other invasive assessments, business environmental risk evaluations, or other services not particularly identified and discussed herein. Information obtained for this ESA was received from several sources that we believe to be reliable; nonetheless, the authenticity or reliability of these sources cannot and is not warranted hereunder. 2.4 User Reliance Cureton may rely on the findings and conclusions of this report. If the ESA will be used by a different (e.g., third) party other than those parties for whom the ESA was originally prepared, the third party must also satisfy the User's responsibilities in Section 6 of ASTM E1527-13. The effective date of the report is December 12, 2018, which corresponds to the date of the regulatory database search. Continued viability of the ESA is contingent on the terms set forth in ASTM E1527-13 Sections 4.6 and 4.8. Page 3 Cureton Front Range. LLC Cureton 162 -acre Hookside Project Site, Weld County, CO Phase I Environmental Site Assessment December 2018 3. User -Provided Information The following information in Sections 3.1 through 3.6 was provided by Mr. Nick Holland, Environmental Health Safety Resource (EHSR) Director for Cureton, as well as User, in order to assist in the identification of RECs. A copy of the User -provided information is presented in Appendix B. 3.1 Environmental Liens or Activity and Use Limitations Any recorded land title records and lien records against the Property were not provided by the User. These records are used to determine if there are environmental liens and activity and use limitations (AULs) in connection with the Property. Mr. Holland stated he is not aware of any liens or AULs in conjunction with the Property. 3.2 Specialized Knowledge Mr. Holland was not aware of any specialized knowledge or experience that is material to RECs in connection with the Property. He was not aware of any obvious indicators that point to the presence or likely presence of contamination at the Property. 3.3 Commonly Known or Reasonably Ascertainable Information The User representative was not aware of any commonly known or reasonably ascertainable information within the local community about the Property that is material to RECs in connection with the Property. 3,4 Valuation Reduction for Environmental Issues The User representative indicated the purchase price reflects fair market value. 3.5 Obvious Indicators of Presence or Absence of Contamination The User representative was not aware of obvious indicators regarding the presence or likely presence of releases or threatened releases at the Property. 3.6 Other Information No additional information was provided by the User as part of this assessment. Page 4 Cureton Front Range, LLC Cureton 162 -acre Hookside Project Site. Weld County. CO Phase I Environmental Site Assessment December 2018 4. Property Description 4.1 Location ' 14D .t'nga '° ! + `#cis The Property is bordered by WCR 100 on the south and WCR 99 on the east. Grover is the closest town and is located approximately 11 miles northwest of the Property in Weld County, Colorado. The Property parcel ID number assigned by the Weld County Assessor is 046730000002. This parcel ID is associated with the larger parent parcel owned by Gabel Cattle, LLC. Cureton will take ownership of the property if/when their Use by Special Review Permit request is approved by Weld County. Cureton will create a deed describing the 162 -acre Property for the Hookside Project, and a separate deed for the remaining acreage. A Vicinity Map depicting the Property location reproduced from a portion of the applicable USGS 7.5 -minute series topographic map is included in Appendix A. 4.2 Property and General Vicinity Characteristics The inset table below presents the Property and vicinity setting and characteristics. Property Description and Physical Setting Property Name Cureton 162 -acre Hookside Project Site Property Location/Addressy North of WCR 100 and west of WCR 99, Weld County, Colorado Land Area 162 acres Property Improvements The the southeast observed within Property, markers Property Property. a scattered and were corner along consists depressions observed A fenced the residential of the Property's of along pipeline Property. an were undeveloped setting. the northern pigging observed southern Four Native orange station border. rangeland on vegetation the and eastern was markers Property. observed parcel covers were portions located Pipeline the in of the Water/Sewer Provider None on site PHYSICAL AND SETTING SURROUNDING INFORMATION AREA FOR SITE SOURCE Topography (Refer to Appendix A for an excerpt of the USGS 7.5 -minute series Topographic Map) Property Elevation 5,052 feet (NGVD) USGS Keota Topographic 7.5 NW -Minute Map Series Groundwater Direction* Flow South Surface Runoff/Topographic Gradient West to southwesterly on the Property Closest Surface Water A water are Property. mapped feature in the and state southwestern and national wetlands corner of the *The hydrogeologic gradient is not known but is inferred as parallel to the general watershed topographic gradient. The regional groundwater flow direction and the depth to shallow. unconfined groundwater, if present, would likely vary depending upon seasonal variations in rainfall and other hydrogeological features. Without the benefit of on -site Page 5 Cureton Front Range, LLC Cureton 162 -acre Hookside Project Site, Weld County. CO crfiaattlk Phase I Environmental Site Assessment December 2018 groundwater monitoring wells surveyed to a datum, groundwater depth and flow direction beneath the Property cannot be directly ascertained. Page 6 Cureton Front Range, LLC Cureton 162 -acre Hookside Project Site. Weld County. CO Phase I Environmental Site Assessment December 2018 5. Property and Adjoining Property Reconnaissance The following sections describe the Property and adjoining property features noted during Olsson's site reconnaissance on December 11, 2018. 5.1 Reconnaissance Methodology and Limiting Conditions Information contained in this section is based on Olsson's visual reconnaissance of the Property and adjoining properties, interviews, and other references discussed throughout this report. Olsson observed the adjacent property features from readily accessible areas (i.e., property boundaries). Photo documentation of representative features observed during the Property reconnaissance is provided in Appendix C. 5.2 Current Property Use The Property currently consists of an undeveloped rangeland parcel located within a scattered residential and industrial setting. Native vegetation covers the Property, and natural depressions were observed on the Property. Pipeline markers were observed along the southern and eastern portions of the Property. An unimproved two -track road borders the Property on its eastern side (WCR 99) with unlined borrow ditches on both sides of the road. A fenced pipeline pigging station was observed in the southeast corner of the Property. Four orange markers were observed along the Property's northern border. There were no other improvements on the Property. The Property was accessed via WCR 100 on its southern side and from WCR 99 on its eastern side. 5.3 Property Reconnaissance Features noted during Olsson's property reconnaissance are designated with an "X" in the following table. Paragraphs following the summary table discuss the reconnaissance observations in greater detail. Category Item or Feature Observed Site Equipment Operations, Processes, and Emergency generators Elevators Air compressors Hydraulic y lifts Dry cleaning Photo processing Other processes or equipment Aboveground Storage Petroleum or Chemical Aboveground storage tanks (ASTs) Drums. barrels, and/or containers ≥ 5 gallons Page 7 Cureton Front Range. LLC Cureton 162 -acre Hookside Project Site, Weld County. CO Phase I Environmental Site Assessment December 2018 �'R. ti - .�r� - GX�r,,i " n t;may r ; +0' .. + .36 fagt K: � - Assn* r' P.414, ikgy% ru.:s - �.a "'f. �"�"ff,," ��Srv,!ti�l'�a�: r-_-C�.- .f�Zt _. _ �'`^� .��'. _ ..,. .-, -. - - - --� .. - ..... ��,rr Category Item or Feature Observed Underground Storage, Collection or Waste Systems Petroleum and or Chemical Drainage Evidence or ancillary of underground UST equipment storage tanks (USTs) Floor drains, sumps, or storm water drains Cisterns or sand traps Oil/water separators Septic tanks and/or leach fields Grease traps Equipment Polychlorinated Containing Biphenyls Potential (PCBs) Pad and/or or pole capacitors -mounted electrical transformers Other equipment Indicators Potential Release Sources and/or Stressed vegetation Stained soil or pavement Strong. associated pungent. with or property noxious odors processes other than that Surface floating water free discoloration. product odor, sheen. and/or Dumped fill dirt. artificial trash construction fill, or disposal or demolition areas debris. Exterior discharges pipe discharges and/or other effluent Leachate and/or waste seeps Laboratory hoods and/or incinerators Waste treatment systems and/or water treatment systems Material safety data sheets (MSDSs) Other Notable Property Features Pits, ponds. on -site water features, or lagoons X Pipeline markers X Wells irrigation. dry. monitoring, or abandoned — Other features X Page 8 Cureton Front Range. LLC Phase I Environmental Site Assessment Cureton 162 -acre Hookside Project Site. Weld County. CO December 2018 ,%?4v Ai ' 4ty;;:a'Y0.: it z.p 44 ;ft sue. - - _ - _ --- - - -. - , r -a 7 .'r . u a wiv J�S4-� 1..'L �' a•S• TV 5.3.1 On -site water features Olsson observed some natural depressions in the northern portion of the Property. A muddy area was also observed in the southeastern portion of the Property. These features appear to be associated with pooling stormwater on site during rain events. A depressional feature with three wooden stakes is also present in the southwestern portion of the Property. No evidence of staining was observed in conjunction with these features. The presence of the depressions and muddy area on the Property are not considered a REC for the Property. 5.3.2 Other Notable Property Features Pipeline markers were observed along the southern and eastern portions of the Property. The markers indicated the locations of natural gas pipelines operated by Sterling Energy. A fenced pipeline pigging station was observed in the southeast corner of the Property next to one of the above pipelines. Four orange markers were observed along the Property's northern border and were presumed to be property boundary markers. Animal burrow holes were observed throughout the Property. These additional Property features do not appear to represent RECs for the Property. 5.4 Adjoining Property Reconnaissance Visual observations of adjoining properties (from property boundaries) are summarized below and depicted on Figure 2 in Appendix A. Visual reconnaissance of the adjoining properties did not identify features representing a REC in connection with the Property. Direction Description North A residential property and unimproved rangeland is located north of the Property. East WCR surrounding observed 99 amongst bordered the Pawnee vacant by ditches National rangeland is located Grasslands. east of east the of the A Property. windmill Property.. and followed water well by was fencing also South VVCR 100 followed by vacant rangeland is located south of the Property. West Vacant followed rangeland by a gas and plant an further oil and west. gas tank battery are located west of the Property. Page 9 Cureton Front Range. LLC Cureton 162 -acre Hookside Project Site. Weld County. CO Phase I Environmental Site Assessment December 2018 ()I Historical Resource Review Olsson reviewed historical resources for indications of RECs and HRECs for the Property. Copies of pertinent historical documents are included in Appendix D. No RECs or HRECs were identified based on the historical sources reviewed for the Property. 6.1 Historical Topographic Maps Historical USGS topographic maps were reviewed for this ESA. Maps for the following years were reviewed: 1972, 1997, and 2013. The following table summarizes the topographic map review. Topographic map copies are presented in Appendix D. Historical Topographic Map Information Direction Date Description Property 1972 The A the drainage Property Property. appeared feature is present undeveloped in the in southwestern this topographic portion map. of 1997 to 2013 The maps. starting Property Property A in two the in its -track remained 1997 southwestern road map. undeveloped associated and a corner. pipeline in with these WCR is crossing topographic 99 is the present North 1972 Water remaining features were areas were present undeveloped. north of the property and 1997 to 2013 Areas although 1997 to map. the north a water remained tank and undeveloped WCR 102 were in present these maps: on the East 1972 Water remaining features were present areas were undeveloped east of rangeland. the property and 1997 to 2013 to Areas although be to present the a water east on tank the remained and 1997 the undeveloped map Gunsight through in Windmill 2013. these maps: were shown South 1972 Water remaining were present features areas were southwest were present undeveloped. of the south Property. of Oil the wells property and and gravel pits 1997 to 2013 Properties compared to with the the south previous appeared topographic relatively unchanged map. as West 1972 Water west rangeland. of features the Property and an unimproved and remaining dirt areas road were were undeveloped present 1997 to 2013 Properties compared exception of to with the the the west pipeline previous appeared that topographic was relatively present unchanged map starting with the in the as 1997 map. Page 10 Cureton Front Range. LLC Cureton 162 -acre Hookside Project Site. Weld County. CO Phase I Environmental Site Assessment December 2018 6.2 Historical Aerial Photographs Historical aerial photographs for the years 1937, 1941, 1953, 1971, 1978, 1985, 1998, 2006, 2009, 2013, and 2017 were evaluated for historic features. Inspection of the aerials may be limited by the quality and scale of a photograph. Aerial photograph copies are presented in Appendix D. Historical Aerial Photographs Direction Date Description The photographs. present Property bisecting Two was -track the not developed Property roads or in in drainage two these locations. aerial features A stock were pond 1937. 1941. 1953 1971 was present in the southwest corner of the Property and 1978 consistent wetlands in with this the mapped area. A small water area feature of grading and mapped was present in Property the present have southeastern been in the the southwestern corral portion that of was the portion associated Property. of the A Property with feature the Site. was that may 1985. 1998. 2006 2009 The pipeline that crosses the Property on the southern 2013. and 2017 portion stock was pond appeared first present to in be these less aerial prominent photographs. in these maps. The 1937. 1941, 1953. 1971, A stock pond and undeveloped rangeland were present and 1978 north of the Property. North 1985. 1998, 2006, 2009, Properties to the north remained undeveloped with no 2013. and 2017 notable changes in these aerial photographs. 1937. 1941. 1953. 1971, Properties to the east were undeveloped rangeland and/or and 1978 agricultural in nature. East 1985. 1998. 2006, 2009, Properties to the east remained undeveloped until 2013 2013. and 2017 when the windmill and well appeared east of the Property. The stock pond present in the southwestern portion of the 1937. 1941. 1953, 1971, Property extended south and west of the Property. WCR and 1978 100 was present and areas of grading are visible south of South the Property in these maps. 1985. 1998. 2006. 2009 Areas south of the Property appeared agricultural in nature 2013. and 2017 in these prominent aerial and photographs. appeared to and be drying the stock out. pond was less Areas west of the Property appear to have grading 1937. 1941. 1953. 1971, associated with them and potentially were associated with and 1978 historic undeveloped cattle operations. rangeland Areas and potential west of stock the Property ponds were were West present. 1985. 1998. 2006, 2009 The areas of grading were less prominent in these aerial 2013, and 2017 photographs aerial photograph. and apparently began to fill in after the 1998 Page 11 Cureton Front Range. LLC Phase I Environmental Site Assessment Cureton 162 -acre Hookside Project Site. Weld County. CO December 2018 6.3 City Directories City directories were available for properties located on WCR 99 and WCR 100 for the years 1995, 2000, 2005. 2010. and 2014. The properties listed were mainly residential in nature. In 2005, the Crow Valley Livestock Coop was listed at 39251 WCR 100. In 2010 and 2014, this address was listed as Curtis Ranch. A copy of the City Directory information is presented in Appendix D. 6.4 Historical Fire Insurance Maps The database subcontractor reported that Sanborn Maps were not available for the Property or surrounding areas. A copy of the Unmapped Sanborn Map report is presented in Appendix D. 6.5 Historical Information Summary A review of the historical records did not identify any RECs or HRECs associated with the Property. The historical resources reviewed were not provided at five-year intervals; therefore, this is considered a data gap. Although this is considered a data gap, it may be minor since historically the Property and surrounding areas appear to have been rangeland, agricultural, and were undeveloped with the exception of scattered residences. Page 12 Cureton Front Range, LLC Cureton 162 -acre Hookside Project Site, Weld County. CO Phase I Environmental Site Assessment December 2018 7. Environmental Records Review Database information provided by a contract information service company was reviewed to identify RECs in connection with the Property or in the vicinity of the Property. Information in this section is subject to the accuracy of the data and the date when the information was updated by the information services company. Olsson reviewed the database information for its relevance to the Property; that is, as the information referred to spills or releases either occurring on the Property or at properties having the potential to affect the Property. As used in this report, the terms "upgradient," "downgradient," and "cross gradient" describe the topographic relationship between the Property and off -site properties relative to the suspected groundwater flow direction based on topography. Refer to the discussion provided in Section 4. 7.1 State and Federal Regulatory Databases Appendix E contains the database report including the list of searched databases (both ASTM El 527-13 required as well as supplemental databases). database descriptions and results, dates of updates. approximate minimum search distances. and maps. The following table summarizes the ASTM E1527-13 information provided in the databases. Databases Findings Summary Database Record ASTM Search (miles) Distance Total Sites Found Federal Databases NPL 1.0 0 Delisted NPL 0.5 0 SEMS (formerly CERCLIS) 0.5 0 SEMS-ARCHIVE NFRAP) (formerly CERCLIS 0.5 0 RCRA CORRACTS 1.0 0 RCRA TSDF 0.5 0 RCRA Generators List - RCRA-LQG Property/Adjoining Properties 0 RCRA-SQG 0 RCRA-CESQG 0 RCRA-NonGen 0 Federal Institutional Controls Property Only 0 Federal Engineering Controls Property Only 0 ERNS Property Only 0 Page 13 Cureton Front Range. LLC Cureton 162 -acre Hookside Project Site. Weld County. CO Databases Findings Summary Phase I Environmental Site Assessment December 2018 Database Record ASTM Search (miles) Distance Total Sites Found State and Tribal Databases State/Tribal NPL 1.0 0 State/Tribal CERCLIS 0.5 0 State/Tribal Licensed Landfill List 0.5 0 LUST 0.5 0 LAST Property/Adjoining Properties 0 UST Property/Adjoining Properties 0 AST Property/Adjoining Properties 0 State/Tribal Institutional Controls Property Only 0 State/Tribal Engineering Controls Property Only 0 State/Tribal Voluntary Cleanup Sites 0.5 0 State/Tribal Brownfield Sites 0.5 0 Database providers frequently report supplemental database search findings outside the required ASTM E1527-13 coverage. These may include: Facility Index System/Facility Registry System (FINDS), the Aerometric Information Retrieval System (AIRS). SPILLS, TANKS, Historical Gas Stations, Historical Dry Cleaners. and other supplemental database resources. The supplemental database information is discussed where relevant to the Property. The following sections provide a description of the ASTM E1527-13 databases. Section 7.2 provides discussions regarding pertinent database listings for the Property and immediate vicinity. 7.1.1 NPL, Delisted NPL, CERCLIS, and CERCLIS NFRAP The U.S. Environmental Protection Agency (EPA) maintains a CERCLIS database of potentially hazardous waste facilities that have been reported to the EPA by states. municipalities, private companies, and private persons pursuant to Section 103 of CERCLA. The National Priorities List (NPL) database is a subset of CERCLIS that identfies facilities that the EPA has assigned a priority cleanup status under the Superfund Program. Sites may become Delisted NPL (removed from the NPL) or CERCLIS No Further Remedial Action Planned (NFRAP) facilities when the EPA determines that no further response is appropriate or planned for a facility. In 2015, the EPA renamed the CERCLIS list to the Superfund Enterprise Management System (SEMS). 7.1.2 RCRA CORRACTS The EPA maintains a Resource Conservation and Recovery Act (RCRA) corrective action facility database (CORRACTS) of hazardous waste handler facilities where corrective action activity has occurred or is occurring. Page 14 Cureton Front Range. LLC Cureton 162 -acre Hookside Project Site. Weld County. CO Phase I Environmental Site Assessment December 2018 7.1.3 RCRA TSDF The RCRA treatment, storage. and/or disposal facility (TSDF) database is maintained by EPA to identify facilities that treat, store, or dispose of hazardous waste as defined by RCRA. 7.1.4 RCRA Generators The EPA manages a database of RCRA facilities that generate hazardous waste. RCRA Large Quantity Generator (LOG) facilities generate over 1,000 kilograms (kg) of hazardous waste or over 1 kg of acutely hazardous waste per month. RCRA Small Quantity Generator (SQG) facilities generate between 100 kg and 1,000 kg of hazardous waste per month. RCRA conditionally exempt small quantity generator facilities (CESQG) generate less than 100 kg of hazardous waste or 1 kg of acutely hazardous waste per month. The EPA RCRA generator database also lists facilities that have filed a status change from RCRA waste generator to an operation that no longer generates hazardous waste (NonGens) or that is no longer reporting (NLR) hazardous waste generation. 7.13 Federal Institutional and Engineering Controls The EPA maintains a list of facilities where institutional controls/engineering controls are in place to manage contamination that the agency approved to remain onsite. Administrative measures involving institutional controls can include groundwater use restrictions, construction restrictions, activity use limitations, and post-remediation care requirements intended to prevent exposure to contaminants. Deed restrictions are generally required as part of the institutional controls. Engineering controls include various physical capping barriers. building foundations. liners, and treatment methods protective of human health and the environment. 7.1.6 Emergency Response Notification System (ERNS) The U.S. Coast Guard National Response Center maintains a database of reported releases of oil and hazardous substances. State/Tribal Superfund or Hazardous Waste Sites A State/Tribal Superfund or Hazardous Waste Site (SHWS) database is maintained by the Colorado Department of Public Health and Environment (CDPHE). The SHWS facility list is intended to be a State -level equivalent of the NPL and CERCLIS databases. 7.1.8 State/Tribal Landfill and/or Solid Waste Disposal Sites The State/Tribal Landfill and/or Solid Waste Disposal Sites databases list facilities maintained for the disposal of municipal solid waste (landfills). 7.1.9 State/Tribal Leaking Storage Tank Lists The Colorado Department of Labor and Employment (CDLE) Division of Oil and Public Safety (OPS) maintains a listing of leaking underground storage tank (LUST) and leaking aboveground storage tank (LAST) facilities. Page 15 Cureton Front Range. LLC Cureton 162 -acre Hookside Project Site. Weld County. CO Phase I Environmental Site Assessment December 2018 7.1.10 State/Tribal Storage Tanks The OPS maintains a database of registered aboveground storage tanks (ASTs) and underground storage tanks (USTs). 7.1.11 State/Tribal Institutional Controls Similar to the EPA federal list of institutional controls/engineering control facilities, the CDPHE maintains a listing of facilities assigned with State institutional controls. 7.1.12 State/Tribal Voluntary Cleanup Sites The CDPHE maintains a listing of facilities where owners and parties responsible for contamination have voluntarily undertaken cleanup activities overseen by the State. 7.1 11 State/Tribal Brownfields The CDPHE maintains a database of facilities where expansion. redevelopment, or reuse of the facilities may be complicated by the presence or potential presence of a hazardous substance, pollutant, or contaminant. 7.2 Database Information The regulatory database review identified one database listing within the prescribed ASTM E1527-13 search radii. The following sections discuss the database listing pertaining to the P roperty and in the immediate vicinity. 7.2.1 Property Database Listings The Property was not referenced in the environmental database report. 7.2.2 Vicinity Database Listings The database report did not identify any off -site listings within the prescribed ASTM search of the P roperty. A copy of the regulatory database report is included in Appendix E. 7.2.3 Unmapped "Orphan" Listings U nmapped orphan database listings are facilities that a database provider typically could not locate because of inadequate geocode or address information. Several unmapped orphan facilities were identified within the database report under the SPILLS database. Research for unmapped orphan database listings is beyond the scope of this ESA: although none of these facilities were listed with an address of WCR 99 or WCR 100. 7.3 Additional Environmental Record Sources Olsson contacted pertinent regulatory agencies for information regarding the Property. No information was found for the Property. Page 16 Cureton Front Range. LLC Cureton 162 -acre Hookside Project Site. Weld County. CO Phase I Environmental Site Assessment December 2018 7.3.1 Colorado Department of Public Health and Environment A review of records for the referenced property was conducted via the CDPHE Colorado environmental records database under key words such as "Weld County Road 99 or 100" and "WCR 99 or 100," and did not yield any results with respect to the Property. 7.3.2 Division of Oil and Public Safety The CDLE Division of OPS maintains a database of LUSTs and registered ASTs and USTs in Colorado. The OPS file review did not identify information regarding ASTs or USTs at the Property. 7.3.3 Briggsdale Fire Protection District Although the Property is located in the Pawnee Fire Protection District, Olsson contacted the Briggsdale Fire Protection District (BFPD) and requested information related to inspection reports, violations, permits associated with USTs or ASTs, and/or permits related to hazardous materials for the Property. The BFPD was contacted as the Pawnee Fire Protection District is a volunteer station and would not typically house this type of information. At the time of this report submittal, a response had not yet been received from the BFPD. Any relevant information received will be summarized under separate cover. The information request to the BFPD is provided in Appendix E. 7.3.4 Colorado Oil and Gas Conservation Commission No permitted well locations are located on the Property, although, two wells are located 0.25 to 0.50 miles southeast and west-southwest of the Property. A review was conducted via the COGCC of these nearby wells. The Five Well Draw 18-30H and Five Well Draw 20-32H well locations are permitted well locations that were later abandoned and not drilled by Noble Energy, Inc. (Noble). A copy of the sundry notices filed with the COGCC for these well locations are included in Appendix E. 7.4 Records Review Summary The Property was not referenced in the environmental database report, and the database report did not identify any off -site listings within the prescribed ASTM search of the Property. Interviews with agencies did not identify RECs in conjunction with the Property. Copies of correspondence with agencies and the database report are included in Appendix E. Page 17 Cureton Front Range. LLC Phase I Environmental Site Assessment Cureton 162 -acre Hookside Project Site. Weld County. CO December 2018 8 Vapor Migration Assessment The E1527-13 standard now includes discussion regarding potential vapor migration. For the purpose of the E1527-13 practice. "migrate" and "migration" refer to movement of hazardous substances or petroleum products in any form, including, for example, solid and liquid at the surface or subsurface, and vapor in the subsurface environment to potentially migrate onto or beneath the Property. Vapor migration in the subsurface is described in ASTM Guide E 2600: however, nothing in this practice (E 1527-13) should be construed to require application of the Guide E 2600 to achieve compliance with all appropriate inquires (E1527-13, Section 3.2.56). Vapor migration differs from the terms -vapor encroachment' or `vapor intrusion," which are not embraced by the E 1527-13 practice. 9. Interviews Olsson interviewed property owner representatives and local agencies as appropriate regarding the Property. The following table summarizes the information provided (refer to Appendices B and E). Based on the interview information. no RECs were identified for the Property. Interview Summar Contact Name Agency/Affiliation Interview Method Information Obtained Mr. Nick Holland EHSR Director of Cureton User, email User Questionnaire. The Holland Section interview - Site is 3.0. discussed Environmental with Mr. in Fire Dilka Chief James Briggsdale District Fire Protection Email is The 7.3.3. discussed request to in the Section BFPD Mr. Nick Holland, EHSR Director of Cureton, completed the User Questionnaire discussed in Section 3.0. Mr. Holland was not aware of any environmental conditions with respect to the Property. Page 18 Cureton Front Range. LLC Cureton 162 -acre Hookside Project Site. Weld County. CO Phase I Environmental Site Assessment December 2018 10. Additional Services -I • ._•_r Additional services including non -scope issues detailed in ASTM E 1527-13 (e.g., asbestos sampling, lead -based paint sampling, wetlands review, lead in drinking water sampling. radon testing, etc.) were not conducted as part of this Phase I ESA for the Property. 11. Findings The following paragraphs summarize the findings of the Phase I ESA report. The report must be read in its entirety to develop a comprehensive understanding of the ESA information process. The Property is currently vacant and historically has been undeveloped rangeland. Gabel Cattle. LLC currently owns the Property. Surrounding properties include scattered residential properties, rangeland, an oil and gas tank battery, and a gas plant. The historical resources reviewed were not provided at five-year intervals; therefore, this is considered a data gap. This is considered a minor data gap since historically the Property and surrounding areas appear to have been rangeland and undeveloped with the exception of the adjoining scattered residences. The Property was not listed in the environmental database report. and the database report did not identify any off -site listings within the prescribed ASTM search of the Property. Interviews with agencies did not identify RECs in conjunction with the Property. 12. Opinion This Phase I ESA did not identify any findings which in Olsson's opinion would be considered RECs. HRECs, CRECs, or de minimis conditions; therefore, there are no impacts to discuss. 13. Conclusions Olsson performed a Phase I ESA in conformance with the scope and limitations agreed upon with the Client and ASTM E1527-13 for the Cureton 162 -acre Hookside Project Site in Weld County. Colorado. Any exceptions to, or deletions from, this practice are described in Section 14 of this report. This assessment revealed no evidence of RECs, HRECs, CRECs or de minimis conditions in connection with the Property. 14. Deviations Olsson evaluated the provided information for significant data gaps that, if present. are discussed in their respective report sections. 15. References Documents used in the preparation of this report are referenced in the relevant report sections. Page 19 Cureton Front Range. LLC Cureton 162 -acre Hookside Project Site. Weld County. CO Phase I Environmental Site Assessment December 2018 16. Signature of Environmental Professional Olsson conducted this Phase I ESA and reviewed appropriate records made available to Olsson within the performance period of this assessment. conducted a property inspection. and performed an analysis of current and historical information collected during the records search. The information contained within the Phase I ESA report, to the best of Olsson's knowledge. is correct. I declare that, to the best of my professional knowledge and belief. I meet the definition of Environmental Professional. as defined in Section 312.10 of 40 CFR 312; and I have the specific qualifications based on education, training, and experience to assess a property of the nature, history. and setting of the property. I have developed and performed the AAI in conformance with the standards and practice set forth in 40 CFR Part 312. Qualifications and credentials for the Environmental Professional and the qualifications of the personnel conducting the site reconnaissance and interviews if conducted by someone other than an environmental professional are included in Appendix F. December 211 2018 Vanessa Scott. Senior Scientist Date Environmental Professional December 21 2018 James W. Hix, PG, EP Date Reviewer Page 20 Colorado Weld County Wyoming Nebraska —__.-1 ....---- --1 i I I ! I I i I f 1 -- t -.ti.�.:, I- s---- -I __ I -- ' I I- r tiI l - w 1 -_ r- 1 1 --Jo ___i - I r `� ... ;...-1- , r --s_- `3 -c, I j 4t `-� t______� -' if Utah ___ I ' y-'''�i—�,�,,olorato I i h--i it -----' r __� y-----1-7 ---- �- -� ------ 1 Kansas r---- �, L.,.fll - I _1 1 1.5' f ti ^� i r i t r I I "- --f--1 t I it ;^, r-- II' ' _____1 --4,---.--1--_ ,—t_ _J___.__. -_ Sim _-L Arizona New Mexico Oklahoma Texas 0 C Q Co a) .-S a) co 0 J 0 z O (N r 00 rrn C U) a) O co r N cO O O Lc) N r O O CO r 0 w I Project Area PROJECT 018-2184 DRAWN BY I G. Malek-Madani DATE. December 11 2018 Cureton Hookside Project Project Location Map Weld County, CO V' 1 FIGURE 1 r D X E 9 NPRL Phase I Site Ma n1GIS118-1 F 1201812001-2500\018-2184140-Desi Legend • Site Observation X Fence Pipeline Hookside Project Site I PROJECT 018-2184 DRAWN BY G. Malek-Madani DATE December 27 2018 Cureton Hookside Project Weld County. CO VIS5On FIGURE 2 APPENDIX B Client Provided Information OLSSON ALL APPROPRIATE INQUIRY DUE DILIGENCE USER QUESTIONNAIRE Site Name: Cureton Hookside 160 -acre Project Site Site Address: Site address to be determined. Section 30, Township 9 North, Range 60 West Bordered by Weld County Road 100 on the south and Weld County Road 99 on the east in Weld County, Colorado Introduction The purpose of this questionnaire is to achieve a completeness of "all appropriate inquiry" (AAI) under Section 107 of the Comprehensive Environmental Response, Compensation, and Liability Act of 1980 (CERCLA, 42 U.S.C. 9607), as modified by the Brownfields Amendments, for completing the Phase I ESA due diligence process. 1. Environmental liens filed or recorded against the property (40 CFR 312.25). Are you aware of any recorded land title records (or judicial records where appropriate) that identified environmental liens filed or recorded against the property under federal, tribal, state or local law? X No _Yes If yes, please explain. Not applicable. 2. Activity and use limitations placed on the property or that have been filed or recorded against the property (40 CFR 312.2(a)1(v) and vi). Are you aware of any activity and land use limitations (AULs), such as engineering controls, land use restrictions or institutional controls that been filed or recorded in a registry under federal, tribal, state, or local law for the property? X No _Yes If yes, please explain. Not applicable. 3. Specialized knowledge or experience of the person seeking to qualify for the LLP (40 CFR 312.29). Have you any specialized knowledge or experience related to the property or nearby properties? For example, are you involved in the same line of business as the current or former occupants of the property or an adjoining property such that you would have specialized knowledge of the chemicals and processes used by the property? X No _Yes If yes, please explain. Not applicable. 4. Relationship of the purchase price to the fair market value of the property if it were not contaminated (40 CFR 312.29). Does the purchase price being paid for this property reasonably reflect the fair market value of the site? _ No X Yes Not Applicable (N/A) If a price difference has been concluded, has it been considered whether the lower purchase price is because contamination is known or believed to be present at the property? X No _Yes _ Not Applicable (N/A) If yes, please explain. AA/ Questionnaire Page 2of2 5. Commonly known or reasonably ascertainable information about the property (40 CFR 312.30). Are you aware of commonly known or reasonably ascertainable information about the property that would help the environmental professional to identify conditions indicative of releases or threatened releases? For example, as user: (a) Do you know of the past uses of the property? Yes, agricultural use. (b) Do you know of specific chemicals that are present or were once present at the property? No. (c) Do you know of spills or other chemical releases that have taken place at the property? No. (d) Do you know of any environmental cleanups that have taken place at the property? No. No X Yes If yes to any of the above, please explain. See above. 6. The degree of obviousness of the presence of likely presence of contamination at the property, and the ability to detect the contamination by appropriate investigation (40 CFR 312.31). As the user of this ESA, based on your knowledge and experience related to the property are there any obvious indicators that point to the presence or likely presence of contamination at the property? X No _Yes If yes, please explain. Not applicable. AAI Questionnaire completed by: Nick Holland Director EHSR Name Title Cureton Front Range, LLC December 10, 2018 Company Name Date Please provide contact information for Olsson to access the site and to interview regarding the current and historic land use. Contact Name Telephone e-mail APPENDIX C Reconnaissance Photographs Cureton Hookside 160 -acre Project Site Weld County Colorado Photo #1 Site overview photograph from the Property's southeast corner. View: North Photo #3 Site overview photograph from the Property's central eastern perimeter. View: North. Olsson Project No. 018-2184 Photo #2 View of culvert across Weld County Road (WCR) 100 at the Property's southeast corner. View: North Photo #4 View of the Pawnee National Grassland sign at the Property.s northeast corner. View: North. Photo #5 Orange post along fenceline along the Photo #6 View of pipeline equipment observed at Property's eastern side. View West. 1/410 the northeastern perimeter of the Property. View North. Photo Page Cureton Hookside 160 -acre Project Site Weld County. Colorado Photo #7 Small depression observed along the Property's northeastern perimeter. View. North. Photo #9 Site overview photograph from the Property's northwest corner. View. Southeast Photo #11 Small depression at the center of the Property. bordered by three wooden stakes. View East. (0144‘01 I Olsson Project No. 018-2184 Photo #8 Site overview photograph from the Property's central northern perimeter. View- South. Photo #10 Site overview photograph from the Property's central western perimeter. View East. Photo #12 Site overview photograph of vegetated pipeline right of way from the Property's southwestern corner. View East. Photo Page 2 Cureton Hookside 160 -acre Project Site Weld County. Colorado Photo #13 View of pipeline right of way and pipeline markers along the Property's southern perimeter. View: Northeast. Photo #15 View of burrow holes observed at southern perimeter. south of WCR 100. View. South. Photo #17 View of windmill and stock wells east of the Property. View: East. oIsso 1 Olsson Project No. 018-2184 Photo #14 View of pipeline equipment from Property's southern perimeter. View: East. Photo #16 Pigging station along pipeline at the Property's southern perimeter. View Northwest. Photo #18 Muddy segment of pipeline south of pigging station along the Property's southern perimeter. View: Northeast. Photo Page 3 APPENDIX D Historical Information Cureton Hookside 160 -Acre Parcel Weld County Rd 100 Briggsdale, CO 80611 Inquiry Number: 5510803.4 December 12. 2018 EDR Historical Topo Map Report with QuadMatchTM 6 Armstrong Road, 4th floor Shelton. CT 06484 Toll Free: 800.352.0050 www.edrnet.corn EDR Historical Topo Map Report 12/12/18 Site Name: Cureton Hookside 160 -Acre Pe Weld County Rd 100 Briggsdale, CO 80611 EDR Inquiry # 5510803.4 Client Name: Olsson 1525 Raleigh Street, Suite 400 Denver, CO 80204 Contact: Vanessa Scott CEDR€ EDR Topographic Map Library has been searched by EDR and maps covering the target property location as provided by Olsson were identified for the years listed below. EDR's Historical Topo Map Report is designed to assist professionals in evaluating potential liability on a target property resulting from past activities. EDRs Historical Topo Map Report includes a search of a collection of public and private color historical topographic maps. dating back to the late 1800s. Search Results: Coordinates: P .O.# 018-2184 P roject: Cureton Hookside 160 -acre Sit Maps Provided: 2013 1997 1972 Latitude: Longitude: U TM Zone: U TM X Meters: U TM Y Meters: Elevation: 40.716369 40 42' 59" North -104.1 30768 -104) 7' 51" West Zone 13 North 573416.65 4507635.40 4951.00' above sea level Disclaimer - Copyright and Trademark Notice This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources_ NO WARRANTY EXPRESSED OR IMPLIED. IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT ENVIRONMENTAL DATA RESOURCES. INC. SPECIFICALLY DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES. INCLUDING WITHOUT LIMITATION. MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC BE LIABLE TO ANYONE, WHETHER ARISING OUT OF ERRORS OR OMISSIONS. NEGLIGENCE. ACCIDENT OR ANY OTHER CAUSE. FOR ANY LOSS OF DAMAGE. INCLUDING. WITHOUT LIMITATION. SPECIAL. INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES. INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT Purchaser accepts this Report "AS IS" Any analyses. estimates. ratings. environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only. and are not intended to provide. nor should they be interpreted as providing any facts regarding or prediction or forecast of. any environmental risk for any property Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property Additionally. the information provided in this Report is not to be construed as legal advice Copyright 2018 by Environmental Data Resources. Inc All rights reserved_ Reproduc-ion in any media or format. in whole or in part. of any report or map of Environmental Data Resources. Inc.. or its affiliates. is prohibited without prior written permission EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources. Inc. or its affiliates. All other trademarks used herein are the property of their respective owners. 5510803 - 4 page 2 Topo Sheet Key This EDR Topo Map Report is based upon the following USGS topographic map sheets. 2013 Source Sheets Keota 2013 7 5 -minute. 24000 1997 Source Sheets Keota NW 1997 7.5 -minute. 24000 Aerial Photo Revised 1993 1972 Source Sheets Keota 1972 7 5 -minute. 24000 Aerial Photo Revised 1971 Keota NW 2013 7.5 -minute, 24000 Keota 1997 7.5 -minute, 24000 Aerial Photo Revised 1993 Keota NW 1972 7.5 -minute. 24000 Aerial Photo Revised 1971 5510803 - 4 page 3 Historical Topo Map 2013 CEDIr I t. U j Iro 24 � w 19 - -• 4 i 20 • :{950 r— -- _ . _ - _ l - - CO•ROAD-102 0yr ' v a 25 y Q I T009N it 30 RO6OW aocz o V t i_/Windmill / 29 Gunsight f -r \ , ` i CO -ROAD -190 CO-R7A0-100 sic \ .... _ _ \ , - ---t— 36 31 .\„, 32 a cz o cc PAWNEE GRASSLAND "` JCa NATIONAL - N ,\ This report includes information from the following map sheet(s). W NW N NE TP, Keota NW, 2013. 7.5 -minute SE. Keota. 2013, 7.5 -minute I _ I 0 Miles 0.25 0.5 1 SITE NAME: Cureton Hookside 160 -Acre Parcel ADDRESS: Weld County Rd 100 Briggsdale. CO 80611 CLIENT: Olsson 15 SW S SE 5510803 - 4 page 4 CEDir II. r1 k S ;ravel Pits This report includes information from the following map sheet(s). W NW N NE E TP. Keota NW, 1997, 7.5 -minute SE. Keota. 1997, 7.5 -minute Historical Topo Map i W 31 •-_ _ 7 Gunsight Wrndmil+ 4978 t i .r • 0 1997 Water Tank 950---4-\/ • assCallosant- Si 1 15 0 Miles 0.25 05 SITE NAME Cureton Hookside 160 -Acre Parcel ADDRESS Weld County Rd 100 Briggsdale. CO 80611 CLIENT Olsson SW S SE 5510803 - 4 page 5 C"EDR Historical Topo Map 1972 -�_ — 36 1/4 4s �x 0011 WO 14963 4927 i 19 20 31 BM 4991 N 20 0 4982 .��;.. • 4 908 This report includes information from the following map sheet(s). VV NW N NE TP. Keota NW. 1972, 7.5 -minute SE. Keota. 1972. 7.5 -minute I 0 Miles L I _ 0.25 0.5 J 1 1.5 SITE NAME Cureton Hookside 160 -Acre Parcel ADDRESS: Weld County Rd 100 Briggsdale. CO 80611 CLIENT: Olsson SW S SE 5510803 - 4 page 6 Cureton Hookside 160 -Acre Parcel Weld County Rd 100 Briggsdale, CO 80611 Inquiry Number: 5510803.8 December 13, 2018 The EDR Aerial Photo Decade Package 6 Armstrong Road. 4th floor Shelton, CT 06484 Toll Free: 800.352.0050 www.edrnet.com EDR Aerial Photo Decade Package 12/13/18 Site Name: Cureton Hookside 160 -Acre Pe Weld County Rd 100 Briggsdale, CO 80611 EDR Inquiry # 5510803.8 Client Name: Olsson 1525 Raleigh Street, Suite 400 Denver, CO 80204 Contact: Vanessa Scott Environmental Data Resources. Inc. (EDR) Aerial Photo Decade Package is a screening tool designed to assist environmental professionals in evaluating potential liability on a target property resulting from past activities. EDR's professional researchers provide digitally reproduced historical aerial photographs, and when available, provide one photo per decade. Search Results: Year Scale 2017 1"=500' 2013 1"=500' 2009 1"=500' 2006 1"=500' 1998 1"=500' 1985 1"=1000' 1978 1"=500' 1971 1"=500' 1953 1"=500' 1941 1"=500' 1937 1"=500' Details Flight Year: 2017 Flight Year: 2013 Flight Year: 2009 Flight Year: 2006 Acquisition Date: June 26, 1998 Flight Date: June 22, 1985 Flight Date: September 07, 1978 Flight Date: October 04. 1971 Flight Date: September 10, 1953 Flight Date: September 10, 1941 Flight Date: July 04. 1937 Source U SDA/NAIP U SDA/NAIP U SDA/NAIP U SDA/NAIP USGS/DOQQ U SGS U SGS U SGS U SGS U SDA U SDA When delivered electronically by EDR, the aerial photo images included with this report are for ONE TIME USE ONLY. Further reproduction of these aerial photo images is prohibited without permission from EDR. For more information contact your EDR Account Executive. Disclaimer - Copyright and Trademark Notice This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS_ REPORT. ENVIRONMENTAL DATA RESOURCES. INC. SPECIFICALLY DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES. INCLUDING WITHOUT LIMITATION. MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES. INC. BE LIABLE TO ANYONE, WHETHER ARISING OUT OF ERRORS OR OMISSIONS. NEGLIGENCE, ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OF DAMAGE, INCLUDING. WITHOUT LIMITATION. SPECIAL, INCIDENTAL, CONSEQUENTIAL. OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES. INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUN- PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates. ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction or forecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property. Additionally, the information provided in this Report is not to be construed as legal advice. Copyright 2018 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources. Inc.. or its affiliates. is prohibited without prior written permission. EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners. 5510803 - 8 page 2 a INQUIRY #: 5510803.8 YEAR 2013 �� = 500' CEDR i 1111.1111.1.11.0 INQUIRY #: 5510803.8 YEAR: 2009 J eEDR • 4 I *AI i INQUIRY # 5510803 8 YEAR: 2006 = 500' CEDR INQUIRY it 5510803.8 YEAR 1998 N = 500' CEDR INQUIRY #: 5510803.8 YEAR: 1985 N Subject boundary not shown because it exceeds image extent or image is not = 1000' EDR georeferenced. .4 y x INQUIRY # 5510803.8 YEAR: 1978 IJ •,;air7t atir t 1 • - b P. — I r ft Subject boundary not shown because it exceeds image extent or image is not • -ore erence• . • 11• INQUIRY #: 5510803.8 YEAR: 1941 = 500' 1tN I(C" EDR J+ �1 , or.M, Jet , I 1-r; - 4. s -1 X01► •. - *,.. - rQlt ..f_ t C+�• r, • • . A H• ti ♦ Cr1 . y i t � IMti •r v •. J±• virt i CA / t • - , _ • Aid .3 v ♦•♦ • r• ri 1 ..)* A -,. .. � ` •� FI • S. • -\,e i•.. ,N •• •• • .: • * • • • �. .� • / erg iZ• I 64 • .'C - ♦t - . a� *1•1T_j • t •' t `so,•• ft/• • ` 1�� • •♦3_ 3 fro ~� eirtA i "• p • it A �. ! , *• ♦• •. ♦, P •�♦ -t. <• 411 • • '- �• •. -J • - ^ • / . _ A A -�_ r . Z t I' ji I . . i• I••••• . ti of , ti s • •i-- • J• 4141 s Ati F' 1 t !►... . - - ..,IJ .. , I• . .•• ./�M►r I it ` •• _ •.ft^ .„tea... 4 J ..• •,i1_? - •I . ♦ '• .Po -It •. O O 0 I I -r Cureton Hookside 160 -Acre Parcel Weld County Rd 100 Briggsdale, CO 80611 Inquiry Number: 5510803.5 December 13, 2018 Environmental Data Resources Inc 6 Armstrong Road Shelton, CT 06484 800.352.0050 www.edrnet.com -TABLE OF ,CONTENTS SECTION Executive Summary Findings City Directory Images Thank you for your business. Please contact EDR at 1-800-352-0050 with any questions or comments. Disclaimer - Copyright and Trademark Notice This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTAL DATA RESOURCES, INC. SPECIFICALLY DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE, WHETHER ARISING OUT OF ERRORS OR OMISSIONS, NEGLIGENCE, ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OR DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON I, THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates, ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction orforecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property. Additionally, the information provided in this Report is not to be construed as legal advice. Copyright 2017 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources, Inc. or its affiliates is prohibited without prior written permission. EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners. EXECUTIVE SUMMARY DESCRIPTION Environmental Data Resources, Inc.'s (EDR) City Directory Report is a screening tool designed to assist environmental professionals in evaluating potential liability on a target property resulting from past activities. EDR's City Directory Report includes a search of available city directory data at 5 year intervals. RECORD SOURCES EDR's Digital Archive combines historical directory listings from sources such as Cole Information and Dun & Bradstreet. These standard sources of property information complement and enhance each other to provide a more comprehensive report. EDR is licensed to reproduce certain City Directory works by the copyright holders of those works. The purchaser of this EDR City Directory Report may include it in report(s) delivered to a customer. Reproduction of City Directories without permission of the publisher or licensed vendor may be a violation of copyright. Data by infoUSA Copyright©2008 All Rights Reserved RESEARCH SUMMARY The following research sources were consulted m the preparation of this report. A check mark indicates where information was identified in the source and provided in this report. Year 2014 2010 2005 2000 1995 1992 Target Street 0 0 O Cross Street E1 0 O Source EDR Digital Archive EDR Digital Archive EDR Digital Archive EDR Digital Archive EDR Digital Archive EDR Digital Archive 5510803-5 Page 1 FINDINGS. TARGET PROPERTY STREET Weld County Rd 100 Briggsdale, CO 80611 Year CD /mane Source COUNTY ROAD 100 2014 pg Al 2010 pg A3 2005 pg A5 WCR 100 2000 pg A7 1995 pg A9 1992 EDR Digital Archive EDR Digital Archive EDR Digital Archive EDR Digital Archive EDR Digital Archive EDR Digital Archive Street not listed in Source 5510803-5 Page 2 CROSS STREETS Year CD Image Source COUNTY ROAD 99 2014 pg. A2 2010 pg. A4 2005 pg. A6 WCR 99 2000 pg. A8 1995 pg. A10 1992 EDR Digital Archive EDR Digital Archive EDR Digital Archive EDR Digital Archive EDR Digital Archive EDR Digital Archive Street not listed in Source 5510803-5 Page 3 Target Street Cross Street Source EDR Digital Archive COUNTY ROAD 100 2014 37483 BAKER, DWIGHT A 39251 CURTIS RANCH CURTIS, JAMES A 39998 SCHWARTZ, GARY H 44506 KNIGHT, WAYNE F 44914 OCCUPANT UNKNOWN, 45833 HYATT, MCKITTRICK A 46990 OCCUPANT UNKNOWN, 5510803.5 Page: Al Target Street Cross Street Source EDR Digital Archive COUNTY ROAD 99 2014 40366 WEITZEL, PAUL R 40396 OCCUPANT UNKNOWN, 5510803.5 Page: A2 Target Street Cross Street Source EDR Digital Archive COUNTY ROAD 100 2010 37483 BAKER, DWIGHT A 39251 CURTIS RANCH CURTIS, JAMES A 39998 SCHWARTZ, GARY H 44506 KNIGHT, WAYNE F 44914 OCCUPANT UNKNOWN, 45833 HYATT MCKITTRICK A HYATT, MCKITTRICK A 46990 OCCUPANT UNKNOWN, 5510803.5 Page: A3 Target Street Cross Street Source EDR Digital Archive COUNTY ROAD 99 2010 40366 WEITZEL, PAUL R 40396 OCCUPANT UNKNOWN, 5510803.5 Page: A4 Target Street Cross Street Source EDR Digital Archive COUNTY ROAD 100 2005 37483 BAKER, DWIGHT A 39251 CROW VALLEY LIVESTOCK CO-OP CURTIS, JAMES A 39998 SCHWARTZ, GARY E 44506 KNIGHT, WAYNE F 44914 OCCUPANT UNKNOWN, 45833 HYATT, MCKITTRICK A 46990 OCCUPANT UNKNOWN, 5510803.5 Page: A5 Target Street Cross Street Source EDR Digital Archive COUNTY ROAD 99 2005 40366 WEITZEL, PAUL R 40380 WEITZEL, PAUL R 5510803.5 Page: A6 Target Street Cross Street - Source EDR Digital Archive WCR 100 2000 37483 BAKER, DWIGHT 39251 CURTIS, JAMES A 39998 SCHWARTZ, GARY 5510803.5 Page: A7 Target Street Cross Street Source EDR Digital Archive WCR 99 2000 40366 WEITZEL, PAUL 40380 WEITZEL, PAUL 5510803.5 Page: A8 Target Street Cross Street Source EDR Digital Archive WCR 100 1995 37483 BAKER, DWIGHT 39251 CURTIS, JAMES A 39998 SCHWARTZ, GARY 5510803.5 Page: A9 Target Street Cross Street Source EDR Digital Archive WCR 99 1995 40366 WEITZEL, PAUL JR 40380 WEITZEL, PAUL 5510803.5 Page: A10 i Cureton Hookside 160 -Acre Parcel Weld County Rd 100 Briggsdale, CO 80611 Inquiry Number: 5510803.3 December 12, 2018 Certified Sanborn® Map Report CEDR° 6 Armstrong Road, 4th floor Shelton, CT 06484 Toll Free: 800.352.0050 www.edrnet.com Certified Sanborn® Map Report 12/12/18 Site Name: Client Name: Cureton Hookside 160 -Acre Pa Weld County Rd 100 Briggsdale, CO 80611 EDR Inquiry # 5510803.3 Olsson 1525 Raleigh Street, Suite 400 Denver, CO 80204 Contact: Vanessa Scott The Sanborn Library has been searched by EDR and maps covering the target property location as provided by Olsson were identified for the years listed below. The Sanborn Library is the largest, most complete collection of fire insurance maps. The collection includes maps from Sanborn, Bromley, Perris & Browne, Hopkins, Barlow, and others. Only Environmental Data Resources Inc. (EDR) is authorized to grant rights for commercial reproduction of maps by the Sanborn Library LLC, the copyright holder for the collection. Results can be authenticated by visiting www.edrnet.com/sanborn. The Sanborn Library is continually enhanced with newly identified map archives. This report accesses all maps in the collection as of the day this report was generated. Certified Sanborn Results: 'i ; ff R.t,'• • `` I Certification # PO # Project 5D7A-4065-8612 018-2184 Cureton Hookside 160 -acre Site UNMAPPED PROPERTY This report certifies that the complete holdings of the Sanborn Library, LLC collection have been searched based on client supplied target property information, and fire insurance maps covering the target property were not found. Limited Permission To Make Copies Sanborn® Library search results Certification #: 5D7A-4065-8612 The Sanborn Library includes more than 1.2 million fire insurance maps from Sanborn, Bromley, Perris & Browne, Hopkins, Barlow and others which track historical property usage in approximately 12,000 American cities and towns. Collections searched: (✓ Library of Congress (✓ University Publications of America [✓ EDR Private Collection The Sanborn Library LLC Since 1866'" Olsson (the client) is permitted to make up to FIVE photocopies of this Sanbom Map transmittal and each fire insurance map accompanying this report solely for the limited use of its customer. No one other than the client is authorized to make copies. Upon request made directly to an EDR Account Executive, the client may be permitted to make a limited number of additional photocopies. This permission is conditioned upon compliance by the client, its customer and their agents with EDR's copyright policy; a copy of which is available upon request. Disclaimer - Copyright and Trademark Notice This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report that coverage information for the target and surrounding properties does not exist from other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER IN CONNECTION WITH THIS REPORT. ENVIRONMENTAL DATA RESOURCES, INC. SPECIFICALLY DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE, WHETHER ARISING OUT OF ERRORS OR OMISSIONS, NEGLIGENCE, ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OF DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates, ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction or forecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property. Additionally, the information provided in this Report is not to be construed as legal advice. Copyright 2018 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources, Inc., or its affiliates, is prohibited without prior written permission. EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners. r5510803 - 3 pag 2 APPENDIX E Environmental Database Report & Regulatory Agency Information Cureton Hookside 160 -Acre Parcel Weld County Rd 100 Briggsdale, CO 80611 Inquiry Number: 5510803.2s December 12, 2018 The EDR Radius Map TM Report with GeoCheck® 6 Armstrong Road, 4th floor Shelton, CT 06484 Toll Free: 800.352.0050 www.edmet.com FORM-LBC-RG TABLE OF CONTENTS SECTION PAGE Executive Summary_ ES1 Overview Map_ 2 Detail Map_ 3 Map Findings Summary 4 Map Findings_ 8 Orphan Summary 9 Government Records Searched/Data Currency Tracking_ GR-1 GEOCHECK ADDENDUM Physical Setting Source Addendum_ A-1 Physical Setting Source Summary A-2 Physical Setting SSURGO Soil Map_ A-5 Physical Setting Source Map_ A-9 Physical Setting Source Map Findings_ A-11 Physical Setting Source Records Searched_ PSGR-1 Thank you for your business. Please contact EDR at 1-800-352-0050 with any questions or comments. Disclaimer - Copyright and Trademark Notice This Report contains certain information obtained from a variety of public and other sources reasonably available to Environmental Data Resources, Inc. It cannot be concluded from this Report other sources. NO WARRANTY EXPRESSED OR IMPLIED, IS MADE WHATSOEVER target IN CONNECTION WI H THIS REPORTpexist from REPORT. ENVIRONMENTAL DATA RESOURCES, INC. SPECIFICALLY DISCLAIMS THE MAKING OF ANY SUCH WARRANTIES, INCLUDING WITHOUT LIMITATION, MERCHANTABILITY OR FITNESS FOR A PARTICULAR USE OR PURPOSE. ALL RISK IS ASSUMED BY THE USER. IN NO EVENT SHALL ENVIRONMENTAL DATA RESOURCES, INC. BE LIABLE TO ANYONE, WHETHER ARISING OUT OF ERRORS OR OMISSIONS, NEGLIGENCE, ACCIDENT OR ANY OTHER CAUSE, FOR ANY LOSS OF DAMAGE, INCLUDING, WITHOUT LIMITATION, SPECIAL, INCIDENTAL, CONSEQUENTIAL, OR EXEMPLARY DAMAGES. ANY LIABILITY ON THE PART OF ENVIRONMENTAL DATA RESOURCES, INC. IS STRICTLY LIMITED TO A REFUND OF THE AMOUNT PAID FOR THIS REPORT. Purchaser accepts this Report "AS IS". Any analyses, estimates, ratings, environmental risk levels or risk codes provided in this Report are provided for illustrative purposes only, and are not intended to provide, nor should they be interpreted as providing any facts regarding, or prediction or forecast of, any environmental risk for any property. Only a Phase I Environmental Site Assessment performed by an environmental professional can provide information regarding the environmental risk for any property. Additionally, the information provided in this Report is not to be construed as legal advice. Copyright 2018 by Environmental Data Resources, Inc. All rights reserved. Reproduction in any media or format, in whole or in part, of any report or map of Environmental Data Resources, Inc., or its affiliates, is prohibited without prior written permission. EDR and its logos (including Sanborn and Sanborn Map) are trademarks of Environmental Data Resources, Inc. or its affiliates. All other trademarks used herein are the property of their respective owners. TC5510803.2s Page 1 EXECUTIVE SUMMARY A search of available environmental records was conducted by Environmental Data Resources, Inc (EDR). The report was designed to assist parties seeking to meet the search requirements of EPA's Standards and Practices for All Appropriate Inquiries (40 CFR Part 312), the ASTM Standard Practice for Environmental Site Assessments (E 1527-13), the ASTM Standard Practice for Environmental Site Assessments for Forestland or Rural Property (E 2247-16), the ASTM Standard Practice for Limited Environmental Due Diligence: Transaction Screen Process (E 1528-14) or custom requirements developed for the evaluation of environmental risk associated with a parcel of real estate. TARGET PROPERTY INFORMATION ADDRESS WELD COUNTY RD 100 BRIGGSDALE, CO 80611 COORDINATES Latitude (North): 40.7163690 - 40' 42' 58.92" Longitude (West): 104.1307680 - 104° 7' 50.76" Universal Tranverse Mercator: Zone 13 UTM X (Meters): 573418.6 UTM Y (Meters): 4507424.0 Elevation: 4951 ft. above sea level USGS TOPOGRAPHIC MAP ASSOCIATED WITH TARGET PROPERTY Target Property Map: 5954533 KEOTA NW, CO Version Date: 2013 Southeast Map: 5954531 KEOTA, CO Version Date: 2013 AERIAL PHOTOGRAPHY IN THIS REPORT Portions of Photo from: Source: 20150728 USDA TC5510803.2s EXECUTIVE SUMMARY 1 MAPPED SITES SUMMARY Target Property Address: WELD COUNTY RD 100 BRIGGSDALE, CO 80611 Click on Map ID to see full detail. MAP RELATIVE DIST (ft & mi.) ID SITE NAME ADDRESS DATABASE ACRONYMS ELEVATION DIRECTION NO MAPPED SITES FOUND 5510803.2s Page 2 EXECUTIVE SUMMARY TARGET PROPERTY SEARCH RESULTS The target property was not listed in any of the databases searched by EDR. DATABASES WITH NO MAPPED SITES No mapped sites were found in EDR's search of available ("reasonably ascertainable ") government records either on the target property or within the search radius around the target property for the following databases: STANDARD ENVIRONMENTAL RECORDS Federal NPL site list NPL National Priority List . Proposed NPL Proposed National Priority List Sites NPL LIENS Federal Superfund Liens Federal Delisted NPL site list Delisted NPL National Priority List Deletions Federal CERCLIS list FEDERAL FACILITY Federal Facility Site Information listing SEMS Superfund Enterprise Management System Federal CERCLIS NFRAP site list SEMS-ARCHIVE Superfund Enterprise Management System Archive Federal RCRA CORRACTS facilities list CORRACTS Corrective Action Report Federal RCRA non-CORRACTS TSD facilities list RCRA-TSDF RCRA - Treatment, Storage and Disposal Federal RCRA generators list RCRA-LQG RCRA - Large Quantity Generators RCRA-SQG RCRA - Small Quantity Generators RCRA-CESQG RCRA - Conditionally Exempt Small Quantity Generator Federal institutional controls / engineering controls registries LUCIS Land Use Control Information System US ENG CONTROLS . Engineering Controls Sites List TC5510803.2s EXECUTIVE SUMMARY 3 EXECUTIVE SUMMARY US INST CONTROL Sites with Institutional Controls Federal ERNS list ERNS Emergency Response Notification System State- and tribal - equivalent CERCLIS SHWS This state does not maintain.a SHWS list. See the Federal CERCLIS list and Federal NPL list. State and tribal landfill and/or solid waste disposal site lists SWF/LF Solid Waste Sites & Facilities State and tribal leaking storage tank lists LUST Leaking Underground Storage Tank List LAST Leaking Aboveground Storage Tank Listing INDIAN LUST Leaking Underground Storage Tanks on Indian Land LUST TRUST RAP Site Listing LTANKS Petroleum Release Events Listing State and tribal registered storage tank lists FEMA UST Underground Storage Tank Listing UST Underground Storage Tank Database AST Aboveground Tank List INDIAN UST Underground Storage Tanks on Indian Land State and tribal institutional control / engineering control registries AUL Environmental Covenants and Environmental Use Restrictions List State and tribal voluntary cleanup sites INDIAN VCP Voluntary Cleanup Priority Listing VCP Voluntary Cleanup & Redevelopment Act Application Tracking Report State and tribal Brownfields sites BROWNFIELDS Brownfields Sites Listing ADDITIONAL ENVIRONMENTAL RECORDS Local Brownfield lists US BROWNFIELDS A Listing of Brownfields Sites Local Lists of Landfill / Solid Waste Disposal Sites HIST LF Historical Landfill List . SWRCY Registered Recyclers Listing INDIAN ODI Report on the Status of Open Dumps on Indian Lands TC551o8o3.2s EXECUTIVE SUMMARY 4 EXECUTIVE SUMMARY DEBRIS REGION 9 Torres Martinez Reservation Illegal Dump Site Locations ODI Open Dump Inventory IHS OPEN DUMPS Open Dumps on Indian Land Local Lists of Hazardous waste / Contaminated Sites US HIST CDL Delisted National Clandestine Laboratory Register CDL Meth Lab Locations US CDL National Clandestine Laboratory Register Local Land Records LIENS 2 CERCLA Lien Information Records of Emergency Release Reports HMIRS Hazardous Materials Information Reporting System SPILLS . Spills SPILLS . Spills SPILLS 90 SPILLS 90 data from FirstSearch Other Ascertainable Records RCRA NonGen / NLR RCRA - Non Generators / No Longer Regulated FUDS Formerly Used Defense Sites DOD Department of Defense Sites SCRD DRYCLEANERS State Coalition for Remediation of Drycleaners Listing US FIN ASSUR Financial Assurance Information EPA WATCH LIST . EPA WATCH LIST 2020 COR ACTION . 2020 Corrective Action Program List TSCA_ Toxic Substances Control Act TRIS Toxic Chemical Release Inventory System SSTS Section 7 Tracking Systems ROD Records Of Decision RMP Risk Management Plans RAATS RCRA Administrative Action Tracking System PRP . Potentially Responsible Parties • PADS PCB Activity Database System ICIS Integrated Compliance Information System FTTS . FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fungicide, & Rodenticide Act)/TSCA (Toxic Substances Control Act) MLTS Material Licensing Tracking System COAL ASH DOE Steam -Electric Plant Operation Data COAL ASH EPA_ Coal Combustion Residues Surface Impoundments List PCB TRANSFORMER PCB Transformer Registration Database RADINFO Radiation Information Database HIST FTTS FIFRA/TSCA Tracking System Administrative Case Listing DOT OPS Incident and Accident Data CONSENT Superfund (CERCLA) Consent Decrees INDIAN RESERV Indian Reservations FUSRAP Formerly Utilized Sites Remedial Action Program UMTRA_ Uranium Mill Tailings Sites LEAD SMELTERS Lead Smelter Sites US AIRS Aerometric Information Retrieval System Facility Subsystem US MINES Mines Master Index File TC5510803.2s EXECUTIVE SUMMARY 5 EXECUTIVE SUMMARY ABANDONED MINES Abandoned Mines FINDS Facility Index System/Facility Registry System DOCKET HWC Hazardous Waste Compliance Docket Listing UXO Unexploded Ordnance Sites ECHO Enforcement & Compliance History Information FUELS PROGRAM EPA Fuels Program Registered Listing AIRS Permitted Facility & Emissions Listing ASBESTOS Asbestos Abatement & Demolition Projects METHANE SITE Methane Site Investigations - Jefferson County 1980 Methane Investigation Methane Gas & Swamp Findings DRYCLEANERS Drycleaner Facilities Financial Assurance Financial Assurance Information Listing LEAD LEAD MINES Permitted Mines Listing NPDES Permitted Facility Listing UIC Underground Injection Control UMTRA_ Uranium Mill Tailings Sites EDR HIGH RISK HISTORICAL RECORDS EDR Exclusive Records EDR MGP EDR Proprietary Manufactured Gas Plants EDR Hist Auto EDR Exclusive Historical Auto Stations EDR Hist Cleaner EDR Exclusive Historical Cleaners EDR RECOVERED GOVERNMENT ARCHIVES Exclusive Recovered Govt. Archives RGA LF Recovered Government Archive Solid Waste Facilities List RGA LUST Recovered Government Archive Leaking Underground Storage Tank SURROUNDING SITES: SEARCH RESULTS Surrounding sites were not identified. Unmappable (orphan) sites are not considered in the foregoing analysis. TC5510803.2s EXECUTIVE SUMMARY 6 EXECUTIVE SUMMARY Due to poor or inadequate address information, the following sites were not mapped. Count: 60 records. Site Name Database(s) SPILLS SPILLS ,SPILLS SPILLS - SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS. SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS TC5510803.2s EXECUTIVE SUMMARY 7 EXECUTIVE SUMMARY SPILLS TC5510803 2s EXECUTIVE SUMMARY 8 OVERVIEW MAP - 5510803.2S A se I _ A Target Property Sites at elevations higher than or equal to the target property • Sites at elevations lower than the target property Manufactured Gas Plants National Priority List Sites Dept. Defense Sites N 1/4 1/2 1 Miles Indian Reservations BIA Power transmission lines Pipelines National Wetland Inventory State Wetlands SITE NAME: ADDRESS: LAT/LONG: Cureton Hookside 160 -Acre Parcel Weld County Rd 100 Briggsdale CO 80611 40.71 6369 / 104.130768 This report includes Interactive Map Layers to display and/or hide map information. The legend includes only those icons for the default map view. CLIENT: Olsson CONTACT: Vanessa Scott INQUIRY it: 5510803.2s DATE: December 12, 2018 5:42 pm Copyright 2018 EDR, Inc. 2015 TomTorn orn Rd. 2015 DETAIL MAP - 5510803.2S cm 0 w n CD Co N A ♦ A • Target Property Sites at elevations higher than or equal to the target property Sites at elevations lower than the target property Manufactured Gas Plants Sensitive Receptors National Priority List Sites Dept. Defense Sites N L 0 1/8 1/4 1/2 Mlles Indian Reservaticns B IA Pipelines National Wetland Inventory State Wetlands This report includes Interactive Map Layers to display and/or hide map information. The legend includes only those icons for the default map view. SITE NAME: Cureton Hookside 160 -Acre Parcel ADDRESS: Weld County Rd 100 Briggsdale CO 80611 LAT/LONG: 40.71 6369 / 104.130768 CLIENT: Olsson CONTACT: Vanessa Scott INQUIRY #: 5510803.2s DATE: December 12, 2018 5:43 pm Copyright 2018 EDR, Inc. 2015 TomTom Rd. 2015. MAP FINDINGS SUMMARY Database Search Distance Target Total (Miles) Property < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted STANDARD ENVIRONMENTAL RECORDS Federal NPL site list N PL P roposed NPL N PL LIENS 1.000 1.000 0.001 Federal Delisted NPL site list Delisted NPL Federal CERCLIS list FEDERAL FACILITY S EMS 1.000 0.500 0.500 Federal CERCLIS NFRAP site list S EMS-ARCHIVE 0.500 Federal RCRA CORRACTS facilities list CORRACTS 1.000 Federal RCRA non-CORRACTS TSD facilities list RCRA-TSDF 0.500 Federal RCRA generators list RCRA-LQG RCRA-SQG RCRA-CESQG 0.250 0.250 0.250 Federal institutional controls / engineering controls registries LUCIS U S ENG CONTROLS U S INST CONTROL Federal ERNS list ERNS 0.001 State- and tribal - equivalent CERCLIS SHWS N/A State and tribal landfill and/or solid waste disposal site lists SWF/LF 0.500 State and tribal leaking storage tank lists LUST LAST INDIAN LUST LUST TRUST 0.500 0.500 0.500 0.500 0.500 0.500 0.500 0 0 0 0 NR 0 0 0 0 0 NR 0 0 NR NR NR NR 0 0 0 0 0 NR 0 0 0 0 NR NR 0 0 0 0 NR NR 0 0 0 0 NR NR 0 0 0 0 0 NR 0 0 0 0 NR NR 0 0 0 NR NR NR 0 0 0 NR NR NR 0 0 0 NR NR NR 0 0 0 0 NR NR 0 0 0 0 NR NR 0 0 0 0 NR NR 0 0 NR NR NR NR 0 N/A N/A N/A N/A N/A N/A 0 0 0 NR NR 0 0 0 0 NR NR 0 0 0 0 NR NR 0 0 0 0 NR NR 0 0 0 0 NR NR 0 TC5510803.2s Page 4 MAP FINDINGS SUMMARY Database LTANKS Search Distance Target Total (Miles) Property < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted 0.500 0 0 0 NR NR 0 State and tribal registered storage tank lists FEMA UST UST AST INDIAN UST 0.250 0 0 NR NR NR 0 0.250 0 0 NR NR NR 0 0.250 0 0 NR NR NR 0 0.250 0 0 NR NR NR 0 State and tribal institutional control / engineering control registries AUL 0.500 State and tribal voluntary cleanup sites INDIAN VCP VCP 0 0 0 NR NR 0 0.500 0 0 0 NR NR 0 0.500 0 0 0 NR NR 0 State and tribal Brawnfields sites BROWNFIELDS 0.500 ADDITIONAL ENVIRONMENTAL RECORDS 0 0 0 NR NR 0 Local Brownfield lists US BROWNFIELDS 0.500 0 0 0 NR NR 0 Local Lists of Landfill / Solid Waste Disposal Sites HIST LF 0.500 0 0 0 NR NR 0 SWRCY 0.500 0 0 0 NR NR 0 INDIAN ODI 0.500 0 0 0 NR NR 0 DEBRIS REGION 9 0.500 0 0 0 NR NR 0 ODI 0.500 0 0 0 NR NR 0 IHS OPEN DUMPS 0.500 0 0 0 NR NR 0 Local Lists of Hazardous waste / Contaminated Sites US HIST CDL 0.001 0 NR NR NR NR 0 CDL 0.001 0 NR NR NR NR 0 US CDL 0.001 0 NR NR NR NR 0 Local Land Records LIENS 2 0.001 0 NR NR NR NR 0 Records of Emergency Release Reports HMIRS 0.001 0 NR NR NR NR 0 SPILLS 0.001 0 NR NR NR NR 0 CO ERNS 0.001 0 NR NR NR NR 0 SPILLS 90 0.001 0 NR NR NR NR 0 Other Ascertainable Records RCRA NonGen / NLR 0.250 0 0 NR NR NR 0 TC5510803.2s Page 5 MAP FINDINGS SUMMARY Database Search Distance Target Total (Miles) Property < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted FUDS 1.000 0 0 0 0 NR 0 DOD 1.000 0 0 0 0 NR 0 SCRD DRYCLEANERS 0.500 0 0 0 NR NR 0 US FIN ASSUR 0.001 0 NR NR NR NR 0 EPA WATCH LIST 0.001 0 NR NR NR NR 0 2020 COR ACTION 0.250 0 0 NR NR NR 0 TSCA 0.001 0 NR NR NR NR 0 TRIS 0.001 0 NR NR NR NR 0 SSTS 0.001 0 NR NR NR NR 0 ROD 1.000 0 0 0 0 NR 0 RMP 0.001 0 NR NR NR NR 0 RAATS 0.001 0 NR NR NR NR 0 PRP 0.001 0 NR NR NR NR 0 PADS 0.001 0 NR NR NR NR 0 ICIS 0.001 0 NR NR NR NR 0 FTTS 0.001 0 NR NR NR NR 0 MLTS 0.001 0 NR NR NR NR 0 COAL ASH DOE 0.001 0 NR NR NR NR 0 COAL ASH EPA 0.500 0 0 0 NR NR 0 PCB TRANSFORMER 0.001 0 NR NR NR NR 0 RADINFO 0.001 0 NR NR NR NR 0 HIST FITS 0.001 0 NR NR NR NR 0 DOT OPS 0.001 0 NR NR NR NR 0 CONSENT 1.000 0 0 0 0 NR 0 INDIAN RESERV 0.001 0 NR NR NR NR 0 FUSRAP 1.000 0 0 0 0 NR 0 UMTRA 0.500 0 0 0 NR NR 0 LEAD SMELTERS 0.001 0 NR NR NR NR 0 US AIRS 0.001 0 NR NR NR NR 0 US MINES 0.250 0 0 NR NR NR 0 ABANDONED MINES 0.001 0 NR NR NR NR 0 FINDS 0.001 0 NR NR NR NR 0 DOCKET HWC 0.001 0 NR NR NR NR 0 UXO 1.000 0 0 0 0 NR 0 ECHO 0.001 0 NR NR NR NR 0 FUELS PROGRAM 0.250 0 0 NR NR NR 0 AIRS 0.001 0 NR NR NR NR 0 ASBESTOS 0.001 0 NR NR NR NR 0 METHANE SITE 0.001 0 NR NR NR NR 0 Methane Investigation 0.001 0 NR NR NR NR 0 DRYCLEANERS 0.250 0 0 NR NR NR 0 Financial Assurance 0.001 0 NR NR NR NR 0 LEAD 0.001 0 NR NR NR NR 0 MINES 0.250 0 0 NR NR NR 0 NPDES 0.001 0 NR NR NR NR 0 UIC 0.001 0 NR NR NR NR 0 UMTRA 0.500 0 0 0 NR NR 0 EDR HIGH RISK HISTORICAL RECORDS EDR Exclusive Records EDR MGP 1.000 0 0 0 0 NR 0 TC5510803.2s Page 6 MAP FINDINGS SUMMARY Database Search Distance Target Total (Miles) Property < 1/8 1/8 - 1/4 1/4 - 1/2 1/2 - 1 > 1 Plotted EDR Hist Auto 0.125 EDR Hist Cleaner 0.125 EDR RECOVERED GOVERNMENT ARCHIVES 0 NR NR NR NR 0 0 NR NR NR NR 0 Exclusive Recovered Govt. Archives RGA LF 0.001 0 NR NR NR NR 0 RGA LUST 0.001 0 NR NR NR NR 0 - Totals -- 0 0 0 0 0 0 0 NOTES: TP = Target Property NR = Not Requested at this Search Distance Sites may be listed in more than one database N/A = This State does not maintain a SHWS list. See the Federal CERCLIS list. TC5510803.2s Page 7 Map ID Direction Distance EDR ID Number Elevation Site Database(s) EPA ID Number MAP FINDINGS NO SITES FOUND TC5510803.2s Page 8 Count: 60 records. ORPHAN SUMMARY City EDR ID Site Name BRIGGSDALE S113710738 BRIGGSDALE S113710969 BRIGGSDALE S118426966 GROVER S118974778 GROVER S118426989 WELD COUNTY S106611107 WELD COUNTY S104301833 WELD COUNTY S104302151 WELD COUNTY S109897049 WELD COUNTY S108852491 WELD COUNTY S108029999 WELD COUNTY S104301408 WELD COUNTY S108391267 WELD COUNTY S108029774 WELD COUNTY S106343373 WELD COUNTY S112327180 WELD COUNTY S114012593 WELD COUNTY S109897020 WELD COUNTY S104300251 WELD COUNTY S104303504 WELD COUNTY S104302376 WELD COUNTY S108646470 WELD COUNTY S108391333 WELD COUNTY S 122374164 WELD COUNTY S118493685 WELD COUNTY S108030274 WELD COUNTY S116349826 WELD COUNTY S104301095 WELD COUNTY S121126698 WELD COUNTY S106028832 WELD COUNTY S106121721 WELD COUNTY S110293050 WELD COUNTY S105529587 WELD COUNTY S105529465 WELD COUNTY S113710923 WELD COUNTY S109897030 WELD COUNTY S120784237 WELD COUNTY S122880653 WELD COUNTY S104299900 WELD COUNTY S104302012 WELD COUNTY S104301918 WELD COUNTY S104299243 WELD COUNTY S104301295 Site Address Zip Database(s) HIGHWAY 14 AND WELD COUNTY RD WELD COUNTY RD 105, 1 MILE NOR WELD CR 74 AT WELD CR 85 WELD CR 390, 2 MILES SE OF GRO WELD COUNTY RD 124 & WELD COUN HWY 34 & WELD COUNTY RD 95; 1 S21 3N 67W; INTERSECTION OF ST HWY 52 AND WELD COUNTY ROAD 23 HWY 85 AT WELD COUNTY RD. 6 1-25 AND WELD COUNTY RD. 24.5 1-76 AT WELD COUNTY ROAD 386 COLORADO 392 AT WELD COUNTY RO CORNER OF WELD COUNTY ROAD 18 CORNER WELD C.R. 4 & WELD C.R. INTERSECTION OF WELD COUNTY RD INTERSECTION OF HWY 34 AND WEL JUST NORTH OF INTERSECTION OF 8 MILE STRETCH -WELD CTY RD 22 1/4 MILE NORTH OF 11760 WELD C 1/2 MILE WEST OF WELD COUNTY R NE NE S10 T1N R68W; WEST OF (- NEAR U.S. HWY 85 A WELD COUNTY NEAR 53038 WELD CR 89 (DUNBAR OIL WELL SITE - STATE ANTELOPE POSTLE IC: WELL 11-34 2HC AND SW SEC 23 T2N R67W OFF CR 18 B SESE-SEC: 23, TWN: 11N. RNG: 6 WEST SIDE WELD COUNTY ROAD 13 SWSW-SEC: 7 , TWN: 5N, RNG: 64 WELD COUNTY RD 51 & COLORADO H WELD CR 36-1/2MILE E. OF HWY WELD COUNTY RD. 10.5 & COUNTY WELD CR #37 AND WELD CR #10 18300 E. WELD COUNTY RD. 4 WELD CTY RD 61 & WELD CTY RD. WELD COUNTY RD. 49 & WELD COUN WELD COUNTY RD. 54 & WELD COUN WELD COUNTY RD 10 AND WELD COU WELD COUNTY RD 35 WELD COUNTY ROAD 49 .3 N WELD WELD COUNTY ROAD 45 3/10 MILE WELD COUNTY ROAD 51 & RD 20 WELD COUNTY ROAD 36 & 46; NORT TC5510803.2s Page 9 SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS Count: 60 records. ORPHAN SUMMARY City EDR ID Site Name WELD COUNTY S104298934 WELD COUNTY S104301221 WELD COUNTY S104302929 WELD COUNTY S116349883 WELD COUNTY S112327150 WELD COUNTY S112060051 WELD COUNTY S108030340 WELD COUNTY S108030339 WELD COUNTY S108030338 WELD COUNTY S108030337 WELD COUNTY S108030335 WELD COUNTY S121404995 WELD COUNTY S118426912 WELD COUNTY S111066681 WELD COUNTY S106611278 WELD COUNTY S106482970 WELD COUNTY S108128864 Site Address Zip Database(s) WELD COUNTY 1425 WELD COUNTY ROAD 32 6069 WELD COUNTY ROAD #5 & HWY WELD COUNTY RD.. 76 & WELD COU WELD COUNTY RD. 77, ONE MILE N WELD CR 17 AND WCR 28, 1/4 MIL WELD GOUTY ROAD 31 & WELD COUN WELD COUNTY ROAD 49 NEAR INTER WELD COUNTY ROAD 39, 1/4 MILE WELD COUNTY ROAD 388, .7 MI WE WELD COUNTY RD. 16-50 FT. E. O WELD COUNTY RD 23 AND WCR 43, WELD COUNTY RD 119 AND WELD CO WELD COUNTY RD. 74 & WELD COUN WELD COUNTY RD. 57 & WELD COUN WELD COUNTY RD 19 - 1 MILE S. 50 YARDS WEST OF WELD COUNTY R TC5510803.2s Page 10 SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS SPILLS GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING To maintain currency of the following federal and state databases, EDR contacts the appropriate governmental agency on a monthly or quarterly basis, as required. Number of Days to Update: Provides confirmation that EDR is reporting records that have been updated within 90 days from the date the government agency made the information available to the public. STANDARD ENVIRONMENTAL RECORDS Federal NPL site list NPL: National Priority List National Priorities List (Superfund). The NPL is a subset of CERCLIS and identifies over 1,200 sites for priority cleanup under the Superfund Program. NPL sites may encompass relatively large areas. As such, EDR provides polygon coverage for over 1,000 NPL site boundaries produced by EPA's Environmental Photographic Interpretation Center (EPIC) and regional EPA offices. Date of Government Version: 11/14/2018 Date Data Arrived at EDR: 11/27/2018 Date Made Active in Reports: 12/07/2018 Number of Days to Update: 10 Source: EPA Telephone: N/A Last EDR Contact: 11/27/2018 Next Scheduled EDR Contact: 01/14/2019 Data Release Frequency: Quarterly NPL Site Boundaries Sources: EPA's Environmental Photographic Interpretation Center (EPIC) Telephone: 202-564-7333 EPA Region 1 Telephone 617-918-1143 EPA Region 3 Telephone 215-814-5418 EPA Region 4 Telephone 404-562-8033 EPA Region 5 Telephone 312-886-6686 EPA Region 10 Telephone 206-553-8665 EPA Region 6 Telephone: 214-655-6659 EPA Region 7 Telephone: 913-551-7247 EPA Region 8 Telephone: 303-312-6774 EPA Region 9 Telephone: 415-947-4246 Proposed NPL: Proposed National Priority List Sites A site that has been proposed for listing on the National Priorities List through the issuance of a proposed rule in the Federal Register. EPA then accepts public comments on the site, responds to the comments, and places on the NPL those sites that continue to meet the requirements for listing. Date of Government Version: 11/14/2018 Date Data Arrived at EDR: 11/27/2018 Date Made Active in Reports: 12/07/2018 Number of Days to Update: 10 Source: EPA Telephone: N/A Last EDR Contact: 11/27/2018 Next Scheduled EDR Contact: 01/14/2019 Data Release Frequency: Quarterly NPL LIENS: Federal Superfund Liens Federal Superfund Liens. Under the authority granted the USEPA by CERCLA of 1980, the USEPA has the authority to file liens against real property in order to recover remedial action expenditures or when the property owner received notification of potential liability. USEPA compiles a listing of filed notices of Superfund Liens. TC5510803.2s Page GR-1 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: 10/15/1991 Date Data Arrived at EDR: 02/02/1994 Date Made Active in Reports: 03/30/1994 Number of Days to Update: 56 Federal Delisted NPL site list Source: EPA Telephone: 202-564-4267 Last EDR Contact: 08/15/2011 Next Scheduled EDR Contact: 11/28/2011 Data Release Frequency: No Update Planned Delisted NPL: National Priority List Deletions The National Oil and Hazardous Substances Pollution Contingency Plan (NCP) establishes the criteria that the EPA uses to delete sites from the NPL. In accordance with 40 CFR 300.425.(e), sites may be deleted from the NPL where no further response is appropriate. Date of Government Version: 11/14/2018 Date Data Arrived at EDR: 11/27/2018 Date Made Active in Reports: 12/07/2018 Number of Days to Update: 10 Federal CERCLIS list Source: EPA Telephone: N/A Last EDR Contact: 11/27/2018 Next Scheduled EDR Contact: 01/14/2019 Data Release Frequency: Quarterly FEDERAL FACILITY: Federal Facility Site Information listing A listing of National Priority List (NPL) and Base Realignment and Closure (BRAG) sites found in the Comprehensive Environmental Response, Compensation and Liability Information System (CERCLIS) Database where EPA Federal Facilities Restoration and Reuse Office is involved in cleanup activities. Date of Government Version: 11/07/2016 Date Data Arrived at EDR: 01/05/2017 Date Made Active in Reports: 04/07/2017 Number of Days to Update: 92 Source: Environmental Protection Agency Telephone: 703-603-8704 Last EDR Contact: 07/06/2018 Next Scheduled EDR Contact: 10/15/2018 Data Release Frequency: Varies SEMS: Superfund Enterprise Management System SEMS (Superfund Enterprise Management System) tracks hazardous waste sites, potentially hazardous waste sites, and remedial activities performed in support of EPA's Superfund Program across the United States. The list was formerly know as CERCLIS, renamed to SEMS by the EPA in 2015. The list contains data on potentially hazardous waste sites that have been reported to the USEPA by states, municipalities, private companies and private persons, pursuant to Section 103 of the Comprehensive Environmental Response, Compensation, and Liability Act (CERCLA). This dataset also contains sites which are either proposed to or on the National Priorities List (NPL) and the sites which are in the screening and assessment phase for possible inclusion on the NPL. Date of Government Version: 11/14/2018 Date Data Arrived at EDR: 11/27/2018 Date Made Active in Reports: 12/07/2018 Number of Days to Update: 10 Federal CERCLIS NFRAP site list Source: EPA Telephone: 800-424-9346 Last EDR Contact: 11/27/2018 Next Scheduled EDR Contact: 01/28/2019 Data Release Frequency: Quarterly SEMS-ARCHIVE: Superfund Enterprise Management System Archive TC5510803.2s Page GR-2 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING SEMS-ARCHIVE (Superfund Enterprise Management System Archive) tracks sites that have no further interest under the Federal Superfund Program based on available information. The list was formerly known as the CERCLIS-NFRAP, renamed to SEMS ARCHIVE by the EPA in 2015. EPA may perform a minimal level of assessment work at a site while it is archived if site conditions change and/or new information becomes available. Archived sites have been removed and archived from the inventory of SEMS sites. Archived status indicates that, to the best of EPA's knowledge, assessment at a site has been completed and that EPA has determined no further steps will be taken to list the site on the National Priorities List (NPL), unless information indicates this decision was not appropriate or other considerations require a recommendation for listing at a later time. The decision does not necessarily mean that there is no hazard associated with a given site; it only means that. based upon available information, the location is not judged to be potential NPL site. Date of Government Version: 11/14/2018 Date Data Arrived at EDR: 11/28/2018 Date Made Active in Reports: 12/07/2018 Number of Days to Update: 9 Federal RCRA CORRACTS facilities list Source: EPA Telephone: 800-424-9346 Last EDR Contact: 11/28/2018 Next Scheduled EDR Contact: 01/28/2019 Data Release Frequency: Quarterly CORRACTS: Corrective Action Report CORRACTS identifies hazardous waste handlers with RCRA corrective action activity. Date of Government Version: 03/01/2018 Date Data Arrived at EDR: 03/28/2018 Date Made Active in Reports: 06/22/2018 Number of Days to Update: 86 Federal RCRA non-CORRACTS TSD facilities list Source: EPA Telephone: 800-424-9346 Last EDR Contact: 12/03/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Quarterly RCRA-TSDF: RCRA - Treatment, Storage and Disposal RCRAInfo is EPA's comprehensive information system, providing access to data supporting the Resource Conservation and Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The database includes selective information on sites which generate, transport, store, treat and/or dispose of hazardous waste as defined by the Resource Conservation and Recovery Act (RCRA). Transporters are individuals or entities that move hazardous waste from the generator offsite to a facility that can recycle, treat, store, or dispose of the waste. TSDFs treat, store, or dispose of the waste. Date of Government Version: 03/01/2018 Date Data Arrived at EDR: 03/28/2018 Date Made Active in Reports: 06/22/2018 Number of Days to Update: 86 Federal RCRA generators list Source: Environmental Protection Agency Telephone: 303-312-6149 Last EDR Contact: 12/03/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Quarterly RCRA-LQG: RCRA - Large Quantity Generators RCRAInfo is EPA's comprehensive information system, providing access to data supporting the Resource Conservation and Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The database includes selective information on sites which generate, transport, store, treat and/or dispose of hazardous waste as defined by the Resource Conservation and Recovery Act (RCRA). Large quantity generators (LQGs) generate over 1,000 kilograms (kg) of hazardous waste, or over 1 kg of acutely hazardous waste per month. Date of Government Version: 03/01/2018 Date Data Arrived at EDR: 03/28/2018 Date Made Active in Reports: 06/22/2018 Number of Days to Update: 86 Source: Environmental Protection Agency Telephone: 303-312-6149 Last EDR Contact: 12/03/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Quarterly TC5510803.2s Page GR-3 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING RCRA-SQG: RCRA - Small Quantity Generators RCRAInfo is EPA's comprehensive information system, providing access to data supporting the Resource Conservation and Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The database includes selective information on sites which generate, transport, store, treat and/or dispose of hazardous waste as defined by the Resource Conservation and Recovery Act (RCRA). Small quantity generators (SQGs) generate between 100 kg and 1,000 kg of hazardous waste per month. Date of Government Version: 03/01/2018 Date Data Arrived at EDR: 03/28/2018 Date Made Active in Reports: 06/22/2018 Number of Days to Update: 86 Source: Environmental Protection Agency Telephone: 303-312-6149 Last EDR Contact: 12/03/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Quarterly RCRA-CESQG: RCRA - Conditionally Exempt Small Quantity Generators RCRAInfo is EPA's comprehensive information system, providing access to data supporting the Resource Conservation and Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The database includes selective information on sites which generate, transport, store, treat and/or dispose of hazardous waste as defined by the Resource Conservation and Recovery Act (RCRA). Conditionally exempt small quantity generators (CESQGs) generate less than 100 kg of hazardous waste, or less than 1 kg of acutely hazardous waste per month. Date of Government Version: 03/01/2018 Date Data Arrived at EDR: 03/28/2018 Date Made Active in Reports: 06/22/2018 Number of Days to Update: 86 Source: Environmental Protection Agency Telephone: 303-312-6149 Last EDR Contact: 12/03/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Quarterly Federal institutional controls/ engineering controls registries LUCIS: Land Use Control Information System LUCIS contains records of land use control information pertaining to the former Navy Base Realignment and Closure properties. Date of Government Version: 10/17/2018 Date Data Arrived at EDR: 10/25/2018 Date Made Active in Reports: 12/07/2018 Number of Days to Update: 43 Source: Department of the Navy Telephone: 843-820-7326 Last EDR Contact: 10/15/2018 Next Scheduled EDR Contact: 02/25/2019 Data Release Frequency: Varies US ENG CONTROLS: Engineering Controls Sites List A listing of sites with engineering controls in place. Engineering controls include various forms of caps, building foundations, liners, and treatment methods to create pathway elimination for regulated substances to enter environmental media or effect human health. Date of Government Version: 07/31/2018 Date Data Arrived at EDR: 08/28/2018 Date Made Active in Reports: 09/14/2018 Number of Days to Update: 17 Source: Environmental Protection Agency Telephone: 703-603-0695 Last EDR Contact: 11/28/2018 Next Scheduled EDR Contact: 03/11/2019 Data Release Frequency: Varies US INST CONTROL: Sites with Institutional Controls A listing of sites with institutional controls in place. Institutional controls include administrative measures, such as groundwater use restrictions, construction restrictions, property use restrictions, and post remediation care requirements intended to prevent exposure to contaminants remaining on site. Deed restrictions are generally required as part of the institutional controls. Date of Government Version: 07/31/2018 Date Data Arrived at EDR: 08/28/2018 Date Made Active in Reports: 09/14/2018 Number of Days to Update: 17 Source: Environmental Protection Agency Telephone: 703-603-0695 Last EDR Contact: 11/28/2018 Next Scheduled EDR Contact: 03/11/2019 Data Release Frequency: Varies TC5510803.2s Page GR-4 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Federal ERNS list ERNS: Emergency Response Notification System Emergency Response Notification System. ERNS records and stores information on reported releases of oil and hazardous substances. Date of Government Version: 09/24/2018 Date Data Arrived at EDR: 09/25/2018 Date Made Active in Reports: 11/09/2018 Number of Days to Update: 45 State- and tribal - equivalent CERCLIS Source: National Response Center, United States Coast Guard Telephone: 202-267-2180 Last EDR Contact: 09/25/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Quarterly SHWS: This state does not maintain a SHWS list. See the Federal CERCLIS list and Federal NPL list. State Hazardous Waste Sites. State hazardous waste site records are the states' equivalent to CERCLIS. These sites may or may not already be listed on the federal CERCLIS list. Priority sites planned for cleanup using state funds (state equivalent of Superfund) are identified along with sites where cleanup will be paid for by potentially responsible parties. Available information varies by state. Date of Government Version: N/A Date Data Arrived at EDR: N/A Date Made Active in Reports: N/A Number of Days to Update: N/A Source: Department of Public Health & Environment Telephone: 303-692-3300 Last EDR Contact: 11/07/2018 Next Scheduled EDR Contact: 02/25/2019 Data Release Frequency: N/A State and tribal landfill and/or solid waste disposal site lists SWF/LF: Solid Waste Sites & Facilities Solid Waste Facilities/Landfill Sites. SWF/LF type records typically contain an inventory of solid waste disposal facilities or landfills in a particular state. Depending on the state, these may be active or inactive facilities or open dumps that failed to meet RCRA Subtitle D Section 4004 criteria for solid waste landfills or disposal sites. Date of Government Version: 12/04/2014 Date Data Arrived at EDR: 02/13/2015 Date Made Active in Reports: 03/04/2015 Number of Days to Update: 19 State and tribal leaking storage tank lists Source: Department of Public Health & Environment Telephone: 303-692-3300 Last EDR Contact: 11/09/2018 Next Scheduled EDR Contact: 02/18/2019 Data Release Frequency: Annually LUST: Leaking Underground Storage Tank List Leaking Underground Storage Tank Incident Reports. LUST records contain an inventory of reported leaking underground storage tank incidents. Not all states maintain these records, and the information stored varies by state. Date of Government Version: 03/01/2018 Date Data Arrived at EDR: 03/07/2018 Date Made Active in Reports: 04/03/2018 Number of Days to Update: 27 Source: Department of Labor and Employment, Oil Inspection Section Telephone: 303-318-8521 Last EDR Contact: 03/07/2018 Next Scheduled EDR Contact: 06/18/2018 Data Release Frequency: Quarterly LAST: Leaking Aboveground Storage Tank Listing A listing of leaking aboveground storage tank sites. This list is no longer maintained. For current Leaking AST information, please see LTANKS. Date of Government Version: 03/01/2018 Date Data Arrived at EDR: 03/07/2018 Date Made Active in Reports: 04/03/2018 Number of Days to Update: 27 Source: Department of Labor & Employment Telephone: 303-318-8525 Last EDR Contact: 05/31/2018 Next Scheduled EDR Contact: 09/10/2018 Data Release Frequency: No Update Planned TC5510803.2s Page GR-5 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING INDIAN LUST R10: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in Alaska, Idaho, Oregon and Washington. Date of Government Version: 04/12/2018 Source: EPA Region 10 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Telephone: 206-553-2857 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN LUST R9: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in Arizona, California, New Mexico and Nevada Date of Government Version: 04/10/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: Environmental Protection Agency Telephone: 415-972-3372 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN LUST R8: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in Colorado, Montana, North Dakota, South Dakota, Utah and Wyoming. Date of Government Version: 04/25/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 8 Telephone: 303-312-6271 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN LUST R6: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in New Mexico and Oklahoma. Date of Government Version: 04/01/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 6 Telephone: 214-665-6597 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN LUST R4: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in Florida, Mississippi and North Carolina. Date of Government Version: 05/08/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 4 Telephone: 404-562-8677 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN LUST R1: Leaking Underground Storage Tanks on Indian Land A listing of leaking underground storage tank locations on Indian Land. Date of Government Version: 04/13/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 1 Telephone: 617-918-1313 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN LUST R5: Leaking Underground Storage Tanks on Indian Land Leaking underground storage tanks located on Indian Land in Michigan, Minnesota and Wisconsin. Date of Government Version: 04/12/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA, Region 5 Telephone: 312-886-7439 Last EDR Contact 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies TC5510803.2s Page GR-6 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING INDIAN LUST R7: Leaking Underground Storage Tanks on Indian Land LUSTs on Indian land in Iowa, Kansas, and Nebraska Date of Government Version: 04/24/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 7 Telephone: 913-551-7003 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies TRUST: Lust Trust Sites Reimbursement application package. The 1989 Colorado General Assembly established Colorado's Petroleum Storage Tank Fund. The Fund reimburses eligible applicants for allowable costs incurred in cleaning up petroleum contamination from underground and aboveground petroleum storage tanks, as well as for third -party liability expenses. Remediation of contamination caused by railroad or aircraft fuel is not eligible for reimbursement. The Fund satisfies federal Environmental Protection Agency financial assurance requirements. Monies in the Fund come from various sources, predominantly the state environmental surcharge imposed on all petroleum products except railroad or aircraft fuel. Date of Government Version: 08/31/2018 Date Data Arrived at EDR: 09/04/2018 Date Made Active in Reports: 09/20/2018 Number of Days to Update: 16 Source: Department of Labor and Employment, Oil Inspection Section Telephone: 303-318-8521 Last EDR Contact: 09/04/2019 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Varies LTANKS: Petroleum Release Events Listing Active and Closed OPS Petroleum Release Events in Colorado. Includes the OPS Open Event locations, but also shows locations of closed events (releases that have been issued a No Further Action determination). Date of Government Version: 08/15/2018 Date Data Arrived at EDR: 09/05/2018 Date Made Active in Reports: 09/20/2018 Number of Days to Update: 15 State and tribal registered storage tank lists Source: Department of Labor & Employment Telephone: 303-318-8525 Last EDR Contact: 12/05/2018 Next Scheduled EDR Contact: 03/18/2019 Data Release Frequency: Quarterly FEMA UST: Underground Storage Tank Listing A listing of all FEMA owned underground storage tanks Date of Government Version: 05/15/2017 Date Data Arrived at EDR: 05/30/2017 Date Made Active in Reports: 10/13/2017 Number of Days to Update: 136 Source: FEMA Telephone: 202-646-5797 Last EDR Contact: 10/10/2018 Next Scheduled EDR Contact: 01/21/2019 Data Release Frequency: Varies UST: Underground Storage Tank Database Registered Underground Storage Tanks. UST's are regulated under Subtitle I of the Resource Conservation and Recovery Act (RCRA) and must be registered with the state department responsible for administering the UST program. Available information varies by state program. Date of Government Version: 08/29/2018 Date Data Arrived at EDR: 08/31/2018 Date Made Active in Reports: 09/19/2018 Number of Days to Update: 19 AST: Aboveground Tank List Aboveground storage tank locations. Source: Department of Labor and Employment, Oil Inspection Section Telephone: 303-318-8521 Last EDR Contact: 11/29/2018 Next Scheduled EDR Contact: 03/18/2019 Data Release Frequency: Quarterly TC5510803.2s Page GR-7 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: 08/29/2018 Date Data Arrived at EDR: 08/31/2018 Date Made Active in Reports: 09/19/2018 Number of Days to Update: 19 Source: Department of Labor and Employment, Oil Inspection Section Telephone: 303-318-8521 Last EDR Contact: 11/29/2018 Next Scheduled EDR Contact: 03/18/2019 Data Release Frequency: Semi -Annually INDIAN UST R9: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 9 (Arizona, California, Hawaii, Nevada, the Pacific Islands, and Tribal Nations). Date of Government Version: 04/10/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 9 Telephone: 415-972-3368 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN UST R10: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 10 (Alaska, Idaho, Oregon, Washington, and Tribal Nations). Date of Government Version: 04/12/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 10 Telephone: 206-553-2857 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN UST R8: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 8 (Colorado, Montana, North Dakota, South Dakota, Utah, Wyoming and 27 Tribal Nations). Date of Government Version: 04/25/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 8 Telephone: 303-312-6137 Last EDR Contact 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN UST R7: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 7 (Iowa, Kansas, Missouri, Nebraska, and 9 Tribal Nations). Date of Government Version: 04/24/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 7 Telephone: 913-551-7003 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN UST R6: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 6 (Louisiana, Arkansas, Oklahoma, New Mexico, Texas and 65 Tribes). Date of Government Version: 04/01/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 6 Telephone: 214-665-7591 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN UST R5: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 5 (Michigan, Minnesota and Wisconsin and Tribal Nations). TC5510803.2s Page GR-8 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: 04/12/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 5 Telephone: 312-886-6136 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN UST R1: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 1 (Connecticut, Maine, Massachusetts, New Hampshire, Rhode Island, Vermont and ten Tribal Nations). Date of Government Version: 04/13/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA, Region 1 Telephone: 617-918-1313 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies INDIAN UST R4: Underground Storage Tanks on Indian Land The Indian Underground Storage Tank (UST) database provides information about underground storage tanks on Indian land in EPA Region 4 (Alabama, Florida, Georgia, Kentucky, Mississippi, North Carolina, South Carolina, Tennessee and Tribal Nations) Date of Government Version: 05/08/2018 Date Data Arrived at EDR: 05/18/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 63 Source: EPA Region 4 Telephone: 404-562-9424 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies State and tribal institutional control / engineering control registries AUL: Environmental Real Covenants List Senate Bill 01-145 gave authority to the Colorado Department of Public Health and Environment to approve requests to restrict the future use of a property using an enforceable agreement called an environmental covenant. When a contaminated site is not cleaned up completely, land use restrictions may be used to ensure that the selected cleanup remedy is adequately protective of human health and the environment. Date of Government Version: 10/10/2018 Date Data Arrived at EDR: 10/30/2018 Date Made Active in Reports: 11/30/2018 Number of Days to Update: 31 State and tribal voluntary cleanup sites Source: Department of Public Health & Environment Telephone: 303-692-3331 Last EDR Contact: 10/25/2018 Next Scheduled EDR Contact: 02/11/2019 Data Release Frequency: Varies INDIAN VCP R7: Voluntary Cleanup Priority Lisitng A listing of voluntary cleanup priority sites located on Indian Land located in Region 7. Date of Government Version: 03/20/2008 Date Data Arrived at EDR: 04/22/2008 Date Made Active in Reports: 05/19/2008 Number of Days to Update: 27 Source: EPA, Region 7 Telephone: 913-551-7365 Last EDR Contact: 04/20/2009 Next Scheduled EDR Contact: 07/20/2009 Data Release Frequency: Varies VCP: Voluntary Cleanup & Redevelopment Act Application Tracking Report The Voluntary Cleanup and Redevelopment Act is intended to permit and encourage voluntary cleanups by providing a method to determine clean-up responsibilities in planning the reuse of property. The VCRA was intended for sites which were not covered by existing regulatory programs. Date of Government Version: 02/20/2018 Date Data Arrived at EDR: 04/13/2018 Date Made Active in Reports: 04/20/2018 Number of Days to Update: 7 Source: Department of Public Health and Environmental Telephone: 303-692-3331 Last EDR Contact: 10/12/2018 Next Scheduled EDR Contact: 01/21/2019 Data Release Frequency: Semi -Annually TC5510803.2s Page GR-9 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING INDIAN VCP R1: Voluntary Cleanup Priority Listing A listing of voluntary cleanup priority sites located on Indian Land located in Region 1. Date of Government Version: 07/27/2015 Date Data Arrived at EDR: 09/29/2015 Date Made Active in Reports: 02/18/2016 Number of Days to Update: 142 State and tribal Brownfields sites BROWNFIELDS: Brownfields Sites Listing Brownfields Sites Listing Date of Government Version: 10/10/2018 Date Data Arrived at EDR: 10/23/2018 Date Made Active in Reports: 11/30/2018 Number of Days to Update: 38 ADDITIONAL ENVIRONMENTAL RECORDS Local Brownfield lists Source: EPA, Region 1 Telephone: 617-918-1102 Last EDR Contact: 09/24/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Varies Source: Department of Public Health & Environment Telephone: 303-692-3331 Last EDR Contact: 10/22/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies US BROWNFIELDS: A Listing of Brownfields Sites Brownfields are real property, the expansion, redevelopment, or reuse of which may be complicated by the presence or potential presence of a hazardous substance, pollutant, or contaminant. Cleaning up and reinvesting in these properties takes development pressures off of undeveloped, open land, and both improves and protects the environment. Assessment, Cleanup and Redevelopment Exchange System (ACRES) stores information reported by EPA Brownfields grant recipients on brownfields properties assessed or cleaned up with grant funding as well as information on Targeted Brownfields Assessments performed by EPA Regions. A listing of ACRES Brownfield sites is obtained from Cleanups in My Community. Cleanups in My Community provides information on Brownfields properties for which information is reported back to EPA, as well as areas served by Brownfields grant programs. Date of Government Version: 09/18/2018 Date Data Arrived at EDR: 09/18/2018 Date Made Active in Reports: 11/09/2018 Number of Days to Update: 52 Source: Environmental Protection Agency Telephone: 202-566-2777 Last EDR Contact: 09/18/2018 Next Scheduled EDR Contact: 12/31/2018 Data Release Frequency: Semi -Annually Local Lists of Landfill/ Solid Waste Disposal Sites HISTORICAL LANDFILL: Historical Landfill List Abandoned/Inactive Landfills. Date of Government Version: 01/31/1993 Date Data Arrived at EDR: 04/24/1994 Date Made Active in Reports: 05/30/1994 Number of Days to Update: 36 SWRCY: Registered Recyclers Listing A listing of registered recycler locations in the Date of Government Version: 08/31/2018 Date Data Arrived at EDR: 09/11/2018 Date Made Active in Reports: 09/20/2018 Number of Days to Update: 9 Source: Department of Public Health & Environment Telephone: 303-692-3300 Last EDR Contact: 09/05/1996 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned state of Colorado. Source: Department of Public Health & Environment Telephone: 303-692-3337 Last EDR Contact: 12/06/2018 Next Scheduled EDR Contact: 03/25/2019 Data Release Frequency: Semi -Annually TC5510803.2s Page GR-10 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING INDIAN ODI: Report on the Status of Open Dumps on Indian Lands Location of open dumps on Indian land. Date of Government Version: 12/31/1998 Date Data Arrived at EDR: 12/03/2007 Date Made Active in Reports: 01/24/2008 Number of Days to Update: 52 Source: Environmental Protection Agency Telephone: 703-308-8245 Last EDR Contact: 10/25/2018 Next Scheduled EDR Contact: 02/11/2019 Data Release Frequency: Varies DEBRIS REGION 9: Torres Martinez Reservation Illegal Dump Site Locations A listing of illegal dump sites location on the Torres Martinez Indian Reservation located in eastern Riverside County and northern Imperial County, California. Date of Government Version: 01/12/2009 Date Data Arrived at EDR: 05/07/2009 Date Made Active in Reports: 09/21/2009 Number of Days to Update: 137 Source: EPA, Region 9 Telephone: 415-947-4219 Last EDR Contact: 10/22/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: No Update Planned ODI: Open Dump Inventory An open dump is defined as a disposal facility that does not comply with one or more of the Part 257 or Part 258 Subtitle D Criteria. Date of Government Version: 06/30/1985 Date Data Arrived at EDR: 08/09/2004 Date Made Active in Reports: 09/17/2004 Number of Days to Update: 39 Source: Environmental Protection Agency Telephone: 800-424-9346 Last EDR Contact: 06/09/2004 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned IHS OPEN DUMPS: Open Dumps on Indian Land A listing of all open dumps located on Indian Land in the United States. Date of Government Version: 04/01/2014 Date Data Arrived at EDR: 08/06/2014 Date Made Active in Reports: 01/29/2015 Number of Days to Update: 176 Source: Department of Health & Human Serivces, Indian Health Service Telephone: 301-443-1452 Last EDR Contact: 11/02/2018 Next Scheduled EDR Contact: 02/11/2019 Data Release Frequency: Varies Local Lists of Hazardous waste / Contaminated Sites US HIST CDL: National Clandestine Laboratory Register A listing of clandestine drug lab locations that have been removed from the DEAs National Clandestine Laboratory Register. Date of Government Version: 09/21/2018 Date Data Arrived at EDR: 09/21/2018 Date Made Active in Reports: 11/09/2018 Number of Days to Update: 49 CDL: Meth Lab Locations Meth lab locations that were reported to the Date of Government Version: 10/01/2018 Date Data Arrived at EDR: 10/04/2018 Date Made Active in Reports: 10/24/2018 Number of Days to Update: 20 Source: Drug Enforcement Administration Telephone: 202-307-1000 Last EDR Contact: 11/26/2018 Next Scheduled EDR Contact: 03/11/2019 Data Release Frequency: No Update Planned Department of Public Health & Environment. Source: Department of Public Health and Environment Telephone: 303-692-3023 Last EDR Contact: 10/01/2018 Next Scheduled EDR Contact: 01/14/2019 Data Release Frequency: Quarterly TC5510803.2s Page GR-11 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING US CDL: Clandestine Drug Labs A listing of clandestine drug lab locations. The U.S. Department of Justice ("the Department") provides this web site as a public service. It contains addresses of some locations where law enforcement agencies reported they found chemicals or other items that indicated the presence of either clandestine drug laboratories or dumpsites. In most cases, the source of the entries is not the Department, and the Department has not verified the entry and does not guarantee its accuracy. Members of the public must verify the accuracy of all entries by, for example, contacting local law enforcement and local health departments. Date of Government Version: 09/21/2018 Date Data Arrived at EDR: 09/21/2018 Date Made Active in Reports: 11/09/2018 Number of Days to Update: 49 Local Land Records Source: Drug Enforcement Administration Telephone: 202-307-1000 Last EDR Contact: 11/26/2018 Next Scheduled EDR Contact: 03/11/2019 Data Release Frequency: Quarterly LIENS 2: CERCLA Lien Information A Federal CERCLA ('Superfund') lien can exist by operation of law at any site or property at which EPA has spent Superfund monies. These monies are spent to investigate and address releases and threatened releases of contamination. CERCLIS provides information as to the identity of these sites and properties. Date of Government Version: 08/13/2018 Date Data Arrived at EDR: 10/04/2018 Date Made Active in Reports: 11/16/2018 Number of Days to Update: 43 Records of Emergency Release Reports Source: Environmental Protection Agency Telephone: 202-564-6023 Last EDR Contact: 11/27/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Semi -Annually HMIRS: Hazardous Materials Information Reporting System Hazardous Materials Incident Report System. HMIRS contains hazardous material spill incidents reported to DOT. Date of Government Version: 03/26/2018 Date Data Arrived at EDR: 03/27/2018 Date Made Active in Reports: 06/08/2018 Number of Days to Update: 73 CO ERNS: Spills Database State reported spills. Date of Government Version: 10/01/2018 Date Data Arrived at EDR: 10/04/2018 Date Made Active in Reports: 10/24/2018 Number of Days to Update: 20 Source: U.S. Department of Transportation Telephone: 202-366-4555 Last EDR Contact: 09/25/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Quarterly Source: Department of Public Health and Environmental Telephone: 303-692-2000 Last EDR Contact: 10/01/2018 Next Scheduled EDR Contact: 01/14/2019 Data Release Frequency: Quarterly SPILLS 2: Spills A listing of spills reported to the Oil & Gas Conservation Commission Date of Government Version: 09/26/2018 Date Data Arrived at EDR: 09/26/2018 Date Made Active in Reports: 11/01/2018 Number of Days to Update: 36 Source: Oil & Gas Conservation Commission Telephone: 303-894-2100 Last EDR Contact: 09/26/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Quarterly SPILLS 90: SPILLS90 data from FirstSearch Spills 90 includes those spill and release records available exclusively from FirstSearch databases. Typically, they may include chemical, oil and/or hazardous substance spills recorded after 1990. Duplicate records that are already included in EDR incident and release records are not included in Spills 90. TC5510803.2s Page GR-12 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: 10/15/2012 Date Data Arrived at EDR: 01/03/2013 Date Made Active in Reports: 02/06/2013 Number of Days to Update: 34 Other Ascertainable Records Source: FirstSearch Telephone: N/A Last EDR Contact: 01/03/2013 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned RCRA NonGen / NLR: RCRA - Non Generators / No Longer Regulated RCRAInfo is EPA's comprehensive information system, providing access to data supporting the Resource Conservation and Recovery Act (RCRA) of 1976 and the Hazardous and Solid Waste Amendments (HSWA) of 1984. The database includes selective information on sites which generate, transport, store, treat and/or dispose of hazardous waste as defined by the Resource Conservation and Recovery Act (RCRA). Non -Generators do not presently generate hazardous waste. Date of Government Version: 03/01/2018 Date Data Arrived at EDR: 03/28/2018 Date Made Active in Reports: 06/22/2018 Number of Days to Update: 86 Source: Environmental Protection Agency Telephone: 303-312-6149 Last EDR Contact: 12/03/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Quarterly FUDS: Formerly Used Defense Sites The listing includes locations of Formerly Used Defense Sites properties where the US Army Corps of Engineers is actively working or will take necessary cleanup actions. Date of Government Version: 01/31/2015 Date Data Arrived at EDR: 07/08/2015 Date Made Active in Reports: 10/13/2015 Number of Days to Update: 97 Source: U.S. Army Corps of Engineers Telephone: 202-528-4285 Last EDR Contact: 11/19/2018 Next Scheduled EDR Contact: 03/04/2019 Data Release Frequency: Varies DOD: Department of Defense Sites This data set consists of federally owned or administered lands, administered by the Department of Defense, that have any area equal to or greater than 640 acres of the United States, Puerto Rico, and the U.S. Virgin Islands. Date of Government Version: 12/31/2005 Date Data Arrived at EDR: 11/10/2006 Date Made Active in Reports: 01/11/2007 Number of Days to Update: 62 Source: USGS Telephone: 888-275-8747 Last EDR Contact: 10/12/2018 Next Scheduled EDR Contact: 01/21/2019 Data Release Frequency: Semi -Annually FEDLAND: Federal and Indian Lands Federally and Indian administrated lands of the United States. Lands included are administrated by: Army Corps of Engineers, Bureau of Reclamation, National Wild and Scenic River, National Wildlife Refuge, Public Domain Land, Wilderness, Wilderness Study Area, Wildlife Management Area, Bureau of Indian Affairs, Bureau of Land Management, Department of Justice, Forest Service, Fish and Wildlife Service, National Park Service. Date of Government Version: 12/31/2005 Date Data Arrived at EDR: 02/06/2006 Date Made Active in Reports: 01/11/2007 Number of Days to Update: 339 Source: U.S. Geological Survey Telephone: 888-275-8747 Last EDR Contact: 10/12/2018 Next Scheduled EDR Contact: 01/21/2019 Data Release Frequency: N/A SCRD DRYCLEANERS: State Coalition for Remediation of Drycleaners Listing The State Coalition for Remediation of Drycleaners was established in 1998, with support from the U.S. EPA Office of Superfund Remediation and Technology Innovation. It is comprised of representatives of states with established drycleaner remediation programs. Currently the member states are Alabama, Connecticut, Florida, Illinois, Kansas, Minnesota, Missouri, North Carolina, Oregon, South Carolina, Tennessee, Texas, and Wisconsin. TC5510803.2s Page GR-13 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: 01/01/2017 Date Data Arrived at EDR: 02/03/2017 Date Made Active in Reports: 04/07/2017 Number of Days to Update: 63 US FIN ASSUR: Financial Assurance Information All owners and operators of facilities that treat, proof that they will have sufficient funds to pay Date of Government Version: 08/31/2018 Date Data Arrived at EDR: 09/25/2018 Date Made Active in Reports: 11/09/2018 Number of Days to Update: 45 Source: Environmental Protection Agency Telephone: 615-532-8599 Last EDR Contact: 11/16/2018 Next Scheduled EDR Contact: 02/25/2019 Data Release Frequency: Varies store, or dispose of hazardous waste are required to provide for the clean up, closure, and post -closure care of their facilities. Source: Environmental Protection Agency Telephone: 202-566-1917 Last EDR Contact: 09/25/2018 Next Scheduled EDR Contact: 01/07/2019 Data Release Frequency: Quarterly EPA WATCH LIST: EPA WATCH LIST EPA maintains a "Watch List" to facilitate dialogue between EPA, state and local environmental agencies on enforcement matters relating to facilities with alleged violations identified as either significant or high priority. Being on the Watch List does not mean that the facility has actually violated the law only that an investigation by EPA or a state or local environmental agency has led those organizations to allege that an unproven violation has in fact occurred. Being on the Watch List does not represent a higher level of concern regarding the alleged violations that were detected, but instead indicates cases requiring additional dialogue between EPA, state and local agencies - primarily because of the length of time the alleged violation has gone unaddressed or unresolved. Date of Government Version: 08/30/2013 Date Data Arrived at EDR: 03/21/2014 Date Made Active in Reports: 06/17/2014 Number of Days to Update: 88 Source: Environmental Protection Agency Telephone: 617-520-3000 Last EDR Contact: 11/05/2018 Next Scheduled EDR Contact: 02/18/2019 Data Release Frequency: Quarterly 2020 COR ACTION: 2020 Corrective Action Program List The EPA has set ambitious goals for the RCRA Corrective Action program by creating the 2020 Corrective Action Universe. This RCRA cleanup baseline includes facilities expected to need corrective action. The 2020 universe contains a wide variety of sites. Some properties are heavily contaminated while others were contaminated but have since been cleaned up. Still others have not been fully investigated yet, and may require little or no remediation. Inclusion in the 2020 Universe does not necessarily imply failure on the part of a facility to meet its RCRA obligations. Date of Government Version: 09/30/2017 Date Data Arrived at EDR: 05/08/2018 Date Made Active in Reports: 07/20/2018 Number of Days to Update: 73 Source: Environmental Protection Agency Telephone: 703-308-4044 Last EDR Contact: 11/09/2018 Next Scheduled EDR Contact: 02/18/2019 Data Release Frequency: Varies TSCA: Toxic Substances Control Act Toxic Substances Control Act. TSCA identifies manufacturers and importers of chemical substances included on the TSCA Chemical Substance Inventory list. It includes data on the production volume of these substances by plant site. Date of Government Version: 12/31/2016 Date Data Arrived at EDR: 06/21/2017 Date Made Active in Reports: 01/05/2018 Number of Days to Update: 198 Source: EPA Telephone: 202-260-5521 Last EDR Contact: 09/21/2018 Next Scheduled EDR Contact: 12/31/2018 Data Release Frequency: Every 4 Years TRIS: Toxic Chemical Release Inventory System Toxic Release Inventory System. TRIS identifies facilities which release toxic chemicals to the air, water and land in reportable quantities under SARA Title III Section 313. TC5510803.2s Page GR-14 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: 12/31/2016 Date Data Arrived at EDR: 01/10/2018 Date Made Active in Reports: 01/12/2018 Number of Days to Update: 2 Source: EPA Telephone: 202-566-0250 Last EDR Contact: 11/16/2018 Next Scheduled EDR Contact: 03/04/2019 Data Release Frequency: Annually SSTS: Section 7 Tracking Systems Section 7 of the Federal Insecticide, Fungicide and Rodenticide Act, as amended (92 Stat. 829) requires all registered pesticide -producing establishments to submit a report to the Environmental Protection Agency by March 1st each year. Each establishment must report the types and amounts of pesticides, active ingredients and devices being produced, and those having been produced and sold or distributed in the past year. Date of Government Version: 12/31/2009 Date Data Arrived at EDR: 12/10/2010 Date Made Active in Reports: 02/25/2011 Number of Days to Update: 77 Source: EPA Telephone: 202-564-4203 Last EDR Contact: 10/24/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Annually ROD: Records Of Decision Record of Decision. ROD documents mandate a permanent remedy at an NPL (Superfund) site containing technical and health information to aid in the cleanup. Date of Government Version: 08/13/2018 Date Data Arrived at EDR: 10/04/2018 Date Made Active in Reports: 11/16/2018 Number of Days to Update: 43 Source: EPA Telephone: 703-416-0223 Last EDR Contact: 11/27/2018 Next Scheduled EDR Contact: 03/18/2019 Data Release Frequency: Annually RMP: Risk Management Plans When Congress passed the Clean Air Act Amendments of 1990, it required EPA to publish regulations and guidance for chemical accident prevention at facilities using extremely hazardous substances. The Risk Management Program Rule (RMP Rule) was written to implement Section 112(r) of these amendments. The rule, which built upon existing industry codes and standards, requires companies of all sizes that use certain flammable and toxic substances to develop a Risk Management Program, which includes a(n): Hazard assessment that details the potential effects of an accidental release, an accident history of the last five years, and an evaluation of worst -case and alternative accidental releases; Prevention program that includes safety precautions and maintenance, monitoring, and employee training measures; and Emergency response program that spells out emergency health care, employee training measures and procedures for informing the public and response agencies (e.g the fire department) should an accident occur. Date of Government Version: 08/01/2018 Date Data Arrived at EDR: 08/22/2018 Date Made Active in Reports: 10/05/2018 Number of Days to Update: 44 Source: Environmental Protection Agency Telephone: 202-564-8600 Last EDR Contact: 10/23/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies RAATS: RCRA Administrative Action Tracking System RCRA Administration Action Tracking System. RAATS contains records based on enforcement actions issued under RCRA pertaining to major violators and includes administrative and civil actions brought by the EPA. For administration actions after September 30, 1995, data entry in the RAATS database was discontinued. EPA will retain a copy of the database for historical records. It was necessary to terminate RAATS because a decrease in agency resources made it impossible to continue to update the information contained in the database. Date of Government Version: 04/17/1995 Date Data Arrived at EDR: 07/03/1995 Date Made Active in Reports: 08/07/1995 Number of Days to Update: 35 Source: EPA Telephone: 202-564-4104 Last EDR Contact: 06/02/2008 Next Scheduled EDR Contact: 09/01/2008 Data Release Frequency: No Update Planned TC5510803.2s Page GR-15 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING PRP: Potentially Responsible Parties A listing of verified Potentially Responsible Date of Government Version: 08/13/2018 Date Data Arrived at EDR: 10/04/2018 Date Made Active in Reports: 11/09/2018 Number of Days to Update: 36 Parties Source: EPA Telephone: 202-564-6023 Last EDR Contact: 10/04/2018 Next Scheduled EDR Contact: 02/18/2019 Data Release Frequency: Quarterly PADS: PCB Activity Database System PCB Activity Database. PADS Identifies generators, transporters, commercial storers and/or brokers and disposers of PCB's who are required to notify the EPA of such activities. Date of Government Version: 09/14/2018 Date Data Arrived at EDR: 10/11/2018 Date Made Active in Reports: 12/07/2018 Number of Days to Update: 57 Source: EPA Telephone: 202-566-0500 Last EDR Contact: 10/11/2018 Next Scheduled EDR Contact: 01/21/2019 Data Release Frequency: Annually ICIS: Integrated Compliance Information System The Integrated Compliance Information System (ICIS) supports the information needs of the national enforcement and compliance program as well as the unique needs of the National Pollutant Discharge Elimination System (NPDES) program. Date of Government Version: 11/18/2016 Date Data Arrived at EDR: 11/23/2016 Date Made Active in Reports: 02/10/2017 Number of Days to Update: 79 Source: Environmental Protection Agency Telephone: 202-564-2501 Last EDR Contact: 10/09/2018 Next Scheduled EDR Contact: 01/21/2019 Data Release Frequency: Quarterly FTTS: FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fungicide, & Rodenticide Act)/TSCA (Toxic Substances Control Act) FTTS tracks administrative cases and pesticide enforcement actions and compliance activities related to FIFRA, TSCA and EPCRA (Emergency Planning and Community Right -to -Know Act). To maintain currency, EDR contacts the Agency on a quarterly basis. Date of Government Version: 04/09/2009 Date Data Arrived at EDR: 04/16/2009 Date Made Active in Reports: 05/11/2009 Number of Days to Update: 25 Source: EPA/Office of Prevention, Pesticides and Toxic Substances Telephone. 202-566-1667 Last EDR Contact: 08/18/2017 Next Scheduled EDR Contact: 12/04/2017 Data Release Frequency: Quarterly FTTS INSP: FIFRA/ TSCA Tracking System - FIFRA (Federal Insecticide, Fungicide, & Rodenticide Act)/TSCA (Toxic Substances Control Act) A listing of FIFRA/TSCA Tracking System (FTTS) inspections and enforcements. Date of Government Version: 04/09/2009 Date Data Arrived at EDR: 04/16/2009 Date Made Active in Reports: 05/11/2009 Number of Days to Update: 25 Source: EPA Telephone: 202-566-1667 Last EDR Contact: 08/18/2017 Next Scheduled EDR Contact: 12/04/2017 Data Release Frequency: Quarterly MLTS: Material Licensing Tracking System MLTS is maintained by the Nuclear Regulatory Commission and contains a list of approximately 8,100 sites which possess or use radioactive materials and which are subject to NRC licensing requirements. To maintain currency, EDR contacts the Agency on a quarterly basis. Date of Government Version: 08/30/2016 Date Data Arrived at EDR: 09/08/2016 Date Made Active in Reports: 10/21/2016 Number of Days to Update: 43 Source: Nuclear Regulatory Commission Telephone: 301-415-7169 Last EDR Contact: 10/11/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Quarterly TC5510803.2s Page GR-16 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING COAL ASH DOE: Steam -Electric Plant Operation Data A listing of power plants that store ash in surface ponds. Date of Government Version: 12/31/2005 Date Data Arrived at EDR: 08/07/2009 Date Made Active in Reports: 10/22/2009 Number of Days to Update: 76 Source: Department of Energy Telephone: 202-586-8719 Last EDR Contact: 12/05/2018 Next Scheduled EDR Contact: 03/18/2019 Data Release Frequency: Varies COAL ASH EPA: Coal Combustion Residues Surface Impoundments List A listing of coal combustion residues surface impoundments with high hazard potential ratings. Date of Government Version: 07/01/2014 Date Data Arrived at EDR: 09/10/2014 Date Made Active in Reports: 10/20/2014 Number of Days to Update: 40 Source: Environmental Protection Agency Telephone: N/A Last EDR Contact: 12/03/2018 Next Scheduled EDR Contact: 03/18/2019 Data Release Frequency: Varies PCB TRANSFORMER: PCB Transformer Registration Database The database of PCB transformer registrations that includes all PCB registration submittals. Date of Government Version: 05/24/2017 Date Data Arrived at EDR: 11/30/2017 Date Made Active in Reports: 12/15/2017 Number of Days to Update: 15 Source: Environmental Protection Agency Telephone: 202-566-0517 Last EDR Contact: 10/26/2018 Next Scheduled EDR Contact: 02/04/2019 Data Release Frequency: Varies RADINFO: Radiation Information Database The Radiation Information Database (RADINFO) contains information about facilities that are regulated by U.S. Environmental Protection Agency (EPA) regulations for radiation and radioactivity. Date of Government Version: 10/02/2018 Date Data Arrived at EDR: 10/03/2018 Date Made Active in Reports: 11/09/2018 Number of Days to Update: 37 Source: Environmental Protection Agency Telephone: 202-343-9775 Last EDR Contact: 10/03/2018 Next Scheduled EDR Contact: 01/14/2019 Data Release Frequency: Quarterly HIST FTTS: FIFRA/TSCA Tracking System Administrative Case Listing A complete administrative case listing from the FIFRA/TSCA Tracking System (FTTS) for all ten EPA regions. The information was obtained from the National Compliance Database (NCDB). NCDB supports the implementation of FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act) and TSCA (Toxic Substances Control Act). Some EPA regions are now closing out records. Because of that, and the fact that some EPA regions are not providing EPA Headquarters with updated records, it was decided to create a HIST FTTS database. It included records that may not be included in the newer FTTS database updates. This database is no longer updated. Date of Government Version: 10/19/2006 Date Data Arrived at EDR: 03/01/2007 Date Made Active in Reports: 04/10/2007 Number of Days to Update: 40 Source: Environmental Protection Agency Telephone: 202-564-2501 Last EDR Contact: 12/17/2007 Next Scheduled EDR Contact: 03/17/2008 Data Release Frequency: No Update Planned HIST FTTS INSP: FIFRA/TSCA Tracking System Inspection & Enforcement Case Listing A complete inspection and enforcement case listing from the FIFRA/TSCA Tracking System (FTTS) for all ten EPA regions. The information was obtained from the National Compliance Database (NCDB). NCDB supports the implementation of FIFRA (Federal Insecticide, Fungicide, and Rodenticide Act) and TSCA (Toxic Substances Control Act). Some EPA regions are now closing out records. Because of that, and the fact that some EPA regions are not providing EPA Headquarters with updated records, it was decided to create a HIST FTTS database. It included records that may not be included in the newer FTTS database updates. This database is no longer updated. TC5510803 2s Page GR-17 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: 10/19/2006 Date Data Arrived at EDR: 03/01/2007 Date Made Active in Reports: 04/10/2007 Number of Days to Update: 40 DOT OPS: Incident and Accident Data Department of Transporation, Office of Pipeline Date of Government Version: 07/31/2012 Date Data Arrived at EDR: 08/07/2012 Date Made Active in Reports: 09/18/2012 Number of Days to Update: 42 Source: Environmental Protection Agency Telephone: 202-564-2501 Last EDR Contact: 12/17/2008 Next Scheduled EDR Contact: 03/17/2008 Data Release Frequency: No Update Planned Safety Incident and Accident data. Source: Department of Transporation, Office of Pipeline Safety Telephone: 202-366-4595 Last EDR Contact: 10/30/2018 Next Scheduled EDR Contact: 02/11/2019 Data Release Frequency: Varies CONSENT: Superfund (CERCLA) Consent Decrees Major legal settlements that establish responsibility and standards for cleanup at NPL (Superfund) sites. Released periodically by United States District Courts after settlement by parties to litigation matters. Date of Government Version: 09/30/2018 Date Data Arrived at EDR: 10/12/2018 Date Made Active in Reports: 12/07/2018 Number of Days to Update: 56 Source: Department of Justice, Consent Decree Library Telephone: Varies Last EDR Contact: 10/01/2018 Next Scheduled EDR Contact: 12/31/2018 Data Release Frequency: Varies BRS: Biennial Reporting System The Biennial Reporting System is a national system administered by the EPA that collects data on the generation and management of hazardous waste. BRS captures detailed data from two groups: Large Quantity Generators (LQG) and Treatment, Storage, and Disposal Facilities. Date of Government Version: 12/31/2015 Date Data Arrived at EDR: 02/22/2017 Date Made Active in Reports: 09/28/2017 Number of Days to Update: 218 Source: EPA/NTIS Telephone: 800-424-9346 Last EDR Contact: 11/21/2018 Next Scheduled EDR Contact: 03/04/2019 Data Release Frequency: Biennially INDIAN RESERV: Indian Reservations This map layer portrays Indian administered lands of the United States that have any area equal to or greater than 640 acres. Date of Government Version: 12/31/2014 Date Data Arrived at EDR: 07/14/2015 Date Made Active in Reports: 01/10/2017 Number of Days to Update: 546 Source: USGS Telephone: 202-208-3710 Last EDR Contact: 10/09/2018 Next Scheduled EDR Contact: 01/21/2019 Data Release Frequency: Semi -Annually FUSRAP: Formerly Utilized Sites Remedial Action Program DOE established the Formerly Utilized Sites Remedial Action Program (FUSRAP) in 1974 to remediate sites where radioactive contamination remained from Manhattan Project and early U.S. Atomic Energy Commission (AEC) operations. Date of Government Version: 08/08/2017 Date Data Arrived at EDR: 09/11/2018 Date Made Active in Reports: 09/14/2018 Number of Days to Update: 3 Source: Department of Energy Telephone: 202-586-3559 Last EDR Contact: 11/01/2018 Next Scheduled EDR Contact: 02/18/2019 Data Release Frequency: Varies UMTRA: Uranium Mill Tailings Sites Uranium ore was mined by private companies for federal government use in national defense programs. When the mills shut down, large piles of the sand -like material (mill tailings) remain after uranium has been extracted from the ore. Levels of human exposure to radioactive materials from the piles are low; however, in some cases tailings were used as construction materials before the potential health hazards of the tailings were recognized. TC5510803.2s Page GR-18 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: 06/23/2017 Date Data Arrived at EDR: 10/11/2017 Date Made Active in Reports: 11/03/2017 Number of Days to Update: 23 LEAD SMELTER 1: Lead Smelter Sites A listing of former lead smelter site locations. Date of Government Version: 08/13/2018 Date Data Arrived at EDR: 10/04/2018 Date Made Active in Reports: 11/16/2018 Number of Days to Update: 43 Source: Department of Energy Telephone: 505-845-0011 Last EDR Contact: 11/16/2018 Next Scheduled EDR Contact: 03/04/2019 Data Release Frequency: Varies Source: Environmental Protection Agency Telephone: 703-603-8787 Last EDR Contact: 11/27/2018 Next Scheduled EDR Contact: 01/14/2019 Data Release Frequency: Varies LEAD SMELTER 2: Lead Smelter Sites A list of several hundred sites in the U.S. where secondary lead smelting was done from 1931and 1964. These sites may pose a threat to public health through ingestion or inhalation of contaminated soil or dust Date of Government Version: 04/05/2001 Date Data Arrived at EDR: 10/27/2010 Date Made Active in Reports: 12/02/2010 Number of Days to Update: 36 Source: American Journal of Public Health Telephone: 703-305-6451 Last EDR Contact: 12/02/2009 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned US AIRS (AFS): Aerometric Information Retrieval System Facility Subsystem (AFS) The database is a sub -system of Aerometric Information Retrieval System (AIRS). AFS contains compliance data on air pollution point sources regulated by the U.S. EPA and/or state and local air regulatory agencies. This information comes from source reports by various stationary sources of air pollution, such as electric power plants, steel mills, factories, and universities, and provides information about the air pollutants they produce. Action, air program, air program pollutant, and general level plant data. It is used to track emissions and compliance data from industrial plants. Date of Government Version: 10/12/2016 Date Data Arrived at EDR: 10/26/2016 Date Made Active in Reports: 02/03/2017 Number of Days to Update: 100 US AIRS MINOR: Air Facility System Data A listing of minor source facilities. Date of Government Version: 10/12/2016 Date Data Arrived at EDR: 10/26/2016 Date Made Active in Reports: 02/03/2017 Number of Days to Update: 100 Source: EPA Telephone: 202-564-2496 Last EDR Contact: 09/26/2017 Next Scheduled EDR Contact: 01/08/2018 Data Release Frequency: Annually Source: EPA Telephone: 202-564-2496 Last EDR Contact: 09/26/2017 Next Scheduled EDR Contact: 01/08/2018 Data Release Frequency: Annually US MINES: Mines Master Index File Contains all mine identification numbers issued for mines active or opened since 1971 violation information. Date of Government Version: 08/01/2018 Date Data Arrived at EDR: 08/29/2018 Date Made Active in Reports: 10/05/2018 Number of Days to Update: 37 The data also includes Source: Department of Labor, Mine Safety and Health Administration Telephone: 303-231-5959 Last EDR Contact: 11/30/2018 Next Scheduled EDR Contact: 03/11/2019 Data Release Frequency: Semi -Annually US MINES 2: Ferrous and Nonferrous Metal Mines Database Listing This map layer includes ferrous (ferrous metal mines are facilities that extract ferrous metals, such as iron ore or molybdenum) and nonferrous (Nonferrous metal mines are facilities that extract nonferrous metals, such as gold, silver, copper, zinc, and lead) metal mines in the United States. TC5510803.2s Page GR-19 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: 12/05/2005 Date Data Arrived at EDR: 02/29/2008 Date Made Active in Reports: 04/18/2008 Number of Days to Update: 49 Source: USGS Telephone: 703-648-7709 Last EDR Contact: 11/30/2018 Next Scheduled EDR Contact: 03/11/2019 Data Release Frequency: Varies US MINES 3: Active Mines & Mineral Plants Database Listing Active Mines and Mineral Processing Plant operations for commodities monitored by the Minerals Information Team of the USGS. Date of Government Version: 04/14/2011 Date Data Arrived at EDR: 06/08/2011 Date Made Active in Reports: 09/13/2011 Number of Days to Update: 97 Source: USGS Telephone: 703-648-7709 Last EDR Contact: 11/30/2018 Next Scheduled EDR Contact: 03/11/2019 Data Release Frequency: Varies ABANDONED MINES: Abandoned Mines An inventory of land and water impacted by past mining (primarily coal mining) is maintained by OSMRE to provide information needed to implement the Surface Mining Control and Reclamation Act of 1977 (SMCRA). The inventory contains information on the location, type, and extent of AML impacts, as well as, information on the cost associated with the reclamation of those problems. The inventory is based upon field surveys by State, Tribal, and OSMRE program officials. It is dynamic to the extent that it is modified as new problems are identified and existing problems are reclaimed. Date of Government Version: 09/10/2018 Date Data Arrived at EDR: 09/11/2018 Date Made Active in Reports: 09/14/2018 Number of Days to Update: 3 Source: Department of Interior Telephone: 202-208-2609 Last EDR Contact: 12/06/2018 Next Scheduled EDR Contact: 03/25/2019 Data Release Frequency: Quarterly FINDS: Facility Index System/Facility Registry System Facility Index System. FINDS contains both facility information and 'pointers' to other sources that contain more detail. EDR includes the following FINDS databases in this report: PCS (Permit Compliance System), AIRS (Aerometric Information Retrieval System), DOCKET (Enforcement Docket used to manage and track information on civil judicial enforcement cases for all environmental statutes), FURS (Federal Underground Injection Control), C -DOCKET (Criminal Docket System used to track criminal enforcement actions for all environmental statutes), FFIS (Federal Facilities Information System), STATE (State Environmental Laws and Statutes), and PADS (PCB Activity Data System). Date of Government Version: 08/07/2018 Date Data Arrived at EDR: 09/05/2018 Date Made Active in Reports: 10/05/2018 Number of Days to Update: 30 UXO: Unexploded Ordnance Sites A listing of unexploded ordnance site locations Date of Government Version: 09/30/2017 Date Data Arrived at EDR: 06/19/2018 Date Made Active in Reports: 09/14/2018 Number of Days to Update: 87 Source: EPA Telephone: (303) 312-6312 Last EDR Contact: 12/05/2018 Next Scheduled EDR Contact: 03/18/2019 Data Release Frequency: Quarterly Source: Department of Defense Telephone: 703-704-1564 Last EDR Contact: 10/15/2018 Next Scheduled EDR Contact: 01/28/2019 Data Release Frequency: Varies ECHO: Enforcement & Compliance History Information ECHO provides integrated compliance and enforcement information for about 800,000 regulated facilities nationwide. Date of Government Version: 09/02/2018 Date Data Arrived at EDR: 09/05/2018 Date Made Active in Reports: 09/14/2018 Number of Days to Update: 9 Source: Environmental Protection Agency Telephone: 202-564-2280 Last EDR Contact: 12/31/2018 Next Scheduled EDR Contact: 03/18/2019 Data Release Frequency: Quarterly TC5510803.2s Page GR-20 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING DOCKET HWC: Hazardous Waste Compliance Docket Listing A complete list of the Federal Agency Hazardous Waste Compliance Docket Facilities. Date of Government Version: 05/31/2018 Date Data Arrived at EDR: 07/26/2018 Date Made Active in Reports: 10/05/2018 Number of Days to Update: 71 Source: Environmental Protection Agency Telephone: 202-564-0527 Last EDR Contact: 11/30/2018 Next Scheduled EDR Contact: 03/11/2019 Data Release Frequency: Varies FUELS PROGRAM: EPA Fuels Program Registered Listing This listing includes facilities that are registered under the Part 80 (Code of Federal Regulations) EPA Fuels Programs. All companies now are required to submit new and updated registrations. Date of Government Version: 08/22/2018 Date Data Arrived at EDR: 08/22/2018 Date Made Active in Reports: 10/05/2018 Number of Days to Update: 44 Source: EPA Telephone: 800-385-6164 Last EDR Contact: 11/19/2018 Next Scheduled EDR Contact: 03/04/2019 Data Release Frequency: Quarterly AIRS: Permitted Facility & Emissions Listing A listing of Air Pollution Control Division permits and emissions data. Date of Government Version: 08/30/2018 Date Data Arrived at EDR: 09/04/2018 Date Made Active in Reports: 09/19/2018 Number of Days to Update: 15 Source: Department of Public Health & Environment Telephone: 303-692-3213 Last EDR Contact: 11/29/2018 Next Scheduled EDR Contact: 03/18/2019 Data Release Frequency: Varies ASBESTOS: Asbestos Abatement & Demolition Projects Asbestos abatement and demolition projects by the contractor. Date of Government Version: 09/05/2018 Date Data Arrived at EDR: 09/11/2018 Date Made Active in Reports: 09/19/2018 Number of Days to Update: 8 Source: Department of Public Health & Environment Telephone: 303-692-3100 Last EDR Contact: 11/01/2018 Next Scheduled EDR Contact: 02/18/2019 Data Release Frequency: Semi -Annually METHANE SITE: Methane Site Investigations - Jefferson County 1980 The objectives of the study are to define as closely as possible the boundaries of methane producing solid waste landfills. Date of Government Version: 12/31/1980 Date Data Arrived at EDR: 02/13/1995 Date Made Active in Reports: 04/04/1995 Number of Days to Update: 50 Source: Jefferson County Health Department Telephone: 303-239-7175 Last EDR Contact: 01/27/1995 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned METHANE INVESTIGATION: Methane Gas & Swamp Findings The primary objective of this study was to assess methane gas related hazards at selected landfill sites in Colorado. These sites were selected by the Colorado Department of Health following evaluation of responses received from County and Municipal agencies about completed and existing landfills within their jurisdiction. Date of Government Version: 03/15/1979 Date Data Arrived at EDR: 02/13/1995 Date Made Active in Reports: 04/04/1995 Number of Days to Update: 50 DRYCLEANERS: Drycleaner Facilities A listing of drycleaning facilities. Source: Department of Health Telephone: 303-640-3335 Last EDR Contact: 01/27/1995 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned TC5510803.2s Page GR-21 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: 08/30/2018 Date Data Arrived at EDR: 09/04/2018 Date Made Active in Reports: 09/20/2018 Number of Days to Update: 16 Source: Department of Public Health & Environment Telephone: 303-692-3213 Last EDR Contact: 11/29/2018 Next Scheduled EDR Contact: 03/18/2019 Data Release Frequency: Varies Financial Assurance 1: Financial Assurance Information Listing A listing of financial assurance information for hazardous waste facilities. Financial assurance is intended to ensure that resources are available to pay for the cost of closure, post -closure care, and corrective measures if the owner or operator of a regulated facility is unable or unwilling to pay. Date of Government Version: 09/30/2018 Date Data Arrived at EDR: 10/23/2018 Date Made Active in Reports: 11/30/2018 Number of Days to Update: 38 Source: Department of Public Health & Environment Telephone: 303-692-3350 Last EDR Contact: 10/15/2018 Next Scheduled EDR Contact: 01/14/2019 Data Release Frequency: Varies Financial Assurance 2: Financial Assurance Information Listing A listing of financial assurance information for solid waste facilities. Financial assurance is intended to ensure that resources are available to pay for the cost of closure, post -closure care, and corrective measures if the owner or operator of a regulated facility is unable or unwilling to pay. Date of Government Version: 09/30/2018 Date Data Arrived at EDR: 10/23/2018 Date Made Active in Reports: 11/30/2018 Number of Days to Update: 38 LEAD: Lead Abatement Permit Listing Lead inspection Date of Government Version: 09/05/2018 Date Data Arrived at EDR: 09/11/2018 Date Made Active in Reports: 09/20/2018 Number of Days to Update: 9 MINES: Permitted Mines Listing This dataset represents permitted mines in Date of Government Version: 10/15/2018 Date Data Arrived at EDR: 10/16/2018 Date Made Active in Reports: 10/24/2018 Number of Days to Update: 8 Source: Department of Public Health & Environment Telephone: 303-392-3350 Last EDR Contact: 10/15/2018 Next Scheduled EDR Contact: 01/14/2019 Data Release Frequency: Quarterly Source: Department of Publich Health & Environment Telephone: 303-692-2000 Last EDR Contact: 11/14/2018 Next Scheduled EDR Contact: 02/18/2019 Data Release Frequency: Varies the State of Colorado Source: Division of Reclamation Mining and safety Telephone: 303-866-3567 Last EDR Contact: 10/16/2018 Next Scheduled EDR Contact: 01/28/2019 Data Release Frequency: Semi -Annually NPDES: Permitted Facility Listing A listing of permitted facilities from the Water Quality Control Division Date of Government Version: 07/24/2018 Date Data Arrived at EDR: 07/26/2018 Date Made Active in Reports: 09/05/2018 Number of Days to Update: 41 UIC: Underground Injection Control A list of underground injection wells and their Date of Government Version: 08/11/2018 Date Data Arrived at EDR: 08/16/2018 Date Made Active in Reports: 11/01/2018 Number of Days to Update: 77 Source: Department of Public Health & Environment Telephone: 303-692-3611 Last EDR Contact: 10/25/2018 Next Scheduled EDR Contact: 02/11/2019 Data Release Frequency: Varies locations. Source: Oil & Gas Conservation Commission Telephone: 303-894-2100 Last EDR Contact: 11/07/2018 Next Scheduled EDR Contact: 02/25/2019 Data Release Frequency: Varies TC5510803.2s Page GR-22 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING UMTRA: Uranium Mill Tailings Sites There were nine uranium mill tailings sites in Colorado designated for cleanup under the federal Uranium Mill Tailings Radiation Control Act. These nine sites, know commonly as UMTRA sites, were remediated jointly by the State of Colorado and the U.S. Department of Energy during the late 1980's and early 1990's. Mill tailings were removed from 8 of the mill sites and relocated in engineered disposal cells. A disposal cell is designed to encapsulate the material, reduce radon emanation, and prevent the movement of water through the material. At one site, Maybell, CO, the tailings were stabilized in -place at the mill site. After remediation of the tailings was completed, the State and DOE began to investigate the residual impacts to groundwater at the mill sites. The groundwater phase of the UMTRA program is on -going. Date of Government Version: 11/23/2004 Date Data Arrived at EDR: 03/21/2007 Date Made Active in Reports: 05/02/2007 Number of Days to Update: 42 EDR HIGH RISK HISTORICAL RECORDS EDR Exclusive Records Source: Department of Public Health & Environment Telephone: 970-248-7164 Last EDR Contact: 11/21/2018 Next Scheduled EDR Contact: 03/04/2019 Data Release Frequency: Varies EDR MGP: EDR Proprietary Manufactured Gas Plants The EDR Proprietary Manufactured Gas Plant Database includes records of coal gas plants (manufactured gas plants) compiled by EDR's researchers. Manufactured gas sites were used in the United States from the 1800's to 1950's to produce a gas that could be distributed and used as fuel. These plants used whale oil, rosin, coal, or a mixture of coal, oil, and water that also produced a significant amount of waste. Many of the byproducts of the gas production, such as coal tar (oily waste containing volatile and non-volatile chemicals), sludges, oils and other compounds are potentially hazardous to human health and the environment. The byproduct from this process was frequently disposed of directly at the plant site and can remain or spread slowly, serving as a continuous source of soil and groundwater contamination. Date of Government Version: N/A Date Data Arrived at EDR: N/A Date Made Active in Reports: N/A Number of Days to Update: N/A Source: EDR, Inc. Telephone: N/A Last EDR Contact: N/A Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned EDR Hist Auto: EDR Exclusive Historical Auto Stations EDR has searched selected national collections of business directories and has collected listings of potential gas station/filling station/service station sites that were available to EDR researchers. EDR's review was limited to those categories of sources that might, in EDR's opinion, include gas station/filling station/service station establishments. The categories reviewed included, but were not limited to gas, gas station, gasoline station, filling station, auto, automobile repair, auto service station, service station, etc. This database falls within a category of information EDR classifies as "High Risk Historical Records", or HRHR. EDR's HRHR effort presents unique and sometimes proprietary data about past sites and operations that typically create environmental concerns but may not show up in current government records searches. Date of Government Version: N/A Source: EDR, Inc. Date Data Arrived at EDR: N/A Telephone: N/A Date Made Active in Reports: N/A Last EDR Contact: N/A Number of Days to Update: N/A Next Scheduled EDR Contact: N/A Data Release Frequency: Varies EDR Hist Cleaner: EDR Exclusive Historical Cleaners EDR has searched selected national collections of business directories and has collected listings of potential dry cleaner sites that were available to EDR researchers. EDR's review was limited to those categories of sources that might, in EDR's opinion, include dry cleaning establishments. The categories reviewed included, but were not limited to dry cleaners, cleaners, laundry, laundromat, cleaning/laundry, wash & dry etc. This database falls within a category of information EDR classifies as "High Risk Historical Records", or HRHR. EDR's HRHR effort presents unique and sometimes proprietary data about past sites and operations that typically create environmental concerns, but may not show up in current government records searches. TC5510803.2s Page GR-23 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING Date of Government Version: N/A Date Data Arrived at EDR: N/A Date Made Active in Reports: N/A Number of Days to Update: N/A EDR RECOVERED GOVERNMENT ARCHIVES Exclusive Recovered Govt. Archives Source: EDR, Inc. Telephone: N/A Last EDR Contact: N/A Next Scheduled EDR Contact: N/A Data Release Frequency: Varies RGA LF: Recovered Government Archive Solid Waste Facilities List The EDR Recovered Government Archive Landfill database provides a list of landfills derived from historical databases and includes many records that no longer appear in current government lists. Compiled from Records formerly available from the Department of Public Health & Environment in Colorado. Date of Government Version: N/A Date Data Arrived at EDR: 07/01/2013 Date Made Active in Reports: 01/15/2014 Number of Days to Update: 198 Source: Department of Public Health & Environment Telephone: N/A Last EDR Contact: 06/01/2012 Next Scheduled EDR Contact: N/A Data Release Frequency: Varies RGA LUST: Recovered Government Archive Leaking Underground Storage Tank The EDR Recovered Government Archive Leaking Underground Storage Tank database provides a list of LUST incidents derived from historical databases and includes many records that no longer appear in current government lists. Compiled from Records formerly available from the Department of Labor and Employment, Oil Inspection Section in Colorado. Date of Government Version: N/A Date Data Arrived at EDR: 07/01/2013 Date Made Active in Reports: 01/02/2014 Number of Days to Update: 185 COUNTY RECORDS ADAMS COUNTY: Source: Department of Labor and Employment, Oil Inspection Section Telephone: N/A Last EDR Contact: 06/01/2012 Next Scheduled EDR Contact: N/A Data Release Frequency: Varies LF ADAMS: Summary Report on Methane Gas Hazards and Surveys Conducted on Domestic and Demolition Landfills in Adams County As of May 8, 1978, all known landfills or dumping sites in the Adams County area have been surveyed. Date of Government Version: 05/08/1978 Date Data Arrived at EDR: 02/16/1995 Date Made Active in Reports: 04/04/1995 Number of Days to Update: 47 ARAPAHOE COUNTY: Source: Tri-County Health Department Telephone: 303-761-1340 Last EDR Contact: 01/27/1995 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned LF ARAPAHOE: A Survey of Landfills in Arapahoe County A survey of Arapahoe County was conducted from August through November, 1977, of all open and closed landfills and dumpsites in the county. Each of the sites found was classified as domestic or demolition. Date of Government Version: 12/31/1978 Date Data Arrived at EDR: 02/16/1995 Date Made Active in Reports: 04/04/1995 Number of Days to Update: 47 BOULDER COUNTY: Source: Tri-County Health Department Telephone: 303-761-1340 Last EDR Contact: 01/27/1995 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned TC5510803.2s Page GR-24 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING LF BOULDER: Old Landfill Sites Landfill sites in Boulder county. Date of Government Version: 05/01/1986 Date Data Arrived at EDR: 11/14/1995 Date Made Active in Reports: 12/07/1995 Number of Days to Update: 23 DENVER COUNTY: LF DENVER: Landfills in Denver County Landfill sites in the city and county of Denver Date of Government Version: 06/23/2017 Date Data Arrived at EDR: 06/23/2017 Date Made Active in Reports: 09/06/2017 Number of Days to Update: 75 Source: Boulder County Health Department Telephone: 303-441-1182 Last EDR Contact: 01/30/1998 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned Source: City and County of Denver Telephone: 720-913-4839 Last EDR Contact: 09/17/2018 Next Scheduled EDR Contact: 12/31/2018 Data Release Frequency: No Update Planned LF DENVER CO METHANE: Investigation of Methane Gas Hazards The purpose of this study was to assess the actual and potential generation, migration, explosive and related problem associated with specified old landfills, and to identify existing and potential problems, suggested strategies to prevent, abate, and control such problems and recommend investigative and monitoring functions as may be deemed necessary. Eight sites determined to be priorities due to population density and potential hazards to population and property were selected by the Colorado Department of Health. Date of Government Version: 01/01/1981 Date Data Arrived at EDR: 01/29/2013 Date Made Active in Reports: 03/08/2013 Number of Days to Update: 38 DOUGLAS COUNTY: LF DOUGLAS: Douglas County Landfill Key Landfill sites in Douglas county. Date of Government Version: 06/12/1991 Date Data Arrived at EDR: 02/16/1995 Date Made Active in Reports: 04/04/1995 Number of Days to Update: 47 PUEBLO COUNTY: Source: City and County of Denver Department of Environmental Health Telephone: 720-865-5522 Last EDR Contact: 01/15/2013 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned Source: Tri-County Health Department Telephone: 303-761-1340 Last EDR Contact: 01/27/1995 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned LF PUEBLO: Designated Disposal & Landfill Sites Only inert materials. Asphalt, cement, dirt & rock unless otherwise specified. These sites are no longer active. Date of Government Version: 04/30/1990 Date Data Arrived at EDR: 11/16/1995 Date Made Active in Reports: 12/07/1995 Number of Days to Update: 21 TRI COUNTY: Source: Pueblo City -County Health Department Telephone: 719-583-4300 Last EDR Contact: 11/13/1995 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned TC5510803.2s Page GR-25 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING LF TRI: Tri-County Area Solid Waste Facilities List (Adams, Arapahoe and Douglas Counties) Closed Domestic Landfills in Adams County, Closed Domestic Landfills in Arapahoe County, Closed Demolition Landfills in Arapahoe County, Closed Domestic Landfills in Douglas County. Date of Government Version: 10/15/1983 Date Data Arrived at EDR: 02/16/1995 Date Made Active in Reports: 04/04/1995 Number of Days to Update: 47 WELD COUNTY: LF WELD: Solid Waste Facilities in Weld County Solid Waste Facilities in Weld County. Date of Government Version: 01/16/2018 Date Data Arrived at EDR: 02/09/2018 Date Made Active in Reports: 02/23/2018 Number of Days to Update: 14 OTHER DATABASE(S) Source: Tri-County Health Department Telephone: 303-761-1340 Last EDR Contact: 01/27/1995 Next Scheduled EDR Contact: N/A Data Release Frequency: No Update Planned Source: Weld County Department of Public Health Telephone: 970-304-6415 Last EDR Contact: 11/09/2018 Next Scheduled EDR Contact: 02/18/2019 Data Release Frequency: No Update Planned Depending on the geographic area covered by this report, the data provided in these specialty databases may or may not be complete. For example, the existence of wetlands information data in a specific report does not mean that all wetlands in the area covered by the report are included. Moreover, the absence of any reported wetlands information does not necessarily mean that wetlands do not exist in the area covered by the report. CT MANIFEST: Hazardous Waste Manifest Data Facility and manifest data. Manifest is a document that lists and tracks hazardous waste from the generator through transporters to a tsd facility. Date of Government Version: 11/12/2018 Date Data Arrived at EDR: 11/14/2018 Date Made Active in Reports: 12/04/2018 Number of Days to Update: 20 NY MANIFEST: Facility and Manifest Data Manifest is a document that lists and tracks facility. Date of Government Version: 07/01/2018 Date Data Arrived at EDR: 08/01/2018 Date Made Active in Reports: 08/31/2018 Number of Days to Update: 30 PA MANIFEST: Manifest Information Hazardous waste manifest information. Date of Government Version: 12/31/2017 Date Data Arrived at EDR: 10/23/2018 Date Made Active in Reports: 11/27/2018 Number of Days to Update: 35 Source: Department of Energy & Environmental Protection Telephone: 860-424-3375 Last EDR Contact: 11/14/2018 Next Scheduled EDR Contact: 02/25/2019 Data Release Frequency: No Update Planned hazardous waste from the generator through transporters to a TSD Source: Department of Environmental Conservation Telephone: 518-402-8651 Last EDR Contact: 10/31/2018 Next Scheduled EDR Contact: 02/11/2019 Data Release Frequency: Quarterly Source: Department of Environmental Protection Telephone: 717-783-8990 Last EDR Contact: 10/15/2018 Next Scheduled EDR Contact: 01/28/2019 Data Release Frequency: Annually TC5510803.2s Page GR-26 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING WI MANIFEST: Manifest Information Hazardous waste manifest information. Date of Government Version: 12/31/2017 Date Data Arrived at EDR: 06/15/2018 Date Made Active in Reports: 07/09/2018 Number of Days to Update: 24 Source: Department of Natural Resources Telephone: N/A Last EDR Contact: 12/07/2018 Next Scheduled EDR Contact: 03/25/2019 Data Release Frequency: Annually Oil/Gas Pipelines Source: PennWell Corporation Petroleum Bundle (Crude Oil, Refined Products, Petrochemicals, Gas Liquids (LPG/NGL), and Specialty Gases (Miscellaneous)) N = Natural Gas Bundle (Natural Gas, Gas Liquids (LPG/NGL), and Specialty Gases (Miscellaneous)). This map includes information copyrighted by PennWell Corporation. This information is provided on a best effort basis and PennWell Corporation does not guarantee its accuracy nor warrant its fitness for any particular purpose. Such information has been reprinted with the permission of PennWell. Electric Power Transmission Line Data Source: PennWell Corporation This map includes information copyrighted by PennWell Corporation. This information is provided on a best effort basis and PennWell Corporation does not guarantee its accuracy nor warrant its fitness for any particular purpose. Such information has been reprinted with the permission of PennWell. Sensitive Receptors: There are individuals deemed sensitive receptors due to their fragile immune systems and special sensitivity to environmental discharges. These sensitive receptors typically include the elderly, the sick, and children. While the location of all sensitive receptors cannot be determined, EDR indicates those buildings and facilities - schools, daycares, hospitals, medical centers, and nursing homes - where individuals who are sensitive receptors are likely to be located. AHA Hospitals: Source: American Hospital Association, Inc. Telephone: 312-280-5991 The database includes a listing of hospitals based on the American Hospital Association's annual survey of hospitals. Medical Centers: Provider of Services Listing Source: Centers for Medicare & Medicaid Services Telephone: 410-786-3000 A listing of hospitals with Medicare provider number, produced by Centers of Medicare & Medicaid Services, a federal agency within the U.S. Department of Health and Human Services. Nursing Homes Source: National Institutes of Health Telephone: 301-594-6248 Information on Medicare and Medicaid certified nursing homes in the United States. Public Schools Source: National Center for Education Statistics Telephone: 202-502-7300 The National Center for Education Statistics' primary database on elementary and secondary public education in the United States. It is a comprehensive, annual, national statistical database of all public elementary and secondary schools and school districts, which contains data that are comparable across all states. Private Schools Source: National Center for Education Statistics Telephone: 202-502-7300 The National Center for Education Statistics' primary database on private school locations in the United States. Daycare Centers: Daycare Listing Source: Department of Human Services Telephone: 303-866-5958 Flood Zone Data: This data was obtained from the Federal Emergency Management Agency (FEMA). It depicts 100 -year and 500 -year flood zones as defined by FEMA. It includes the National Flood Hazard Layer (NFHL) which incorporates Flood Insurance Rate Map (FIRM) data and Q3 data from FEMA in areas not covered by NFHL. Source: FEMA Telephone: 877-336-2627 Date of Government Version: 2003, 2015 TC5510803.2s Page GR-27 GOVERNMENT RECORDS SEARCHED / DATA CURRENCY TRACKING NWI: National Wetlands Inventory. This data, available in select counties across the country, was obtained by EDR in 2002, 2005 and 2010 from the U.S. Fish and Wildlife Service. State Wetlands Data: Riparian Vegetation Data Source: Division of Wildlife Telephone: 970-416-3360 Current USGS 7.5 Minute Topographic Map Source: U.S. Geological Survey STREET AND ADDRESS INFORMATION © 2015 TomTom North America, Inc. All rights reserved. This material is proprietary and the subject of copyright protection and other intellectual property rights owned by or licensed to Tele Atlas North America, Inc. The use of this material is subject to the terms of a license agreement. You will be held liable for any unauthorized copying or disclosure of this material. TC5510803.2s Page GR-28 GEOCHECK ®- PHYSICAL SETTING SOURCE ADDENDUM TARGET PROPERTY ADDRESS CURETON HOOKSIDE 160 -ACRE PARCEL WELD COUNTY RD 100 BRIGGSDALE, CO 80611 TARGET PROPERTY COORDINATES Latitude (North): Longitude (West): Universal Tranverse Mercator: UTM X (Meters): UTM Y (Meters): Elevation: USGS TOPOGRAPHIC MAP 40.716369 - 40° 42' 58.93" 104.130768 - 104° 7' 50.76" Zone 13 573418.6 4507424.0 4951 ft. above sea level Target Property Map: 5954533 KEOTA NW, CO Version Date: 2013 Southeast Map: 5954531 KEOTA, CO Version Date: 2013 EDR's GeoCheck Physical Setting Source Addendum is provided to assist the environmental professional in forming an opinion about the impact of potential contaminant migration. Assessment of the impact of contaminant migration generally has two principle investigative components: 1. Groundwater flow direction, and 2. Groundwater flow velocity. Groundwater flow direction may be impacted by surface topography, hydrology, hydrogeology, characteristics of the soil, and nearby wells. Groundwater flow velocity is generally impacted by the nature of the geologic strata. TC5510803.2s Page A-1 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY GROUNDWATER FLOW DIRECTION INFORMATION Groundwater flow direction for a particular site is best determined by a qualified environmental professional using site -specific well data. If such data is not reasonably ascertainable, it may be necessary to rely on other sources of information, such as surface topographic information, hydrologic information, hydrogeologic data collected on nearby properties, and regional groundwater flow information (from deep aquifers). TOPOGRAPHIC INFORMATION Surface topography may be indicative of the direction of surficial groundwater flow. This information can be used to assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should contamination exist on the target property, what downgradient sites might be impacted. TARGET PROPERTY TOPOGRAPHY General Topographic Gradient: General South SURROUNDING TOPOGRAPHY: ELEVATION PROFILES 0 0 G) w C 0 w to N N Of CD N A A A W Of Wto r N CO r NCO N CO North TP O_ to to N fte N to N South CO 0, i J 0, N A W West Target Property Elevation: 4951 ft. TP 0 1/2 East 1 Miles Source: Topography has been determined from the USGS 7.5' Digital Elevation Model and should be evaluated on a relative (not an absolute) basis. Relative elevation information between sites of close proximity should be field verified. TC5510803.2s Page A-2 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY HYDROLOGIC INFORMATION Surface water can act as a hydrologic barrier to groundwater flow. Such hydrologic information can be used to assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should contamination exist on the target property, what downgradient sites might be impacted. Refer to the Physical Setting Source Map following this summary for hydrologic information (major waterways and bodies of water). FEMA FLOOD ZONE Flood Plain Panel at Target Property Not Reported Additional Panels in search area: Not Reported NATIONAL WETLAND INVENTORY NWI Quad at Target Property NOT AVAILABLE FEMA Source Type FEMA Source Type NWI Electronic Data Coverage YES - refer to the Overview Map and Detail Map HYDROGEOLOGIC INFORMATION Hydrogeologic information obtained by installation of wells on a specific site can often be an indicator of groundwater flow direction in the immediate area. Such hydrogeologic information can be used to assist the environmental professional in forming an opinion about the impact of nearby contaminated properties or, should contamination exist on the target property, what downgradient sites might be impacted. AQUIFLOW® Search Radius: 1.000 Mile. EDR has developed the AQUIFLOW Information System to provide data on the general direction of groundwater flow at specific points. EDR has reviewed reports submitted by environmental professionals to regulatory authorities at select sites and has extracted the date of the report, groundwater flow direction as determined hydrogeologically, and the depth to water table. MAP ID Not Reported LOCATION FROM TP GENERAL DIRECTION GROUNDWATER FLOW TC5510803.2s Page A-3 GEOCHECK® PHYSICAL SETTING SOURCE SUMMARY GROUNDWATER FLOW VELOCITY INFORMATION Groundwater flow velocity information for a particular site is best determined by a qualified environmental professional using site specific geologic and soil strata data. If such data are not reasonably ascertainable, it may be necessary to rely on other sources of information, including geologic age identification, rock stratigraphic unit and soil characteristics data collected on nearby properties and regional soil information. In general, contaminant plumes move more quickly through sandy -gravelly types of soils than silty -clayey types of soils. GEOLOGIC INFORMATION IN GENERAL AREA OF TARGET PROPERTY Geologic information can be used by the environmental professional in forming an opinion about the relative speed at which contaminant migration may be occurring. ROCK STRATIGRAPHIC UNIT GEOLOGIC AGE IDENTIFICATION Era: Cenozoic Category: Continental Deposits System: Tertiary Series: Oligocene Code: Toc (decoded above as Era, System & Series) Geologic Age and Rock Stratigraphic Unit Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology of the Conterminous U.S. at 1:2,500,000 Scale - a digital representation of the 1974 P.B. King and H.M. Beikman Map, USGS Digital Data Series DDS - 11 (1994). TC5510803.2s Page A-4 SSURGO SOIL MAP - 5510803.2s * Target Property SSURGO Soil /V Water I A 11ilc SITE NAME: Cureton Hookside 160 -Acre Parcel ADDRESS: Weld County Rd 100 Briggsdale CO 80611 LAT/LONG: 40.71 6369 / 104.130768 CLIENT: Olsson CONTACT: Vanessa Scott INQUIRY #: 5510803.2s DATE: December 12, 2018 5:44 pm Copyright ea 2018 EDR, Inc. 2015 TomTom Rel. 2015. GEOCHECIe - PHYSICAL SETTING SOURCE SUMMARY DOMINANT SOIL COMPOSITION IN GENERAL AREA OF TARGET PROPERTY The U.S. Department of Agriculture's (USDA) Soil Conservation Service (SCS) leads the National Cooperative Soil Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil survey information for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns in a landscape. The following information is based on Soil Conservation Service SSURGO data. Soil Map ID: 1 Soil Component Name: Soil Surface Texture: Hydrologic Group: Nunn loam Class C - Slow infiltration rates. Soils with layers impeding downward movement of water, or soils with moderately fine or fine textures. Soil Drainage Class: Well drained Hydric Status: Partially hydric Corrosion Potential - Uncoated Steel: High Depth to Bedrock Min: > 0 inches Depth to Watertable Min: > 0 inches Soil Layer Information Boundary Classification Saturated hydraulic conductivity micro m/sec Soil Reaction (pH) Layer Upper Lower Soil Texture Class AASHTO Group Unified Soil 1 0 inches 7 inches loam Silt -Clay Materials (more than 35 pct. passing No. 200), Silty Soils. COARSE -GRAINED SOILS, Sands, Sands with fines, Silty Sand. Max: 42.33 Min: 14.11 Max: 8.4 Min: 7.4 2 7 inches 22 inches clay loam Silt -Clay Materials (more than 35 pct. passing No. 200), Silty Soils. COARSE -GRAINED SOILS, Sands, Sands with fines, Silty Sand. Max: 42.33 Min: 14.11 Max: 8.4 Min: 7.4 3 22 inches 59 inches clay loam Silt -Clay Materials (more than 35 pct. passing No. 200), Silty Soils. COARSE -GRAINED SOILS, Sands, Sands with fines, Silty Sand. Max: 42.33 Min: 14.11 Max: 8.4 Min: 7.4 4 59 inches 64 inches sandy clay loam Silt -Clay Materials (more than 35 pct. passing No. 200), Silty Soils. COARSE -GRAINED SOILS, Sands, Sands with fines, Silty Sand. Max: 42.33 Min: 14.11 Max: 8.4 Min: 7.4 TC5510803.2s Page A-6 GEOCHECK© - PHYSICAL SETTING SOURCE SUMMARY Soil Map ID: 2 Soil Component Name: Soil Surface Texture: Hydrologic Group: Olney fine sandy loam Class B - Moderate infiltration rates. Deep and moderately deep, moderately well and well drained soils with moderately coarse textures. Soil Drainage Class: Well drained Hydric Status: Partially hydric Corrosion Potential - Uncoated Steel: High Depth to Bedrock Min: > 0 inches Depth to Watertable Min: > 0 inches Soil Layer Information Boundary Classification Saturated hydraulic conductivity micro m/sec Soil Reaction (pH) Layer Upper Lower Soil Texture Class AASHTO Group Unified Soil 1 0 inches 5 inches fine sandy loam Silt -Clay Materials (more than 35 pct. passing No. 200), Silty Soils. COARSE -GRAINED SOILS, Sands, Sands with fines, Clayey sand. COARSE -GRAINED SOILS, Sands, Sands with fines, Silty Sand. Max: 42.33 Min: 14.11 Max: 9 Min: 7.9 2 5 inches 18 inches sandy clay loam Silt -Clay Materials (more than 35 pct. passing No. 200), Silty Soils. COARSE -GRAINED SOILS, Sands, Sands with fines, Clayey sand. COARSE -GRAINED SOILS, Sands, Sands with fines, Silty Sand. Max: 42.33 Min: 14.11 Max: 9 Min: 7.9 3 18 inches 59 inches sandy loam Silt -Clay Materials (more than 35 pct. passing No. 200), Silty Soils. COARSE -GRAINED SOILS, Sands, Sands with fines, Clayey sand. COARSE -GRAINED SOILS, Sands, Sands with fines, Silty Sand. Max: 42.33 Min: 14.11 Max: 9 Min: 7.9 4 59 inches 64 inches fine sandy loam Silt -Clay Materials (more than 35 pct. passing No. 200), Silty Soils. COARSE -GRAINED SOILS, Sands, Sands with fines, Clayey sand. COARSE -GRAINED SOILS, Sands, Sands with fines, Silty Sand. Max: 42.33 Min: 14.11 Max: 9 Min: 7.9 TC5510803.2s Page A-7 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY Soil Map ID: 3 Soil Component Name: Soil Surface Texture: Hydrologic Group: Manzanola clay loam Class C - Slow infiltration rates. Soils with layers impeding downward movement of water, or soils with moderately fine or fine textures. Soil Drainage Class: Well drained Hydric Status: Partially hydric Corrosion Potential - Uncoated Steel: High Depth to Bedrock Min: > 0 inches Depth to Watertable Min: > 0 inches Soil Layer Information Boundary Classification Saturated hydraulic conductivity micro m/sec Soil Reaction (pH) Layer Upper Lower Soil Texture Class AASHTO Group Unified Soil 1 0 inches 3 inches clay loam Silt -Clay Materials (more than 35 pct. passing No. 200), Clayey Soils. FINE-GRAINED SOILS, Silts and Clays (liquid limit less than 50%), Lean Clay Max: 4.233 Min: 1.411 Max: 9 Min: 7.9 2 3 inches 25 inches clay Silt -Clay Materials (more than 35 pct. passing No. 200), Clayey Soils. FINE-GRAINED SOILS, Silts and Clays (liquid limit less than 50%), Lean Clay Max: 4.233 Min: 1.411 Max: 9 Min: 7.9 3 25 inches 48 inches clay Silt -Clay Materials (more than 35 pct. passing No. 200), Clayey Soils. FINE-GRAINED SOILS, Silts and Clays (liquid limit less than 50%), Lean Clay Max: 4.233 Min: 1.411 Max: 9 Min: 7.9 4 48 inches 59 inches clay loam Silt -Clay Materials (more than 35 pct. passing No. 200), Clayey Soils. FINE-GRAINED SOILS, Silts and Clays (liquid limit less than 50%), Lean Clay Max: 4.233 Min: 1.411 Max: 9 Min: 7.9 TC5510803.2s Page A-8 GEOCHECK® - PHYSICAL SETTING SOURCE SUMMARY LOCAL / REGIONAL WATER AGENCY RECORDS EDR Local/Regional Water Agency records provide water well information to assist the environmental professional in assessing sources that may impact ground water flow direction, and in forming an opinion about the impact of contaminant migration on nearby drinking water wells. WELL SEARCH DISTANCE INFORMATION DATABASE SEARCH DISTANCE (miles) Federal USGS Federal FRDS PWS State Database 1.000 Nearest PWS within 0.001 miles 1.000 FEDERAL USGS WELL INFORMATION MAP ID WELL ID No Wells Found FEDERAL FRDS PUBLIC WATER SUPPLY SYSTEM INFORMATION MAP ID WELL ID No PWS System Found Note: PWS System location is not always the same as well location. STATE DATABASE WELL INFORMATION MAP ID WELL ID 1 2 LOCATION FROM TP LOCATION FROM TP LOCATION FROM TP CO7000000331540 1/4 - 1/2 Mile ESE CO7000000353893 1/2 - 1 Mile ENE OTHER STATE DATABASE INFORMATION STATE OIL/GAS WELL INFORMATION MAP ID WELL ID 1 2 LOCATION FROM TP COOG11000094514 1/4 - 1/2 Mile WSW COOG11000094524 1/4 - 1/2 Mile SE TC5510803.2s Page A-9 PHYSICAL SETTING SOURCE MAP - 5510803.2s 0 1/4 1'2 1 M ile s N N N • County Boundary Major Roads Contour Lines Earthquake epicenter. Richter 5 or greater Water Wells Public Water Supply Wells Cluster of Multiple Icons 4 • Groundwater Flow Direction Indeterminate Groundwater Flow at Location Groundwater Flow Varies at Location Oil, gas or related wells SITE NAME: ADDRESS: LAT/LONG: Cureton Hookside 160 -Acre Parcel Weld County Rd 100 Briggsdale CO 80611 40.71 6369 / 104.130768 CLIENT: Olsson CONTACT: Vanessa Scott INQUIRY #: 5510803.2s DATE: December 12, 2018 5:44 pm Copyright 2i_'3 L 2015 TomTom Rel. 2015. GEOCHECK®- PHYSICAL SETTING SOURCE MAP FINDINGS Map ID Direction Distance Elevation Database EDR ID Number 1 ESE 1/4 - 1/2 Mile Lower CO DWR ID #: Well Name Water Court Case if: Well Use: Special Use: Addtl Aquifer: Yrly Appropriation: Expiration Date: Start Use Date: Well Plug Date: Well Depth (ft): Base of Last Pert Casing: Static Water Depth (ft): Mgmt District: Division: Not Reported Not Reported Not Reported Domestic Not Reported Not Reported 0 12/04/2008 Not Reported Not Reported 100 100 73 Not Reported 1 Permit #: Well Status: Parcel Size: Addtl Well Use: Primary Aquifer: Irrigation Area: Issue Date: Construction Date: Pump Install Date: Surface Elevation (ft): Top of First Perf Casing: Yield (gal/min): Groundwater Basin: Water District: Comments: CO WELLS CO7000000331540 271773 - Well Constructed 40 Stock All Unnamed Aquifers 1 ACRES 12/04/2006 09/12/2007 Not Reported 0 60 0 Not Reported 1 Not Reported 2 ENE 1/2 - 1 Mile Higher CO DWR ID #. Well Name: Well Status: Water Court Case #: Well Use: Special Use: Addtl Aquifer: Yrly Appropriation: Expiration Date: Start Use Date: Well Plug Date: Well Depth (ft): Base of Last Perf Casing: Static Water Depth (ft): Mgmt District Division: 0106771 Permit #: Not Reported Permit Issued Completion Status Unknown Not Reported Parcel Size: Stock Addtl Well Use: Not Reported Primary Aquifer: Not Reported Irrigation Area: 0 Issue Date: Not Reported Construction Date: Not Reported Pump Install Date: Not Reported Surface Elevation (ft): 0 Top of First Perf Casing: 0 Yield (gal/min): 0 Groundwater Basin Not Reported Water District 1 Comments: CO WELLS CO7000000353893 37160- 0 Not Reported All Unnamed Aquifers 0 acres Not Reported Not Reported Not Reported 0 0 8 Not Reported 1 Not Reported TC5510803.2s Page A-11 GEOCHECK®- PHYSICAL SETTING SOURCE MAP FINDINGS Map ID Direction Distance Database FDR ID Number 1 WSW 1/4 -1/2 Mile Well #: 18-30H API#: 05-123-33059 Facility ID: 421785 Ground Elevation (ft): 4933 Location Name: Five Well Draw 18-30H Citing Type: Not Reported Max Total Vertical Depth: 0 OIL_GAS COOG11000094514 Well Name: Five Well Draw Operator: NOBLE ENERGY INC Facility Type: WELL Field Name: WILDCAT Spud Date: Not Reported Max Measured Depth: 0 2 SE 1/4 -1/2 Mile Well #: 20-32H API#: 05-123-33068 Facility ID: 421808 Ground Elevation (ft): 4941 Location Name: Five Well Draw 20-32H Citing Type: Not Reported Max Total Vertical Depth: 0 OIL_GAS COOG11000094524 Well Name: Five Well Draw Operator: NOBLE ENERGY INC Facility Type: WELL Field Name: WILDCAT Spud Date: Not Reported Max Measured Depth: 0 TC5510803.2s Page A-12 GEOCHECK®- PHYSICAL SETTING SOURCE MAP FINDINGS RADON AREA RADON INFORMATION Federal EPA Radon Zone for WELD County: 1 Note: Zone 1 indoor average level > 4 pCi/L. : Zone 2 indoor average level >= 2 pCi/L and <= 4 pCi/L. : Zone 3 indoor average level < 2 pCi/L. Federal Area Radon Information for WELD COUNTY, CO Number of sites tested: 38 Area Average Activity % <4 pCi/L % 4-20 pCi/L % >20 pCi/L Living Area - 1st Floor Living Area - 2nd Floor Basement 2.060 pCi/L 90% Not Reported Not Reported 3.824 pCi/L 61% 10% Not Reported 39% 0% Not Reported 0% TC5510803.2s Page A-13 PHYSICAL SETTING SOURCE RECORDS SEARCHED TOPOGRAPHIC INFORMATION USGS 7.5' Digital Elevation Model (DEM) Source: United States Geologic Survey EDR acquired the USGS 7.5' Digital Elevation Model in 2002 and updated it in 2006. The 7.5 minute DEM corresponds to the USGS 1:24,000- and 1:25,000 -scale topographic quadrangle maps. The DEM provides elevation data with consistent elevation units and projection. Current USGS 7.5 Minute Topographic Map Source: U.S. Geological Survey HYDROLOGIC INFORMATION Flood Zone Data: This data was obtained from the Federal Emergency Management Agency (FEMA). It depicts 100 -year and 500 -year flood zones as defined by FEMA. It includes the National Flood Hazard Layer (NFHL) which incorporates Flood Insurance Rate Map (FIRM) data and Q3 data from FEMA in areas not covered by NFHL. Source: FEMA Telephone: 877-336-2627 Date of Government Version: 2003, 2015 NWI: National Wetlands Inventory. This data, available in select counties across the country, was obtained by EDR in 2002, 2005 and 2010 from the U.S. Fish and Wildlife Service. State Wetlands Data: Riparian Vegetation Data Source: Division of Wildlife Telephone: 970-416-3360 HYDROGEOLOGIC INFORMATION AQUIFLOWR Information System Source: EDR proprietary database of groundwater flow information EDR has developed the AQUIFLOW Information System (AIS) to provide data on the general direction of groundwater flow at specific points. EDR has reviewed reports submitted to regulatory authorities at select sites and has ' extracted the date of the report, hydrogeologically determined groundwater flow direction and depth to water table information. GEOLOGIC INFORMATION Geologic Age and Rock Stratigraphic Unit Source: P.G. Schruben, R.E. Arndt and W.J. Bawiec, Geology of the Conterminous U.S. at 1:2,500,000 Scale - A digital representation of the 1974 P.B. King and H.M. Beikman Map, USGS Digital Data Series DDS - 11 (1994). STATSGO: State Soil Geographic Database Source: Department of Agriculture, Natural Resources Conservation Service (NRCS) The U.S. Department of Agriculture's (USDA) Natural Resources Conservation Service (NRCS) leads the national Conservation Soil Survey (NCSS) and is responsible for collecting, storing, maintaining and distributing soil survey information for privately owned lands in the United States. A soil map in a soil survey is a representation of soil patterns in a landscape. Soil maps for STATSGO are compiled by generalizing more detailed (SSURGO) soil survey maps. SSURGO: Soil Survey Geographic Database Source: Department of Agriculture, Natural Resources Conservation Service (NRCS) Telephone: 800-672-5559 SSURGO is the most detailed level of mapping done by the Natural Resources Conservation Service, mapping scales generally range from 1:12,000 to 1:63,360. Field mapping methods using national standards are used to construct the soil maps in the Soil Survey Geographic (SSURGO) database. SSURGO digitizing duplicates the original soil survey maps. This level of mapping is designed for use by landowners, townships and county natural resource planning and management. TC5510803.2s Page PSGR-1 PHYSICAL SETTING SOURCE RECORDS SEARCHED LOCAL / REGIONAL WATER AGENCY RECORDS FEDERAL WATER WELLS PWS: Public Water Systems Source: EPA/Office of Drinking Water Telephone: 202-564-3750 Public Water System data from the Federal Reporting Data System. A PWS is any water system which provides water to at least 25 people for at least 60 days annually. PWSs provide water from wells, rivers and other sources. PWS ENF: Public Water Systems Violation and Enforcement Data Source: EPA/Office of Drinking Water Telephone: 202-564-3750 Violation and Enforcement data for Public Water Systems from the Safe Drinking Water Information System (SDWIS) after August 1995. Prior to August 1995, the data came from the Federal Reporting Data System (FRDS). USGS Water Wells: USGS National Water Inventory System (NWIS) This database contains descriptive information on sites where the USGS collects or has collected data on surface water and/or groundwater. The groundwater data includes information on wells, springs, and other sources of groundwater. STATE RECORDS Colorado GIS Well Database Source: Office of State Engineer, Division of Water Resources Telephone: 303-866-3581 The GIS Well database includes all wells that the Division of Water Resources permits. OTHER STATE DATABASE INFORMATION Oil and Gas Well Locations Source: Department of Natural Resources Telephone: 303-894-2100 RADON State Database: CO Radon Source: Department of Public Health & Environment Telephone: 303-692-3090 Radon Study in Colorado Area Radon Information Source: USGS Telephone: 703-356-4020 The National Radon Database has been developed by the U.S. Environmental Protection Agency (USEPA) and is a compilation of the EPA/State Residential Radon Survey and the National Residential Radon Survey. The study covers the years 1986 - 1992. Where necessary data has been supplemented by information collected at private sources such as universities and research institutions. EPA Radon Zones Source: EPA Telephone: 703-356-4020 Sections 307 & 309 of IRAA directed EPA to list and identify areas of U.S. with the potential for elevated indoor radon levels. OTHER Airport Landing Facilities: Private and public use landing facilities Source: Federal Aviation Administration, 800-457-6656 Epicenters: World earthquake epicenters, Richter 5 or greater Source: Department of Commerce, National Oceanic and Atmospheric Administration Earthquake Fault Lines: The fault lines displayed on EDR's Topographic map are digitized quaternary faultlines, prepared in 1975 by the United State Geological Survey TC5510803.2s Page PSGR-2 PHYSICAL SETTING SOURCE RECORDS SEARCHED STREET AND ADDRESS INFORMATION © 2015 TomTom North America, Inc. All rights reserved. This material is proprietary and the subject of copyright protection and other intellectual property rights owned by or licensed to Tele Atlas North America, Inc. The use of this material is subject to the terms of a license agreement. You will be held liable for any unauthorized copying or disclosure of this material. TC5510803.2s Page PSGR-3 Vanessa Scott From: Sent: To: Subject: Attachments: Hello, Vanessa Scott Tuesday, December 18, 2018 9:04 AM briggsdalefire@wigginstel.com Information Request on a Property 2018-12-11_LocationMa p.pdf I would like to request to review information pertaining to past enforcement activities, past violations, notices, cleanups, hazardous waste disposal activity, spills, fires, or other environmental problems for the following property: • Portion of the Gabel Cattle LLC property (160 -acres northwest of Weld County Roads 99 and 100), Weld County, Co I have also attached a site map of the location of this property for reference. Thank you, Vanessa Vanessa Scott Senior Scientist / Environmental D 303.374.3102 C 720.934.7079 1525 Raleigh St.. Ste. 400 Denver CO 80204 O 303.237 2072 olsson FORM US: I '3 t DOOk t Pn`t.'t.! rr > ,. grraf n 1 ;kr;,,, , 1 proposed or completed operations, describe in full on Technical Information Page (Page 2 of this form.) Identify well or other facility by API Number or by OGCC Facility ID. Operator shall send an Informational copy of all sundry notices for wells located in High Density Areas to the Local Government Designee (Rule 603b.) 1. OGCC Operator Number: 100322 2. Name of Operator: NOBLE ENERGY INC 3. Address: 1625 BROADWAY SUITE 2200 4. Contact Name JAN KAJIWARA Phone: (303) 228-4092 City: DENVER State: CO Zip: 80202 Fax: (303) 228-4288 JAN I If Mai II coGcc Complete the Attachment Checklist OP OGCC 5. API Number 05. 123-33059-00 OGCC Facility ID Number 6. Well/Facility Name: FIVE WELL DRAW 7. Well/Facility Number 18-3OHN 8. Location (CVOtr, Sec, Twp, Rng, Meridian): SESW 30 9N 60W 6 PM 9. County: Weld 11. Federal, Indian or State Lease Number: 10. Field Name: Survey Plat Directional Survey Surface Eqpmt Diagram Technical Info Page Other ❑CHANGE OF LOCATION: Attach New Survey PM (a change of surface qtr/qtr is substantive and FNUFSL requires a new permit) FEL/FWL Change of Surface Footage from Exterior Section Lines: Change of Surface Footage to Exterior Section Lines: Change of Bottomhole Footage from Exterior Section Lines: Change of Bottomhole Footage to Exterior Section Lines: Bottomhole location Qtr/Our, Sec, Twp, Rng, Mer J n ❑ 1 III 0 attach directional survey bldg, Density public rd, utility or RR Latitude Distance to nearest property line Distance to nearest in a High consultation Longitude Distance to nearest lease line Is location Area (rule 603b)? vesAlo( Ground Elevation Distance to nearest well same formation Surface owner date: GPS DATA: Date of Measurement PDOP Reading Instrument Operator's Name []CHANGE SPACING UNR Unit Acreage Unit configuration []Remove from surface bond surface use agreement attached Formation Formation Code Spacing order number Signed I I I I J WELL NAME NUMBER QCHANGE OF OPERATOR (prior to drilling): QCHANGE Effective Date: From: Plugging Bond: 0 Blanket ❑ Individual To: Effective Date: ,,/ ABANDONED LOCATION: QNOTICE OF CONTINUED SHUT IN or temporarily abandoned: Equipment been removed from in longer than two years. Date STATUS Was location ever built? • Yes F/ No Date well shut in Has Production MIT required if shut Is site ready for Inspection? FA Yes No site? EllYes No Date Ready for Inspection: 1/31/13 of last MIT QSPUD DATE: FOR CONFIDENTIAL STATUS (6 mos from date casing set) OREQUEST SUBSEQUENT REPORT OF STAGE, SQUEEZE OR REMEDIAL CEMENT WORK `submit obi and cement job summaries volume Cement top Cement bottom Date Method used Cementing tool setting/perf depth Cement I I I i I I ❑RECLAMATION: Attach technical page describing final reclamation rocedures per Rule 1004. Final reclamation is completed and site is ready for inspection. Final reclamation will commence on approximately Notice of Intent Approximate Start Date: Technical Engineering/Environmental Notice Report of Work Done Date Work Completed: Details of work must be described In full on Technical information Page (Page 2 must be submitted.) nintenl to Recomplete (submit form 2) nChange Drilling Plans ❑Gross interval Changed? FiCasing/Cementing Program Change Request to Vent or Flare nRepair Well Rule 502 variance requested nOther: nE&P Waste Disposal nBeneficial Reuse of E&P Waste riStatus Update/Change of Remediation Plans for Spills and Releases I hereby certify that the sta Signed: ments in this form are, to the best of my knowledge, true, corr t and complete, Date: / 3 Email: Print Name: Jan ' ara Title: Regulatory Analyst III jkajiwara©nobleenergyinc.com COGCC Approved: CONDITIONS 0 APPR+VAL, IF ANY: V �Titie: Date: I /WO OGCC Operator Number: 100322 API Number: 123-33059-00 2. Name of Operator: NOBLE ENERGY INC OGCC Facility ID # 3. Well/Facility Name: FIVE WELL DRAW Well/Facility Number: 18-30HN 4. Location (QtrQtr, Sec, Twp, Rng, Meridian): SESW 30 9N 60W 6 PM This form is to be completed whenever a Sundry NoUce is submitted requiring detailed report of work to be performed or completed. This form shall be transmitted within 30 days of work completed as a "subsequent" report and must accompany Form 4, page 1. 5. DESCRIBE PROPOSED OR COMPLETED OPERATIONS RECEI ED JAN 1 C ≥i 'c3 COG .'C LOCATION #421796 HAS NOT BEEN CONSTRUCTED AND NOBLE REQUEST THE STATUS OF THE OIL AND GAS LOCATION TO BE CHANGED TO "ABANDONED". proposed or completed operations, describe in full on Technical Information Page (Page 2 of this form,) Identify well or other facility by API Number or by OGCC Facility ID. Operator shall send an informational copy of all sundry notices for wells located In High Density Areas to the Local Government Designee (Rule 603b.) • -1:1 UtJ COG 1. OGCC Operator Number: 100322 4. Contact Name 2. Name of Operator: NOBLE ENERGY INC JAN KAJIWARA 3. Address: 1625 BROADWAY SUITE 2200 Phone: (303) 228-4092 City: DENVER State: CO Zip: 80202 Fax: (303) 228-4286 5. API Number 05- 123-33068-00 OGCC Facility ID Number 6. Wel/Facility Name: FIVE WELL DRAW 7. Well/Facility Number 20 -32I -IN 8. Location (QtrQtr, Sec, Twp, Rng, Meridian): NWNW 32 9N 60W 6 PM 9. County: 11. Federal, Indian or State Lease Number. Complete the Attachment Checklist OP OGCC 10. Field Name: Survey Plat Directional Survey Surface Eqpmt Diagram Technical Info Page Other ❑CHANGE OF LOCATION: Attach New Survey Mat (a change of surface qtr/qtr is substantive and requires a new permit) FNIJFSL FEUFWL Change of Surface Footage from Exterior Section Lines: Change of Surface Footage to Exterior Section Lines: Change of Bottomhole Footage from Exterior Section Lines: Change of Bottomhole Footage to Exterior Section Lines: Bottomhole location Qtr/Qtr, Sec, Twp, Rng, Mer I 1 I ❑ ❑ 1 ] _1 J F 1 ❑ 1 1 a attach dtrocUenel survey bldg, public rd, utility or RR Latitude Distance to nearest property line well same line Distance to nearest Longitude Distance to nearest lease Is location in a High Density Area (rule 603b)? ves,Nol Ground Elevation Distance to nearest formation Surface owner consultation date: GPS DATA: Date of Measurement PDOP Reading instrument Operator's Name OCHANGE SPACING UNIT Unit Acreage Unit configuration [Remove from surface bond Formation Formation Code Spacing order number Signed surface use agreement attached I I I I l NUMBER CHANGE OF OPERATOR (prior to drilling): QCHANGE WELL NAME Effective Date: From: Plugging Bond: [J Blanket individual To: Effective Date: � Lr ABANDONED LOCATION: NOTICE OF CONTINUED SHUT IN STATUS Was location ever built? ❑ Yes IrJ No Date well shut In or temporarily abandoned: Has Production Equipment been removed MIT required if shut in longer than two Is site ready for Inspection? FA Yes 0 No from site? Yes No Date Ready for Inspection: 1/31/13 years, Date of last MIT QSPUD DATE STATUS 0 mos from date casing set) • REQUEST FOR CONFIDENTIAL Q SUBSEQUENT REPORT OF STAGE, SQUEEZE OR REMEDIAL CEMENT WORK 'submit cbl and cement job summaries Cement volume Cement top Cement bottom Date Method used Cementing tool setting/pert depth I I I I I I RECLAMATION: Attach technical page describing final reclamation rocedures per Rule 1004. Final reclamation is completed and site is ready for inspection, Final reclamation will commence on approximately []Notice of Intent Approximate Start Date: Technical Engineering/Environmental Notice []Report of Work Done Date Work Completed: Details of work must be described in full on Technical Information Pape (Pepe 2 must be submitted.) Intent to Recomplete (submit form 2) []Change Drilling Plans riGross Interval Changed? nCasing/Cementing Program Change []Request to Vent or Flare []Repair Wet []Rule 502 variance requested []Other: nE&P Waste Disposal []Beneficial Reuse of E&P Waste []Status Update/Change of Remedlation Plans for Spills and Releases I hereby certify that the statem nts made in this form are, to the best of my knows Signed: Print Name: Jan Kali P COGCC Approved: , correct an C Date: -7 Email: Title: e• ulatory Anal ajiwara@nobleenergyinc.com CONDITIONS OF RO L. IF ANY: Title: Date: V21/13 1/1 h. I to 1 I :1C L3 1. OGCC Operator Number: 100322 2. Name of Operator: NOBLE ENERGY INC 3. Well/Facility Name: FIVE WELL DRAW API Number: 123-33068-00 OGCC Facility ID # WeIUFacility Number: 20-32HN 4. Location (QtrQtr, Sec, Twp, Rng, Meridian): NWNW 32 9N 60W 6 PM rmk•mivcit.i JAN 152013 COGCC (This form Is to be completed whenever a Sundry Notice Is submitted requiring detailed report of work to be performed or completed. This form shall be transmitted within 30 days of work completed as a "subsequent" report and must accompany Form 4, page 1. 5. DESCRIBE PROPOSED OR COMPLETED OPERATIONS LOCATION #421821 HAS NOT BEEN CONSTRUCTED AND NOBLE REQUEST THE STATUS OF THE OIL AND GAS LOCATION TO BE CHANGED TO "ABANDONED". i APPENDIX F Environmental Professional Qualifications JAMES HIX, PG Senior Scientist / Environmental EXPERIENCE SUMMARY James is a senior scientist with experience in environmental consulting. He has a wide variety of environmental experience that includes: environmental site assessment, characterization, and remediation at facilities under RCRA, CERCLA, CWA and TSCA regulatory requirements; project management; health and safety oversight; regulatory compliance audits for industrial facilities; ASTM El 527 Phase I Environmental Site Assessments; due diligence assessments of petroleum and natural gas production, transportation and processing facilities; surface and subsurface assessments, and groundwater investigations including risk assessment fate and transport modeling. Additionally, James has experience with Risk Based Corrective Action, Remediation, and Voluntary Cleanup Programs in Colorado, Pennsylvania, Illinois, Texas, and Wyoming. Project duties have included reviewing and developing environmental work plans, developing and implementing site investigation and health and safety programs, risk assessment fate and transport modeling, and negotiations between clients and the implementing regulatory agencies. EDUCATION • BS, Geology, Colorado State University PROFESSIONAL REGISTRATIONS • Professional Geologist: TX, UT, WY CERTIFICATIONS/TRAINING • EPA AHERA/Colorado Asbestos Building Inspector: CDPHE Air Pollution Control • OSHA 40 -hour Hazardous Waste Operations and Emergency Response (HAZWOPER) Health and Safety Training • OSHA 8 -hour HAZWOPER Refresher - Health and Safety Supervisor Training • Radiation Safety Officer in Colorado OLSSON EXPERIENCE • 2000 to Present OVERALL EXPERIENCE • 1991 to Present Proposal Name Goes Here / JAMES HIX, PG Senior Scientist / Environmental COMMERCIAL • Chevron, Rangely Office Building ACM Survey; Rangley, CO EDUCATION • Metropolitan State University, Aerospace Engineering Sciences Building; Denver, CO • University of Denver, Frontier Hall; Denver, CO • University of Denver, Knudson Hall; Denver, CO ENVIRONMENTAL PLANNING & PERMITTING • Stinson Leonard Street LLP, Commerce City VCUP Environmental Support; Denver, CO • CEMEX, Lyons Cement Plant SWMP and Sandstone Quarry; Lyons, CO • PDC Energy, PHMSA Testing Program; Denver, CO • Invenergy, Spring Canyon II & Ill Re -Vegetation Survey; Peetz, CO HIGHWAYS & STREETS • Development Support Services, Phase I and II ESAs, Main, Backus & Bobtail Streets; Black Hawk, CO • Hartwig & Associates, US 6 Bridges; Denver, CO LAND & FACILITIES • CM Production, Lone Pine Compliance; Jackson County, CO • CM Production, Oliver Warren/S.J. Warren Production Pits Remediation and Compliance; Washington County, CO • CM Production, Cliff Field - Rice Lease, Produced Water Pit Compliance; Logan County, CO OIL & GAS Tallgrass Energy Partners, Mill Booster Station VRP Environmental Compliance and Remediation; Gillette, WY Tallgrass Energy Partners, Hay Booster Station VRP Environmental Compliance and Remediation; Gillette, WY • Tallgrass Energy Partners, Douglas Gas Plant Environmental Compliance and Remediation; Douglas, WY • DCP Midstream, Lazy B Gas Plant VRP; Gillette, WY Tallgrass Interstate Gas Transmission, Lysite Natural Gas Unit Environmental Compliance and Remediation; Lysite, WY • DCP Midstream LP, Spindle Gas Processing Plant, Environmental Compliance and Remediation; Weld County, CO • American Midstream Partners, LP, Harmony Gas Plant; Clarke County, MS • Top Operating Inc., Rider Family Trust # 1; Longmont, CO • Confluence Resources, Due Diligence Haskins #1; Adams County, CO • ONEOK, Barker Draw Booster Remediation Sampling; Campbell County, WY • Kinder Morgan, Mystery Bridge Superfund Site; Evansville, WY Proposal Name Goes Here / 2 JAMES HIX, PG Senior Scientist / Environmental • NARS Herrygers, Environmental Services Emergency Response; Rawlins, WY • Laramie Energy, Rulison Area Well Radionuclide Monitoring; Rulison, CO • Chevron, Senior Rangely Mercury Pile Assessment; Rangley, CO • El Paso E&P Company, Archer Helium Plant Audit; CO • El Paso E&P Company, CIG Pipeline North Pueblo Meter Station; Pueblo, CO • El Paso E&P Company, CIG Portland Meter Station Environmental Assessment; Fremont County, CO • Chevron, Birch Creek Monitoring Wells; Birch Creek; WY • SourceGas, Limited Phase I & II ESA Oversight, FMGP; McCook, NE • Kinder Morgan, CO2 - St. Johns Arizona NORM Survey; Denver, CO Abengoa Bioenergy, Engineering & Construction Environmental Permitting at ABIL Ethanol Operations; IL Abengoa Bioenergy, Indiana Environmental Permitting at ABI Ethanol Operations; IN Abengoa Bioenergy, Environmental Water Permitting; Ravenna, NE Oneok, Pump Station Decommissioning; AZ • Piceance Energy, Rulison Area Well Monitoring; Rulison, CO • Whiting Oil & Gas Corporation, Pipeline SWMP; Denver, CO • Whiting Oil & Gas Corporation, Redtail Gas Plant Stormwater Management Plan; Denver, CO • SM Energy, Senior Baytex Energy Due Diligence; ND • Tallgrass PXP, Sterling Pump Station Pipeline Release; Lakewood, CO • Caerus, Rulison Well Sampling; Rulison, Garfield County, CO • East Cheyenne Gas Storage LLC, Phase I ESA Due Diligence; Logan County, CO. • East Cheyenne Gas Storage LLC, Oil Well Site Remediation; Logan County, CO • East Cheyenne Gas Storage LLC, Demolition of Former Pump Building; Logan County, CO • East Cheyenne Gas Storage LLC, Cutting and Drilling Mud Waste Arsenic Soil Remediation; Logan County, CO • Encana U.S.A., DJ Basin Waste Management; CO • Black Eagle Energy Services, Suncor RMCE Pipeline Construction Dewatering Project; Fort Lupton, CO Tallgrass Energy, BNN Redtail SWD Water System; Weld County, CO BNN Western, LLC, Wildhorse SWD Emergency Response; Weld County, CO BNN Western, Razor 26J SWD Produced Water Spill; Weld County, CO A Better Way Realty, REO's SLS Commerce City VCUP; Denver, CO Kinder Morgan, NORM Survey Services; Lincoln, NE Top Operating, Rider 1 Well Site Remediation, Longmont, CO Top Operating, Stamp 2 Well Site Remediation, Longmont, CO Top Operating, Serafini Gas Unit Well Site Remediation, Longmont, CO Ursa Operating Company, LLC, Geologic and Natural Hazards Report, BMC PUD; Garfield County, CO Proposal Name Goes Here / 3 JAMES HIL9 PG Senior Scientist / Environmental Whiting Oil & Gas Corporation, Petroleum Gulf Platform DMR, Gulf of Mexico • Whiting Oil & Gas Corporation, DJ Basin Stormwater Management and Inspections, Weld County, CO • Whiting Oil & Gas Corporation, DJ Basin Spill Response and Remediation Oversight, Weld County, CO Xcel Energy, IMP 4" Brighton Lateral IMP, Denver, CO • Xcel Energy, IMP 3" Frisco to Breckenridge IMP, Frisco and Breckenridge, CO • Xcel Energy, IMP 6" Frisco to Breckenridge IMP, Frisco and Breckenridge, CO Xcel Energy, Longmont/Sugar Mill 6" Lateral IMP, Longmont, CO POWER • Southwest Generation, Las Vegas Cogeneration Plant ESAs, Las Vegas, NV RENEWABLE ENERGY Confidential Client, Spring Canyon II Wind Energy, Denver, CO • Confidential Client, Sidney Solar Phase I ESA, Sidney, NE • Confidential Client, Rush Creek I Phase I ESA, CO Confidential Client, Rush Creek II Phase I ESA, CO RESIDENTIAL • Richmark Real Estate, 816 Flats, Greeley, CO • JCM Development LLC, The Estates at North Table Mountain, Golden, CO WASTEWATER • North Washington Street Water & Sanitation, 54th Ave Utility Subsurface Investigation, Denver, CO Proposal Name Goes Here / 4 Ima/LsziN.,1\44...•,..k., At8tz,_._ VANESSA SCOTT Senior Scientist - Environmental EXPERIENCE SUMMARY Vanessa works within and on her environment every day. She has experience in environmental studies, environmental compliance and due diligence, stormwater and SPCC permitting, and environmental project permitting and coordination. This experience includes FERC pipeline permitting, NEPA EIS support, environmental permitting, and Phase I ESAs, keeping her clients in compliance and keeping the environment safe at the same time. She has been involved in the coordination and preparation of numerous FERC Environmental Resource Reports and associated support and Environmental Site Assessment reports and conducted more than one hundred site visits at local and regional facilities, including several oil and gas facilities and assets. EDUCATION • BS, Biology (Chemistry minor), University of Texas at El Paso OLSSON EXPERIENCE • 2014 to Present OVERALL EXPERIENCE • 2000 to Present Proposal Name Goes Here / VANESSA SCOTT Senior Scientist - Environmental COMMERCIAL • Development Support Services, Phase I and II ESAs, Main, Backus & Bobtail Streets, Black Hawk, CO LAND & FACILITIES • USPS, Hazardous Material Abatement Assessments and Oversight During Lead and Asbestos Abatement and Environmental Compliance Review, Nationwide* OIL & GAS Noble Energy and Noble Midstream, Stormwater Permitting and Inspection Services, DJ Basin, Weld County, CO Bill Barrett Corporation, Stormwater Permitting, SPCC Plan, and Inspection Services, Nationwide • Tallgrass Energy Partners, FERC 7(c)/7(b) Certificate Permitting, Pipeline, WY, CO, NE, KS • Tallgrass Energy Partners, FERC 7(c) Certificate Permitting, Pipeline, OH, IN, IL • Tesoro, EIS and Environmental Permitting, Pipeline Project, UT Tallgrass Energy Partners, FERC 311(a) Advanced Notification of Construction of Facilities, Pipeline Project, OH Fayetteville Express Pipeline LLC, FERC 7(c) Certificate Permitting, Pipeline Project, AK, MS* Transcontinental Gas Pipe Line Company, FERC 7(c) Certificate Permitting, Pipeline Project, Nationwide* • Peregrine Midstream Partners, FERC 7(c) Certificate Permitting, Pipeline Project, WY* • SourceGas LLC, Environmental Consulting Services, Nationwide* Kinder Morgan, Environmental Clearance Program, Nationwide* RENEWABLE • Invenergy, Southern Star Solar Tier 1 & 2 Site Characterization, Pueblo County, CO • Invenergy, San Luis Valley Solar Tier 1 & 2 Site Characterization, Alamosa County, CO • Invenergy, Copper Butte Solar Tier 1 & 2 Site Characterization, Saguache County, CO • Invenergy, Stem Beach Solar Tier 1 & 2 Site Characterization and WoUS Delineation, Pueblo County, CO Confidential Client, Sidney Solar Farm Phase I ESA, Sidney, NE Invenergy, Spring Canyon II and III Revegetation Survey, Peetz, CO • Invenergy, Rush Creek I and II Phase I ESA, Limon, CO • Invenergy, Sagamore Phase I ESA and WoUS Delineation, Roosevelt County, NM * Previous Firm Experience Proposal Name Goes Here / 2 KATY SPROUSE Environmental EXPERIENCE SUMMARY Katy is an environmental scientist with experience in data collection in the field, environmental policy, and communication of environmental and scientific information. She has also conducted site assessments, long-term monitoring, and natural resource management recommendations, and she has an understanding of watershed processes and measurement tools, as well as basic soil sampling. OIL & GAS • Bill Barrett Corp, Baseline Sampling; Denver, CO • PDC Energy Inc, Baseline Hunt Federal 4N66W28Y; Greeley, CO • Noble Energy Midstream Holdings, Sand Creek MW Sampling; Greeley, CO • Noble Energy Inc, Noble Energy Stormwater Inspections; CO • PDC Energy Inc, Snowmass 5N64W05; Greeley, CO • PDC Energy Inc, Josephine 5N64W190 & Sandin 5N64W24; CO • PDC Energy Inc, Stella 05N64W22; CO • PDC Energy Inc, Fern 05N65W1 1 AJ; CO • PDC Energy Inc, High Plains 5N65W25 & Bunting 05N65W26; CO • Noble Energy Midstream Holdings, Baseline LTE Data Transfer; CO • PDC Energy Inc, Geib 05N65W26; CO • Noble Energy Inc, Voluntary Water Samples; CO • Noble Energy Inc, Various Project Sites; CO EDUCATION • BS, Ecosystem Science and Sustainability, Colorado State University OLSSON EXPERIENCE • 2017 to Present OVERALL EXPERIENCE • 201] to Present olsson TECHNICAL MEMORANDUM TO: Nick Holland, Director, EHSR, Cureton Front Range, LLC FROM: Paige Koutelas, Olsson DATE: December 21, 2018 SUBJECT: Environmental Assessment of Cureton Front Range, LLC's Proposed Hookside Project Site Olsson completed a desktop review (DTR) and habitat survey of environmental resources for Cureton Front Range LLC's (Cureton's) proposed 162 -acre Hookside Project site. The site is located in Township 9 North, Range 60 West, Section 30 in Weld County, Colorado, on private land (parcel 046730000002). The results of our DTR and habitat survey are presented below. Overview A spatial data search and habitat survey were conducted on December 12, 2018, to evaluate the following resources: • Waters of the United States (WOUS) and Soils; • Federal Emergency Management Agency (FEMA) 100 -year floodplains in Weld County; • Regulated species listed by the Federal Endangered Species Act (ESA) for Weld County and by the Colorado Oil and Gas Conservation Commission (COGCC) for Restricted Surface Occupancy (RSO) and Sensitive Wildlife Habitat (SWH); and • Wildlife Management and Special Recreation Areas. Additionally, stormwater permitting requirements were assessed. WOUS, Soils, and FEMA Review A review of WOUS, soils, and FEMA data was conducted on December 12, 2018, for the purpose of this DTR and included an initial assessment of the following: • Aerial imagery of the proposed site; • National Resource Conservation Service -Soil Survey & Hydric Soils (NRCS 2018); • United States Fish and Wildlife Service (USFWS) National Wetland Inventory (NWI 2018); • FEMA 100 -Year Floodplain Review; and • Weld County 100 -Year Floodplain Review (county responsible for mapping). Aerial imagery depicts the Project area in rangeland with industrial properties situated to the west (Figure 1). A topographic map review indicates the Project area is relatively flat, sloping southwest, with an associated water feature at the southwest corner of the site (Figure 2). The NWI data depict one wetland within the Project area (Figure 1). On December 12, 2018, Olsson staff visited the Project site to identify 1525 Raleigh Street, Suite 400 TEL 303.237.2072 Denver, CO 80204 FAX 303.237.2659 www.olsson.com olsson the presence and extent of the wetland boundary and to determine whether other WOUS were present. During the wetland delineation, no hydric soils were found within the NWI mapped wetland area (Attachment A). However, evidence of ponding and a change in vegetation in the area indicate that the NWI mapped wetland does exist. Cureton plans to avoid this wetland. This supports Weld County's Wildlife Policy 2.3, "destruction of wetlands or riparian areas will be strongly discouraged..." (Weld County Code Ordinance 2002-6; Weld County Code Ordinance 2008-13). If the NWI mapped wetland cannot be avoided, a follow-up wetland delineation will be performed during the growing season to more adequately depict wetland conditions. The Project area is not located within the FEMA 100 -year flood zone and, as such, would not require a Weld County Floodplain Development Permit. Four soil types were identified through the NRCS search within the Project area (Figure 1): Manzanola clay loam, 0 to 3 percent slopes; Nunn loam, 0 to 6 percent slopes; Olney fine sandy loam, 0 to 6 percent slopes; and Playas. Playas is listed in the National Hydric Soils List (NRCS 2018). The presence of Playas in the Project area corresponds with the NWI mapped wetland and were considered in the design of the Project. Playas are avoided through Cureton's design. There may be stormwater drainages/culverts located along roads adjacent to the Project area. These would not be considered jurisdictional and would not require permitting with the U.S. Army Corps of Engineers. Regulated Species Review A review of species and their habitat was conducted on December 12, 2018, for the purpose of this DTR and included an initial assessment of the following: • Restricted Surface Occupancy (RSO) for all county species -Colorado Oil and Gas Information System (COGIS) and Colorado Parks and Wildlife (CPW); • SWH and Critical Wildlife Habitat-COGIS and CPW; and • USFWS Information Planning and Consultation (IPaC) tool -generated list of federal -listed species (IPAC 2018). A total of eight federally listed threatened or endangered species are listed for Weld County, Colorado (see Attachment B). Habitat for federally listed species was reviewed using the abovementioned spatial data. Critical habitat has been designated for four of the listed species potentially occurring in Weld County: Colorado butterfly plant (Gaura neomexicana spp. Coloradensis), piping plover (Charadrius melodus), whooping crane (Grus americana), and Mexican spotted -owl (Strix occidentalis lucida). Critical habitat has not been designated by the USFWS for Ute ladies' -tresses (Spiranthes diluvialis), western prairie fringed orchid (Platanthera praeclara), pallid sturgeon (Scaphirhynchus albus), or least tern (Sterna antillarum). The Project area does not contain any mapped critical habitat for the aforementioned species, and none was observed during Olsson's field survey on December 12, 2018. No threatened and endangered species are expected to occur within the Project area due to the lack of suitable habitat. If the Project results in consumptive use of waters from the Platte River basin, federally listed species associated with the Platte River may be impacted by the Project. 1525 Raleigh Street, Suite 400 TEL 303.237.2072 Denver, CO 80204 FAX 303.237.2659 www.olsson.com oIsso � A list of species with mapped COGCC RSO and SWH areas is presented in Table 1. Within a 5 -mile buffer of the proposed Project site. one ferruginous hawk (Buteo regalis) site was mapped (Table 1). The nearest COGCC mapped data is a ferruginous hawk site depicted approximately 1.39 miles north- northeast of the Project area. Table 1. List of species under the COGCC with SWH and/or RSO in Colorado for the Cureton Proposed Hookside Project Location Common Name Scientific Name Protection Potential Impact Sensitive Wildlife Habitat Bald eagle Haliaeetus leucocephalus Active winter nest roost sites. sites A Bighorn sheep Ovis canadensis Winter range A Black -footed ferret Mustela nigripes Release sites A Columbian grouse sharp -tailed Tympanuchus phasianellus Production areas A Elk Cervus canadensis Winter area concentration and production A Golden eagle Aquila chrysaetos Active nest sites A Greater sage -grouse Centrocercus urophasianus Production areas A Gunnison sage -grouse Centrocercus minimus Production areas A Lesser prairie chicken pallidicinctus Production areas A Tympanuchus Mule deer Odocoileus hemionus Critical winter range A Plains sharp -tailed grouse Tympanuchus phasianellus jamesii Production areas A Pronghorn Antilocapra americana Winter areas concentration A Restricted Surface Occupancy Cutthroat trout Oncorhynchus clarkii Habitat A Aquatic gold medal waters -- Habitat A Bald eagle Haliaeetus leucocephalus Active nest sites A Bighorn sheep Ovis canadensis Production areas A Columbian grouse sharp -tailed Tympanuchus phasianellus Lek sites A Ferruginous hawk Buteo regalis Active nest sites B Golden eagle Aquila chrysaetos Active nest sites A Greater sage -grouse Centrocercus urophasianus Lek sites A Gunnison sage -grouse Centrocercus minimus Lek sites A Lesser prairie chicken Tympanuchus pallidicinctus Lek sites A Northern goshawk Accipiter gentilis Active nest sites A Osprey Pandion haliaetus Active nest sites A 1525 Raleigh Street, Suite 400 TEL 303.237.2072 FAX 303.237.2659 Denver, CO 80204 www.olsson.com olsson Table 1. List of species under the COGCC with SWH and/or RSO in Colorado for the Cureton Proposed Hookside Project Location Common Name Scientific Name Protection Potential Impact Peregrine falcon Falco peregrinus Active nest sites I A Plains sharp -tailed grouse Tympanuchus phasianellus jamesii Lek sites A Prairie falcon Falco mexicanus Active nest sites A A — No mapped SWH or RSO within a 5 -mile buffer of the Project area. B — The Project site is located within 5 miles of mapped SWH and/or RSO. Based on this DTR, no direct effects to species regulated by COGCC or to federally threatened. endangered, or candidate species listed for Weld County, Colorado, are anticipated. On December 12, 2018, Olsson performed an on -site investigation for sensitive habitat and noxious weeds within the Project area (see the photographs included in Attachment C). During the site visit, unoccupied small mammal burrow holes were observed and mapped (Figure 3). Small mammal burrows provide potential habitat for burrowing owls, which are listed as state threatened. Colorado Parks and Wildlife (CPW) recommends a 150 -foot buffer around active burrowing owl nests from March 15 through October 31. If construction is scheduled to occur within this time period, a burrowing owl nest survey will need to be completed one week prior to construction. In addition, a nest survey for any active nests will need to be completed one week prior to construction to comply with the Migratory Bird Treaty Act (MBTA) if construction is scheduled to occur during the nesting season (i.e., March 15 through July 15). No noxious weeds were observed within the Project site. Pawnee National Grasslands The proposed Project site is within mapped Non -National Forest system lands within the National Forest Inholdings. but does not lie within protected grasslands managed by the United States Forest Service (USFS). This was confirmed with Vernon (Vern) Koehler, District Minerals and Lands Staff, USFS, Pawnee National Grasslands, on December 10 and 12, 2018, and communicated to Kim Ogle, Weld County Planner for the Project, on December 17, 2018. Additionally, on December 14, 2018, Jennifer Whiteside, Realty Specialist, Bureau of Land Management (BLM), Colorado State Office, confirmed that there is not a federal nexus on Cureton's 162 -acre Project site. For records of these conversations and e- mail, see Attachment D. Protected grasslands lie directly north and southwest of the Project site (Figure 4). Cureton will avoid direct impacts to the Pawnee National Grasslands (i.e., no ground disturbance will occur outside of the Project site). And. based on the design of the Project, no indirect effects to the Pawnee National Grasslands are anticipated. Wildlife Management Areas The proposed Project site falls within the Larimer and Weld Game Management Unit (GMU). CPW specifies areas and times for which certain wildlife species may be taken in the GMU. No hunting will be permitted on the Project site. 1525 Raleigh Street, Suite 400 TEL 303.237.2072 FAX 303.237.2659 Denver, CO 80204 www.olsson.com olsson The Project area is surrounded by rangeland and wildlife is expected to occur. To prevent impacts to wildlife, Cureton should regularly inspect trenches and open areas for the presence of wildlife and cover all open trenches at the end of each workday during construction. Special Recreation Areas No special recreation areas were identified within or near the Project site. Cultural Resources An assessment of cultural resources for the Project area is provided under separate report cover and was performed by AK Pioneer Consulting, LLC. Stormwater Permitting This Project requires stormwater permitting with the Colorado Department of Public Health and Environment (CDPHE) as the proposed disturbance will impact greater than one acre. Disclosure This evaluation was completed using readily available existing and published data and field observations, and included early coordination with the USFS and BLM, Colorado State Office. No other public agencies were contacted. This DTR report contains the results of Olsson's December 12, 2018 Project site visit. If Cureton has questions about the DTR and survey results presented herein, please contact Paige Koutelas at pkoutelas@olsson.com or 970.635.3724. 1525 Raleigh Street, Suite 400 TEL 303.237.2072 Denver, CO 80204 FAX 303.237.2659 www.olsson.com FIGURES PROJECT 018-2184 DRAWN BY G. Malek-Madani DATE December 27 2018 Soil Map Unit Key 36 - Manzanola clay loam, 0 to 3 percent slopes 40 - Nunn loam. 0 to 6 percent slopes 44 - Onley fine sandy loam. 0 to 6 percent slopes 86 - Playas Cureton Hookside Project Weld County, CO oisson FIGURE E -o U- U) U a_ a) co Q JI z 0 N cc O N C5 I i 0) U, 0 0 co rN 05 r 0 0 0 1-0 0 0 N cc N U- • _ 046524000004 GABEL CATTLE PROJECT 018-2184 FIGURE 046524000005 GABEL CATTL 0465360000 06 COLORADO STATE OF Legend Hookside Project Site Weld County Parcel 046731000004. ADAMS SCOTT SHABL'E'H DRAWN BY G. Malek-Madani DATE December 27, 2018 046730000010 GABEL CATTLE LLC 0467.31000004 DAMS SCOTTr 054106000010 - - , _ _ r •� 'Assi 1 OTLT Cureton Hookside Project Weld County. CO `94O 04673200OO05 SHABLE HOMESTEAD LLC V 1 046720400023 GABEL CA R °LE ikC 046729.000007 KRIER MICHAEL K 500 1 ,000 2.000 2 x E -o a) czN I 4) U co a I D a) 4- co D a _J a Cr z O O O N C U) a) 0 vst- O 1-- N O O O N O O N CO 0 U - PROJECT. 018-2184 DRAWN BY G. Malek-Madani DATE: December 27, 2018 Cureton Hookside Project Biological Survey Weld County. CO 1 4401'1 FIGURE 3 ATTACHMENT A Wetland Data Forms Wetland Determination Data Form - Great Plains Region Project/Site: Hookside Compressor Station Applicant/Owner: Cureton Midstream City/County: Weld County Sampling Date: 12/12/2018 Investigator(s): P. Koutelas Landform (hillslope. terrace. etc.): Depression Subregion (LRR): H Soil Map Unit Name: Playas Are climatic / hydrologic conditions on the site typical for this time of year? Yes X No (If no, explain in Remarks) Are Vegetation , Soil , or Hydrology _ significantly disturbed? Are "Normal Circumstances" present'? Yes X No Are Vegetation , Soil , or Hydrology naturally problematic? (If needed, explain any answers in Remarks.) SUMMARY OF FINDINGS - Attach site map showing sampling point locations, transects, important features, etc. State: CO Sampling Point: SP1 Section. Township, Range: 30, 9N, 60W Local relief (concave, convex, none): Concave Slope (%): 3 Lat: 40.713210 Long -104.134989 Datum: UTM83 NWI classification: PEM1A Hydrophytic Vegetation Present? Yes X No Hydric Soil Present? Yes No X Wetland Hydrology Present? Yes X No Is the Sampled Area within a Wetland? Yes No X Remarks: Recommend a delineation in the growing season to more accurately depict conditions VEGETATION - Use scientific names of plants. Tree Stratum (Plot size: 30' ) Absolute % Cover Dominant Species? Indicator Status Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC (excluding FAC-): (A) 1. 2. Total Number of Dominant Species Across All Strata: (B) 3. 4. 5. Percent of Dominant Species That Are OBL, FACW, or FAC: (NB) Sapling/Shrub Stratum Plot size: = Total Cover 15' ) 1. 2. Prevalence Index worksheet: Total % Cover of: Multiply by: 3. 4. OBL species x 1 = 5. FACW species x 2 = Herb Stratum (Plot size: 5' ) = Total Cover X UNK FAC species x 3 = 15 FACU species x 4 = 1. Unknown grass species, dead UPL species x 5 = 2. Salsola kali 5 X FACU Column Totals: (A) (B) 3. Prevalence Index = B/A = 4. 5. Hydrophytic Vegetation Indicators: 1 - Rapid Test for Hydrophytic Vegetation 2 - Dominance Test is >50% — 3 - Prevalence Index is <3.0' X 4 - Morphological Adaptations' (Provide supporting data in — Remarks or on a separate sheet) Problematic Hydrophytic Vegetation (Explain) 'Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. 6. 7. e. a. 10. Woody Vine Stratum (Plot size: 30' 20 = Total Cover ) 1. 2 % Bare Ground in Herb Stratum 80% = Total Cover Hydrophytic Vegetation Yes X No Present? Remarks: Lack of vegetation likely due to ponding US Army Corps of Engineers Great Plains - Version 2.0 SOIL Sampling Point: SP1 Profile Description: (Describe to the depth needed to document the indicator or confirm the Depth Matrix Redox Features absence of indicators.) Texture Remarks (inches) Color (moist) % Color (moist) % Type' Loc2 0-12 10YR 3/2 100 - - - - Loam 'Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL=Pore Lining, M=Matrix Hydric Soil Indicators: (Applicable to LRRs, unless otherwise noted.) _Histosol (A1) _Sandy Gleyed Matrix (S4) Histic Epipedon (A2) _ Sandy Redox (S5) _Black Histic (A3) _Stripped Matrix (S6) Hydrogen Sulfide (A4) Loamy Mucky Mineral (F1) Stratified Layers (A5) (LRR F) Loamy Gleyed Matrix (F2) 1 cm Muck (A9) (LRR F, G, H) _ Depleted Matrix (F3) _Depleted Below Dark Surface (A11) Redox Dark Surface (F6) Thick Dark Surface (Al2) Depleted Dark Surface (F7) Sandy Mucky Mineral (S1) _ Redox Depressions (F8) 2.5 cm Mucky Peat or Peat (S2) (LRR G, H) _High Plains Depressions (F16) 5 cm Mucky Peat or Peat (S3) (LRR F) (MLRA 72 & 73 of LRR H) Indicators for Problematic Hydric Soils': 1 cm Muck (A9) (LRR I, J) _ Coast Prairie Redox (A16) (LRR F, G, H) _Dark Surface (S7) (LRR G) High Plains Depressions (F16) (LRR H outside of MLRA 72 & 73) _ Reduced Vertic (F18) Red Parent Material (TF2) Very Shallow Dark Surface (TF12) _ Other (Explain in Remarks) ;Indicators of hydrophytic vegetation and wetland hydrology must be present, unless disturbed or problematic. Restrictive Layer (if present): Type: Hard ground Hydric Soil Present? Yes No X Depth (inches): 12 Remarks: HYDROLOGY Wetland Hydrology Indicators: Primary Indicators (minimum of one is required; check all that apply) Secondary Indicators (minimum of two required) Surface Water (Al) _ Salt Crust (611) _ Surface Soil Cracks (86) _ High Water Table (A2) _Aquatic Fauna (B13) X Sparsely Vegetated Concave Surface (B8) _ Saturation (A3) Hydrogen Sulfide Odor (Cl)(C1) Drainage Patterns (B10) _WaterMarks (B1) __ Dry -Season Water Table (C2) Oxidized Rhizospheres on Living Roots (C3) _ Sediment Deposits (82) _ Oxidized Rhizospheres on Living Roots (C3) (where tilled) Drift Deposits (B3) (where not tilled) _ Crayfish Burrows (C8) Algal Mat or Crust (B4) Presence of Reduced Iron (C4) X Saturation Visible on Aerial Imagery (C9) Thin Muck Surface (C7) Geomorphic Position (D2) _Iron Deposits (B5) __ Inundation Visible on Aerial Imagery (B7) Other (Explain in Remarks) FAC-Neutral Test (D5) — — Water -Stained Leaves (89) Frost -Heave Hummocks (D7) (LRR F) Field Observations: Surface Water Present? Yes No X Depth (inches) Wetland Hydrology Present? Yes X No Water Table Present? Yes No X Depth (inches) Saturation Present? Yes No X Depth (inches) (includes capillary fringe) Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: rmy t:orps of tngineers Great Plains - Version 2.0 Wetland Determination Data Form - Great Plains Region Project/Site: Hookside Compressor Station Applicant/Owner: Cureton Midstream City/County: Weld County Sampling Date: 12/12/2018 Investigator(s): P. Koutelas Landform (hillshope, terrace, etc.): Depression Subregion (LRR): H Soil Map Unit Name: Playas Are climatic / hydrologic conditions on the site typical for this time of year? Yes X No (If no, explain in Remarks) Are Vegetation , Soil , or Hydrology significantly disturbed? Are "Normal Circumstances" present? Yes X No Are Vegetation , Soil , or Hydrology naturally problematic? (If needed, explain any answers in Remarks.) SUMMARY OF FINDINGS - Attach site map showing sampling point locations, transects, important features, etc. State: CO Sampling Point: SP2 Section, Township, Range: 30, 9N, 60W Local relief (concave, convex, none): Concave Slope (%): 3 Lat: 40.713117 Long: -104.135462 Datum: UTM83 NWI classification: PEM1A Hydrophytic Vegetation Present? Yes X No Is the Sampled Area within a Wetland? Yes No X Hydric Soil Present? Yes No X Wetland Hydrology Present? Yes X No Remarks: Recommend a delineation in the growing season to more accurately depict conditions VEGETATION - Use scientific names of plants. Tree Stratum (Plot size: 30' ) Absolute % Cover Dominant Species'? Indicator Status Dominance Test worksheet: Number of Dominant Species That Are OBL, FACW, or FAC (excluding (A) 1. 2. FAC-): Total Number of Dominant Species Across All Strata: (B) 3. 4. 5. Percent of Dominant Species That Are OBL, FACW, or FAC: (A/B) Sapling/Shrub Stratum Plot size: = Total Cover 15' ) 1. 2. Prevalence Index worksheet: Total % Cover of: Multiply by: 3. 4. OBL species x 1 = 5. FACW species x 2 = Herb Stratum (Plot size: 5' ) = Total Cover X UNK FAC species x 3 = 15 FACU species x 4 = 1. Unknown grass species, dead UPL species x 5 = 2. Salsola kali 5 X FACU Column Totals: (A) (B) 3. Prevalence Index = B/A = 4. 5. Hydrophytic Vegetation Indicators: 1 - Rapid Test for Hydrophytic Vegetation — 2 - Dominance Test is >50% 3 - Prevalence Index is <3.0' X 4 - Morphological Adaptations' (Provide supporting data — in Remarks or on a separate sheet) Problematic Hydrophytic Vegetation' (Explain) 'Indicators of hydric soil and wetland hydrology must be present, unless disturbed or problematic. 6. 7. a. 9. 10. Woody Vine Stratum (Plot size: 30' 20 = Total Cover ) 1. 2. % Bare Ground in Herb Stratum 80% = Total Cover Hydrophytic Vegetation Yes X No Present? Remarks: Lack of vegetation likely due to ponding US Army Corps of Engineers Great Plains - Version 2.0 SOIL Sampling Point: SP2 Profile Description: (Describe to the depth needed to document the indicator or confirm the absence Depth Matrix Redox Features of indicators.) Texture Remarks (inches) Color (moist) % Color (moist) % Type' Loc` 0-18 10YR 3/2 100 - - - - Loam 'Type: C=Concentration, D=Depletion, RM=Reduced Matrix, CS=Covered or Coated Sand Grains. 2Location: PL=Pore Lining, M=Matrix Hydric Soil Indicators: (Applicable to LRRs, unless otherwise noted.) Histosol (A1) Sandy Gleyed Matrix (S4) Histic Epipedon (A2) _ Sandy Redox (S5) Black Histic (A3) Stripped Matrix (S6) Hydrogen Sulfide (A4) Loamy Mucky Mineral (F1) Stratified Layers (A5) (LRR F) Loamy Gleyed Matrix (F2) 1 cm Muck (A9) (LRR F, G, H) Depleted Matrix (F3) Depleted Below Dark Surface (A11) Redox Dark Surface (F6) Thick Dark Surface (Al2) Depleted Dark Surface (F7) _Sandy Mucky Mineral (S1) _Redox Depressions (F8) 2.5 cm Mucky Peat or Peat (S2) (LRR G, H) _High Plains Depressions (F16) 5 cm Mucky Peat or Peat (S3) (LRR F) (MLRA 72 & 73 of LRR H) Indicators for Problematic Hydric Soils3: 1 cm Muck (A9) (LRR I, J) _ Coast Prairie Redox (A16) (LRR F, G, H) Dark Surface (S7) (LRR G) High Plains Depressions (F16) (LRR H outside of MLRA 72 & 73) Reduced Vertic (F18) Red Parent Material (TF2) Very Shallow Dark Surface (TF12) _Other (Explain in Remarks) 3lndicators of hydrophytic vegetation and wetland hydrology must be present, unless disturbed or problematic. Restrictive Layer (if present): Type: Hydric Soil Present? Yes No X Depth (inches): Remarks: HYDROLOGY Wetland Hydrology Indicators: Primary Indicators (minimum of one is required; check all that apply) Secondary Indicators (minimum of two required) Surface Water (Al) Salt Crust (B11) Surface Soil Cracks (B6) High Water Table (A2) Aquatic Fauna (B13) X Sparsely Vegetated Concave Surface (B8) _Saturation (A3) Hydrogen Sulfide Odor (Cl) Drainage Patterns (B10) Water Marks (B1) Dry -Season Water Table (C2) Oxidized Rhizospheres on Living Roots (C3) Sediment Deposits (B2) Oxidized Rhizospheres on Living Roots (C3) (where tilled) Drift Deposits (B3) (where not tilled) Crayfish Burrows (C8) Algal Mat or Crust (B4) Presence of Reduced Iron (C4) X Saturation Visible on Aerial Imagery (C9) Iron Deposits (B5) Thin Muck Surface (C7) Geomorphic Position (D2) Inundation Visible on Aerial Imagery (B7) Other (Explain in Remarks) FAC-Neutral Test (D5) Water -Stained Leaves (B9) Frost -Heave Hummocks (D7) (LRR F) Field Observations: Surface Water Present? Yes No X Depth (inches) Wetland Hydrology Present? Yes X No Water Table Present? Yes No X Depth (inches) Saturation Present? Yes No X Depth (inches) (includes capillary fringe) Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available: Remarks: rmy corps of ngineers Great Plains - Version 2.0 ATTACHMENT B IPaC Query Results United States Department of the Interior FISH AND WILDLIFE SERVICE Colorado Ecological Services Field Office Denver Federal Center P.O. Box 25486 Denver, CO 80225-0486 Phone: (303) 236-4773 Fax: (303) 236-4005 http://www.fws.gov/coloradoES http://www.fws.gov/platteriver In Reply Refer To: Consultation Code: 06E24000-2019-SLI-0267 Event Code: 06E24000 -2019-E-00917 Project Name: Cureton Midstream Hookside Compressor Station December 13, 2018 Subject: List of threatened and endangered species that may occur in your proposed project location, and/or may be affected by your proposed project To Whom It May Concern: The enclosed species list identifies threatened, endangered, proposed and candidate species, as well as proposed and fmal designated critical habitat, that may occur within the boundary of your proposed project and/or may be affected by your proposed project. The species list fulfills the requirements of the U.S. Fish and Wildlife Service (Service) under section 7(c) of the Endangered Species Act (Act) of 1973, as amended (16 U.S.C. 1531 et seq.). New information based on updated surveys, changes in the abundance and distribution of species, changed habitat conditions, or other factors could change this list. Please feel free to contact us if you need more current information or assistance regarding the potential impacts to federally proposed, listed, and candidate species and federally designated and proposed critical habitat. Please note that under 50 CFR 402.12(e) of the regulations implementing section 7 of the Act, the accuracy of this species list should be verified after 90 days. This verification can be completed formally or informally as desired. The Service recommends that verification be completed by visiting the ECOS-IPaC website at regular intervals during project planning and implementation for updates to species lists and information. An updated list may be requested through the ECOS-IPaC system by completing the same process used to receive the enclosed list. The purpose of the Act is to provide a means whereby threatened and endangered species and the ecosystems upon which they depend may be conserved. Under sections 7(a)(1) and 7(a)(2) of the Act and its implementing regulations (50 CFR 402 et seq.), Federal agencies are required to utilize their authorities to carry out programs for the conservation of threatened and endangered 12/13/2018 Event Code: 06E24000 -2019-E-00917 2 species and to determine whether projects may affect threatened and endangered species and/or designated critical habitat. A Biological Assessment is required for construction projects (or other undertakings having similar physical impacts) that are major Federal actions significantly affecting the quality of the human environment as defined in the National Environmental Policy Act (42 U.S.C. 4332(2) (c)). For projects other than major construction activities, the Service suggests that a biological evaluation similar to a Biological Assessment be prepared to determine whether the project may affect listed or proposed species and/or designated or proposed critical habitat. Recommended contents of a Biological Assessment are described at 50 CFR 402.12. If a Federal agency determines, based on the Biological Assessment or biological evaluation, that listed species and/or designated critical habitat may be affected by the proposed project, the agency is required to consult with the Service pursuant to 50 CFR 402. In addition, the Service recommends that candidate species, proposed species and proposed critical habitat be addressed within the consultation. More information on the regulations and procedures for section 7 consultation, including the role of permit or license applicants, can be found in the "Endangered Species Consultation Handbook" at: http://www.fws.gov/endangered/esa-library/pdf/TOC-GLOS.PDF Please be aware that bald and golden eagles are protected under the Bald and Golden Eagle Protection Act (16 U.S.C. 668 et seq.), and projects affecting these species may require development of an eagle conservation plan (http://www.fws.gov/windenergy/ eagle_guidance.html). Additionally, wind energy projects should follow the wind energy guidelines (http://www.fws.gov/windenergy/) for minimizing impacts to migratory birds and bats. Guidance for minimizing impacts to migratory birds for projects including communications towers (e.g., cellular, digital television, radio, and emergency broadcast) can be found at: http:// www.fws.gov/migratorybirds/CurrentBirdIssues/Hazards/towers/towers.htm; http:// www.towerkill.com; and http://www.fws.gov/migratorybirds/CurrentBirdIssues/Hazards/towers/ comtow.html. We appreciate your concern for threatened and endangered species. The Service encourages Federal agencies to include conservation of threatened and endangered species into their project planning to further the purposes of the Act. Please include the Consultation Tracking Number in the header of this letter with any request for consultation or correspondence about your project that you submit to our office. Attachment(s): • Official Species List • USFWS National Wildlife Refuges and Fish Hatcheries • Migratory Birds • Wetlands 12/13/2018 Event Code 06E24000 -2019-E-00917 1 ffscial la es List This list is provided pursuant to Section 7 of the Endangered Species Act, and fulfills the requirement for Federal agencies to "request of the Secretary of the Intenor information whether any species which is listed or proposed to be listed may be present in the area of a proposed action" This species list is provided by Colorado Ecological Services Field Office Denver Federal Center P O Box 25486 Denver, CO 80225-0486 (303) 236-4773 12/13/2018 Event Code: 06E24000 -2019-E-00917 2 Project Summary Consultation Code: 06E24000-2019-SLI-0267 Event Code: 06E24000 -2019-E-00917 Project Name: Cureton Midstream Hookside Compressor Station Project Type: OIL OR GAS Project Description: Proposed compressor station location Project Location: Approximate location of the project can be viewed in Google Maps: https:// www.google.com/maps/place/40.714474718207384N 104.13455427471209W Counties: Weld, CO 12/13/2018 Event Code: 06E24000 -2019-E-00917 3 Endangered Species Act Species There is a total of 8 threatened, endangered, or candidate species on this species list. Species on this list should be considered in an effects analysis for your project and could include species that exist in another geographic area. For example, certain fish may appear on the species list because a project could affect downstream species. Note that 5 of these species should be considered only under certain conditions. IPaC does not display listed species or critical habitats under the sole jurisdiction of NOAA Fisheriesl, as USFWS does not have the authority to speak on behalf of NOAA and the Department of Commerce. See the "Critical habitats" section below for those critical habitats that lie wholly or partially within your project area under this office's jurisdiction. Please contact the designated FWS office if you have questions. 1. NOAA Fisheries, also known as the National Marine Fisheries Service (NMFS), is an office of the National Oceanic and Atmospheric Administration within the Department of Commerce. 12/13/2018 Event Code: 06E24000 -2019-E-00917 4 Birds NAME Least Tern Sterna antillarum Population: interior pop. No critical habitat has been designated for this species. This species only needs to be considered under the following conditions: • Water -related activities/use in the N. Platte, S. Platte and Laramie River Basins may affect listed species in Nebraska. Species profile: https://ecos.fws.gov/ecp/species/8505 Mexican Spotted Owl Strix occidentalis lucida There is final critical habitat for this species. Your location is outside the critical habitat. Species profile: https://ecos.fws.gov/ecp/species/8196 Piping Plover Charadrius melodus Population: [Atlantic Coast and Northern Great Plains populations] - Wherever found, except those areas where listed as endangered. There is final critical habitat for this species. Your location is outside the critical habitat. This species only needs to be considered under the following conditions: • Water -related activities/use in the N. Platte, S. Platte and Laramie River Basins may affect listed species in Nebraska. Species profile: https://ecos.fws.gov/ecp/species/6039 Whooping Crane Grus americana Population: Wherever found, except where listed as an experimental population There is final critical habitat for this species. Your location is outside the critical habitat. This species only needs to be considered under the following conditions: - Water -related activities/use in the N. Platte, S. Platte and Laramie River Basins may affect listed species in Nebraska. Species profile: https://ecos.fws.gov/ecp/species/758 Fishes NAME Pallid Sturgeon Scaphirhynchus albus No critical habitat has been designated for this species. This species only needs to be considered under the following conditions: • Water -related activities/use in the N. Platte, S. Platte and Laramie River Basins may affect listed species in Nebraska. Species profile: https://ecos.fws.gov/ecp/species/7162 STATUS Endangered Threatened Threatened Endangered STATUS Endangered 12/13/2018 Event Code: 06E24000 -2019-E-00917 5 Flowering Plants NAME Colorado Butterfly Plant Gaura neomexicana var. coloradensis There is final critical habitat for this species. Your location is outside the critical habitat. Species profile: https://ecos.fws.gov/ecp/species/6110 Ute Ladies' -tresses Spiranthes diluvialis No critical habitat has been designated for this species. Species profile: https://ecos.fws.gov/ecp/species/2159 Western Prairie Fringed Orchid Platanthera praeclara No critical habitat has been designated for this species. This species only needs to be considered under the following conditions: • Water -related activities/use in the N. Platte, S. Platte and Laramie River Basins may affect listed species in Nebraska. Species profile: https://ecos.fws.gov/ecp/species/1669 Critical habitats STATUS Threatened Threatened Threatened THERE ARE NO CRITICAL HABITATS WITHIN YOUR PROJECT AREA UNDER THIS OFFICE'S JURISDICTION. 12/13/2018 Event Code: 06E24000 -2019-E-00917 1 USFWS National Wildlife Refuge Lands And Fish Hatcheries Any activity proposed on lands managed by the National Wildlife Refuge system must undergo a 'Compatibility Determination' conducted by the Refuge. Please contact the individual Refuges to discuss any questions or concerns. THERE ARE NO REFUGE LANDS OR FISH HATCHERIES WITHIN YOUR PROJECT AREA. 12/13/2018 Event Code: 06E24000 -2019-E-00917 1 Migratory Birds Certain birds are protected under the Migratory Bird Treaty Actl and the Bald and Golden Eagle Protection Act2. Any person or organization who plans or conducts activities that may result in impacts to migratory birds, eagles, and their habitats should follow appropriate regulations and consider implementing appropriate conservation measures, as described below. 1. The Migratory Birds Treaty Act of 1918. 2. The Bald and Golden Eagle Protection Act of 1940. 3. 50 C.F.R. Sec. 10.12 and 16 U.S.C. Sec. 668(a) The birds listed below are birds of particular concern either because they occur on the USFWS Birds of Conservation Concern (BCC) list or warrant special attention in your project location. To learn more about the levels of concern for birds on your list and how this list is generated, see the FAQ below. This is not a list of every bird you may find in this location, nor a guarantee that every bird on this list will be found in your project area. To see exact locations of where birders and the general public have sighted birds in and around your project area, visit the E -bird data mapping tool (Tip: enter your location, desired date range and a species on your list). For projects that occur off the Atlantic Coast, additional maps and models detailing the relative occurrence and abundance of bird species on your list are available. Links to additional information about Atlantic Coast birds, and other important information about your migratory bird list, including how to properly interpret and use your migratory bird report, can be found below. For guidance on when to schedule activities or implement avoidance and minimization measures to reduce impacts to migratory birds on your list, click on the PROBABILITY OF PRESENCE SUMMARY at the top of your list to see when these birds are most likely to be present and breeding in your project area. NAME Burrowing Owl Athene cunicularia This is a Bird of Conservation Concern (BCC) only in particular Bird Conservation Regions (BCRs) in the continental USA https://ecos.fws.gov/ecp/species/9737 Golden Eagle Aquila chrysaetos This is a Bird of Conservation Concern (BCC) only in particular Bird Conservation Regions (BCRs) in the continental USA https://ecos.fws.gov/ecp/species/1680 BREEDING SEASON Breeds Mar 15 to Aug 31 Breeds Jan 1 to Aug 31 12/13/2018 Event Code: 06E24000 -2019-E-00917 2 NAME Lark Bunting Calamospiza melanocorys This is a Bird of Conservation Concern (BCC) only in particular Bird Conservation Regions (BCRs) in the continental USA Mccown's Longspur Calcarius mccownii This is a Bird of Conservation Concern (BCC) throughout its range in the continental USA and Alaska. https://ecos.fws.gov/ecp/species/9292 Mountain Plover Charadrius montanus This is a Bird of Conservation Concern (BCC) throughout its range in the continental USA and Alaska. https://ecos.fws.gov/ecp/species/3638 Willet Tringa semipalmata This is a Bird of Conservation Concern (BCC) throughout its range in the continental USA and Alaska. Probability Of Presence Summary BREEDING SEASON Breeds May 10 to Aug 15 Breeds May 1 to Aug 15 Breeds Apr 15 to Aug 15 Breeds Apr 20 to Aug 5 The graphs below provide our best understanding of when birds of concern are most likely to be present in your project area. This information can be used to tailor and schedule your project activities to avoid or minimize impacts to birds. Please make sure you read and understand the FAQ "Proper Interpretation and Use of Your Migratory Bird Report" before using or attempting to interpret this report. Probability of Presence (s) Each green bar represents the bird's relative probability of presence in the 10km grid cell(s) your project overlaps during a particular week of the year. (A year is represented as 12 4 -week months.) A taller bar indicates a higher probability of species presence. The survey effort (see below) can be used to establish a level of confidence in the presence score. One can have higher confidence in the presence score if the corresponding survey effort is also high. How is the probability of presence score calculated? The calculation is done in three steps: 1. The probability of presence for each week is calculated as the number of survey events in the week where the species was detected divided by the total number of survey events for that week. For example, if in week 12 there were 20 survey events and the Spotted Towhee was found in 5 of them, the probability of presence of the Spotted Towhee in week 12 is 0.25. 2. To properly present the pattern of presence across the year, the relative probability of presence is calculated. This is the probability of presence divided by the maximum probability of presence across all weeks. For example, imagine the probability of presence in week 20 for the Spotted Towhee is 0.05, and that the probability of presence at week 12 12/13/2018 Event Code: 06E24000 -2019-E-00917 3 (0.25) is the maximum of any week of the year. The relative probability of presence on week 12 is 0.25/0.25 = 1; at week 20 it is 0.05/0.25 = 0.2. 3. The relative probability of presence calculated in the previous step undergoes a statistical conversion so that all possible values fall between 0 and 10, inclusive. This is the probability of presence score. Breeding Season ( ) Yellow bars denote a very liberal estimate of the time -frame inside which the bird breeds across its entire range. If there are no yellow bars shown for a bird, it does not breed in your project area. Survey Effort (I) Vertical black lines superimposed on probability of presence bars indicate the number of surveys performed for that species in the 1Okm grid cell(s) your project area overlaps. The number of surveys is expressed as a range, for example, 33 to 64 surveys. No Data (—) A week is marked as having no data if there were no survey events for that week. Survey Timeframe Surveys from only the last 1O years are used in order to ensure delivery of currently relevant information. The exception to this is areas off the Atlantic coast, where bird returns are based on all years of available data, since data in these areas is currently much more sparse. SPECIES Burrowing Owl BCC - BCR Golden Eagle BCC - BCR Lark Bunting BCC - BCR Mccown's Longspur BCC Rangewide (CON) Mountain Plover BCC Rangewide (CON) Willet BCC Rangewide (CON) probability of presence breeding season I survey effort — no data JAN FEB MAR APR MAY JUN JUL AUG SEP OCT NOV 1111 1111 a • -- 14 --- -- Additional information can be found using the following links: - - - - - - a 'Ii- DEC • Birds of Conservation Concern http://www.fws.gov/birds/management/managed-species/ birds-of-conservation-concern.php 12/13/2018 Event Code: 06E24000 -2019-E-00917 4 • Measures for avoiding and minimizing impacts to birds http://www.fws.govibirds/ management/project-assessment-tools-and-guidance/ conservation-measures.php • Nationwide conservation measures for birds http://www.fws.gov/migratorybirds/pdf/ management/nationwidestandardconservationmeasures.pdf Migratory Birds FAQ Tell me more about conservation measures I can implement to avoid or minimize impacts to migratory birds. Nationwide Conservation Measures describes measures that can help avoid and minimize impacts to all birds at any location year round. Implementation of these measures is particularly important when birds are most likely to occur in the project area. When birds may be breeding in the area, identifying the locations of any active nests and avoiding their destruction is a very helpful impact minimization measure. To see when birds are most likely to occur and be breeding in your project area, view the Probability of Presence Summary. Additional measures and/or permits may be advisable depending on the type of activity you are conducting and the type of infrastructure or bird species present on your project site. What does IPaC use to generate the migratory birds potentially occurring in my specified location? The Migratory Bird Resource List is comprised of USFWS Birds of Conservation Concern (BCC) and other species that may warrant special attention in your project location. The migratory bird list generated for your project is derived from data provided by the Avian Knowledge Network (AKIN. The AKN data is based on a growing collection of survey, banding, and citizen science datasets and is queried and filtered to return a list of those birds reported as occurring in the 10km grid cell(s) which your project intersects, and that have been identified as warranting special attention because they are a BCC species in that area, an eagle (Eagle Act requirements may apply), or a species that has a particular vulnerability to offshore activities or development. Again, the Migratory Bird Resource list includes only a subset of birds that may occur in your project area. It is not representative of all birds that may occur in your project area. To get a list of all birds potentially present in your project area, please visit the E -bird Explore Data Tool. What does IPaC use to generate the probability of presence graphs for the migratory birds potentially occurring in my specified location? The probability of presence graphs associated with your migratory bird list are based on data provided by the Avian Knowledge Network (AKN). This data is derived from a growing collection of survey, banding, and citizen science datasets . Probability of presence data is continuously being updated as new and better information becomes available. To learn more about how the probability of presence graphs are produced and 12/13/2018 Event Code: 06E24000 -2019-E-00917 5 how to interpret them, go the Probability of Presence Summary and then click on the "Tell me about these graphs" link. How do I know if a bird is breeding, wintering, migrating or present year-round in my project area? To see what part of a particular bird's range your project area falls within (i.e. breeding, wintering, migrating or year-round), you may refer to the following resources: The Cornell Lab of Ornithology All About Birds Bird Guide, or (if you are unsuccessful in locating the bird of interest there), the Cornell Lab of Ornithology Neotropical Birds guide. If a bird on your migratory bird species list has a breeding season associated with it, if that bird does occur in your project area, there may be nests present at some point within the timeframe specified. If "Breeds elsewhere" is indicated, then the bird likely does not breed in your project area. What are the levels of concern for migratory birds? Migratory birds delivered through IPaC fall into the following distinct categories of concern: 1. "BCC Rangewide" birds are Birds of Conservation Concern (BCC) that are of concern throughout their range anywhere within the USA (including Hawaii, the Pacific Islands, Puerto Rico, and the Virgin Islands); 2. "BCC - BCR" birds are BCCs that are of concern only in particular Bird Conservation Regions (BCRs) in the continental USA; and 3. "Non -BCC - Vulnerable" birds are not BCC species in your project area, but appear on your list either because of the Eagle Act requirements (for eagles) or (for non -eagles) potential susceptibilities in offshore areas from certain types of development or activities (e.g. offshore energy development or longline fishing). Although it is important to try to avoid and minimize impacts to all birds, efforts should be made, in particular, to avoid and minimize impacts to the birds on this list, especially eagles and BCC species of rangewide concern. For more information on conservation measures you can implement to help avoid and minimize migratory bird impacts and requirements for eagles, please see the FAQs for these topics. Details about birds that are potentially affected by offshore projects For additional details about the relative occurrence and abundance of both individual bird species and groups of bird species within your project area off the Atlantic Coast, please visit the Northeast Ocean Data Portal. The Portal also offers data and information about other taxa besides birds that may be helpful to you in your project review. Alternately, you may download the bird model results files underlying the portal maps through the NOAA NCCOS Integrative Statistical Modeling and Predictive Mapping of Marine Bird Distributions and Abundance on the Atlantic Outer Continental Shelf project webpage. Bird tracking data can also provide additional details about occurrence and habitat use throughout the year, including migration. Models relying on survey data may not include this information. For additional information on marine bird tracking data, see the Diving Bird Study and the nanotag studies or contact Caleb Spiegel or Pam Loring. 12/13/2018 Event Code: 06E24000 -2019-E-00917 6 What if I have eagles on my list? If your project has the potential to disturb or kill eagles, you may need to obtain a permit to avoid violating the Eagle Act should such impacts occur. Proper Interpretation and Use of Your Migratory Bird Report The migratory bird list generated is not a list of all birds in your project area, only a subset of birds of priority concern. To learn more about how your list is generated, and see options for identifying what other birds may be in your project area, please see the FAQ "What does IPaC use to generate the migratory birds potentially occurring in my specified location". Please be aware this report provides the "probability of presence" of birds within the 10 km grid cell(s) that overlap your project; not your exact project footprint. On the graphs provided, please also look carefully at the survey effort (indicated by the black vertical bar) and for the existence of the "no data" indicator (a red horizontal bar). A high survey effort is the key component. If the survey effort is high, then the probability of presence score can be viewed as more dependable. In contrast, a low survey effort bar or no data bar means a lack of data and, therefore, a lack of certainty about presence of the species. This list is not perfect; it is simply a starting point for identifying what birds of concern have the potential to be in your project area, when they might be there, and if they might be breeding (which means nests might be present). The list helps you know what to look for to confirm presence, and helps guide you in knowing when to implement conservation measures to avoid or minimize potential impacts from your project activities, should presence be confirmed. To learn more about conservation measures, visit the FAQ "Tell me about conservation measures I can implement to avoid or minimize impacts to migratory birds" at the bottom of your migratory bird trust resources page. 12/13/2018 Event Code: 06E24000 -2019-E-00917 1 Wetlands Impacts to NWI wetlands and other aquatic habitats may be subject to regulation under Section 404 of the Clean Water Act, or other State/Federal statutes. For more information please contact the Regulatory Program of the local U.S. Army Corps of Engineers District. Please note that the NWI data being shown may be out of date. We are currently working to update our NWI data set. We recommend you verify these results with a site visit to determine the actual extent of wetlands on site. FRESHWATER EMERGENT WETLAND • PEM1C • PEM1A A ATTACHMENT C Photographs Google •••+.ryyn Looking NE at Project area . 1n ./� . s �--• _ �� - Vii.. loafs y '� '="#.•..� � _'- �.. " Komi 100 Hookside Compressor Station 12/19/2018 08:38:22 ATTACHMENT D Records of Conversation & E -mails Record of Conversation Caller/Recorder: Paige Koutelas, Olsson Environmental, 1880 Fall River Drive, Suite 200, Loveland, CO 80538 Call Recipient: Vernon (Vern) Koehler, District Minerals & Lands Staff, U.S. Forest Service (USFS), Pawnee National Grassland, 115 North 2nd Avenue, P.O. Box 386, Ault, CO 80610, 970-834-9272 Date: December 10, 2018 Subject: Cureton Front Range, LLC (Cureton) Hookside Project (Project) I spoke with Vern Koehler with the USFS yesterday afternoon. Vern is the contact for the Pawnee National Grasslands. He communicated that the Weld County Assessor website is an accurate source for ownership of land parcels, and instructed me to refer to their website to identify the listed parcel owner for the new Hookside Project site. He went on to state that if the parcel is within protected Grasslands, it is owned by the USFS. Gabel Cattle, LLC was the parcel owner of the new Hookside Project site prior to Cureton's purchase of it. The team will have no Grassland issues as long as our Project work stays within our parcel and does not intersect any parcels owned by the USFS. There are no permitting requirements by USFS if we are not within their parcels. As far as the large areas identified as Pawnee National Grasslands on Google Maps that our team has see, Vern said that is the Grassland administrative boundary, but that boundary does not indicate the protective boundaries of the Grasslands. 1 Record of Conversation Caller/Recorder: Jody Glennon, Olsson Project Manager for the Cureton Hookside Project, 1525 Raleigh Street, Suite 400, Denver, CO 80204 Call Recipient: Vernon (Vern) Koehler, District Minerals & Lands Staff, U.S. Forest Service (USFS), Pawnee National Grassland, 115 North 2nd Avenue, P.O. Box 386, Ault, CO 80610, 970-834-9272 Date: December 12, 2018 Subject: Cureton Front Range, LLC (Cureton) Hookside Project (Project) Vern Koehler, USFS, returned an earlier call I had placed to him yesterday and had me walk him through where to access the topographic data I saw on the Weld County Assessor's site. He confirmed the Project site is outside the protected Grasslands boundary. He did note that the key for the topographic maps reverses the Grassland shading between the map boundaries, so in some sections it is white and in others it is gray. Vern appreciated me walking him through that. Vern also noted that as long as the Project is not crossing over into USFS land, the USFS would not have any permitting requirements. He did note that if the Project (i.e., work areas, staging areas, equipment areas, etc.) abuts one of the Grassland boundaries, the USFS may inquire during Weld County's 28 -day referral period about potential impacts from ground disturbance, on -site spills, etc. and how any such impacts will be mitigated. Vern also noted that he would like to be included in Weld County's 28 -day referral period. It sounds like Weld County sometimes refers Grassland referrals to the Bureau of Land Management, Colorado State Office. I committed to sharing Vern's request with Kim Ogle, the Weld County Planner assigned to the Project. 1 Record of Conversation Caller/Recorder: Call Recipient: Date: Jody Glennon, Olsson Project Manager for the Cureton Hookside Project, 1525 Raleigh Street, Suite 400, Denver, CO 80204 Jennifer White, Realty Specialist, Bureau of Land Management (BLM), Colorado State Office, 2850 Youngfield Street, Lakewood, CO 80215 Friday, December 14, 2018 Subject: Cureton Front Range, LLC (Cureton) Hookside Project I contacted Ms. Whiteside in follow-up to an e-mail request Olsson received from Nick Holland, Cureton, on Thursday, December 13, 2018, to reach out to the BLM to discuss USA Lands in the Pawnee National Grasslands and outside of it in Weld County, Colorado, to understand BLM's permitting process and timelines. I apprised Ms. Whiteside of the general nature of Cureton's Hookside Project and provided her the Project location. Ms. Whiteside confirmed that there is not a federal nexus on Cureton's 160 -acre Project site. I then discussed the parcel ownership surrounding Cureton's Project site based on the data available on the Weld County Assessor's website. Ms. Whiteside indicated "USA" ownership depicts anything that is owned by the government/federally held (i.e., the USA owns and manages the mineral rights). "State of Colorado" depicts anything owned by the State (i.e., the State owns the mineral rights). For lands owned by the State of Colorado, permitting would go through the Colorado State Land Board. Ms. Whiteside and I then discussed Weld County's 28 -day referral period for project proponents applying for a Use by Review (USR) Permit. Ms. Whiteside said that BLM oversees federal minerals. BLM is included when Weld County sends notice of proposed private surface use because BLM owns minerals underneath private parcels and is afforded an opportunity for review to see if the proposed private use interferes with minerals. BLM typically reviews all proposed projects that are near or abut their lands even if they are occurring on private lands. Ms. Whiteside said BLM very rarely restricts private use so as to not interfere with mineral development. For Pawnee National Grassland considerations on USA owned lands, the BLM typically forwards referrals they receive from Weld County to the USFS. We then discussed permitting. Again, projects crossing or impacting state-owned lands would need to be discussed with the Colorado State Land Board to identify allowed uses and permitting requirements. Ms. Whiteside noted that it is possible to lease state-owned lands in some cases. Projects affecting Pawnee National Grassland lands would be reviewed and permitted through the U.S. Forest Service (USFS). [Based on Olsson's experience permitting with the USFS, I would anticipate the USFS requiring completion of a Standard Form (SF) -299, Application for Transportation and Utility Systems and Facilities on Federal Lands —Nick, fyi.] For projects proposed to occur on BLM land, a right-of-way (ROW) grant, special use permit, or similar are required for use of public land. These are authorizations to use a specific piece of public land for a specific project, such as pipelines. Permitting requirements and 1 timelines vary depending on the nature of the proposal, location, potential impacts, etc. Ms. Whiteside's department covers permitting (i.e., realty, easements, ROW grants, special use permits, etc.). Ms. Whiteside is happy to answer future permitting questions our team has, and to discuss specific future projects with us. She does not anticipate the BLM having concerns with the Hookside Project. She did say if we were concerned, we could research the General Land Office (GLO) data that can be retrieved at glorecords.blm.gov to look at patents and/or order a title report. 2 From: Jody Glennon <jglennon@olsson.com> Sent: Monday, December 17, 2018 9:44 AM To: Kim Ogle <kogle@weldgov.com> Cc: Nick Holland <nick.holland@curetonmidstream.com>; 'Cole Ones' <cole.ones@curetonmidstream.com>; Jody Glennon <jglennon@olsson.com> Subject: Weld County Pre -Application Update -- Grassland Follow-up Citrix Attachments CO_Keota_1997__geo. pdf CO_Keota_NW_1997_geo.pdf Hookside_ Grassland 2018_1210.kmz Download Attachments Jody Glennon uses Citrix Files to share documents securely. Expires June 15, 2019 14 MB 6.9 MB 61.7 KB Good Morning, Kim. Sorry to have missed your calls this morning (I've been tied up on a few conference calls this am.). Thank you for circling back and confirming that the Hookside Project location is located outside of the Pawnee National Grasslands with Grasslands abutting the Project site to the north and southwest. I know you and Nick reviewed the topo appearing on Weld County's Property Portal (screen capture excerpted below) when you first discussed this. Our GIS staff was able to locate the original topo map — its attached here in two parts. The legend in the topo reflects the grayed out areas as "Non -National Forest system lands within the National Forest Inholdings." I've attached a KMZ that depicts the Grasslands area here, too. in case that's helpful/useful for future reference. I did want to note that in researching this, our team spoke with Vern Koehler with the U.S. Forest Service (USFS) a few times the week of 12/10. Vern is the USFS contact for the Pawnee National Grasslands. His phone number is 970-834-9272. Vern indicated that he'd like to be included in Weld County's 28 - day referral period for this project and I committed to forwarding that request to you. Vern noted that Weld County sometimes refers Grassland inquiries to the Bureau of Land Management (BLM), Colorado State Office. and it sounds like those only sometimes get forwarded to him by BLM. From what I can tell, any government -owned land is reflected as USA -owned land on the Weld County Assessor's website (whether it's Grassland or not) and tied to the BLM, Colorado State Office even when it's USFS Grassland: that may be why Vern is indicating he doesn't always see project referrals for projects occurring near Grasslands. Thanks for all your help on our project! O ., '!104 ,ve"i.'c'us Gam z ''Canw'ct V 3 Select • Assesla Mkt cony a Property aortal Map search • O 6 Seach P •, , Weld County PROPERTY PORTAL • J-554 6 ut�l•. i.i•iti.ly 3ri!•1'.tNv i;f.kYr Advanced tar*.$ leonr teufl3 Rewrct Show Layers Owmc rshp Filter Layers 1001 Urban Imagery 199€ Urban Imagery ▪ Googh Imagery ,P Regional kr age y f Topo *Lavin •I1 National recgrapnr world Stint Map Open Street Map sir 1• '..1,• lrn94 Jody accuse ® a Cwt. Adding Accownt • Parrs! CI Pew tot aa7tapr ta.e toatsasrw X • A V kip 0 02 0 anti Search by Jody Glennon Environmental Planning & Permitting D 303.374.3172 C 720.219.7767 1525 Raleigh St.. Ste. 400 Denver. CO 80204 O 303.237.2072 olsson A$'i Search Oala Sags Follow Us: Facebook / Twitter / Install -am / Linkedln / VouTube View Legal Disclaimer e a Pan ammo tAr s •. It Pr." Ilke.rtrr Pant 0c.taz,tt Tools a Qfool Laoet Weld Couray 1 2018 �y NesrweJp US. tn[ � C.aQyriyl►et: 201 ! National GlO�apltk Sod,. �?' 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ICE0TA, CO 1997 A4Ai10 I.5 QUADRANGLES NINA '.I t. `. a NF SIRES VIM Hookside Gas Plant and Compressor Station Facility Noise Modeling & Mitigation Report April 09, 2019 Prepared for: Olsson 1525 Raleigh St. Ste 400 Denver, CO 80204 Prepared by: Behrens and Associates, Inc. 13806 Inglewood Avenue Hawthorne California, 90250 Andrew Truitt Senior Engineer Jason Peetz Engineering Manager ( tet'h�►t'�it� OII CC: II.1\\tlto1'il:. ('.,!igorili,l lt►rlli;t ti\itts Nurrit LAN I uilti_'t;l+_►llt, �'�?I�►r;t�I�► MCI )�+t7<i(�l. I'oitl,\ i\;in SUU-b79-Mb33 \\\\\\.C11\ lrt.;iltllclItdl-llt►isc-contt-t►I.c'►ill \\ \‘‘\ .11l'il�lll'�;l��i��'�I�tlti l►I.�(�I11 Behrens and Associates. Inc. Environmental Noise Control 1. Introduction The following report provides a preliminary noise modeling assessment of the proposed Hookside Gas Plant and Compressor Station Facility (Facility) to be operated by Cureton Front Range, LLC (Cureton) in relation to the Colorado Revised Statute (CRS) 25-12-103 noise regulations. The noise modeling includes currently proposed mechanical equipment per preliminary project documents provided by Cureton dated 01/25/19. The Facility (40°42'58.93"N, 104°7'53.43"W) is located adjacent to the intersection of Weld County Road 99 and Weld County Road 100 approximately 11.3 miles northeast of Briggsdale, Colorado. The site is bordered by agricultural land to the north, south, east, and west. Figure 1-1 identifies the Facility location. To assess the predicted noise levels of the proposed operations, manufacturer sound level data of the preliminary equipment were used when available. File sound level data previously measured and typical of the equipment was used when manufacturer sound level performance data were not available. The equipment sound level data were used to construct a noise model using SoundPLAN 8.0 software. The following is provided in this report: • A brief introduction of the fundamentals of noise. • A review of the applicable CRS 25-12-103 noise standards. • Discussion of noise modeling methodology and results. Figure 1-1 Cureton Facility Location Introduction Behrens and Associates, Inc. Environmental Noise Control 2. Noise Fundamentals N _ Sound is most commonly experienced by people as pressure waves passing through air. These rapid fluctuations in air pressure are processed by the human auditory system to produce the sensation of sound. The rate at which sound pressure changes occur is called the frequency. Frequency is usually measured as the number of oscillations per second or Hertz (Hz). Frequencies that can be heard by a healthy human ear range from approximately 20 Hz to 20,000 Hz. Toward the lower end of this range are low-pitched sounds, including those that might be described as a "rumble" or "boom". At the higher end of the range are high-pitched sounds that might be described as a "screech" or "hiss". Environmental noise generally derives, in part, from a combination of distant noise sources. Such sources may include common experiences such as distant traffic, wind in trees, and distant industrial or farming activities. These distant sources create a low-level "background noise" in which no particular individual source is identifiable. Background noise is often relatively constant from moment to moment but varies slowly from hour to hour as natural forces (e.g., wind) change or as human activity follows its daily cycle. Superimposed on this low-level, slowly varying background noise is a succession of identifiable noisy events of relatively brief duration. These events may include the passing of vehicles, aircraft flyovers, screeching of brakes, and other short-term events. The presence of these short-term events causes the noise level to fluctuate. Typical indoor and outdoor A -weighted decibel (dBA) sound levels are shown in Figure 2-1. Detailed acoustical definitions have been provided in Appendix A — Glossary of Acoustical Terms. COMMON OUTDOOR SOUND LEVELS B-747-200 Takeoff at 2 mi. Gas Lawn Mower at 3 ft. Diesel Truck at 150 ft. DC -9-30 Takeoff at 2 mi. Noisy Urban Daytime B-757 Takeoff at 2 mi. Commercial Area Quiet Urban Daytime Quiet Urban Nighttime Quiet Suburban Nighttime Quiet Rural Nighttime crivi I NOISE LEVEL COMMON INDOOR dB (A) SOUND LEVELS 110 Rock Band 100 Inside Subway Train (New York) 90 80 70 60 50 40 30 20 10 Food Blender at 3 ft. Garbage Disposal at 3 ft_ Shouting at 3 ft. Vacuum Cleaner at 10 ft. Normal Speech at3ft. Large Business Office Dishwasher Next Room Small Theatre, Large Conference Room (Background) Library Bedroom at Nig Concert Hall (Background Broadcast & Recording Studio 0 Threshold of Hearing Figure 2-1 Typical Indoor and Outdoor A -Weighted Sound Levels Noise Fundamentals 3 Behrens and Associates. Inc. Environmental Noise Control 3. Project Noise Standards NAt N _ The modeling analysis for the Hookside Facility was developed to predict operational noise levels at adjacent properties and verify compliance of operations with the CRS 25-12-103 noise standards. The CRS code establishes permissible sound levels by type of property and hours of the day. The measurement location is defined in Section 25-12-103(1) as, "Sound levels of noise radiating from a property line at a distance of twenty-five feet or more therefrom in excess of the dB(A) established for the following time periods and zones shall constitute prima facie evidence that such noise is a public nuisance". Per Weld County Department of Public Health and Environment, the Facility shall adhere to the maximum permissible noise levels allowed in the Commercial Zone as delineated in CRS 25-12-103. Commercial noise level limits are listed in Table 3-1. The proposed Facility is located within a rural area of Weld County with approximately 1 mile between the proposed site and the nearest occupied structure. Table 3-2 lists the account type of properties within 0.5 mile of the proposed Facility and shows a combination of agricultural and exempt properties. Figure 3-1 shows the location of a Use by Special Review (USR)-permitted oil and gas facility within approximately 1.5 miles of the proposed Facility. That USR, USR Permit #13-0018, is for the Sterling Energy Gas Plant. The Sterling Energy Gas Plant is a facility of similar design and operational intent to the proposed Hookside Facility and according to the USR permit issued for it, is held to Industrial Noise Limits. Table 3-1. Colorado Noise Related Statute 25-12-103 (1) — Maximum Permissible Noise Levels Zone 7:00 Maximum am to next Noise (dBA) 7:00 pm Maximum Noise 7:00 pm to next (dBA) 7:00 am Residential 55 50 Commercial 60 55 Light Industrial 70 65 Industrial 80 75 Project Noise Standards 4 Behrens and Associates. Inc. Environmental Noise Control Table 3-2. Property Use Within 0.5 miles of the Proposed Hookside Facility Parcel # Property Owner Address Account Type 46729000008 Clinton Neil Bashor 41455 Briggsdale, CR CO 106 80611 Agricultural 46729000009 USA 2850 Lakewood, Youngfield CO St. 80215 Exempt 46730000001 Gabel Cattle LLC Galeton, PO BOX 717 CO 80622 Agricultural 467 30000002 Gabel Cattle LLC Galeton, PO BOX 717 CO 80622 Agricultural 46730000010 Gabel Cattle LLC Galeton, PO BOX 717 CO 80622 Agricultural 46731000003 USA 2850 Lakewood, Youngfield CO 80215 St. Exempt 46731000004 Scott Adams 23511 Fargo, State OK Highway 73 840 15 Agricultural 46731000005 Shable Homestead LLC 12701 Milliken, State Highway CO 80543 60 Agricultural 46525000003 Michael Krier 6001 Greely, W 21' CO Street 80634 Agricultural 46525300002 Sterling Investments Energy LLC Rowlett, 1900 Dalrock TX 75088 Rd Commercial 46536000006 State of Colorado 1127 N Denver, Sherman CO St. 80203 STE 300 Exempt Project Noise Standards 5 Behrens and Associates. Inc. Environmental Noise Control J" Figure 3-1 Weld County GIS Property Portal Imagery Project Noise Standards 6 Behrens and Associates. Inc. Environmental Noise Control N _ 4. Hookside Project Noise Modeling and Mitigation 4.1 Noise Modeling Methodology The noise modeling was completed with three-dimensional computer noise modeling software. All models in this report were developed with SoundPLAN 8.0 software using the International Organization for Standardization (ISO) 9613-2 standard. Noise levels are predicted based on the locations, noise levels, and frequency spectra of the noise sources, and the geometry and reflective properties of the local terrain, buildings, and barriers. SoundPLAN 8.0 software simulates light downwind conditions in all directions to generate conservative assessments. The predicted noise levels represent only the contribution of the proposed Facility operations and do not include ambient noise or noise from other facilities. Actual field sound level measurements may vary from the modeled noise levels due to other noise sources such as traffic, other facilities, other human activity, or environmental factors. The predicted preliminary modeling results are based on equipment orientation as indicated per Cureton Drawing Number HSGP-PP-050-REV 1-25-19 Facility documentation (see Figure 4-1). Sound level data used in this study was sourced from manufacturer data when available and calculated otherwise. 'Due to the preliminary nature of the mechanical equipment list, this noise modeling study is limited in scope to major mechanical equipment such as large compressors and coolers. The sizes, specifications, and manufacturers of the modeled equipment was coordinated with Cureton and chosen to be a conservative estimate at this stage of the project design. Table 4-1 lists the modeled equipment for the facility. The modeling results are inclusive of the mechanical equipment listed in Table 4-1 only. Figure 4-1 shows the Facility plot plan and mechanical equipment layouts utilized in this study. Calculated sound level data derived from prediction equations referenced from Bies, D. and Hansen, C. (1996) Engineering Noise Control -- Theory and Practice. 2nd Edition, London: E & FN Spon Hookside Project Noise Modeling and Mitigation 7 Behrens and Associates, Inc. Environmental Noise Control N _ Table 4-1 Equipment Modeled for Hookside Facility Quantity Equipment Proposed Equipment Data Source Source Power (Lw Sound dBA) Level Type 8 Refrigeration Compressors 1600 HP AC Drive Calculated Data 95.4 8 Compressor Refrigeration Coolers AXH 156-2ZF Manufacturer Data 100.1 4 Residue (200 MMSCFD Compressors 5000 AC Drive Calculated Data 101.4 HP Train) 3 Residue (60 MMSCFD Compressors Train) 3000 HP AC Drive Calculated Data 98.4 1 Residue (20 MMSCFD Compressors Train) 3000 HP AC Drive Calculated Data 98.4 8 Residue Compressor Coolers AXH 156-2ZF Manufacturer Data 100.1 4 Inlet Compressor CAT 3606 Engine Noise Manufacturer Data 125.7 4 Inlet Compressor CAT Exhaust Grade 3 606 — Engine Hospital Manufacturer Data 97.3 Silencer 4 Inlet Compressor Cooler AXH 156EH Manufacturer Data 100.2 1 HREC NA Calculated Data 93.0 1 Flare 150 ft. Zeeco Calculated Data 103.2 4 Recycle Compressors 5000 HP AC Drive Calculated Data 101.4 4 Recycle Compressor Coolers AXH 156-2ZF Manufacturer Data 100.1 2 Stabilizer Coolers AXH 156EH Manufacturer Data 100.2 1 Amine Regenerator Cooler AXH 156-2ZF Manufacturer Data 100.1 3 Amine Cooler AXH 156-2ZF Manufacturer Data 100.1 Hookside Project Noise Modeling and Mitigation 8 Behrens and Associates. Inc. Environmental Noise Control 4.2 Noise Sensitive Receptors N _ The noise sensitive receptors for this study were chosen to be consistent with the requirements of the CRS 25-12-103 noise standards. The requirements indicate that sound levels of noise radiating from a property line at a distance of 25 feet or more therefrom in excess of the dBA established for the daytime and nighttime limits as listed in Table 3- 1 shall constitute prima facie evidence that such noise is a public nuisance. As such, receptor locations were chosen at 25 feet from the proposed USR property lines of the Hookside Facility to represent potential regulatory measurement points should a complaint be made. Figure 4-2 shows the dBA noise sensitive receptor locations. Hookside Project Noise Modeling and Mitigation 9 Behrens and Associates, Inc. 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SIM SOS an. e► r•vrrl a'.•- I1JVT'r r -V J►J 1aI ••►► N aPrMr I 1 C i r1 I t r - \ T 1 Figure 4-1 Hookside Facility Plot Plan (Drawing Number HSCP-PP-050-REV 1-25-19) N • Hookside Project Noise Modeling and Mitigation 10 Behrens and Associates, Inc. Environmental Noise Control i Figure 4-2 Noise Sensitive Receptor Locations (dBA) dBA Compliance Assessnnent locations Receptor 1 i Hookside Project Noise Modeling and Mitigation 11 Behrens and Associates. Inc. Environmental Noise Control 4.3 Noise Modeling Results N _ Two noise modeling scenarios were created to investigate and predict the noise levels of the proposed Hookside Facility and are described in Table 4-2. The results of the noise modeling are presented in Table 4-3. The locations in Table 4-3 correspond to the receptor locations identified in Figure 4-2. The results of the noise modeling are also shown as a noise contour map; Figure 4-5 shows the Scenario 1 Noise Contour Map in dBA and Figure 4-6 shows the Scenario 2 Noise Contour Map in dBA. The noise contours are provided in 5-dBA increments with the color scale indicating the sound level of each contour. The numerical and graphical preliminary noise modeling results for Scenario 1 indicate that the proposed operations of the Facility are predicted to exceed the proposed daytime and nighttime Commercial dBA limits at multiple locations by up to 12.8 dBA. As such, an additional scenario was created to investigate potential measures to reduce/mitigate the noise produced from the proposed facility. With implementation of the mitigation measures included in Scenario 2, the numerical and graphical preliminary noise modeling results indicate that the proposed operations of the Facility are predicted to comply with the proposed daytime and nighttime Commercial dBA limits for CRS 25-12-103. Table 4-2 Modeled Scenarios Modeled Scenario Description Scenario l All equipment modeled as compressors, specified compressor per 4-1. coolers, engine silencers, and other Table Scenario 2 equipment housed 4; All with modeled an the modeled within overall as compressors, specified a compressor Sound results Transmission are per compressor Table based building on 4-1. the or Class coolers, The within STC-25 inlet (STC) engine compressors individual rating rating silencers, of being are buildings 25 maintained as and modeled shown per other compressor in per to Figure be fa�ade. 4- Table 4-3 Noise Modeling Results Receptor (as shown Location on 4-2) Location Descri p tion Scenario 1 (dBA) Scenario (dBA) 2 Figure Location 1 25 ft. from North USR Boundary 58.1 51.7 Location 2 25 ft. from East USR Boundary 67.8 50.2 Location 3 25 ft. from South USR Boundary 51.1 44.9 Location 4 25 ft. from West USR Boundary 49.2 47.8 Proposed Level USR Limit Noise 25 ft. boundary from the proposed USR 60.0 Day / 55.0 Night g 60.0 Day / 55.0 y Night g t Note: Since the Facility will operate 24 hours a day and 7 days per week, the nighttime limits are the assumed design limits. Hookside Project Noise Modeling and Mitigation 12 Behrens and Associates, Inc. Environmental Noise Control STC-25 Inlet Compressor Building or Individual Buildings per Compressor with an Overall STC-25 Rating Figure 4-4 Scenario 2 Mitigation Layout (dBA) i 40 MMSCFD INLET COMPRESSION I I I I I I I I 1 I II 1 1 1 I Hookside Project Noise Modeling and Mitigation 13 Figure 4-5 Scenario 1 Noise Contour Map (dBA) Behrens and Associates, Inc. Environmental Noise Control Average Noise Level, Leq dBA = 30.0 = 35.0 = 40.0 = 45.0 = 50.0 = 55.0 = 60.0 = 65.0 = 70.0 = 75.0 = 80.0 = 85.0 = 90.0 0 600 1200 1800 2400 feet Hookside Project Noise Modeling and Mitigation 14 Behrens and Associates, Inc. Environmental Noise Control Figure 4-6 Scenario 2 Noise Contour Map ((IBA) Average Noise Level, Leq dBA = 30.0 = 35.0 40.0 = 45.0 = 50.0 = 55.0 = 60.0 = 65.0 = 70.0 = 75.0 = 80.0 = 85.0 = 90.0 0 600 1200 1800 2400 feet Hookside Project Noise Modeling and Mitigation 15 Behrens and Associates, Inc. Environmental Noise Control 5. Conclusion Predictive noise models were created to represent the proposed operations at the Facility to be operated by Cureton. Mechanical equipment selection and placement was coordinated with Cureton and based upon preliminary design documents dated 01-25-19. Noise sensitive receptor locations included in the models were placed in compliance with the USR application noise standards of CRS 25-12-103. The numerical and graphical preliminary noise modeling results for Scenario 1 indicate that the proposed operations of the Facility are predicted to exceed the proposed daytime and nighttime Commercial dBA limits at multiple locations by up to 12.8 dBA. As such, an additional scenario was created to investigate potential measures to reduce/mitigate the noise produced from the proposed Facility. With implementation of the mitigation measured included in Scenario 2, the numerical and graphical preliminary noise modeling results indicate that the proposed operations of the Facility are predicted to comply with the proposed daytime and nighttime Commercial dBA limits for CRS 25-12-103. Glossary of Acoustical Terms I 16 1b Behrens and Associates, Inc. Environmental Noise Control Appendix A - Glossary of Acoustical Terms Glossary of Acoustical Terms 17 Behrens and Associates, Inc. Environmental Noise Control Ambient Noise The all -encompassing noise associated with a given environment at a specified time, usually a composite of sound from many sources both near and far. Average Sound Level See Equivalent -Continuous Sound Level. A -Weighted Decibel Scale or dBA The human ear is more sensitive to some sound frequencies than others. It is therefore common practice to apply a filter to measured sound levels to approximate the frequency sensitivity of the human ear. One such filter is called the A -weighted decibel scale which emphasizes sounds between 1,000 and 5,000 Hertz by discounting the frequencies outside of this range. As the human ear is less sensitive to low frequency noise, the A -weighted decibel scale begins to increasingly discount noise below 500 Hertz. Measurements conducted utilizing the A -weighted decibel scale are denoted with an "(A)" or "A" after the decibel abbreviation (i.e., dBA). The A -weighted scale is nearly universally used when assessing noise impact on humans. Direct Sound Sound that reaches a given location in a direct line from the source without any reflections. Divergence The spreading of sound waves from a source in a free field, resulting in a reduction in sound pressure level with increasing distance from the source. Energy Basis This refers to the procedure of summing or averaging sound pressure levels on the basis of their squared pressures. This method involves the conversion of decibels to pressures, then performing the necessary arithmetic calculations, and finally changing the pressure back to decibels. Equivalent -Continuous Sound Level (Leq) The average sound level measured over a specified time period. It is a single -number measure of time - varying noise over a specified time period. It is the level of a steady sound that, in a stated time period and at a stated location, has the same A -Weighted sound energy as the time -varying sound. For example, a person who experiences an Leq of 60 dB(A) for a period of 10 minutes standing next to a busy street is exposed to the same amount of sound energy as if he had experienced a constant noise level of 60 dB(A) for 10 minutes rather than the time -varying traffic noise level. It is measured in decibels, dB. Fast Response A setting on the sound level meter that determines how sound levels are averaged over time. A fast sound level is always more strongly influenced by recent sounds, and less influenced by sounds occurring in the distant past, than the corresponding slow sound level. For the same non -steady sound, the maximum fast sound level is generally greater than the corresponding maximum slow sound level. Fast response is typically used to measure impact sound levels. Glossary of Acoustical Terms 18 Behrens and Associates, Inc. Environmental Noise Control Field Impact Insulation Class (FIIC) A single number rating similar to the impact insulation class except that the impact sound pressure levels are measured in the field. Field Sound Transmission Class (FSTC) A single number rating similar to sound transmission class except that the transmission loss values used to derive this class are measured in the field. Flanking Sound Transmission The transmission of sound from a room in which a source is located to an adjacent receiving room by paths other than through the common partition. Also, the diffraction of noise around the ends of a barrier. Frequency The number of oscillations per second of a sound wave Noise Reduction The difference in sound pressure level between any two points. Point Source A source that radiates sound as if from a single point. Receiver A person (or persons) or equipment which is affected by noise. Reflected Sound Sound that persists in an enclosed space as a result of repeated reflections or scattering. It does not include sound that travels directly from the source without reflections. Sound A physical disturbance in a medium (e.g., air) that is capable of being detected by the human ear. Sound Power Level (Lw) A physical measure of the amount of power a sound source radiates into the surrounding air. It is measured in decibels. Sound Pressure Level (Lp) A physical measure of the magnitude of a sound. It is related to the sound's energy. The terms sound pressure level and sound level are often used interchangeably. Sound Transmission Class (STC) A single number rating used to compare the sound insulation properties of walls, floors, ceilings, windows, or doors. This rating is designed to correlate with subjective impressions of the ability of building elements to reduce the overall loudness of speech, radio, television, and similar noise sources in offices and buildings. Glossary of Acoustical Terms Behrens and Associates, Inc. Environmental Noise Control Source Room A room that contains a noise source or sources Spectrum The spectrum of a sound wave is a description of its resolution into components, each of different frequency and usually different amplitude. White Noise Noise that has approximately equal intensities at all frequencies. Glossary of Acoustical Terms 20 HOOKSIDE CAS PLANT AND COMPRESSOR STATION FACILITY NOXIOUS WEED MANAGEMENT PLAN GURETON MIDSTREAM Prepared for: Cureton Front Range, LLC 518 17th Street, Suite 1450 Denver, Colorado 80202 Prepared by: Olsson 1880 Fall River Drive Suite 200 Loveland, Colorado 80538 April 2019 %.7 CURET0N MIDSTREAM TABLE OF CONTENTS Hookside Gas Plant and Compressor Station Facility `i„{io ' 9ec/ lanage -tent P/an 1. Introduction 1 1.1. Site Location and Description 1 1.2. Noxious Weed Management Plan Objectives and Goals 1 1.3. Soil Types 2 1.4. Geology and Hydrology 3 1.5. Climate 3 1.6. Seed Mix 3 2. Regulatory Requirements for Noxious Weed Management 4 2.1. Noxious Weed Identification 5 2.2. Weed Identification and Management Resources 5 2.3. Enforcement 5 3. Noxious Weed Control Measures 7 3.1. Noxious Weed Prevention 7 3.2. Weed Management and Control 8 3.3. Weed Control Timing 10 3.4. Perimeter Buffer and Invasive Species Management 11 4. Summary 11 LIST OF FIGURES Figure 1 Site Location Map (Topographic) Figure 2 Site Location Map (Aerial) LIST OF TABLES Table 1 Table 2 Table 3 Bureau of Land Management Recommended Seed Mix List A — Noxious Weeds for Eradication List B — Noxious Weed Species APPENDIX Appendix Site Photographs ii ®CUREI0N MIDSTREAM ACRONYMS Hookside Gas Plant and Compressor Station Facility Act Colorado Noxious Weed Act bgs below ground surface BOCC Board of County Commissioners C.R.S. Colorado Revised Statutes Cureton Cureton Front Range, LLC NRCS Natural Resource Conservation Service NWI National Wetland Inventory Project Hookside Gas Plant and Compressor Station Facility USR Use by Special Review WCR Weld County Road iii V CURET0N MIDSTREAM 1. INTRODUCTION Hookside Gas Plant and Compressor Station Facility Cureton Front Range, LLC (Cureton) retained Olsson to prepare this Noxious Weed Management Plan for the Hookside Gas Plant and Compressor Station Facility (Project). Cureton is in the process of expanding its operations in Weld County, Colorado. A Use by Special Review (USR) Permit application and associated documentation was submitted to Weld County in December 2018 to obtain a USR permit for the construction of three cryogenic plant trains: (1) a 20 -million standard cubic foot per day (MMscfd) train, (2) a 60-MMscfd train, and (3) a 200-MMscfd train, and a 60-MMscfd compressor station. Ground disturbance during Project construction activities and reclamation activities post construction have the potential to introduce noxious weeds to the site. 1.1. Site Location and Description Figures 1 and 2 present topographic and aerial overviews of the Project site. The proposed Project site is located in the Southeast Quarter of Section 30, Township 9 North, Range 60 West, of the 6th Principal Meridian, near the intersection of Weld County Road (WCR) 99 and WCR 100, west of the town of Keota, Colorado. The Project is located in a remote rural area of Weld County with gently rolling to nearly flat terrain (see Project site photographs included in Appendix). Surrounding land use is for livestock grazing and agriculture, wildlife, and for oil and gas exploration and production. There is one playa area that has been mapped by the National Wetlands Inventory (NWI) as a freshwater emergent wetland in the southwest corner of the Project site. 1.2. Noxious Weed Management Plan Objectives and Goals The primary purpose of this Noxious Weed Management Plan is to recommend measures to prevent the introduction of noxious weeds on the Project site and prevent noxious weeds from becoming established in disturbed areas cleared in preparation for Project construction. The key objectives of this Noxious Weed Management Plan are to: • Present a Project site -specific Noxious Weed Management Plan to prevent the introduction of noxious weeds and control the growth of noxious weeds at the Project site; • Meet the objectives of the Colorado Noxious Weed Act and Section 15, Article 1 — Noxious Weed Management Enforcement Policy, and Article 2 — Noxious Weeds Enforcement of Plan, of the Weld County Colorado Charter and County Code; • Identify an integrated weed management approach for managing activities at the Project site; NV CURET0N MIDSTREAM Hookside Gas Plant and Compressor Station Facility i,lanigefnent Piari • Develop controls specific to noxious weeds listed in Section 15-1-40 of the Weld County Code; and • Develop response actions to noxious weed infestations. The goals of this Noxious Weed Management Plan include the following: • Eradication: Reducing the reproductive success of a noxious weed species or specified noxious weed population. • Containment: Maintaining a managed buffer zone that separates infested areas, where suppression activities prevail, from largely un-infested areas, where eradication activities prevail. • Suppression: Reducing the vigor of noxious weed populations within an infested area, decreasing the prosperity of noxious weeds to spread to surrounding land, and mitigating the negative effects of noxious weed populations on infested land. • Restoration: The removal of noxious weed species and re-establishment of desirable plant communities on lands of significant environmental or agricultural value in order to help restore or maintain value. Olsson personnel visited the Project site on December 12, 2018. Noxious weeds were not observed on the Project site at that time. 1.3. Soil Types According to the Natural Resources Conservation Service (NRCS) Soil Survey of Weld County, Colorado, Northern Part, August 1982, the dominant soil type in Section 30 is the Nunn loam, map unit #40, which occupies 0 to 6 percent slopes. The surface soil is a grayish loam approximately seven inches thick, with a subsoil consisting of clay loam that is 25 inches thick, and a substratum of calcareous clay loam to a depth of 60 inches or more. Permeability of the Nunn soil is slow, and available water capacity is high. The effective rooting depth is 60 inches or more. Runoff is medium and the hazard for water erosion is slight to moderate, while the hazard of blowing is slight. This unit is used as non -irrigated cropland and rangeland. Other soil types in the area include the Olney fine sandy loam, Unit #44, also found on 0 to 6 percent slopes, the Manzanola clay loam, Unit #36, found on 0 to 3 percent slopes, and playas. The potential native plant community on these soil units is mainly blue grama, western wheatgrass, sedges, and buffalograss. The average annual production of air-dry vegetation ranges from 500 pounds to 1,500 pounds. Range seeding is suitable if the range is in poor condition. Plants selected for seeding should meet the seasonal requirements of livestock or wildlife, or both. If the plant cover is disturbed, protection from erosion is needed. ®CURETON MIDSTREAM 1.4. Geology and Hydrology Hooksido Gas Plans Joessor Station Facility According to the Ground Water Atlas of the United States, Segment 2: Arizona, Colorado, New Mexico, and Utah, the surficial and bedrock geology at the Project site is characterized by the Tertiary age White River group and specifically, the Brule Formation. The Brule Formation consists of fine-grained classic rock types including claystone, mudstone, and siltstone, interbedded with freshwater carbonates, volcanic tuff, and sandstone. The Brule Formation overlies the Chadron Formation and together comprise the White River Group. The Chadron Formation consists of clay and silt and forms a confining unit beneath the High Plains aquifer. In areas to the north of the Project site in Weld County, the Brule underlies the Arikaree Formation and the Ogallala Formation which together form the main part of the High Plains aquifer. This area to the north is considered a recharge area for the High Plains aquifer. According to the Colorado Division of Water Resources, the depth to groundwater in the Project area is variable. A livestock well near the proposed Project site has a total depth of 65 feet below ground surface (bgs), and a water well to the west of the Project site was completed with a total depth of 124 feet bgs. 1.5. Climate According to the NRCS Soil Survey for Weld County, the climate in the area is semi -arid to arid, with warm summers and frequent hot days, and periods of very cold weather in winter. The total annual precipitation is 12 inches. Of this, 9 inches, or 75 percent, usually falls in April through September which includes the growing season for most crops. In 2 out of 10 years, the rainfall in April through September is less than 6.5 inches. Most of the precipitation during this time of year occurs as thunderstorms. Thunderstorms occur on 41 days on average each year. During the period from October to March, precipitation is typically in the form of snow storms which can occur as blizzards with high winds and snow drifts that can remain on the ground for many days or weeks. 1.6. Seed Mix The recommended seed mix used for the Project site will include native plant species found in the Pawnee National Grassland that borders the Project site to the north and southwest. This will limit the potential for the introduction of undesirable weed species on the Project site and surrounding parcels. These species are well suited to the climate, require limited maintenance, and out -compete noxious weed species. The seed mix should be certified weed free and include desirable species such as: V CURET0N MIDSTREAM Hookside Gas Plant and Compressor Station Facility ili;xcus Weed ;? n� gerneiit Pisan • Blue grama grass (Boutelou gracilis); • Needle -and -thread grass (Stipa comate); • Sedges; • Western wheatgrass (Pascopyron smithi►); • Buffalo grass (Buchloe dactyloides); • Scarlet globemallow (Sphaeralcea coccinea); • Rocky Mountain beeplant (Cleome serrulata); • Prairie sandreed (Calamovilfa longifolia); • Sand sage (Artemisia filifolia); and • Four -wing saltbush (Atrilex canescens). One seed mix that may be utilized for the Project is the Bureau of Land Management's Recommended Seed Mix included as Table 1. Utilizing that seed mix or a similar seed mix for dryland pasture that is certified weed free will avoid the introduction of noxious weed species and promote the maintenance of a healthy rangeland perimeter. The above seed mix replicates the native grasses on the Project site and surrounding land parcels now and includes a blend of cool and warm season grasses and vegetation, as recommended by Vernon Koehler, District Minerals & Lands Staff, U.S. Forest Service, Pawnee National Grasslands, on February 13, 2019. This is an important consideration with Pawnee National Grasslands near the Project site. 2. REGULATORY REQUIREMENTS FOR NOXIOUS WEED MANAGEMENT The Colorado Noxious Weed Act, Colorado Revised Statutes (C.R.S.) Section 35-5,5-101, et seq. or "Act" states that certain noxious weeds pose a threat to the continued economic and environmental value of the land in the state and that they must be managed by all landowners in the state. The Act states that local governments, cities, and counties are directed to take the necessary steps to manage the noxious weeds in their respective jurisdictions. As a result, Weld County has established a Noxious Weed Management Advisory Board and Noxious Weed Management Enforcement Policy, found in Section 15-1-10, Article 1 — Noxious Weed Management Enforcement Policy, and Article 2 — Enforcement of Plan, under the Weld County Use Code. CURETON MIDSTREAM 2.1. Noxious Weed Identification Hoohside Gas Pi -Ant and Compressor Facility 11) Noxious weeds are plants considered harmful to the environment or animals, especially ones that may be the subject of regulations governing attempts to control them. For the purpose of this Noxious Weed Management Plan, noxious weeds are those plants designated in Section 15-1- 40 of the Weld County Code. A copy of the Weld County Code can be found at: https://library.municode.com/co/weld county/codes/charter and county code?nodeld=CH15V E. Tables 2 and 3 contain the Weld County — Colorado Department of Agriculture List A (Noxious Weeds for Eradication) and List B (Noxious Weed Species), respectively. Plants on List C (Suppression Weed Species) have the potential to be very invasive noxious weeds that can quickly transform an area. Eradication of such species is advised. In Weld County, the focus of List C is on the suppression of field bindweed. 2.2. Weed Identification and Management Resources The following agencies (and websites) provide resources for identifying and managing noxious weeds: • Weld County Public Works Weed Management (https://www.weldgov.com/departments/ public works/weed management); • Colorado Weed Management Association (https://cwma.org/); • Colorado State University Cooperative Extension Service (https://extension.colostate.edu/ topic-areas/agriculture/noxious-weeds-invasive-plant-species/); and • Weed Science Society of America (http://wssa.net/). These agencies and websites provide information on how to recognize noxious weeds and invasive weed species and how to control them. 2.3. Enforcement Pursuant to C.R.S. Section 35-5.5-105(2), the Weld County Public Works Weed Division Supervisor and their employees and agents are designated as "authorized agents" to enforce the Noxious Weed Management Enforcement Policy in unincorporated areas of Weld County by utilizing those procedures set forth in C.R.S. Section 35-5.5-108, and any other applicable state and federal statutes, rules, regulations, and ordinances including the provisions in Chapter 15 of the Weld County Code. Weld County's methods of identification of weed infestation and inspection are described below. V CURET0N MIDSTREAM Hooks1de Gas Plant and Cornpre n Facility • An authorized agent shall have the right to enter upon any premises, lands, or places, whether public or private, during reasonable business hours, for the purpose of inspecting for the existence of a noxious weed infestation when at least one of the following events has occurred: ➢ The landowner or occupant has requested an inspection; ➢ A neighboring landowner or occupant has made a visual inspection from the public right-of-way or area and has reason to believe that a noxious weed infestation exists; and/or ➢ The authorized agent has made a visual inspection from the public right-of-way or area and has reason to believe that a noxious weed infestation exists. • If verbal permission to inspect a site is not obtained from the landowner or occupant and, after notification by certified mail, the landowner or occupant denies access to the authorized agent, the authorized agent may seek an inspection warrant issued by a municipal, county, or district court having jurisdiction over the land, utilizing the procedures set forth in C.R.S. Section 35-5.5-109(2)(b) (Weld County Code Ordinance 2004-9). Cureton is committed to the prevention, control, and eradication of noxious weeds on the Project site and will work with Weld County's Public Works Weed Division Supervisor, employees, and authorized agents to coordinate inspections if one or more of the above conditions are met. Due to potential health and safety considerations during construction and subsequent operation of the Project, if an authorized agent visits the Project site, he/she must: • Wear the required personal protective equipment and sign in at the Project site as required of all visitors and contractors; • Be escorted by a Cureton employee or representative during the inspection; and • Arrange right -of -entry and have right -of -entry approved by Cureton prior to entering the Project site. The authorized agent will first obtain a right -of -entry from the Weld County Board of County Commissioners (BOCC) no less than 10 days after a Notice to Control Identified Noxious Weeds has been sent. Cureton understands that the authorized agent is required to assess the whole cost of such enforcement, including up to 20 percent for inspection and other incidental costs in connection therewith, upon the tract of land where the noxious weeds are located. Notice of such assessment will be mailed to Cureton by certified mail. Failure to pay the assessment or any assessment which is not paid within 33 days after the date of mailing by certified mail to Cureton shall constitute a lien against the Project land until paid and may be certified by resolution of the BOCC to the Weld County Treasurer, to be collected in the %.7 CURETON MIDSTREAM xsitfe G� tics,, id Ccrnpressor Station f=acility e,rPfcin same manner as provided for collection of taxes upon private land in accordance with C.R.S. Section 35-5.5-109(5)(a). Cureton does not waive any of its legal rights to appeal or dispute findings of an inspection. 3. NOXIOUS WEED CONTROL MEASURES The following sections present the control measures to be implemented as part of this Noxious Weed Management Plan. 3.1. Noxious Weed Prevention The most efficient and cost-effective way to control noxious weed infestations is to prevent them from occurring. This requires Cureton to employ an integrated weed management approach, and require that construction equipment brought onsite be clean, and free of existing vegetation, mud, soil, and weed seeds. When construction activities are planned during non -dormant times for weeds, controls will be put in place to prevent noxious weeds and invasive species from becoming established within the disturbed soil areas on the Project site. Cureton will employ best management practices (BMPs) during construction and will adhere to the erosion control BMPs that will be included in the Project -specific Stormwater Management Plan to prevent the erosion of soil (including minimizing the amount of disturbed soil through phased construction). Top soil removed from Project construction areas will be preserved and maintained so that it does not lose the ability to support vegetation. If the top soil will not be used for an extended period, Cureton will consider managing the top soil and planting a temporary cover crop or native grass certified weed -seed free mix in the top soil rather than stockpiling the top soil where it could lose its fertility. Areas of existing vegetation not required to be cleared for construction will be maintained. Since construction of the Project site is proposed in phases, areas of existing vegetation will be cleared only as needed in support of the construction schedule. Disturbed soil areas will be reclaimed with permanent control measures such as hard scape (e.g., gravel) or planted with a seed mix as soon as practicable after the construction activities are completed or as recommended by the seed provider. The selected seed mix will consist of native grasses and plant species, as identified in Section 1.6, and will be certified weed -seed free. Seeding will be performed at prescribed rates and methods. The best times of year to seed are in March (prior to or during heavy wet snow events), and in November after the rain storms and hot temperatures have abated so the seed does not germinate prematurely and die before the grasses go to seed. Use of commercial fertilizers is not recommended as it could burn the native grasses and plants and may serve as a catalyst for weeds to grow within the disturbed soil areas. Watering is not ®CURET0N MIDSTREAM H iakside Oas Plant and Compressor Station Facility expected to be required (and irrigation currently does not occur on the Project site) unless the construction activities occur during the heat of the summer and there is insufficient rainfall to support or sustain germination and growth in the existing seed bed. 3.2. Weed Management and Control Noxious weed management requires planning and implementation of an integrated and coordinated program utilizing a variety of methods for managing noxious weeds. Noxious weed management is specified for two periods: 1) the early plant establishment period, and 2) long- term vegetation maintenance to achieve desirable plant communities. Methods may include, but are not limited to, education, the preventative measures described in Section 3.1, good stewardship, and any of the following techniques: • Biological Management: The use of an organism to disrupt the growth of noxious weeds. • Chemical Management: The use of herbicides or plant growth regulators to disrupt the growth of noxious weeds. • Cultural Management: Methodologies or management practices that favor the growth of desirable plants over noxious weeds, including maintaining an optimum fertility and plant moisture status in an area, planting at an optimum density and spatial arrangement in an area, and planting species that are most suited to that area. • Mechanical Management: Methodologies or management practices that physically disrupt plant growth including tilling, mowing, burning, mulching, hand -pulling, hoeing, and grazing. 3.2.1 Biological Management Biological control of weeds refers to the utilization of an agent, a complex of agents, or biological processes to bring about weed suppression. All forms of microbial and microbial organisms are considered as biological control agents. Examples of biological control agents include arthropods (insects and mites), plant pathogens (fungi, bacteria, viruses, and nematodes), fish, birds, and other animals. Maintaining a healthy rangeland such that native species out -compete invasive species is a form of biological control. Classical biological control of non-native invasive weeds with natural enemies originating from the native range of the weed, has proven a viable strategy for managing weeds in areas subject to low -intensity management, such as rangelands. The problem with noxious weeds that are invasive species is that they have been introduced into areas where there are no natural enemies or biological agents that can disrupt the weed propagation and growth cycle. Introduction of natural enemies or biological agents can have unintended consequences. Biological control is a viable option for dealing with some noxious weeds that have grown out of control. If the infestation is small or just getting started, biological control is not the best solution. NV CUREfON MIDSTREAM Hookside Gas Plant and Compressor Station Facility 17r'AS rnr, ?f ,P1�tn 3.2.2 Chemical Management Herbicides are chemicals used to kill weeds by interfering with the normal biological processes of plants, usually through an interaction with a crucial enzyme. Herbicides are a class of pesticides. Weed -specific herbicides should be applied by a Colorado Department of Agriculture Commercial Operator licensed applicator. 3.2.3 Cultural Management Cultural weed management practices are actions that help the native seed mix be more competitive against weed species. Such techniques have been used effectively in decreasing weed issues in row crops and help to optimize herbicide -based programs. Noxious weed management requires an integrated program, so cultural management may be used as a prevention tool or may be used in tandem with other weed control measures. Examples of cultural management include maintaining optimal field nutrient availability, planting into weed -free soil, selecting varieties that compete well, using certified weed -free seed mixes, and maintaining adequate soil and plant moisture levels. Since native grass and plant communities are desired for the Project site, the addition of nutrients and moisture through irrigation is not expected to be required unless seeding with a native seed mix occurs at a time of year when seeding is not optimal. In such instances, it may be better to wait and use other interim weed control measures, such as mechanical methods, herbicide application, or planting a cover crop over the affected area until conditions are better for planting the native seed mix. Since the recommended seed mix discussed in Section 1.6 includes species that are native to the area, they should be more competitive than invasive weed species without the addition of fertilizer or moisture, which could promote weed growth. 3.2.4 Mechanical Management Mechanical weed management techniques such as tilling. mowing, burning, pulling, digging, cutting, mulching, and solar sterilization can be economical means of noxious weed control over large areas. Mowing is an effective method for controlling many weed species. Mowing is usually conducted before the weeds produce seed, but it is not effective on plants that reproduce from spreading roots or rhizomes. Pulling young plants or plants with shallow roots can be an effective control method; however, it is labor intensive and not cost effective for large communities. Pulled plants will be disposed of properly in sealed containers to avoid re -colonization in disposal areas. CUREF0N NV MIDSTREAM Heokside Gas Plant and Compressor Station Facility Digging plants along with their roots can be an effective control method provided the weedy plant has not yet produced seeds that could be dispersed by bumping or handling the plant. Cutting seed heads off of plants that have not yet produced seed can be an effective control method but is labor intensive. Plant parts that have been removed must be properly disposed of to prevent re -colonization of disposal areas. Areas that are cleared of vegetation for construction activities may benefit from periodic tilling to break up the soil and disrupt weeds from becoming established. If there will be a time lag before construction activities commence it may be better to wait until closer to the time of construction to clear vegetation from the area. Phased construction uses a combination of cultural and mechanical weed management and may also include chemical and biological strategies. Use of harrows, weeders, and cultivators soon after an area is cleared and repeated use can prevent weeds from becoming established in a cleared area. Burning may be an option to clear vegetation and control weed growth during the early construction phases at the Project site; however, natural gas pipelines and equipment operation may prohibit burning activities and should be evaluated on a case -by -case basis. Cureton would obtain a controlled burn permit from Weld County prior to any prescribed burns. Mulching requires spreading a layer of organic material, such as straw, wood chips, green waste, pine straw, leaves, grass clippings, etc. on the ground. Compared with some other methods of weed control, mulching is relatively simple and inexpensive. Mulching smothers the weeds by excluding light and providing a physical barrier to impede their emergence. Mulching is successful with most annual weeds; however, some perennial weeds are not affected. The effectiveness of mulching depends on the material used. Organic and synthetic mulches may be used in combination with each other to increase the amount of weeds controlled. Soil solarization is a simple and effective method of weed control in small areas. Soil solarization involves covering the soil with a layer of clear or black plastic. The plastic covering the ground traps heat energy from the sun and raises the temperature of the soil. Many weed seeds and vegetative propagules are not able to withstand the temperatures and are killed. For solar sterilization d to be most effective, it should be implemented during the summer months and the soil should be moist. Cool season weeds are more responsive to soil solarization than warm season weeds. 3.3. Weed Control Timing Weed control, especially of noxious invasive species, will be completed regularly with periodic visual inspections and timely response actions will be taken if weed infestations are detected. Weeds are most likely to grow rapidly following rain events, and in many cases during warmer ,k1' CURET0N MIDSTREAM Hookside Gas la'+t and Compressor Station Facility summer months. When desired vegetation is healthy and dominates the ground cover, weed species establishment is difficult. 3.4. Perimeter Buffer and Invasive Species Management The perimeter buffer of the Project site will consist of existing vegetation as well as seeded grasses and other native plant species. The perimeter buffer will be maintained to prevent the introduction of noxious weeds and invasive species into disturbed areas and soils impacted by construction activities. Newly -seeded vegetation will be left to germinate and grow without added inputs. If dry weather is persistent, watering of new plants and existing vegetation may be necessary to maintain healthy vegetative growth. During inspection and monitoring of the perimeter buffer, if invasive plant species are identified, they will be treated and removed. Many invasive species are persistent, with prolific seed banks and rapid spread. Invasive plant species have the potential to out -compete native or desired species and could create long-term vegetation maintenance problems if they eliminate desired species and/or migrate into other areas of the Project site, possibly impeding Project site operations. Invasive plant species may also become a regional nuisance and possible regulatory issue if the plants are identified as noxious weeds. Therefore, Cureton will control invasive species in their early stages. 4. SUMMARY This Noxious Weed Management Plan presents Cureton's integrated approach to weed management at the Project site. First and foremost, Cureton will practice weed suppression by not allowing noxious weeds to be introduced to disturbed areas by requiring contractor's equipment to be washed and free of dirt and vegetation prior to mobilization to the Project site. Minimizing the disturbed areas on the Project site at any given time will prevent windborne weed seeds from being introduced and discourage birds from coming into the site and potentially introducing foreign seeds. Monitoring for weeds is the next step to making sure that noxious weeds do not gain a foot hold in the disturbed areas of the Project site, along with implementation of adequate control measures. Biological and mechanical control measures would then be attempted before resorting to chemical controls, unless a weed is a List A noxious weed. Any herbicides will be applied by a Colorado Department of Agriculture Commercial Operator licensed applicator that Cureton contracts. MSS a gil Fa Iles V, a` - ."mil 1 County Ftc►aC 100 Data Source: ESRI - USA Topo Maps 0 1,000 2.000 —� 1 inch = 2,000 feet vr.,.Ji✓r Colfly Road 99 1 1 1 1 1 I 1 1 1 S ... ... 1 1 1 1 1 1 1 1 1 County Road WC N — a War Legend Hookside Project Site Hookside Gas Plant & Compressor Station Facility Weld County. Colorado Olsson Project # 018-2184 Site Location Map Figure 1 \2018\2001-2500\018-2184\40-Desi.n\GIS119-03-22 NRPL Noxious WeecWi•ures.mxd User m rice Data Source: ESRI - World Imagery i 0 250 500 1 inch = 500 feet Legend Hookside Project Site Hookside Gas Plant & Compressor Station Facility Weld County. Colorado Olsson Project # 018-2184 Site Map Figure 2 Table 1 Bureau of Land Management Recommended Seed Mix Cureton Front Range, LLC — Hookside Gas Plant and Compressor Station Facility Weld County, Colorado Species Variety Pounds of Pure Live Seed per Acre Name (Scientific Name) Varietal Name Seed (Short Structure) Mix A (Mid Seed -Tall Structure) Mix B Common (Bouteloua Blue grama grass gracil/s) Alma 3.0 1.5 Needle -and (Stipa -thread comata) grass Arriba 2.0 2.0 Sedges Not applicable 2.0 2.0 Western (Pascopyron wheatgrass smithii) Native 90/85 2.0 3.0 (Buchloe Buffalo grass dactyloides) Bison 97/90 2.0 1.0 Scarlet (Sphaeralcea globemallow coccinea) Not applicable 0.25 0.25 Rocky (Cleome Mountain serrulata) beeplant Not applicable 1.50 1.50 (Calamov/lfa Prairie sandreed longifolia) Bowman 0.2 0.2 Sand (Artemisia sage fihfolia) Not applicable 0.1 0.1 ;Atriplex Four -wing saltbrush canescens) Wytana/Rincon y -- 2.5 Table 2 Weld County — Colorado Department of Agriculture List A — Noxious Weeds for Eradication Cureton Front Range, LLC — Hookside Gas Plant and Compressor Station Facility Weld County, Colorado Species ` . opagati 'Propagation F Eradication . . , Common Nam_ e._(Scientific Name) .. . � Less..than 10 Populations in , - Colorado 7 _ More than 10 Populations in - _ Colorado Cypress spurge (Euphorbia cyparissias) Low growing perennial, spread by seeds and lateral root buds X Giant reed (Arundo dorax) Robust perennial grass, clump grass, spread by rhizomes X Hairy willow herb (Epilobium hirsutum) Perennial, semi -aquatic, spread by windborne seeds and rhizomes, thousands of seeds produced - X Knotweeds (Japanese, Giant, Bohemian) (Polygonum cuspidatum, P. bohemian) Perennial, 5-16 feet tall, spread through lateral root systems, rhizomes X Mediterranean sage (Salvia aethiopis) Biennial/short-lived perennial, produces . thousands of seeds, tumbleweed X Myrtle spurge (Euphorbia myrsinites) Low -growing perennial, spread by seed — projecting up to 15 feet away X Orange hawkweed (Hieracium aurantiacum) Perennial plant, reproduces by runners, rhizomes, sporadic root buds, and seeds X Purple loosestrife (Lythrum Salicaria) Perennial forb, reproduces primarily by seed along stream banks and ponds, millions of seeds are produced by a single plant X African rue (Peganum harmala) Shrubby, perennial herb, tap root and spreading lateral root system extending 20 feet or more, yields many small seeds X Dyers woad (Isatis tinctoria) Winter annual, biennial, or short-lived perennial; fruit/seed pods are winged, produced from numerous flowers X Elongated mustard (Brassica elongate) Biennial, short-lived perennial, sometimes winter annual herb, spread by wind dispersed seeds in late summer and fall X Table 2 Weld County — Colorado Department of Agriculture List A — Noxious Weeds for Eradication Cureton Front Range, LLC — Hookside Gas Plant and Compressor Station Facility Weld County, Colorado ' Species ' Propagation ., Eradication Common.Name (Scientific Name) Less than -10. Populations in Colorado _ More -than 10- - Populations in . Colorado Flowering rush (Butomus umbellatus) Herbaceous aquatic perennial, incredibly noxious weed, spread by creeping rhizomes and by seed, found along rivers and ditches X Meadow knapweed (Centaurea x moncktonii) Perennial that primarily reproduces by seed, but crown and root fragments can re -sprout when disturbed by heavy equipment X Rush skeletonweed (Chondrilla juncea) Herbaceous perennial that reproduces by seed and by an extensive root system X Tansy ragwort (Seneciojacobaea) Tap -rooted biennial or short-lived perennial; seeds are pappus and windborne Not known in Colorado Yellow starthistle (Centaurea solstitialis) Winter annual, vigorous taproot, spreads by seed, produces thousands of seeds, plumed X Note: This table is subject to change and specific species should be verified through the current Colorado Department of Agriculture Noxious weeds list available at https://www.colorado.qov/pacific/agconseration/Noxious weeds. Table 3 Weld County — Colorado Department of Agriculture List B — Noxious Weed Species Cureton Front Range, LLC - Hookside Gas Plant and Compressor Station Facility Weld County, Colorado S •ecies - p _ .. Plant .Type, " Eradication/ContainmentlSuppression- - ' =Common Name/Scientific• - Name . --Propagation Habitat : _ - • Control Methods Absinth wormwood (Artemisia absinthium) Long-lived perennial, long tap root, spread by seeds, scattered by wind Disturbed sites, moist soils, can occur at 5,000- to 7,000 -foot elevation Cultural: possible Biological: none - Mechanical: hand pulling Chemical: Herbicide recommendations are available Black henbane (Hyoscyamus niger) Annual or biennial, mostly on the western slope of Colorado, poisonous, fruit, strong competitor for moisture, persistent litter effects germination of native plants Disturbed soils, open space, road sides, fields, waste places, grows in most soil types — likes sandy or well drained loarns Mechanical and chemical controls are the most commonly recommended methods of control Bouncingbet (Saponaria officialis) Perennial forb, flowering, fruits contain many seeded capsules; reproduces by seed and rhizomes Occurs mainly in municipal areas in Colorado as an ornamental, occurs in escaped to abandoned lots, roadsides, and wetlands Mechanical methods are best for small areas Chemical herbicide recommendations for pastures and rangeland Bull thistle (Cirsium vulgare (savi) tenore) . Biennial forb, produces thousands of seeds, windborne, remains viable for several years Invades dry to moist environments, grows on gravelly to clay textured soils, thrives in pastures, overgrazed rangeland, roadsides, and disturbed areas Mechanical methods such as hoeing, tilling, and digging are best for small infestations Chemical treatment best for large areas Canada thistle (Cirsium arvense) Deep-rooted perennial, spread by seeds and aggressive creeping, horizontal rhizomes Infests diverse land types ranging from roadsides, ditch banks, riparian zones, meadows, and pastures rangeland Effective control requires a combination of methods — prevention is the most important strategy Herbicide recommendations are available Chinese clematis (Clematis orientalis) Herbaceous to woody perennial, flowering, produces numerous feathery long-tailed fruits Roadsides, riparian corridors, and rocky slopes, prefers well -drained soils; escaped ornamental Cultural: possible, expensive Biological: none Mechanical: hand pull/moist soil Chemical: 2-4-D amine Common tansy (Tanacetum vulgare) Perennial plant that reproduces by both seed and creeping rootstocks Banks of irrigation ditches, streams, seeps, and roads; occasionally semi- arid rangeland Cultural: not recommended Biological: targeted grazing by sheep/goats Mechanical: best for small areas Chemical: herbicide recommendations are available Table 3 Weld County — Colorado Department of Agriculture List B — Noxious Weed Species Cureton Front Range, LLC — Hookside Gas Plant and Compressor Station Facility Weld County, Colorado - Species • Plant type' , Eradication/Containment/SUppression • Common Name/Scientific • Name- Propagation. - :, Habitat Control Methods - Common teasel Di sacus fullonumproduces ( p ) Biennial — monocarpic perennial forb, thousands of seedsper plant Common along major travel corridors and previously disturbed areas; invasive in moist soils — wetland areas Cultural: maintain competitive species Biological: none Mechanical: best for small infestations Chemical: herbicide recommendations are available - Corn chamomile (Anthemis arvensis) Annual has a dense, fibrous root system that spreads rapidly during wet periods, reproduces primarily by seed P - Roadsides, ditches, urban areas, cultivated fields, and pastures Cultural: minimize disturbances Biological: none Mechanical: frequent, shallow tilling can 4 help; mowing not effective long term Chemical: herbicide recommendations are available (Dipsacus psacus laciniatus ) Biennial or non-carpic perennial forb; reproduces by seed, many seeds per plant, seeds remain viable for years Aggressive exotic species that can prairies and savannas; prairies best for small infestations Prefers moist soil conditions, fens, wetlands, and riparian habitats Cultural: whole site restoration Biolo ical: none g Chemical: herbicide recommendations are available Dalmation toadflax • (Linaria dalmatica) Perennial forb, reproduces both by seed and by extensive, creeping rhizomes; s single plant produces tens of thousands of seeds Disturbed open sites, fields, pastures, rangeland, roadsides, cropland, and forest clearings; starts in small disturbed areas and spreads Cultural: imperative to manage area with competitive grasses — wheatgrasses Biological: Calophasia lunula, a predatory noctuid moth feeds on leaves and flowers; and Etecobalea intermedia, a root boring moth, and Mecinus janthinus, a stem boring weevil also help to control Mechanical: hand pulling Chemical: Herbicide recommendations are available Dames rocket (Hesperis matronalis) Biennial or short-lived perennial forb, mustard family, reproduces by seed Found mainly in urban and suburban areas, disturbed areas, and wet and alkaline soils Cultural: used with other methods Biological: palatable to goats Mechanical: effective on small areas/early Table 3 Weld County — Colorado Department of Agriculture List B — Noxious Weed Species Cureton Front Range, LLC — Hookside Gas Plant and Compressor Station Facility Weld County, Colorado Species. 'Plant Type eradication/ContainmentlSuppression Common• Name/Scientific - —Name- -" ` Propagation , , . -Habitat .' Control Methods Chemical: herbicide recommendations are available Diffuse knapweed (Centaurea diffusa) Biennial forb, reproduces solely by seed Invades disturbed and overgrazed areas, rangeland, roadsides, riparian areas, and trails Cultural: establish select grasses Biological: seed head weevil/root weevil Mechanical: severe root below soil surface Chemical: herbicides are effective Hoary cress (Lepidium draba) Creeping perennial, reproduces by seed, produces thousands of seeds Fields, waste places, meadows, pastures, croplands, and roadsides Cultural: minimize disturbance/seed Biological: none Mechanical: mowing and other Chemical: herbicide options are available Houndstongue (Cynoglossum officinale) Short-lived perennial or biennial forb, deep tap root, reproduction solely by seed Shady, moist, disturbed areas, trails, roadsides, fields, pasture, and rangeland Cultural: minimize disturbance Biological: root weevil potential Mechanical: remove/pull plants/seeds Chemical: herbicide options are available Jointed goatgrass (Aegilops cylindrical) Winter annual, grows as single -stem, multiple stem, or as tillers; seed germinates in fall Grassland, wheat fields, fence rows, pasture, and hayfields Cultural: crop rotation Biological: none Mechanical: mowing/cutting Chemical: herbicide options are available Leafy spurge (Euphorbia esula) Deep rooted perennial, spreads by seed and extensive creeping roots Adapted to a wide variety of habitats — rangeland, pasture, and riparian sites Cultural: prevent bare spots Biological: sheep/goats and flea beetles Mechanical: mowing reduces seeds Chemical: herbicide recommendations are available Mayweed chamomile (Anthemis cotula) Bushy annual, prolific seed producer Disturbed areas, sides of impermeable surfaces such as roads, sidewalks, trails, and gravelly or well -drained soils Cultural: minimize disturbance Biological: none Mechanical: effective — shallow roots Chemical: herbicide options are available Table 3 Weld County — Colorado Department of Agriculture List B — Noxious Weed Species Cureton Front Range, LLC — Hookside Gas Plant and Compressor Station Facility Weld County, Colorado Species' : Plant Type.- ,Eradication/Containment/Suppression , Common,. • Name/Scientific. :;Name Propagation - Habitat Control'Methods Moth mullein (Verbascum blattaria) Biennial forb, seed capsule, seed primary reproduction method, limited dispersion, seed viability greater than 100 years Upland, semi -arid environments, nutrient poor, heavy metal soils, and distribution limited to northern Colorado front range Cultural: maintain native species Biological: European curculionid weevil (Rhiusa Mechani tetra) Mechanical: burning effective Chemical: herbicide options are available Musk thistle (Carduus nutans) Biennial forb, reproduces solely by seed Shortgrass prairie to alpine, associated with heavility disturbed sites, over- grazed areas, fires, trails, ditches, roadsides, and pastures Cultural: not tolerate of competition Biological: Thistle crown weevil (Trichosirocalus horridus) Mechanical: hoeing/digging in small areas Chemical: herbicide options available Oxeye daisy (Leucantheum vulgare) Rhizmatous, creeping, short-lived perennial, one flowerproduces hundreds of seeds, viable for decades Mountain meadows, grasslands, pastures, streams — typically grows in higher elevations up to 11,000 feet Cultural: avoid disturbance/planting Biological: goats/sheep grazing Mechanical: hand-pulling/digging Chemical: herbicide options are available Perennial pepperweed (Lepidium latifolium) Perennial forb, reproduces both by seed and by roots and shoots, acts as a "salt pump" (excretes salt from leaves) Intermountain, mountainous areas and marshes, frequently found in wetland and riparian areas, and irrigation ditches Cultural: prolonged spring flooding Biological: none — not viable Mechanical: not recommended Chemical: herbicide options are available Russian knapweed (Acroptilon repens) Deep-rooted perennial spreads by aggressive creeping, horizontal roots (rhizomes) and seeds Roadsides, ditch banks, riparian zones, pastures, rangeland, saline soils, clear cuts, and cropland Cultural: maintain native/avoid bare spots Biological: gall midge ella ivannikov�) Mechanical: mowing stresses the plant Chemical: herbicide options are available Russian olive (Elaeagnus angustifolia) Perennial tree or shrub, seeds readily spread by birds, can reproduce by seed or by root suckers Growth in a variety of soil and moisture conditions, prefers open, moist riparian zones along streams, and open fields Cultural: replace with native trees Biological:: sapli ularia canker (fungus) Mechanical: sapling cutting effective Chemical: herbicide options are available Table 3 Weld County — Colorado Department of Agriculture List B — Noxious Weed Species Cureton Front Range, LLC — Hookside Gas Plant and Compressor Station Facility Weld County, Colorado Species Plant Type Eradication/Containment/Suppression Name/Scientific Common Name Propagation Habitat Control Methods Sulfur (Potentilla cinquefoil recta) Perennial many branch vegetative-ly small roots. forb. seeds, no flowering rhizomes, from single new produces reproduces shoots tap root, meadows, wetlands. Full sun, along moist swales. and soil. riparian roadsides ditches, found areas, in wet seeps, and Cultural: Biological: Mechanical not Chemical: recommended shade none methods herbicide intolerant/dry options that conditions break are up available roots Note: This table is subject to change and specific species should be verified through the current Colorado Department of Agriculture Noxious weeds list available at https://www.colorado.gov/pacific/aqconseration/Noxious weeds. PPerki9yut49y, Site Photographs' Gcc e Imager; a 2019 , DggtalGbcbe, USDA Farm Service Agency Looking southwest at Project area • er-:Iv • ., i it •It 4� c6°�` - t a` t.aq . 14,• 14,•-,. „ -•Sr; Y ♦ 4.... CIS •. Jr... ,.. •• M _ 0-7., • 7 " ..— .. , • F •{. •-•,...,t •4 Ns.•. A • o A 4.s, ° - Pt1. E, " ' A yy .,ry1/� •r iv, P !i�7! �"L : '�•YG•...-aJair. a -a � Goog l e Googie Imagery @2019, Dig talGibe, USDA Farm Service Agency Hookside Gas Plant and Compressor Station Facility Behrens and Associates, Inc. Environmental Noise Control December 12, 2018 Cureton Midstream, LLC 518 17th Street, Suite 650 Denver, CO 80202 Attention: Cole Ones Subject: Ambient Sound Level Report Re: Proposed Hookside Compressor Station Dear Mr. Ones: Per your request, an ambient sound level survey was performed near the proposed Hookside Compressor Station in Briggsdale, Colorado from Friday, December 7 to Monday, December 10, 2018 to measure and document the ambient sound levels near the site. The following report documents our findings. Ambient Sound Level Survey An ambient sound level survey including A -weighted (dBA) sound pressure levels, was performed for the proposed Hookside Compressor Station to measure and document ambient sound levels for hourly, 15 minute and daily averages. Per the Colorado Revised Statutes (CRS) 25-12-103, data collected when winds over five (5) miles per hour are present, are inadmissible. The daytime and nighttime sound level averages (Leq) in Table 1 omit the data collected where the wind speed exceeded 5 miles per hour. Sound Measurement and Modeling Instrumentation The instrumentation used for the monitoring locations were Svantek Model 971 integrating and logging sound level meters, which were calibrated prior to deployment. The metering systems were approximately 4 feet above ground level and in a locked box for security. The measured noise levels are presented graphically in Attachments 2 through 9 and in tabulated form in Attachments 10 through 13. The ambient noise levels were used to determine the typical daytime (7am to 7pm) and nighttime (7pm to 7am) averages at the monitored location. The daytime and nighttime arithmetic averages were calculated using the hourly noise levels measured at the location. I,hc calculated ambient average daytime and nighttime noise levels are summarized in Table 1. Corporate Office: Hawthorne. California Carson, California -- Aledo, Texas Napa, California - Longmont, Colorado -- McDonald, Pennsylvania - Calgary, Canada Phone 800-679-8633 -- Fax 310-331-1538 www.environmcntal-noise-control.com -- www.drillingnoisecontrol.com Behrens and Associates, Inc. Environmental Noise Control Table 1 Cure ton Midstream - Hookside Compressor Station Location I Location 2 Location 3 Location 4 Average Daytime Ambient Noise Levels Average Nighttime Ambient Noise Levels Average Daytime Ambient Noise Levels Average Nighttime Ambient Noise Levels Average Daytime Ambient Noise Levels Average Nighttime Ambient Noise Levels Average Daytime Ambient Noise Levels lverage Nighttime Ambient Noise levels dBA dBA dBA dBA dBA dBA dBA dBA 40.8 38.2 36.2 34.1 46.0 39.4 38.4 36.5 Best regards, Cohn M. Drolshagen Lead Acoustical Technician Corporate Office: Hawthorne, California Carson, California -- Aledo, Texas -- Napa, California '— Longmont, Colorado -- McDonald, Pennsylvania — Calgary, Canada Phone 800-679-8633 -- Fax 310-331-1538 www.environmental-noise-control.com — www.drillingnoisecontrol.com Behrens and Associates, Inc. Environmental Noise Control Sound Level (1 -hour Legj 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 a. a a a a 0 O O 0 0 CZ; 00 O e-4 u 9 00 P1 Q 0 N Cureton Midstream Hookside Compressor Station Ambient Sound Level Survey - Location 1 Q < < 4 0 0 0 0 4 t,O 00 O 2 2 5 5 2 2 ` 2 2 2 2 2 2 2 2 2 2 2 C. a. 0 Q Q Q Q Q a. a, a. a a a. O 0 O O O °^ pppp O O O 0 O 0 0 0 0 0 0 0 tD 00 p C .. .. .. . � � N er .,p pp O N N �# CO 00 a December 7 - December 10, 2018 Attachment 2 Mon 10 -Dec dBA Wind < < < < < aa. 0 O o O O 9 00 G N 50 45 40 35 30 25 a- 2 20 15 10 5 0 Behrens and Associates Inc. Environmental Noise Control Sound Level (15 minute Leq) 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 a Ca Ca a 0 0 0 0 0 N d' Li 00 O e-� Cureton Midstream Hookside Compressor Station Ambient Sound Level Survey - Location 1 dBA --wind < Q 4 d d a a a a a a < < < < Q Q a a a a Ca a < < < < < < a o 0 o 0 0 0 0 c 0 Ft?) 0 0 o 0 o 0 0 0 o 0 M en m en en en rn � n M M en c" i, en en c•n en en en en en en 0 0 en M 0 0en N ►.0 OG O N N 4 tp 00 O N N Co 00 O N N e7 '.0 00 O N N 4 Ci00 O N .-- e-1 e-1 e- I e -I rl e-i December 7 December 10, 2018 Attachment 3 50 45 40 35 30 I 25 0- 20 1 10 5 0 Behrens and Associates, Inc. Environmental Noise ControlMAMA/V Sound Level (1 hour Leq) 55 50 45 40 35 30 25 70 15 10 5 0&as.. ain+„ a a Q Q a a a W e Q?0 9 O O a O o O N 4 .L 00 O i0 N d ri LA Cureton Midstream Hookside Compressor Station Ambient Sound Level Survey - Location 2 < a aa 00 4 a a a a a a O o 0 0 0 0 0 o ry ,y 4 cC CC O .-4 U w C th z view Q C O December 7 - December 10, 2018 Attachment 4 S ct Q a a a z a a 0 0 0. o 0 O O 0 .. .. . .. .. CO.. 40 O eN N e! '.0 00 O Mon 10 -Dec �ldBA ma Wind c < O p< < < < a O O a G O N 4 Lei we' O N 50 �L ?l i i4I 20 15 10 5 U Behrens and Associates, Inc. Environmental Noise Control Cureton Midstream Hookside Compressor Station Ambient Sound Level Survey - Location 2 75 50 70 65 60 55 50 0 45 CI) 9-0 40 a Sound Level (15-m 35 25 dBA a Wind 45 40 35 30 2 5 O- 2 20 15 20 - 15 10 10 5 0 22222 '222222222222222222222222222 o c c C C C a pa CI.00 as pa a C C C C C C a. CI. a a. a. a Q Q 4 < Q Q a. O 0 O O 0 00 Om rn en enO O O O� M t�1 M O� en en0 C O M M en r'1 M M O O P C O O O O 0 O .. en N4 + G 00 O co N d ti 00 O Si N 4 CO 00 O N N 4 ►A 00 O N N4 04 O N N 4 00 O N e -I :! i .••- e-1 r-1 '-i ei ell el ri e4 December 7 - December 10, 2018 Attachment 5 5 0 Sound Level (1 -hour Leq) Behrens and Associates, Inc. Environmental Noise Control 75 70 6`) 60 55 50 45 40 35 30 25 20 15 10 5 0 --� _ a cis Os a a p O O O 0 0 °° p N 4 to OO O f0 ny et tin Q < aa 'e ti0 wi\ Cureton Midstream Hookside Compressor Station Ambient Sound Level Survey - Location 3 < < Q Q d S o o g N 4 Ci OO O e-1 December 7 - December 10, 2018 Attachment 6 dBA Wind a a a a FL. a Q Q Q Q Q a O o o o p p O O C O O . O O o 0 0 Ngeito OO O O N tt iG OO O N Behrens and Associates, Inc. Environmental Noise Control Sound Level (15 -minute Leq) 'U C So 45 40 35 30 25 20 15 10 5 0 ca. a a a a 0 0 0 0 0 N gi tD 00 O e-1 Cureton Midstream Hookside Compressor Station Ambient Sound Level Survey - Location 3 u 9 00 VI1 d M 4 d Q M Q 00 a en e-i a a O t0 a 00 a d m en N e-1 - < < < Q N Co CO December 7 - December 10, 2018 Attachment 7 Ft. Ft. M K1 dBA wind a a < < < < Q < a oO O O o COen f 2 2 cn en en m . . . . . . . . . . Si 00 O N N et to 00 O e4 e4 e1 e-i 50 45 40 35 30 2 5 a- 2 20 15 10 5 0 Sound Level (1 -hour Leto Behrens and Associates, Inc. Environmental Noise Control 75 70 65 60 55 50 45 40 35 30 25 20 15 10 5 0 Cureton Midstream Hookside Compressor Station Ambient Sound Level Survey - Location 4 a s x 2 2 2 2 2 2 C 4 Q Q Q a a a 0 0 0 0 0 0 0 0 0 0 0 0 0 0 8 0 0 8 8 0 0 0 0 0 N 4 '.D 00 O (N �O 00 O N N et e-1 ei a a dBA Wind a a a Q d a" Q Q a 2 2 2 2 2 2 2 2 2 2 2 5 Q 5 5 2 a d a . (37.a °" $ x 8 8 8 8 8 8 0 8 0 i 0 0 0 0 0 8 8 0 . .. .. .. CO.. . . . . . . 66 O g N 4 �0 00 0 N N et 1/40 00 O N d O 00 O Nri 0-4 2 December 7 December 10, 2018 Attachment 8 50 45 40 35 30 20 15 10 5 0 Sound Level (15 -minute Leq) Behrens and Associates, Inc. Environmental Noise Control 75 70 65 60 55 50 45 40 35 30 2 Li -ThAAI\ Cureton Midstream Hookside Compressor Station Ambient Sound Level Survey - Location 4 dBA es -Wind 50 45 40 35 30 2O IC 15 10 10 5 a a a a a 0.0 a 0 O N 14 CL 00 6 u cu 9 00 C C < d d a. apa a. O- a. Q Q oO dQ Q Q Cl- Ca- Ca- a a. a < Q Q 4 Q < a- 0 en en C en 0 e p 0 0 rn M M 0 0 0 0 M M M M OM en rn M 4 O en en eno a o a en0 m0 N d ti 00 O N N 4 tD 00 O Nel ei N '� C.D 00 O N N Q tJ 00 O N N 4 tie00 O Nel el 1-4 rii rug el ei es December 7 - December 10, 2018 Attachment 9 5 2 Behrens and Associates, Inc. Environmental Noise Control ( u re ton Midstream - Flookside Compressor Station li m e Location I - Hourly Averages (IBA 2:00 PM 30.9 3:00 PM 47.0 4:00 PM 32.7 5:00 PM 33.8 6:00 PM 35.0 7 0 PM 36.8 8:00 PM 35.1 9:00 PM 36.9 10:00 PM 36.7 11:00 PM 36.5 Sat 8 -Dec 36.I 1:00 AM 36.9 2:00 AM 378 3:00 AM 38.8 4:00 AM 36 5:00 AM 33.4 6:00 AM 34.8 7:00 AM 35.6 8:00 AM 39.3 9:00 AM 42.3 10:00 AM 39.1 11:00 AM 35.8 12:00 PM 33.1 1:00 PM 34.1 2:00 PM 45.8 3:00 PM 36.9 4:00 PM 29.6 5:00 PM 45.0 6:00 PM 37.8 7:00 PM 46.4 8:00 PM 32.9 9:00 PM 26.3 10:00 PM 30.0 1 1 :00 PM 35.1 Sun 9 -Dec 35.6 1:00 AM 34.6 Time 3 5.3 2:00 AM 3:00 AM 39.9 4:00 AM 36.2 5:00 AM 35.1 6:00 AM 37.7 7:00 AM 36.7 8:00 AM 51.3 9:00 AM 58.2 10:00 AM 65.5 11:00 AM 66.8 12:00 PM 70.0 1:00 PM 70.) 2:00 PM 71.2 3:00 PM 70.4 4:00 PM 60.4 5:00 PM 46.7 6:00 PM 36.1 7:00 PM 41.1 8:00 PM 47.6 9:00 PM 40.2 10:00 PM 36.4 11:00 PM 37.1 Mon 10 -Dec 34.5 1:00 AM 35.3 2:00 AM 33.3 3:00 AM 36.6 4:00 AM 32.6 5:00 AM 32.9 6:00 AM 34.2 7:00 AM 35.8 8:00 AM 39.2 9:00 AM 43.3 10:00 AM 44.1 11:00 AM 40.2 12:00 PM 43.2 1:00 PM 36.4 Attachment 10 Behrens and Associates, Inc. Environmental Noise Control fkAl N _ Cureton Midstream - Hookside Compressor Station Location 2 - Hourly Averages Time dBA Time dBA 2:00 PM 39.5 2:00 AM 30.9 3:00 PM 41.6 3:00 AM 34.8 4:00 PM 32.7 4:00 AM 33.4 5:00 PM 33.1 5:00 AM 32.0 6:00 PM 35.8 6:00 AM 34.6 7:00 PM 34.1 7:00 AM 37.5 8:00 PM 33.4 8:00 AM 40.5 9:00 PM 35.8 9:00 AM 45.6 10:00 PM 32.4 10:00 AM 54.7 11:00 PM 32.3 11:00 AM 55.3 Sat 8 -Dec 35.9 12:00 PM 58.4 1:00 AM 36.7 1:00 PM 58.7 2:00 AM 38.3 2:00 PM 59.4 3:00 AM 35.3 3:00 PM 58.2 4:00 AM 32.0 4:00 PM 48.0 5:00 AM 32.1 5:00 PM 32.9 6:00 AM 33.2 6:00 PM 36.5 7:00 AM 35.3 7:00 PM 36.1 8:00 AM 38.4 8:00 PM 37.7 9:00 AM 40.6 9:00 PM 33.1 10:00 AM 41.4 10:00 PM 34.8 11:00 AM 41.4 11:00 PM 33.0 12:00 PM 30.1 Mon 10 -Dec 34.6 1:00 PM 30.5 1:00 AM 32.2 2:00 PM 31.0 2:00 AM 32.0 3:00 PM 36.0 3:00 AM 32.6 4:00 PM 34.4 4:00 AM 33.9 5:00 PM 35.7 5:00 AM 34.0 6:00 PM 35.8 6:00 AM 34.5 7:00 PM 34.2 7:00 AM 35.7 8:00 PM 32.8 8:00 AM 37.9 9:00 PM 26.5 9:00 AM 38.7 10:00 PM 30.7 10:00 AM 39.9 11:00 PM 34.0 11:00 AM 35.8 Sun 9 -Dec 32.7 12:00 PM 37.4 1:00 AM 34.4 1:00 PM 29.2 Attachment 11 Behrens and Associates, Inc. Environmental Noise Control N _ Cureton Midstream - Hookside Compressor Station Location 3 - Hourly Averages Time dBA lime dBA 2:00 PM 43.1 2:00 AM 32.7 3:00 PM 48.4 3:00 AM 35.5 4:00 PM 44.7 4:00 AM 35.0 5:00 PM 44.0 5:00 AM 42.3 6:00 PM 45.3 6:00 AM 48.2 7:00 PM 41.8 7:00 AM 47.1 8:00 PM 32.1 8:00 AM 53.1 9:00 PM 33.6 9:00 AM 61.0 10:00 PM 31.2 10:00 AM 65.4 l 1 :00 PM 33.4 I1:00 AM 65.9 Sat 8 -Dec 35.3 12:00 PM 68.4 1:00 AM 35.1 1:00 PM 68.6 2:00 AM 37.9 2:00 PM 68.6 3:00 AM 35.0 3:00 PM 67.8 4:00 AM 31.8 4:00 PM 57.7 5:00 AM 31.2 5:00 PM 41.1 6:00 AM 35.9 6:00 PM 40.8 7:00 AM 43.6 7:00 PM 46.1 8:00 AM 45.7 8:00 PM 45.0 9:00 AM 44.5 9:00 PM 35.7 10:00 AM 38.7 10:00 PM 34.9 11:00 AM 45.5 11:00 PM 34.0 12:00 PM 46.8 Mon I0 -Dec 32.6 I:00 PM 39.3 1:00 AM 32.1 2:00 PM 45.0 2:00 AM 31.6 3:00 PM 45.6 3:00 AM 31.7 4:00 PM 45.6 4:00 AM 47.6 5:00 PM 43.1 5:00 AM 45.7 6:00 PM 41.3 6:00 AM 39.7 7:00 PM 36.4 7:00 AM 46.6 8:00 PM 40.8 8:00 AM 46.7 9:00 PM 27.7 9:00 AM 55.9 10:00 PM 30.2 10:00 AM 52.3 11:00 PM 40.9 11:00 AM 47.7 Sun 9 -Dec 39.4 12:00 PM 51.2 1:00 AM 36.9 1:00 PM 47.0 Attachment 12 Behrens and Associates. Inc. Environmental Noise Control ('ureton Midstream - Hookside Compressor Station location 4 - Hourly Averages Time dBA Time dBA 2:00 PM 32.5 2:00 AM 34.8 3:00 PM 46.3 3:00 AM 35.2 4:00 PM 41.3 4:00 AM 34.7 5:00 PM 40.0 5:00 AM 38.0 6:00 PM 44.7 6:00 AM 42.5 7:00 PM 40.6 7:00 AM 39.1 8:00 PM 33.2 8:00 AM 41.8 9:00 PM 34.3 9:00 AM 48.3 10:00 PM 29.6 10:00 AM 55.1 1 1 :00 PM 33.1 1 1 :00 AM 55.0 Sat 8 -Dec 35.0 12:00 PM 57.5 1:00 AM 35.7 1:00 PM 58.0 2:00 AM 37.7 2:00 PM 58.0 3:00 AM 36.5 3:00 PM 56.8 4:00 AM 35.1 4:00 PM 44.6 5:00 AM 34.0 5:00 PM 36.4 6:00 AM 32.6 6:00 PM 37.8 7:00 AM 36.9 7:00 PM 37.6 8:00 AM 39.2 8:00 PM 35.5 9:00 AM 38.2 9:00 PM 36.3 10:00 AM 35.3 10:00 PM 37.8 11:00 AM 35.4 11:00 PM 35.2 12:00 PM 31.2 Mon 10 -Dec 35.7 1:00 PM 31.9 1:00 AM 32.7 2:00 PM 36.9 2:00 AM 35.9 3:00 PM 33.1 3:00 AM 33.9 4:00 PM 40.5 4:00 AM 41.7 5:00 PM 30.2 5:00 AM 42.7 6:00 PM 38.0 6:00 AM 34.9 7:00 PM 32.0 7:00 AM 36 6 8:00 PM 38.3 8:00 AM 40.5 9:00 PM 29.2 9:00 AM 42.2 10:00 PM 29.0 10:00 AM 41.0 11:00 PM 31.5 11:00 AM 39.3 Sun 9 -Dec 33.8 12:00 PM 40.4 1:00 AM 33.4 1:00 PM 40.0 Attachment 13 MEMO 114j II Overnight Regular Mail Hand Delivery X Other: E-mail TO: Mr. Nick Holland, Cureton Front Range, LLC FROM: Eric L. Bracke, PE, PTOE RE: Cureton Hookside Project — Traffic Narrative DATE: December 28, 2018 OLSSON 018-2184 PROJECT #: PHASE: 300 TASK: 300006 NCO RDBR USR The proposed Cureton Front Range, LLC (Cureton) Hookside Project (Project) in Weld County, Colorado, will include a compressor station, a gas processing plant and interconnecting pipelines for the purpose of processing and the transportation of raw natural gas through pipelines. The Use by Special Review (USR) Permit application addresses the construction of three cryogenic plant trains: (1) 20 -million standard cubic foot per day (MMscfd) processing unit, (2) a 60-MMscfd processing unit, and (3) a 200-MMscfd, as well as a 60-MMscfd compressor station. The Project is located on 162 acres on the northwest section of Weld County Road (WCR) 100 and WCR 99. The Project location is depicted on Figure 1 below. A preliminary site plan is included as Appendix B of the report that accompanies Cureton's USR Permit application. Figure 1 - Vic/n/0' A fap Hookside Site 1 1880 Fall River Drive / Suite 200 / Loveland, CO 80538 O 970.461.7733 / olsson.com M Access to the site will be via two access points off of WCR 100. The access points will be approximately 724 feet and 1,329 feet west of the intersection of WCR 99. Site distance from the driveway to the east and west along WCR 100 is greater than 1,000 feet. Both WCR 100 and WCR 99 are classified as local streets under the Weld County Transportation Plan. Intersection spacing for local roads under the Weld County Code is a minimum of 300 feet. WCR 100 and WCR 99 are gravel surfaces and rest on 60 feet of right-of-way (ROW). The hours and days of operations for the Hookside facility will be year-round, 24 hours a day, and 7 days per week. There are two shifts proposed. Construction phasing for the Project is described in Section 2.1.2 of the report that accompanies Cureton's USR Permit application. For the first phase of the Project, the Project site will be an unmanned facility with 1-2 visits per day by up to 1-2 staff to perform routine maintenance, safety checks, and other facility management duties. Future phases will be operational and require shift work. For the second phase, 4-6 employees will be required for the first shift with 2-4 employees working during the second shift. For the third phase, there will be an additional 2-4 staff (so 6-10 employees) working the first shift, and an additional 2-3 employees working during the second shift (so 4-7 employees). For the last phase, or final build out, there will be an additional 2-4 staff working during the first shift (so 8-14 employees) and an additional 1-2 staff working during the second shift (or 5-9 employees). Anticipated trip generation for the facility at full build out is as follows: • 14-23 passenger vehicles/pickups (roundtrip per day) • 10-15 tanker trucks/tandem trucks (roundtrip per day) During construction of the site, semi -tractor trailers will be used to haul equipment and materials to the site. Additionally, passenger cars/trucks will be used to transport construction workers to and from the site. Cureton plans to phase the construction/site build out of the Project. Cureton's anticipated four phases of construction are described here. 60-MMscfd Compressor Station Phase Construction of the Compressor Station Phase will consist of a 60-MMscfd compressor facility. Facility construction will take 3 to 5 months. The equipment will include but not be limited to: natural-gas fired compressors, a glycol dehydration unit, atmospheric storage tanks, a combustor, and associated electrical and piping. The facility will require 16 acres of disturbance that includes approximately 10 acres of temporary areas (e.g., construction trailers, construction parking, Conex boxes, etc.) that will be maintained throughout all phases of construction. Additionally, new 500 -kilo -volt-ampere (kVA), three-phase power will be installed; this will be brought in to the Project site from Morgan County Rural Electric Association (MCREA) distribution. For future phases, new 5- megavolt (MV) power will be brought in to the Project site from Tri-State transmission line. This 2 1880 Fall River Drive / Suite 200 / Loveland, CO 80538 O 970.461.7733 / olsson.com olsson connection will be installed in conjunction with MCREA and will only have to be done once for the remaining phases of the Project. When the next phase of the Project is constructed. an additional 50 acres will be required to be developed, independent of the phase being installed. Therefore, the first phase of cryogenic construction will have the largest area of disturbance. 20-MMscfd Processing Unit Phase Construction of the 20-MMscfd Processing Unit Phase will consist of a 20-MMscfd processing facility. Facility construction will take 3 to 5 months. The equipment will include but not be limited to: natural-gas fired compressors, a glycol dehydration unit. refrigeration processing skid, atmospheric storage tanks, pressurized storage tanks, truck loading and unloading racks, facility flare, and associated electrical and piping. The construction will also include a control room building and office building. The facility will require 5 acres of disturbance. 60-MMscfd Processing Unit Phase Construction of the 60-MMscfd Processing Unit Phase will consist of a 60-MMscfd processing facility. Facility construction will take 5 to 9 months. The equipment will include but not be limited to: natural-gas fired compressors, a glycol dehydration unit, cryogenic processing skid and tower, stabilizer tower, atmospheric storage tanks, pressurized storage tanks, truck loading and unloading racks, facility flare, and associated electrical and piping. 200-MMscfd Processing Unit Phase Construction of the 200-MMscfd Processing Unit Phase will take 6 to 9 months. Ihe equipment will include but not be limited to: natural-gas fired compressors, a glycol dehydration unit, cryogenic processing skid and tower, stabilizer tower, atmospheric storage tanks, pressurized storage tanks, truck loading and unloading racks, facility flare, and associated electrical and piping. Trip distribution of site traffic for both construction and operations is expected to be 60 percent from the east and 40 percent from the west, utilizing WCR 100. Haul routes as well as employee travel will use WCR 100 as depicted on Figure 2 below. Travel to the west would be on WCR 100 to WCR 89, then south to SH 14. Travel to the east would be on WCR 100 to WCR 390. then south to SH 14 on WCR 105. 3 1880 Fall River Drive / Suite 200 / Loveland. CO 80538 O 970.461.7733 / olsson.com oisson Figure 2 - Haul Routes It is assumed, based on the location of the site, that WCR 100 is carrying less than 100 vehicles per day (vpd). With up to 46 passenger vehicles daily trips (23 in and 23 out) and up to 30 truck trips per day (15 in and 15 out) and assuming a 10 percent peak -hour factor for the worst -case scenario, the site would generate approximately 7 peak -hour trips at the driveways of the site and WCR 100. The Weld County Code for auxiliary lanes is as follows: • 10 vph during peak -hour turning left into the facility — left turn deceleration lane • 25 vph during peak -hour turning right into the facility — right turn deceleration lane • 50 vph during peak -hour turning right out of the facility — right turn acceleration The Project will not trigger any of the auxiliary lane requirements as stipulated under the Weld County Code. The low level of traffic generated by the site, the low volumes of existing traffic, and the undeveloped nature of the surrounding area all factor in to minimal. if any. traffic impacts associated with the development proposal. Please contact me directly if you have any questions at 970-635-3739 or ebrackena,olsson.com. 4 1880 Fall River Drive / Suite 200 / Loveland, CO 80538 O 970 461 7733 / olsson.com LIGHTING FIXTURE I RECEPTACLE SCHEDULE O O O w w d_ to tv D a) L V (/) to CD OD • E rn L a U 1_ tv V U O .L t >O CU CU UJ i O a cC Q D 'n o 1/4.0 v V - a. 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AGCY L G -t LL 3E XI'.S T ASO S -t CC this document n .upyrighteu and is an instrument ument o1 servce by Samuel Engmeenn.h (SE) a was prepared solely lop the Owners/Client's use on this project only Use, copy or disclosure or any m(ormabon shown, in whole or in part. without SE's consent, is strictly prohroitap. is a copyright breach and ma, be prosecuted tor unauthonted reuse snail to a! the bole nih of the user AL.. 3=C -C _ D:455 ALD:1,3a AL_ 3_J _ Ch't AL.. 3 •aG _ AL_ 3. -X #r _E':eas 1t:4 c_Q c-: aria.. L3; • C s. 5: t*S J. 33 DS CONCFLE1E E)EE TA L '.'1''li'-: BR.'• -C'% & A FICA. 33' TS v ./ v ✓v v -vry v ry v ✓✓v r✓ rr✓r-or r ✓✓..- V be- ... tb.JC TC Ta! - E ' .5' CFI E Ceti 3.'•N F:)? -' =LI-.R 52 MUM- TC T?! ' ? ':.tE EEC; T33 Y P..,'•. 4 1P.1 TYPE = f} -LIFE PX E I.oJS tie _ GHT 531'1 . f7: 6 O 2: V. LP 1iHr SHE. :-EC, _T ce v S3? Mr..)LsE :2 hOJCTIC T2! -F A'cra -1C ce:tL\ a tiC'1'1 KALE N.T.S, UATE LIEN- CURETON (diDREW MIDSTREAM " LOCATION: WELD COUNTY, CO DESIGNED GD. ULRICH 03/07/19 BP BH BH B REVISED ISSUED FOR PERMIT 03/27/19 CDU mum C.D. ULRICH 03/07/19 BP BH BH A ISSUED FOR PERMIT 03/08/19 CDU CHECKEC B. HILMES 03/07/19 Samuel Engineering co in- ) /01.700 Solutions h4�0 I Crescent Paikswy Suite 200 Phone 303 ] uiecnwcod Village L.0 60111.261E Fat 303; DWG NO DESCRIPTION a u5 ur2 a D u W 2 u W No. DESCRIPTION SCR I P T I O N DATE EiY APPROVED REFERENCE DRAWINGS r REVISIONS ADVNOyE. 1 SIG.. TISG 3 PZ€ ' i;%': 1 2'. '4- PI'.COJIco'-t SAT.: aG TON F.2.ID-DRY SE -L31 2:.'•W-12=:' She_E at. '%C- a.E• 1'- a i SS t E1'.' 2 -D:53.....1->a CAFPICc. s '.'.ET LCC:-. TON B\� 14 4840 14 4800 TITLE PROJECT NUMBER HOOKSIDE GAS PLANT 280MMSCFD CRYOGENIC GAS PLANT ELECTRICAL - SCHEDULE LIGHTING FIXTURE SCHEDULE 18189 DRAWING NUMBER HSGP-EE-090 R1 V. 2 3 SFy A B C D G H ,.ED O NORTH LI" I MARL LIGHT POLE LIMP., SEE LEGEND REFERENCE DRAWINGS A HSGP-EE-310 1 HSGP-EE-313 ' cb1■ AMINE UNIT ■ [I7 HMO prt- • HSGP-EE-316 HSGP-EE-319 B ILHSGP-EE-311 .Li III III HSGP-EE-314 ruj Inc RESIDUE mMParsslun RESIDUE OMParssmx 200 MM.:ED Sarre 79', • B 1 ® i HSGP-EE-315 • II 1 J. 11 .. nDTDI. oo 1 YT HSGP-EE-317 HSGP-EE-318 LOW II1g� 11L I i ii I I I TABILI REVISIONS HSGP-EE-320 1111 r w , Io HSGP-EE-321 URI Oq - O_ • SEE PROJECT 19021 ©fD mar COMPREL ID • oD BO' RADIO __-- -_ -- HSGP-EE-324 nlnnnnnlllllllll�llllllllr� wi LxLEr l . 1 iI HSGP-EE-325 /-1l 01 111111111 Q✓ 111111111 11111111111 019111110111111111111111111 III DETENTION BOND HSGP-EE-326 1 SII NOTES: I. REFER IQ ELECTRICAL CONSIRUCTION SPECIFICATION NU. HMO FOR DESIGN BRIIERIA. ANT DESIGN DWG. N.GP PP O.o AND HSGP PP 051 FOR EQUIPMENT LAYOUT ANo EQUIPMENT LEGEND. LEGEND: • ELECTRICAL LIGHT P01.1 AND FIXTURES. SEE LIGHTING FIXTURE SCHEDULE r BR ISSUED FOR PERMIT mmm C.0 uuncH 02/1.019 63/08/19 1.1,ILMES ; 00/19.119 u•• CURETON MIDSTREAM REVISIONS ELD COUNTY, CO Samuel Engineering CURETON MIDSTREAM Gmermoo0BRBBB CORM, Fm BLUM.MBO0 PROJECT NUMBER HOOKSIDE GAS PLANT 200MMSCED CRYOGENIC GAS PLANT ELECTRICAL UGHTING SITE KEY PLAN _.--. 18189 -_- DRAWING NUMBER HSGP-EE-300 A D G H 2 3 4 Record of Conversation Call Participants: Nick Holland, Cureton Front Range, LLC, Director, EHSR, 518 17th Street, Suite 1405, Denver, CO 80202, 720-390-4506 Jody Glennon, Olsson Project Manager, 1525 Raleigh Street, Suite 400, Denver, CO 80204, 720-219-7767 Vernon (Vern) Koehler, District Minerals & Lands Staff, U.S. Forest Service (USFS), Pawnee National Grasslands, 115 North 2nd Avenue, P.O. Box 386, Ault, CO 80610, 970-834-9272 Date & Time: February 13, 2019, 8:30-9:00 a.m. Subject: Cureton Front Range, LLC (Cureton) Hookside Project Stakeholder Outreach In follow-up to Cureton's January 29, 2019 initial stakeholder outreach mailing to land owners within 500 feet of the parent parcel of the Hookside Project site that included an invitation for land owners to call or meet with Cureton to discuss the Project in more detail, ask questions, and provide feedback regarding the Project, Vern Koehler/USFS contacted Nick Holland/Cureton by e-mail on February 11, 2019. Mr. Koehler requested a phone call with Cureton to discuss the proposed Project and a few questions on behalf of the USFS. On February 11, 2019, Jody Glennon/Olsson (Cureton's contractor for the Weld County Use by Special Review [USR] permit) e -mailed a calendar invite to Mr. Koehler, proposing a February 13, 2019 call at 8:30 a.m. On February 12, 2019, Mr. Koehler accepted the call invite. During the February 13 call, Mr. Koehler communicated that the USFS is interested in whether the proposed Hookside Project would impact grazing on Pawnee National Grassland parcels and/or users (recreational or other) of such parcels. Mr. Holland responded that no impacts to USFS Pawnee National Grasslands are anticipated from the Hookside Project with the development being limited to a private, non -Grassland parcel. Mr. Koehler then asked if impacts to Weld County Road (WCR) 100 and WCR 99 are anticipated from the Project. Mr. Holland responded that two access points for the Project are being proposed off of WCR 100, and provided an overview of the proposed phasing for the Project. Mr. Koehler inquired as to whether visitor access to the Pawnee National Grassland along WCR 99 would be blocked or re-routed as a result of the Project, citing the two -track, dirt road nature of WCR 99. Mr. Holland responded that no changes to the design of WCR 99, nor access along it, are proposed as part of the Project. Mr. Holland noted that the anticipated traffic from the proposed Hookside Project would be similar to that experienced for the Sterling Energy Plant west of Cureton's proposed Project site. Mr. Koehler noted that he did not anticipate impacts to wildlife habitat from the Project. He noted that no raptor nests are nearby. Ms. Glennon noted that only one ferruginous hawk site was mapped by the Colorado Oil and Gas Conservation Commission (i.e., a ferruginous hawk site depicted approximately 1.39 miles north-northeast of the Project area). Mr. Koehler indicated there may be prairie dog town 1 considerations along the road right-of-way (ROW) depending on final Project design. Mr. Holland referenced the Phase I Environmental Site Assessment (ESA) that was conducted and reported on for the Project, and Ms. Glennon referenced the environmental assessment report that was prepared for the Project — both reports are available on Weld County's website that referral agencies were directed to. Mr. Koehler noted the playa located in the southwest corner of the Project site. Ms. Glennon noted the presence of playas in the Project area corresponds with the National Wetland Inventory (NWI) mapped wetland and that those were considered in the design of the Project and avoided through Cureton's revised design. Mr. Koehler inquired as to how water would be brought on site. Ms. Glennon indicated a water well will need to be installed at the facility to provide post -construction water once the facility is manned (i.e., beginning with the second phase). Cureton will apply for a water well permit with the Colorado Division of Water Resources (DWR) to drill a new commercial water well to supply potable water at the plant post construction. Mr. Holland noted the well would provide fresh water and water for sanitation. Mr. Koehler referenced the South Platte Water Related Activities Program, Inc. (SPWRAP) (a Colorado non- profit corporation established by Colorado water users for the purpose of representing water users' interests and partnering with the State of Colorado to implement the Platte River Recovery Implementation Program [PRRIP] in central Nebraska) and noted that the State Engineer's Office looks at SPWRAP considerations in permitting, considering surface water and underground recharge of well water. Ms. Glennon noted that the team is aware if the Project results in consumptive use of waters from the Platte River basin, federally listed species associated with the Platte River may be impacted by the Project and that coordination with the U.S. Fish and Wildlife Service (USFWS) would be required prior to construction to determine the need for a Biological Assessment/Biological Opinion; however, Cureton is not proposing to take/utilize waters from the Platte River basin as part of its Project construction or operations. Mr. Koehler noted that a couple water wells were nearby and that the State would assess whether a new well would have any connectivity to those wells. Mr. Koehler inquired about storm water, erosion, and grading controls, and Cureton's plans to manage fugitive dust. Mr. Holland noted that Cureton would be not be bringing oil onto the site as part of the proposed Hookside Project; the proposed facility is for processing natural gas. Ms. Glennon noted that the team is aware stormwater discharges associated with construction activities directly related to oil and gas production are regulated under the Colorado Discharge Permit System (CDPS), and that because Cureton's construction activities would disturb greater than one acre, they would require coverage under the CDPS General Permit for Storm Water Discharges Associated with Construction Activities. Cureton is developing a Stormwater Management Plan (SWMP) and will apply for a Stormwater Discharge Permit for Construction Activities through the Water Quality Control Division of the Colorado Department of Public Health and Environment (CPDHE). Mr. Koehler indicated Cureton would need to control dust and provide for erosion control. Mr. Holland responded that erosion and sediment controls will be maintained during construction to limit fugitive dust and mitigate soil erosion and sedimentation in accordance with the SWMP, and that Mr. Koehler's concerns mimic those typical of Weld County. The disturbed areas of the site will be stabilized and best management practices (BMPs) will be employed during construction. Both secondary containment and redundant containment will be included such that indirect impacts to USA lands should be avoided. Mr. Koehler asked that Cureton be cognizant of seed mixes selected for reclamation efforts and plan to control potential invasive weeds regardless of whether they are Colorado -State listed noxious weeds. 2 Mr. Koehler noted that smooth brome and cheatgrass are invasive weeds that can easily slip through the cracks of weed management. He also noted that the USFS does not have a preferred seed mix but recommended a blend of cool and warm season grasses that replicate the native grasses on site now. Mr. Koehler suggested Cureton utilize a State or similar approved seed mix for areas that will be reclaimed. Mr. Holland noted that much of the disturbed area for the Hookside Project would be re - purposed with gravel and that a Weed Mitigation Plan would be developed. Ms. Glennon noted the disturbed areas of the site will be stabilized via hardscaping (i.e., gravel) as soon as possible following construction to avoid soil exposure. Mr. Glennon cited the environmental survey and report that was prepared for the Project and indicated no noxious weeds were observed within the Project site during Olsson's survey. Ms. Glennon also noted that Cureton will employ BMPs during construction. The SWMP will include erosion control BMPs to prevent the erosion of soil (including minimizing the amount of disturbed soil through phasing), and construction BMPS will be implemented. As Mr. Koehler noted, construction BMPs will include cleaning equipment and field tools prior to entering the Project site; this will include removing soil, mud, plant parts, seeds, vegetative matter, or other debris that could contain or hold seeds. Mr. Koehler stated that he did not see the Southern Star pipeline and Overland Pass pipeline ROWs depicted on the site plan that was included with the initial stakeholder outreach letter he received (dated January 29, 2019). Mr. Holland committed to having those identified and labeled on the final site plan. Mr. Koehler asked that he be added to the mailing list for the Project so that he receives Project updates and communications that relate to it so he is aware of the Project status should he receive inquiries from the public. He also indicated he plans to discuss the Project with the Board of Directors of the Grazing Association when he meets with them in March, but does not anticipate them having questions or concerns. Mr. Koehler thanked the call team for their time and for answering his questions. Ms. Glennon committed to circling back with Mr. Koehler to see if the Grazing Association has any comments for Cureton's consideration. 3 GURETON MIDSTREAM 518 17'"' STREET, SUITE 1405 DENVER, CO 8O202 PHONE: 303-324-5967 March 21, 2019 Kim Ogle, Planner Weld County Planning Services 1555 North 17th Avenue Greeley, CO 80631 Subject: Cureton Front Range, LLC's Proposed Hookside Project in Weld County, CO Dear Mr. Ogle: As noted in our January 29, 2019 mailing to you, Cureton Front Range, LLC (Cureton) is in the process of expanding its operations in Weld County, Colorado. On December 28, 2018, Cureton submitted a Use by Special Review (USR) Permit application to Weld County for its proposed Hookside Cryogenic Gas Processing Plant and Compressor Station. The Project site is located west of the intersection of Weld County Road (WCR) 99 and WCR 100 (please see the enclosed location map). WCR 100 borders the site on the south; WCR 99 borders the site on the east. The hours and days of operation for the Hookside Project will be year-round, 24 hours a day, and 7 days per week. On -site improvements will include perimeter fencing for the facility (for security) and gravel roads on the property to access the facility. As stated in our January 29 mailing, we are committed to being a good neighbor and sharing timely updates regarding the Project. Cureton's Community Response Line is 720.523.1543 and Cureton's information e-mail address is info@curetonmidstream.com should you have any questions concerning Cureton's proposed development. Additionally, you can access Cureton's Hookside Project website, www.curetonhookside.com, for Project updates. You have received this letter because you are within 500 feet of the parent parcel of the Project site. If you would like to personally call or meet with Cureton to discuss the Project in more detail, ask questions, or provide feedback at a mutually convenient date and time, please contact me at 720.390.4506 or nick.holland@curetonmidstream.com to schedule such a call or meeting. Thank you. Sincerely, Cureton Front Range, LLC Nick Holland, Director EHSR 720-390-4506 enclosure: Cureton Hookside Project, Project Location Map Rfrrivr•ret MAR 4. 5 zoos Wtki L O4 % pass •i.... V E a. Cl, OMINIMIP Cv L a- J cc col z o' c cn av 3 06 0 0 N Q o3 I I Colorado Wyoming Nebraska I ---i .a -- re-- re \e., �-tees 2, _ �- r --"See a -; Utah I .1'"rZ—,�.tora •-�----ti � I ! r 1 7114 i fr---r ; 1 —;— +-�" ; Kansas -- j ��_ f ---,' I I _ I / fas. nel !sti APIPP • ade °ems es del ---- Arizona New Mexico Oklahoma Texas PROJECT: 018-2184 Legend Local Road Hookside Project Site Parent Parcel Weld County Parcel Weld County pees eel. AM' 5.8-11 402 562 _ 'C� s Me ! c$g, Firestone Frederick Erie' 1 470 V Wyoming 6 Nebraska i i .. ..• •Oa ice i I 8 _ C a. gam era Ian. all co vataiiiimeico DRAWN BY: i G. Malek-Madani DATE: December 27, 2018 Cureton Hookside Project Project Location Map Weld County, CO Lfl4JOi t CURETON MIDSTREAM 518 17111 STREET, SUITE 1405 DENVER, CO 80202 PI IONE: 303-324-5967 January 29, 2019 Kim Ogle, Planner Weld County Planning Services 1555 North 17th Avenue Greeley, CO 80631 Subject: Invitation to Call or Meet Regarding Cureton Front Range, LLC's Proposed Hookside Project in Weld County, CO Dear Mr. Ogle: Cureton Front Range, LLC (Cureton) is in the process of expanding its operations in Weld County, Colorado. On December 28, 2018, Cureton submitted a Use by Special Review (USR) Permit application to Weld County for its proposed Hookside Cryogenic Gas Processing Plant and Compressor Station. The Project site is located west of the intersection of Weld County Road (WCR) 99 and WCR 100 (please see the enclosed location map and site map). WCR 100 borders the site on the south; WCR 99 borders the site on the east. The hours and days of operations for the Hookside Project will be year-round, 24 hours a day, and 7 days per week. On -site improvements will include perimeter fencing for the facility (for security) and gravel roads on the property to access the facility. You have received this letter because you are within 500 feet of the parent parcel of the Project site. Cureton is extending an invitation to personally call or meet with nearby landowners to discuss the Project in more detail, answer questions, and solicit feedback regarding the Project at a mutually convenient date and time. If you are interested in learning more about this Project and/or have questions or feedback, please contact Nick Holland at 720.390.4506 or nick.holland@curetonmidstream.com to schedule a call or meeting. Cureton is committed to being a good neighbor and sharing timely updates regarding the Project. Following this initial outreach, Cureton's Community Response Line and Project e-mail address will be shared with landowners within 500 feet of the parent parcel of the Project site, and periodic Project updates will be posted to a Project website until facility operations commence (that website is currently under construction —the website address will be shared when available). Once facility operations commence, Cureton will employ an automated system (selection pending) to notify surrounding landowners of actions occurring at the facility. Our team looks forward to hearing from you. We encourage you to call or meet with us in the next 30 days to let us know your thoughts on the Project as we progress the Project design. Thank you. Sincerely, Cureton Front Range, LLC /a/#/1 Nick Holland, Director EHSR 720-390-4506 nick.holland@curetonmidstream.com enclosures: Cureton Hookside Project, Project Location Map Cureton Hookside Project, Preliminary Overall Site Plan (Subject to Change) V a 05 %GIS118-12-19 F:\201812001-25001018-2%84\40 Colorado Utah Arizona Wyoming Nebraska I --. r- r - M -] i ri l —.rte 1 S l ll _iLel ha................, 1 jaiLess--Prec I ;icefb e •"-• Th.-L.... tri in ..""arnsani / 6-1/hkwbrVi. I orattre—li I j -- ir—Losir.......t.T.,----1i-- --' Kansas IftTai F---Thr`t 1 l ��. el 7...I.:--c--Th /...--. itele ri New Mexico i i Oklahoma Texas Weld County Wyoming niiirratir Greeley s Mead rss .1 Firestone IIFrederick Erie) 474 dis Project Area PROJECT: 018-2184 Legend Local Road Hookside Project Site EDParent Parcel r� Weld County Parcel 2,000 4,000 DRAWN BY: G. Malek-Madani DATE December 27, 2018 Cureton Hookside Project Project Location Map Weld County, CO 1/44/0 )'1/4./1 I PRELIMINARY OVERALL SITE PLAN (SUBJECT TO CHANGE) HOO KSIDE GAS PLANT PARCEL: 040730000002 SECTION 30 TOON 050W USR19-OOO4 NOTES I De GAS11ASTENOPD�ATE,SWARPIXTEE...D DEOPSECTION X, .,,3,o. SOD..., �.wRLO mum, nra 4 IPCOXES A (AWLSar.00c`O0T STRAW. DAGEROY IPARCEL CA 60.2.4000021 OEM ,RAA&ap>z,DCOS) W. MER DAXID.,.A0E0WOOD iM1 00.0 'EXCEL 046.4000051T�e m `AA MEL. cpANTEL ODDEST Iwnma oo C (PNVa.. 5000,0000) OM00x CATTLES LO (v w) i !N 710040. PM? MOy PROPa1T, OVAIDI SCOIT ADDIS 'PARCEL CAME O) iPa04 OEiL0)0P00E•ame) .a�W�mnagitil STYN2 Ds, 2 DE SITE SURVEY Wu/SURa ECRTH15 PAMIR WAS DISPARED Rr X SOWS CO NO WAS PDX. xORISCATAL MIXT STATE EASE.0ROwma. NORTH 2O...EDI dV1CANNAAANNIIA AORLSMS.OS5SHF4N403MNI, .CAP?A: A3PlpgWCNfANANCN3PF3ANIN , Pme Le/MGSI ALL NeiANAAAp11 HMtN OwIS VPOUND I11E PROCUSI. E-vG' mat DIMMED MVO WPM "WIVE GRASSES .. SITE 4IGxnxE ixPwrnnw AND SOILS mwRP.Anox OM UAW. ON 0.9...104 NOT TOKLTL N 1 NORTH LEGEND LLON4W0.R+ .war E.351.2 MGM cur700 OPAITIAO!A4AW ARROW corr. le•ba toms mew rafter SIA{OA! NREEON MIDSTREAM (4TMON loCISIREAM x clam0zn.neu .WIt5 . 447 x.r 1 a.ao.. APAtAt . VI TIO NS PUDA+.`T+0A.tR1w 9 NOOWER'DAS RCVS 1i0NMsCEp,.;T.TOQEN,C NAL PLAN -3 CARL USR19.0004 MAP OVERALL SORE PLAN 18189 00.0400 AONRER HSGP-CE-102 ( M Hello