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Home My WebLink About20142123.tiff STATE OF COLORADO OF OOC COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT na\ AIR POLLUTION CONTROL DIVISION o' TELEPHONE: (303) 692-3150 x 18 *18766 x CONSTRUCTION PERMIT PERMIT NO: 1 3W E2438 Issuance 1 DATE ISSUED: December 19, 2013 ISSUED TO: Kerr-McGee Gathering LLC THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the St. Vrain Compressor Station, located in Section 15, Township 3N, Range 67W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID FUG-35 005 Equipment leaks (fugitive VOCs) from a natural gas compressor station. One (1) Triethylene glycol (TEG), custom made low emission natural gas dehydration unit with a design capacity of 50 MMscf per day. This emissions unit is equipped with two (2) electric glycol pumps (make, model, serial number: TBD) with a design capacity of 6.0 gal/min each. One of the pumps serves as a back- up. This unit is equipped with a flash tank, reboiler and still vent. LED-351 006 There is no stripping gas. Emissions from the regenerator still vent are routed through an air-cooled condenser and a still vent separator. Non-condensable emissions from the regenerator still vent are then routed through a Vapor Recovery Unit (VRU) back to the plant inlet. Emissions from the flash tank are routed to the reboiler for use as fuel or routed through the VRU to the plant inlet. This VRU system is interlocked with the glycol recirculation pumps and is integral to the system. AIRS ID: 123/9BA9 Page 1 of 15 Dehy SM/M Version 2012-1 Colorado Department of Public Health and Environment Air Pollution Control Division Facility AIRS Equipment Point Description ID One (1) Triethylene glycol (TEG), custom made low emission natural gas dehydration unit with a design capacity of 50 MMscf per day. This emissions unit is equipped with two (2) electric glycol pumps (make, model, serial number: TBD) with a design capacity of 6.0 gal/min each. One of the pumps serves as a back- up. This unit is equipped with a flash tank, reboiler and still vent. LED-352 007 There is no stripping gas. Emissions from the regenerator still vent are routed through an air-cooled condenser and a still vent separator. Non-condensable emissions from the regenerator still vent are then routed through a Vapor Recovery Unit (VRU) back to the plant inlet. Emissions from the flash tank are routed to the reboiler for use as fuel or routed through the VRU to the plant inlet. This VRU system is interlocked with the glycol recirculation pumps and is integral to the system. One (1) Triethylene glycol (TEG), custom made low emission natural gas dehydration unit with a design capacity of 50 MMscf per day. This emissions unit is equipped with two (2) electric glycol pumps (make, model, serial number: TBD) with a design capacity of 6.0 gal/min each. One of the pumps serves as a back- up. This unit is equipped with a flash tank, reboiler and still vent. LED-353 008 There is no stripping gas. Emissions from the regenerator still vent are routed through an air-cooled condenser and a still vent separator. Non-condensable emissions from the regenerator still vent are then routed through a Vapor Recovery Unit (VRU) back to the plant inlet. Emissions from the flash tank are routed to the reboiler for use as fuel or routed through the VRU to the plant inlet. This VRU system is interlocked with the glycol recirculation pumps and is integral to the system. One (1) Triethylene glycol (TEG), custom made low emission natural gas dehydration unit with a design capacity of 50 MMscf per day. This emissions unit is equipped with two (2) electric glycol pumps (make, model, serial number: TBD) with a design capacity of 6.0 gal/min each. One of the pumps serves as a back- up. This unit is equipped with a flash tank, reboiler and still vent. LED-354 009 There is no stripping gas. Emissions from the regenerator still vent are routed through an air-cooled condenser and a still vent separator. Non-condensable emissions from the regenerator still vent are then routed through a Vapor Recovery Unit (VRU) back to the plant inlet. Emissions from the flash tank are routed to the reboiler for use as fuel or routed through the VRU to the plant inlet. This VRU system is interlocked with the glycol recirculation pumps and is integral to the system. THIS PERMIT IS GRANTED SUBJECT TO ALL RULES AND REGULATIONS OF THE COLORADO AIR QUALITY CONTROL COMMISSION AND THE COLORADO AIR POLLUTION PREVENTION AND CONTROL ACT C.R.S. (25-7-101 et sea), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: AIRS ID: 123/9BA9 Page 2 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. YOU MUST notify the Air Pollution Control Division (the Division) no later than fifteen days after commencement of operation, by submitting a Notice of Startup form to the Division. The Notice of Startup form may be downloaded online at www.cdphe.state.co.us/ap/downloadforms.html. Failure to notify the Division of startup of the permitted source is a violation of Air Quality Control Commission (AQCC) Regulation No. 3, Part B, Section III.G.1 and can result in the revocation of the permit. 2. Within one hundred and eighty days (180) after commencement of operation, compliance with the conditions contained in this permit shall be demonstrated to the Division. It is the owner or operator's responsibility to self-certify compliance with the conditions. Failure to demonstrate compliance within 180 days may result in revocation of the permit. (Reference: Regulation No. 3, Part B, III.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3, Part B, III.F.4.b. (Reference: Regulation No. 3, Part B, III.F.4.) 4. The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference: Regulation No. 3, Part B, Section III.E.) 5. Points 006-009: The following information about the glycol pumps shall be provided to the Division within fifteen (15) days after commencement of operation. • manufacturer • model number • serial number This information shall be included with the Notice of Startup submitted for the equipment. (Reference: Regulation No. 3, Part B, III.E.) 6. The operator shall retain the permit final authorization letter issued by the Division, after completion of self-certification, with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 7. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3, Part B, Section II.A.4) Monthly Limits: Facility AIRS Pounds per Month Emission Type Equipment ID Point NO, VOC CO Fug-35 005 6333 Fugitive AIRS ID: 123/9BA9 Page 3 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division LED-351 006 170.0 Point LED-352 007 170.0 Point LED-353 008 170.0 Point LED-354 009 170.0 Point (Note: Monthly limits are based on a 31-day month.) The owner or operator shall calculate monthly emissions based on the calendar month. Facility-wide emissions of each individual hazardous air pollutant shall be less than 1,359 lb/month. Facility-wide emissions of total hazardous air pollutants shall be less than 3,398 lb/month. Annual Limits: Facility AIRS Tons per Year Emission Type Equipment ID Point NO, VOC CO Fug-35 005 36.4 Fugitive LED-351 006 1.0 Point LED-352 007 1.0 Point LED-353 008 1.0 Point LED-354 009 1.0 Point See "Notes to Permit Holder"for information on emission factors and methods used to calculate limits. Facility-wide emissions of each individual hazardous air pollutant shall be less than 8.0 tpy. Facility-wide emissions of total hazardous air pollutants shall be less than 20.0 tpy. During the first twelve (12) months of operation, compliance with both the monthly and annual emission limitations is required. After the first twelve (12) months of operation, compliance with only the annual limitation is required. Compliance with the annual limits shall be determined on a rolling twelve (12) month total. By the end of each month a new twelve month total is calculated based on the previous twelve months' data. The permit holder shall calculate emissions each month and keep a compliance record on site or at a local field office with site responsibility for Division review. 8. Point 005: The operator shall calculate actual emissions from this emissions point based on representative component counts for the facility with the most recent gas analysis, as required in the Compliance Testing and Sampling section of this permit. The operator shall maintain records of the results of component counts and sampling events used to calculate actual emissions and the dates that these counts and events were completed. These records shall be provided to the Division upon request. 9. Points 006-009: The owner or operator shall use parametric monitoring of the dehydration system (such as gas throughput, lean glycol recirculation rate, vessel AIRS ID: 123/9BA9 Page 4 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division pressure, vessel temperature, VRU downtime, and pressure relief device inspection records) along with engineering estimates to calculate emissions from this dehydration unit. Recorded operational values shall be provided to the Division upon request. 10. Points 006-009: Emissions from the flash tank shall be routed to the reboiler as fuel or routed to the closed loop vapor recovery unit (VRU) and then to the plant inlet. The still vent stream shall be routed to a closed loop VRU and back to the plant inlet at all times, when the dehydration unit is in operation. PROCESS LIMITATIONS AND RECORDS 11. This source shall be limited to the following maximum processing rates as listed below. Monthly records of the actual processing rate shall be maintained by the owner or operator and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, II.A.4) Process/Consumption Limits Facility AIRS Annual Monthly Limit Equipment Point Process Parameter Limit (31 days) ID LED-351 006 Natural gas throughput 18,250 1550 M Mscf/yr M Mscf/month LED-352 007 Natural gas throughput 18,250 1550 M Mscf/yr M Mscf/month LED-353 008 Natural gas throughput 18,250 1550 M Mscf/yr M Mscf/month LED-354 009 Natural gas throughput 18,250 1550 M Mscf/yr M Mscf/month The owner or operator shall calculate monthly process rates based on the calendar month. During the first twelve (12) months of operation, compliance with both the monthly and annual throughput limitations is required. After the first twelve (12) months of operation, compliance with only the annual limitation is required. Compliance with the annual throughput limits shall be determined on a rolling twelve (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate throughput each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. 12. Points 006-009: This unit shall be limited to the maximum lean glycol circulation rate of 6.0 gallons per minute. The lean glycol recirculation rate shall be recorded daily in a log maintained on site and made available to the Division for inspection upon request. (Reference: Regulation No. 3, Part B, II.A.4) 13. Points 006-009: The VRU and glycol recirculation pump shall be interlocked such that if no VRU is operating, the glycol recirculation pump automatically shuts down. The glycol recirculation pump(s) shall not re-commence operation until after a VRU is back on-line. STATE AND FEDERAL REGULATORY REQUIREMENTS 14. The permit number and AIRS ID point number (e.g. 123/4567/890) shall be marked on the subject equipment for ease of identification. (Reference: Regulation Number 3, Part B, III.E.) (State only enforceable) AIRS ID: 123/9BA9 Page 5 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division 15. Visible emissions shall not exceed twenty percent (20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. Emission control devices subject to Regulation 7, Sections XII.C.1.d or XVII.B.1.c shall have no visible emissions. (Reference: Regulation No. 1, Section II.A.1. & 4.) 16. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) 17. Point 005: This source is located in an ozone non-attainment or attainment-maintenance area and is subject to the Reasonably Available Control Technology (RACT) requirements of Regulation Number 3, Part B, section III.D.2.a. a. RACT for fugitive equipment leaks from gas compressor stations will be the inspection and repair requirements as set forth below: i. Use either optical gas imaging (i.e. IR camera) or portable VOC measurement instrument (i.e. a Method 21 instrument) calibrated and maintained per the manufacturer's recommendations. ii. Screen all pumps, valves, connectors, and pressure relief devices as follows based on the total facility-wide PTE of the fugitive VOC equipment leaks on the following schedule: < 10 TPY: semi-annually > 10 but < 40 TPY: monthly > 40 TPY: weekly iii. Tag all leaking components with date of leak detected, date of repair and date of rescreening. Once a leak is repaired, the tag may be removed. iv. Component leaks greater than 10,000 ppm shall be repaired as set forth below: o A first repair attempt shall be made within five days, with the leak repaired as soon as practicable, but no later than 15 days. Repaired components shall be re-screened within five days of repair to determine if the leak is repaired. If the rescreening shows a leak, then attempt another repair as soon as practicable, but no later than 15 days. Repeat the process until the rescreening shows no leak. o If a leak is detected but it is technically infeasible to make the repair without a process unit shutdown, repair of this equipment shall occur before the end of the next process unit shutdown. Records documenting the rationale shall be maintained, the component placed on the Delay of Repair list, the ID number recorded, and an estimated date for repairing the component included in the facility records. Monitoring to verify the repair must occur within 15 days after startup of the process unit. AIRS ID: 123/9BA9 Page 6 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division v. The following records shall be maintained and kept onsite for five years and shall be made available to the Division upon request: o List of components screened and associated dates o List of leaking components o List of repaired components along with the repair method and associated dates o List of successful repairs, repair delays, and post-repair screenings and associated dates o Dates of monitoring equipment calibration 18. Points 006-009: This dehydrator and VRU system shall be equipped with pressure relief devices (PRDs), including but not limited to PRDs on the reboiler, that operate with an instrument reading of less than 500 parts per million above background except during pressure releases. Compliance with this condition shall be demonstrated by satisfying the requirements of conditions 19 and 22. 19. Points 006-009: The owner or operator shall monitor pressure relief devices (PRDs) on the dehydrator and VRU system, including but not limited to PRDs on the reboiler, on a daily basis to confirm whether a pressure release has occurred. Additionally, PRDs shall be inspected after each event when no VRU is operating to ensure PRDs did not lift during periods of VRU downtime. a. After each pressure release, the PRD shall be returned to a condition indicated by an instrument reading of less than 500 parts per million above background, as soon as practicable, but no later than 5 business days after each pressure release. If it is technically infeasible to repair the PRD without a process unit shutdown, repair of this equipment shall occur before the end of the next process unit shutdown. b. No later than 5 business days after the pressure release and return to organic HAP service, the pressure relief device shall be measured at least once to confirm the condition indicated by an instrument reading of less than 500 parts per million above background. c. The owner or operator shall use either optical gas imaging (i.e. IR camera) or portable VOC measurement instrument (i.e. instrument satisfying Method 21 of 40 CFR Part 60 Appendix A) calibrated and maintained per the manufacturer's recommendations to check the PRD and confirm that the PRD is operating with an instrument reading less than 500 parts per million. If the owner or operator uses optical gas imaging, any emissions imaged by the optical gas instrument at the required detection sensitivity level of 60 grams per hour qualify as a reading greater than 500 parts per million. Additionally, any indications of liquids dripping shall qualify as a reading greater than 500 parts per million d. The following records shall be maintained and kept onsite for five years and shall be made available to the Division upon request: o Records of PRD inspections indicating PRD status and associated dates o Records of PRD monitoring and associated dates o List of readings greater than 500 parts per million o List of repaired PRDs along with the repair method and associated dates AIRS ID: 123/9BA9 Page 7 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division o List of repair delays and post-repair screenings and associated dates o If optical gas imaging is used for monitoring, a video record must be used to document monitoring results. The video record must include a time and date stamp for each monitoring event. o Dates of monitoring equipment calibration. 20. Points 006-009: This source is subject to the requirements of 40 CFR, Part 63, Subpart HH - National Emission Standards for Hazardous Air Pollutants for Source Categories from Oil and Natural Gas Production Facilities including, but not limited to, the following: • §63.764 - General Standards o §63.764 (e)(1) -The owner or operator is exempt from the requirements of paragraph (d) of this section if the criteria listed in paragraph (e)(1)(i) or (ii) of this section are met, except that the records of the determination of these criteria must be maintained as required in §63.774(d)(1). • §63.764 (e)(1)(ii) — The actual average emissions of benzene from the glycol dehydration unit process vent to the atmosphere are less than 0.90 megagram per year, as determined by the procedures specified in §63.772(b)(2) of this subpart. • §63.772 - Test Methods, Compliance Procedures and Compliance Demonstration o §63.772(b) - Determination of glycol dehydration unit flowrate or benzene emissions. The procedures of this paragraph shall be used by an owner or operator to determine glycol dehydration unit natural gas flowrate or benzene emissions to meet the criteria for an exemption from control requirements under §63.764(e)(1). o §63.772(b)(2) - The determination of actual average benzene emissions from a glycol dehydration unit shall be made using the procedures of either paragraph (b)(2)(i) or (b)(2)(ii) of this section. Emissions shall be determined either uncontrolled, or with federally enforceable controls in place. • §63.772(b)(2)(i) — The owner or operator shall determine actual average benzene emissions using the model GRI-GLYCaIc TM Version 3.0 or higher, and the procedures presented in the associated GRI-GLYCaIc TM Technical Reference Manual. Inputs to the model shall be representative of actual operating conditions of the glycol dehydration unit and may be determined using the procedures documented in the Gas Research Institute (GRI) report entitled "Atmospheric Rich/Lean Method for Determining Glycol Dehydrator Emissions" (GRI-95/0368.1); or • §63.772(b)(2)(ii) - The owner or operator shall determine an average mass rate of benzene emissions in kilograms per hour through direct measurement using the methods in §63.772(a)(1)(i) or (ii), or an alternative method according to §63.7(f). Annual emissions in kilograms per year shall be determined by multiplying the mass rate by the number of hours the unit is operated per year. This result shall be converted to megagrams per year. AIRS ID: 123/9BA9 Page 8 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division • §63.774 - Recordkeeping Requirements o §63.774 (d)(1) - An owner or operator of a glycol dehydration unit that meets the exemption criteria in §63.764(e)(1)(i) or §63.764(e)(1)(ii) shall maintain the records specified in paragraph (d)(1)(i) or paragraph (d)(1)(ii) of this section, as appropriate, for that glycol dehydration unit. • §63.774 (d)(1)(ii) - The actual average benzene emissions (in terms of benzene emissions per year) as determined in accordance with §63.772(b)(2). OPERATING & MAINTENANCE REQUIREMENTS 21. This source is not required to follow a Division-approved operating and maintenance plan. COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 22. Point 005: Within one hundred and eighty days (180) after commencement of operation, the owner or operator shall complete the initial extended gas analysis of gas samples that are representative of volatile organic compound (VOC) and hazardous air pollutants (HAP) that may be released as fugitive emissions. This extended gas analysis be used in the compliance demonstration as required in the Emission Limits and Records section of this permit. The operator shall submit the results of the gas analysis and emission calculations to the Division as part of the self-certification process to ensure compliance with emissions limits. 23. Point 005: Within one hundred and eighty days (180) after commencement of operation, the operator shall complete a hard count of components at the source and establish the number of components that are operated in "heavy liquid service", "light liquid service", "water/oil service" and "gas service". The operator shall submit the results to the Division as part of the self-certification process to ensure compliance with emissions limits. 24. Points 006-009: The owner or operator shall perform an initial screening of all PRDs on the dehydrator and VRU system to confirm that each PRD is operating with an instrument reading less than 500 parts per million. The owner or operator shall use either optical gas imaging (i.e. IR camera) or portable VOC measurement instrument (i.e. instrument satisfying Method 21 of 40 CFR Part 60 Appendix A) for the initial monitoring. The instrument shall be calibrated and maintained per the manufacturer's recommendations. If the owner or operator uses optical gas imaging, any emissions imaged by the optical gas instrument at the required detection sensitivity level of 60 grams per hour qualify as a reading greater than 500 parts per million. Additionally, any indications of liquids dripping shall qualify as a reading greater than 500 parts per million. Results of this initial monitoring shall be submitted to the Division as part of the self-certification process to ensure compliance with Condition 17. (Reference: Regulation No. 3, Part B, Section III.E.) 25. Points 006-009: The owner or operator shall complete the initial annual extended wet gas analysis testing required by this permit and submit the results to the Division as part of the self-certification process to ensure compliance with emissions limits. (Reference: Regulation No. 3, Part B, Section III.E.) AIRS ID: 123/9BA9 Page 9 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division Periodic Testing Requirements 26. Point 005: On an annual basis, the owner or operator shall complete an extended gas analysis of gas samples that are representative of volatile organic compounds (VOC) and hazardous air pollutants (HAP) that may be released as fugitive emissions. This extended gas analysis shall be used in the compliance demonstration as required in the Emission Limits and Records section of this permit. 27. Points 006-009: The owner or operator shall complete an extended wet gas analysis prior to the inlet of the TEG dehydrator on an annual basis. Results of the wet gas analysis shall be used to calculate emissions of criteria pollutants and hazardous air pollutants per this permit and be provided to the Division upon request. ADDITIONAL REQUIREMENTS 28. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A, II.C) a. Annually by April 30th whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting 100 tons per year or more, a change in actual emissions of five percent or 50 tons per year or more, whichever is less, above the level reported on the last APEN submitted; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or a No later than 30 days before the existing APEN expires. 29. Federal regulatory program requirements (i.e. PSD, NANSR or Title V Operating Permit) shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition. Any relaxation that increases the potential to emit above the applicable Federal program threshold will require a full review of the source as though construction had not yet commenced on the source. The source shall not exceed the Federal program threshold until a permit is granted. (Regulation No. 3 Part D). GENERAL TERMS AND CONDITIONS: 30. This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3, Part B, Section II.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 31. If this permit specifically states that final authorization has been granted, then the remainder of this condition is not applicable. Otherwise, the issuance of this construction AIRS ID: 123/9BA9 Page 10 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division permit does not provide "final" authority for this activity or operation of this source. Final authorization of the permit must be secured from the APCD in writing in accordance with the provisions of 25-7-114.5(12)(a) C.R.S. and AQCC Regulation No. 3, Part B, Section III.G. Final authorization cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. Once self-certification of all points has been reviewed and approved by the Division, it will provide written documentation of such final authorization. Details for obtaining final authorization to operate are located in the Requirements to Self- Certify for Final Authorization section of this permit. 32. This permit is issued in reliance upon the accuracy and completeness of information supplied by the owner or operator and is conditioned upon conduct of the activity, or construction, installation and operation of the source, in accordance with this information and with representations made by the owner or operator or owner or operator's agents. It is valid only for the equipment and operations or activity specifically identified on the permit. 33. Unless specifically stated otherwise, the general and specific conditions contained in this permit have been determined by the APCD to be necessary to assure compliance with the provisions of Section 25-7-114.5(7)(a), C.R.S. 34. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certification and final authorization by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the owner or operator, or the Division revokes a permit, the owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 35. Section 25-7-114.7(2)(a), C.R.S. requires that all sources required to file an Air Pollution Emission Notice (APEN) must pay an annual fee to cover the costs of inspections and administration. If a source or activity is to be discontinued, the owner must notify the Division in writing requesting a cancellation of the permit. Upon notification, annual fee billing will terminate. 36. Violation of the terms of a permit or of the provisions of the Colorado Air Pollution Prevention and Control Act or the regulations of the AQCC may result in administrative, civil or criminal enforcement actions under Sections 25-7-115 (enforcement), -121 (injunctions), -122 (civil penalties), -122.1 (criminal penalties), C.R.S. By: Peter Armington Permit Engineer AIRS ID: 123/9BA9 Page 11 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division Permit History Issuance Date Description Issuance 1 This Issuance Issued to Kerr-McGee Gathering LLC for a low emission dehydration unit. AIRS ID: 123/9BA9 Page 12 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division Notes to Permit Holder at the time of this permit issuance: 1) The permit holder is required to pay fees for the processing time for this permit. An invoice for these fees will be issued after the permit is issued. The permit holder shall pay the invoice within 30 days of receipt of the invoice. Failure to pay the invoice will result in revocation of this permit (Reference: Regulation No. 3, Part A, Section VI.B.) 2) The production or raw material processing limits and emission limits contained in this permit are based on the consumption rates requested in the permit application. These limits may be revised upon request of the owner or operator providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and complete application form must be submitted with a request for a permit revision. 3) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The owner or operator shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part II.E.1. of the Common Provisions Regulation. See: http://www.cd phe.state.co.us/regulations/ai rregs/100102aaccco mmo nprovisionsrea.pdf. 4) The following emissions of non-criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s) operate at the permitted limitations. Uncontrolled Controlled Emission Are the Emission AIRS Rate emissions Rate Point Pollutant CAS# BIN (Ib/yr) reportable? (Ib/yr) Benzene 71432 A 1,340 Yes 1340 Toluene 108883 C 1,995 Yes 1995 005 Ethyl benzene 100414 C 280 No 280 Xylenes 1330207 C 1,373 Yes 1373 n-Hexane 110543 C 4,551 Yes 4551 5) Points 006-009: The emission levels contained in this permit are based on information provided in the application and engineering estimates. Point 005: The emission levels contained in this permit are based on the following emission factors: Component Gas Service Heavy Oil Light Oil Water/Oil Service Connectors 3090 955 1978 10 Flanges 962 19 188 0 Open-ended Lines 0 0 0 0 Pump Seals 4 0 18 0 Valves 732 97 333 0 Other* 172 1 74 0 VOC Content(wt. 0.2500 1.0000 0.9960 0.0000 fraction) Benzene Content(wt. 0.0020 0.0000 0.0250 0.0000 fraction) Toluene Content(wt. 0.0020 0.0000 0.0400 0.0000 fraction) Ethylbenzene(wt. 0.0005 0.0000 0.0050 0.0000 AIRS ID: 123/9BA9 Page 13 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division fraction) Xylenes Content(wt. 0.0005 0.0000 0.0300 0.0000 fraction) n-hexane Content(wt. 0.0050 0.0000 0.0900 0.0000 fraction) *Other equipment type includes compressors, pressure relief valves, relief valves, diaphragms, drains, dump arms, hatches, instrument meters, polish rods and vents TOC Emission Factors (kg/hr-component): Component Gas Service Heavy Oil Light Oil ervi S Water/Oil Service Connectors 2.0E-04 7.5E-06 2.1E-04 1.1E-04 Flanges 3.9E-04 3.9E-07 1.1E-04 2.9E-06 Open-ended Lines 2.0E-03 1.4E-04 1.4E-03 2.5E-04 Pump Seals 2.4E-03 NA 1.3E-02 2.4E-05 Valves 4.5E-03 8.4E-06 2.5E-03 9.8E-05 Other 8.8E-03 3.2E-05 7.5E-03 1.4E-02 Source: EPA-453/R95-017 Note that the emission limits included in this permit are derived by multiplying the equipment counts in the table above by a factor of 1.1 to accommodate other minor changes to the facility and to provide a conservative estimate of facility-wide emissions. Compliance with emissions limits in this permit will be demonstrated by using the TOC emission factors listed in the table above with representative component counts, multiplied by the VOC content from the most recent gas analysis. 6) In accordance with C.R.S. 25-7-114.1, each Air Pollutant Emission Notice (APEN) associated with this permit is valid for a term of five years from the date it was received by the Division. A revised APEN shall be submitted no later than 30 days before the five-year term expires. Please refer to the most recent annual fee invoice to determine the APEN expiration date for each emissions point associated with this permit. For any questions regarding a specific expiration date call the Division at (303)-692-3150. 7) This facility is classified as follows: Applicable Status Requirement Operating Permit Synthetic Minor Source of: CO NANSR Minor Source PSD Minor Source MACT HH Major Source Requirements: Not Applicable Area Source Requirements: Not Applicable 8) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://ecfr.gpoaccess.qov/ AIRS ID: 123/9BA9 Page 14 of 15 Colorado Department of Public Health and Environment Air Pollution Control Division Part 60: Standards of Performance for New Stationary Sources NSPS 60.1-End Subpart A—Subpart KKKK NSPS Part 60, Appendixes Appendix A—Appendix I Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 Subpart A—Subpart Z MACT 63.600-63.1199 Subpart AA—Subpart DDD MACT 63.1200-63.1439 Subpart EEE—Subpart PPP MACT 63.1440-63.6175 Subpart QQQ—Subpart YYYY MACT 63.6580-63.8830 Subpart ZZZZ—Subpart MM M M M MACT 63.8980-End Subpart NNNNN —Subpart XXXXXX 9) An Oil and Gas Industry Construction Permit Self-Certification Form is included with this permit packet. Please use this form to complete the self-certification requirements as specified in the permit conditions. Further guidance on self-certification can be found on our website at: www.colorado.gov/cdphe/oilaaspermits AIRS ID: 123/9BA9 Page 15 of 15 STATE OF COLORADO an ri e'rnma da Cn^_-^3nrrnr .,,, taire WS.di tMS w $+'§ Eddedirva C rocior and Chia MA'S Met y+ dtddli Cediuded io rent nrd iild npfddidd Ihg deal:hitid eSfon'npnt Wine p.m,.oI C prm!i4 #+h .:.1). 4WD C.-eery Crzek P•.S. Labo.at:ayS uces d�SS \ 'r bnao-er,Cden,dc'6246-t53O $•GG t awry E$4 tea Pon e,D'$6@a .p.. 6nnv4i.a••s '.n$ita34..66S6 Colorado[7cpa�tment iomed k^ule tti n `uGoral* {3d3i a3a-30X of PutilicHealt4t two c..In.anngnsrvciphe and Environmau.. January 22,2014 Jennifer Shea Kerr-McGee Gathering, LLC PO Box 173779 Denver, CO 80217-3779 RE: Oil &Gas RICE GP02 General Permit Approval for APEN Document#297216 Dear Jennifer Shea: The Colorado Air Pollution Control Division approves your company's registration of the equipment described below for coverage under general permit GP02 for natural gas fired reciprocating internal combustion engines (RICE) used at oil and gas sources. Please refer to general permit GP02 for all applicable requirements, limitations, terms and conditions. A copy of the general permit may be obtained via the Internet at the following web address: http://www.co to rado.qov/cs/Satel I ite/CDP H E-AP/CBO N/1251596446083 The following Table 1 contains identifying information for the engine to which this registration approval applies. Table 1 Company Name: KERR-MCGEE GATHERING, LLC Stationary Source "Plant" ST.VRAIN C.S. Name: Emissions Point AIRS ID: 123-9BA9-001 Stationary Source Location: SEC 15 T3N R67W PLATTEVILLE AREA WELD COUNTY APEN Document#: 297216 APEN Signature Date: 6/26/2013 The following Table 2 contains specific equipment information and process and emissions limits for the engine to which this registration approval applies. Table 2 Engine Manufacturer: Caterpillar Engine Model: G3606 LE Engine Serial Number: TBD Fuel Consumption Limit: 119.40 Million standard cubic feet per year 12.0 Tons NOX per year Emissions Limits: 4.3 Tons CO per year 7.5 Tons VOC per year Table 3 This engine subject to New Source Performance Standard (NSPS) Subpart: JJJJ This engine subject to Maximum Achievable Control Technology(MACT) area source ZZZZ requirements for subpart: Is this engine located at a synthetic minor stationary source for Title V Operating Permit, Yes New Source Review, or MACT requirements? Is this engine located at a synthetic minor stationary source of NOX or CO?(If"yes", Yes stack testing is required for NOx and CO if the engine is equipped with a catalytic emission control device and the engine's nameplate-rating is greater than or equal to 500 hp). Is this engine located at a synthetic minor stationary source of formaldehyde?(If"yes", No stack testing is required for NOx, CO, and formaldehyde if the engine is equipped with a catalytic emission control device and the engine's nameplate-rating is greater than or equal to 500 hp). If you have any questions regarding this letter, please contact me directly at(303) 692-6330. Sincerely, Jir tA£ Peter Armington Permit Engineer Stationary Sources Program Air Pollution Control Division [1] If listed as"to be determined" (TBD) there was not sufficient information within the application to determine applicability. The operator has an obligation to comply with a requirement within the general permit to determine and document all applicable requirements under both NSPS JJJJ and MACT ZZZZ. STATE OF COLORADO an ri e'rnma da Cn^_-^3nrrnr .,z, tare WS.di w tMS $+'§ Eddedirva C rocior and Chia MA'S Met + dtddli Cediuded io rent nrd iild npfddidd Ihg deal:hitid eSfon'npnt Wine p.m,.oI C prm!i4 4WD C.-eery Crzek P•.S. tnabo.stoly Scnvces MSS \ 'r bnao-er,Cden,dc'6246-t5,10 $•GG t awry E$4 tea .. ........m....... Phonee,D'$6@a .p.. 6nnv4i.a••s '.n$ita34..66S6 Colorado[7cpa�tment iomed k^ule tti n `uGoral* (3d3i a3a-30X of Public two c..In.anngnsrvciphe and EnvironmeXst. Jennifer Shea Kerr-McGee Gathering, LLC Po Box 173779 Denver, CO 80217-3779 RE: Oil &Gas RICE GP02 General Permit Approval for APEN Document#297217 Dear Jennifer Shea: The Colorado Air Pollution Control Division approves your company's registration of the equipment described below for coverage under general permit GP02 for natural gas fired reciprocating internal combustion engines (RICE) used at oil and gas sources. Please refer to general permit GP02 for all applicable requirements, limitations, terms and conditions. A copy of the general permit may be obtained via the Internet at the following web address: http://www.co to rado.qov/cs/Satel I ite/CDP H E-AP/CBO N/1251596446083 The following Table 1 contains identifying information for the engine to which this registration approval applies. Table 1 Company Name: KERR-MCGEE GATHERING, LLC Stationary Source "Plant" ST.VRAIN C.S. Name: Emissions Point AIRS ID: 123-9BA9-002 Stationary Source Location: SEC 15 T3N R67W PLATTEVILLE AREA WELD COUNTY APEN Document#: 297217 APEN Signature Date: 6/26/2013 [1] If listed as"to be determined" (TBD) there was not sufficient information within the application to determine applicability. The operator has an obligation to comply with a requirement within the general permit to determine and document all applicable requirements under both NSPS JJJJ and MACT ZZZZ. The following Table 2 contains specific equipment information and process and emissions limits for the engine to which this registration approval applies. Table 2 Engine Manufacturer: Caterpillar Engine Model: G3606 LE Engine Serial Number: TBD Fuel Consumption Limit: 119.40 Million standard cubic feet per year 12.0 Tons NOX per year Emissions Limits: 4.3 Tons CO per year 7.5 Tons VOC per year Table 3 This engine subject to New Source Performance Standard (NSPS) Subpart: JJJJ This engine subject to Maximum Achievable Control Technology(MACT) area source ZZZZ requirements for subpart: Is this engine located at a synthetic minor stationary source for Title V Operating Permit, Yes New Source Review, or MACT requirements? Is this engine located at a synthetic minor stationary source of NOX or CO?(If"yes", Yes stack testing is required for NOx and CO if the engine is equipped with a catalytic emission control device and the engine's nameplate-rating is greater than or equal to 500 hp). Is this engine located at a synthetic minor stationary source of formaldehyde? (If"yes", No stack testing is required for NOx, CO, and formaldehyde if the engine is equipped with a catalytic emission control device and the engine's nameplate-rating is greater than or equal to 500 hp). If you have any questions regarding this letter, please contact me directly at(303) 692-6330. Sincerely, Jir tA£ Peter Armington Permit Engineer Stationary Sources Program Air Pollution Control Division [1] If listed as"to be determined" (TBD) there was not sufficient information within the application to determine applicability. The operator has an obligation to comply with a requirement within the general permit to determine and document all applicable requirements under both NSPS JJJJ and MACT ZZZZ. STATE OF COLORADO an ri e'rnma da Cn^_-^3nrrnr .,z, tare WS.di w tMS $+'§ Eddedirva C rocior and Chia MA'S Met + dtddli Cediuded io rent nrd iild npfddidd Ihg deal:hitid eSfon'npnt Wine p.m,.oI C prm!i4 4WD C.-eery Crzek P•.S. tnabo.stoly Scnvces MSS \ 'r bnao-er,Cden,dc'6246-t5,10 $•GG t awry E$4 tea .. ........m....... Phonee,D'$6@a .p.. 6nnv4i.a••s '.n$ita34..66S6 Colorado[7cpa�tment iomed k^ule tti n `uGoral* (3d3i a3a-30X of Public two c..In.anngnsrvciphe and EnvironmeXst. Jennifer Shea Kerr-McGee Gathering, LLC Po Box 173779 Denver, CO 80217-3779 RE: Oil &Gas RICE GP02 General Permit Approval for APEN Document#297218 Dear Jennifer Shea: The Colorado Air Pollution Control Division approves your company's registration of the equipment described below for coverage under general permit GP02 for natural gas fired reciprocating internal combustion engines (RICE) used at oil and gas sources. Please refer to general permit GP02 for all applicable requirements, limitations, terms and conditions. A copy of the general permit may be obtained via the Internet at the following web address: http://www.co to rado.qov/cs/Satel I ite/CDP H E-AP/CBO N/1251596446083 The following Table 1 contains identifying information for the engine to which this registration approval applies. Table 1 Company Name: KERR-MCGEE GATHERING, LLC Stationary Source "Plant" ST.VRAIN C.S. Name: Emissions Point AIRS ID: 123-9BA9-003 Stationary Source Location: SEC 15 T3N R67W PLATTEVILLE AREA WELD COUNTY APEN Document#: 297218 APEN Signature Date: 6/26/2013 [1] If listed as"to be determined" (TBD) there was not sufficient information within the application to determine applicability. The operator has an obligation to comply with a requirement within the general permit to determine and document all applicable requirements under both NSPS JJJJ and MACT ZZZZ. The following Table 2 contains specific equipment information and process and emissions limits for the engine to which this registration approval applies. Table 2 Engine Manufacturer: Caterpillar Engine Model: G3606 LE Engine Serial Number: TBD Fuel Consumption Limit: 119.40 Million standard cubic feet per year 12.0 Tons NOX per year Emissions Limits: 4.3 Tons CO per year 7.5 Tons VOC per year Table 3 This engine subject to New Source Performance Standard (NSPS) Subpart: JJJJ This engine subject to Maximum Achievable Control Technology(MACT) area source ZZZZ requirements for subpart: Is this engine located at a synthetic minor stationary source for Title V Operating Permit, Yes New Source Review, or MACT requirements? Is this engine located at a synthetic minor stationary source of NOX or CO?(If"yes", Yes stack testing is required for NOx and CO if the engine is equipped with a catalytic emission control device and the engine's nameplate-rating is greater than or equal to 500 hp). Is this engine located at a synthetic minor stationary source of formaldehyde?(If"yes", No stack testing is required for NOx, CO, and formaldehyde if the engine is equipped with a catalytic emission control device and the engine's nameplate-rating is greater than or equal to 500 hp). If you have any questions regarding this letter, please contact me directly at(303) 692-6330. Sincerely, Jir tA£ Peter Armington Permit Engineer Stationary Sources Program Air Pollution Control Division [1] If listed as"to be determined" (TBD) there was not sufficient information within the application to determine applicability. The operator has an obligation to comply with a requirement within the general permit to determine and document all applicable requirements under both NSPS JJJJ and MACT ZZZZ. TECHNICAL MEMORANDUM CHOM-LILLe RED Eir efa PREPARED FOR: Weld County Public Works �q : COPY TO: Nathan Keiser, Anadarko Petroleum Corporation 4 579 . i) , wt PREPARED BY: Ronald B. Heitland, CH2M HILL Engineers. Inc. �'�' � iGt_ DATE: July 1, 2014 I RE: Anadarko St. Vrain Compressor Site - Site Drainage Narrative (Revised) This memorandum is intended to outline the historic drainage patterns, proposed improvements, and water quality capture feature design for the above referenced gas support facility. OVERVIEW The site is located in the E 1/2 of the NW 1/4 of Section 15, Township 3 North, Range 67 West of the 6th Principal Meridian, Weld County, Colorado. The project entails the construction of a new gas compressor station. The developed site encompass approximately 20.5 acres within the parcel number 120915200036 owned by Anadarko E & P Company, LP. The existing site is an irrigated agricultural field. The site slopes at less than 0.5% from a high point at the center of the site towards the northwest, and at less than 1% from the highpoint to the south side of the site. The existing site drainage towards the northwest moves by sheet flow to a low point in the agricultural field where it infiltrates into the soil. The existing site drainage towards the south also moves by sheet flow to a low point in the agricultural field where it infiltrates into the soil. The site is not located within a FEMA designated 100 year floodplain, as per Flood Insurance Rate Map number 0802660750C. The site is in an area designated as Zone C, which corresponds to an area with the potential for minimal flooding. The proposed site would include skidded buildings and equipment, gravel drives, gravel work areas, and berms covered with native grasses. Due to the flatness of the site, it will be built up to allow the majority of the site runoff to be drained by sheet flow to a Water Quality Feature on the west side of the site. The equipment area will drain to swales that will be directed towards the laydown area, where it is allowed to sheet flow to the Water Quality Feature. The overall parcel size is approximately 152.6 acres. The parcel imperviousness, after the site development and the installation of the access road, along with existing site installations, will be 7.3%. The site drainage will not leave the parcel. Therefore, there will not be any adverse downstream impacts. WATER QUALITY CAPTURE FEATURE The water quality capture feature will consist of an onsite basin that will collect the storm water run-off from the site. The Water Quality Capture Volume (WQCV) of the feature is calculated based on the Urban Storm Drainage Criteria Manual, Volume 3, Section 3.3, Equation 3-1. WQCV = a (0.9113 - 1.191 + 0.781) Where: WQCV = Water Quality Capture Volume (watershed inches) PAGE 1 4F 2 ANADARKO St VRA N COMPRESSOR SITE - SITE DRAINAGE NARRATIVE (REVISED) a = Coefficient corresponding to WQCV drain time, from Table 3-2 of the reference = 1.0, conforms to a 40 hour drain time as required in the Weld County Engineering and Construction Criteria, Section 5.11.1 1 = Composite Imperviousness of Site (%)100) The composite imperviousness of 0.41 for the site was calculated based on the following data: LAND SURFACE CHARACTERISTICS IMPERVIOUS FACTOR TRIBUTARY (Note 1) CATCHMENT ACREAGE Buildings 0.90 0.9 _ Greenbelts, agricultural 0.02 0.8 Gravel (packed) 0.40 18.8 TOTAL ACRES = 203 Note 1: Impervious factor from the Urban Storm Drainage Criteria Manual, Volume 1, Section 2.7, Table RO-3 Therefore, WQCV = 1.01(0.91 x 0.413) — (1.19 x 0.412) + (0.78 x 0.41)1 = 0.182 watershed inches The required storage volume of the basin is then calculated as: V = WQCV(AI 12 Where: V = Required storage volume (acre-ft) A = Tributary catchment area upstream (acres) Therefore, V = (0.182 watershed inches)(20.5 acres) 12 = 0.31 acre-ft = 13,504 cubic feet The proposed WQCV basin will extend north-south for a length of approximately 1048 feet and a width of 10 feet. The basin will include a storage volume of 0.34 acre-ft, or 14,734 cubic feet, at a maximum depth of 1 foot. Volumes in excess of the basin capacity will be discharged from the basin and will follow the historic drainage path towards the northwest. PAGE 2 OF 2 AEON 4000 COMPRESSOR OIL Page 1 of 4 SECTION I - Material Identity SECTION II - Manufacturer's Information SECTION III - Physical/Chemical Characteristics SECTION IV - Fire and Explosion Hazard Data SECTION V - Reactivity Data SECTION VI - Health Hazard Data SECTION VII - Precautions for Safe Handling and Use SECTION VIII - Control Measures SECTION IX - Label Data SECTION X - Transportation Data SECTION XI - Site Specific/Reporting Information SECTION XII - Ingredients/Identity Information SECTION I - Material Identity Item Name Part Number/Trade Name AEON 4000 COMPRESSOR OIL National Stock Number 9150PAEON4000 CAGE Code 1L2U6 Part Number Indicator A MSDS Number 192470 HAZ Code E SECTION II - Manufacturer's Information Manufacturer Name GARDNER DENVER MACHINERY INC Street 1800 GARDNER EXPRESSWAY City QUINCY State IL Country US Zip Code 62301 Emergency Phone 800-424-9300 CHEMTREC Information Phone 217-222-5400 MSDS Preparer's Information Date MSDS Prepared/Revised 01JAN98 Active Indicator Y Alternate Vendors SECTION III - Physical/Chemical Characteristics http://www.setonresourcecenter.com/MSDS Hazcom/Docs/wcd000lf/wcd0lf49.htm 4/4/2013 AEON 4000 COMPRESSOR OIL Page 2 of 4 Appearance/Odor PALE GREEN VISCOUS LIQUID WITH SLIGHT HYDROCARBON ODOR Boiling Point 714.2F/379C Vapor Pressure 0. 0075 Vapor Density NA Specific Gravity 0. 8E Solubility in Water INSOLUBLE Container Pressure Code 1 Temperature Code 4 Product State Code L SECTION IV - Fire and Explosion Hazard Data Flash Point 210 Flash Point Method COC Lower Explosion Limit NA Upper Explosion Limit NA Extinguishing Media [SMALL] DRY CHEMICALS, CO2, WATER SPRAY OR FOAM [LARGE] USE WATER SPRAY, FOG OR FOAM. DO NOT USE WATER JET Special Fire Fighting Procedures FOR SMALL OUTDOOR FIRES USE OF SCBA MAY NOT BE REQUIRED. RESPIRATORY AND EYE PROTECTION REQUIRED FOR FIRE FIGHTING PERSONNEL. A SCBA SHOULD BE USED FOR ALL INDOOR FIRES AND ANY SIGNIFICANT OUTDOOR FIRES Unusual Fire/Explosion Hazards AVOID CONTACT WITH STRON OXIDIZING AGENTS, INCLUDING PEROXIDES, CHLORINE AND STRONG ACIDS. DO NOT CUT, WELD, HEAT OR DRILL EMPTY CONTAINER SECTION V- Reactivity Data Stability YES Stability Conditions to Avoid STABLE UNDER NORMAL HANDLING AND STORAGE CONDITIONS Materials to Avoid STRONG OXIDIZING AGENTS, ACIDS Hazardous Decomposition Products COX, SOX, NOX, H2S, PHOSPHOROUS OXIDES, SMOKE ON COMBUSTION Hazardous Polymerization NO Polymerization Conditions to Avoid WILL NOT OCCUR SECTION VI - Health Hazard Data Route of Entry: Skin YES Route of Entry: Ingestion YES Route of Entry: Inhalation YES Health Hazards - Acute and Chronic [INGEST] LOW TOXICITY. HAS LAXITIVE EFFECT. [EYES] MILDLY IRRITATING TO EYES. [INHAL] NEGLIGIBLE BREATHING HAZARD AT NORMAL TEMPERATURES. IF VAPORS, MISTS OR FUMES ARE GENERATED THEY MAY CAUSE IRRITATION OF THE UPPER RESPIRATORY TRACT http://www.setonresourcecenter.com/MSDS Hazcom/Docs/wcd000lf/wcd0lf49.htm 4/4/2013 AEON 4000 COMPRESSOR OIL Page 3 of 4 Carcinogenity: NTP NO Carcinogenity: IARC NO Carcinogenity: OSHA NO Explanation of Carcinogenity NONE Symptoms of Overexposure SEE ABOVE Medical Cond. Aggrevated by Exposure NR Emergency/First Aid Procedures [EYE] NO KNOWN EFFECT ON EYE CONTACT, RINSE WITH WATER FOR A FEW MINUTES [SKIN] REMOVE CONTAMINATED CLOTHING - LAUNDER BEFORE REUSE. SOAP AND WATER WASH. DISCARD SATURATED LEATHER ARTICLES. [INAHL] EVACUATE THE VICTIM TO A SAFE AREA AS SOON AS POSSIBLE. ALLOW THE VICTIM TO REST IN A WELL VENTILATED AREA. ADMINISTER OXYGEN IF AVAILABLE. IF THE VICTIM IS NOT BREATHING, PERFORM MOUTH TO MOUTH RESUSCITATION. SEE MED ATTEN. [INGEST] DO NOT INDUCE VOMITING. FORCE FLUIDS, ACTIVATED CHARCOAL TABLES SECTION WI - Precautions for Safe Handling and Use Steps if Material Released/Spilled AVOID CONTACT. CONTAIN SPILL. USE APPROPRIATE TOOLS TO PUT THE SPILLED MATERIAL IN A CONTAINER FOR RECLAIMING OR DISPOSAL. CHECK WITH APPLICABLE JURISDICTIONS FOR SPECIFIC DISPOSAL REQUIREMENTS OF MATERIAL AND EMPTY CONTAINERS. DO NOT FLUSH TO SEWER Neutralizing Agent NR Waste Disposal Method DISPOSE OF IN ACCORDANCE TO ALL STATE, FEDERAL AND LOCAL LAW Handling and Storage Precautions AVOID INHALATION AND SKIN CONTACT. WASH HANDS AFTER HANDLING AND BEFORE EATING. LAUNDER CONTAMINATED WORK CLOTHES. COMBUSTIBLE MATERIALS SHOULD BE STORED AWAY FROM EXTREME HEAT AND AWAY FROM STRONG OXIDIZING AGENTS. STORE IN A COOL, WELL VENTILATED AREA Other Precautions NR SECTION VIII - Control Measures Respiratory Protection RESPIRATOR NOT NECESSARY FOR NORMAL USE AT TEMPERATURES UP TO 204C. IF HEATED EXCESSIVELY, ORGANIC CARTRIDGE RESPIRATOR SUITABLE FOR GLYCOL MIST IN AREAS WITH SUFFICIENT OXYGEN Ventilation GOOD GENERAL VENTILATION TO CONTROL AIRBORNE LEVELS Protective Gloves PVC FOR LONGER EXPOSURES NEOPRENE OR NITRITE Eye Protection SAFETY GLASSES Other Protective Equipment LONG SLEEVED CLOTHING TO MINIMIZE SKIN CONTACT Work Hygenic Practices NR http://www.setonresourcecenter.com/MSDS Hazcom/Docs/wcd000lf/wcd0lf49.htm 4/4/2013 AEON 4000 COMPRESSOR OIL Page 4 of 4 SECTION IX - Label Data Protect Eye YES Protect Skin YES Protect Respiratory YES Chronic Indicator NO Contact Code SLIGHT Fire Code UNKNOWN Health Code UNKNOWN React Code UNKNOWN Specific Hazard and Precaution NO TARGET ORGANS LISTED FOR CHRONIC EXPOSURES SECTION X - Transportation Data SECTION XI - Site Specific/Reporting Information Volatile Organic Compounds (P/G) 0 Volatile Organic Compounds (G/L) 0 SECTION XII - Ingredients/Identity Information Ingredient # 01 Ingredient Name SEVERELY HYDROTREATED HYDROCARBON OIL AND ADDITIVES (1/2 OF 100%) CAS Number 72623871 Proprietary NO Percent 50 OSHA PEL 5 MG/M3 ACGIH TLV 5 MG/M3 Ingredient # 02 Ingredient Name SEVERELY HYDROTREATED HYDROCARBON OIL AND ADDITIVES (1/2 OF 100%) CAS Number 72623859 Proprietary NO Percent 50 OSHA PEL 5 MG/M3 ACGIH TLV 5 MG/M3 http://www.setonresourcecenter.com/MSDS Hazcom/Docs/wcd000lf/wcd0lf49.htm 4/4/2013 DOW II Material Safety Data Sheet * The Dow Chemical Company Product Name: AMBITROL* FL 50 Coolant, Dyed Issue Date: 12/04/2006 Print Date: 21 Dec 2006 The Dow Chemical Company encourages and expects you to read and understand the entire (M)SDS, as there is important information throughout the document. We expect you to follow the precautions identified in this document unless your use conditions would necessitate other appropriate methods or actions. 1. Product and Company Identification Product Name AMBITROL* FL 50 Coolant, Dyed COMPANY IDENTIFICATION The Dow Chemical Company 2030 Willard H. Dow Center Midland, MI 48674 USA Customer Information Number: 800-258-2436 EMERGENCY TELEPHONE NUMBER 24-Hour Emergency Contact: 989-636-4400 Local Emergency Contact: 989-636-4400 12. Hazards Identification Emergency Overview Color: Pink Physical State: Liquid Odor: Characteristic Hazards of product: WARNING! Harmful or fatal if swallowed. May cause eye irritation. Isolate area. OSHA Hazard Communication Standard This product is a "Hazardous Chemical"as defined by the OSHA Hazard Communication Standard, 29 CFR 1910.1200. Potential Health Effects Eye Contact: May cause slight eye irritation. Corneal injury is unlikely. Vapor or mist may cause eye irritation. Skin Contact: Brief contact is essentially nonirritating to skin. Prolonged contact may cause slight skin irritation with local redness. Repeated contact may cause skin irritation with local redness. Skin Absorption: Prolonged skin contact is unlikely to result in absorption of harmful amounts. Repeated skin exposure to large quantities may result in absorption of harmful amounts. Massive Indicates a Trademark Page 1 of 9 Product Name: AMBITROL* FL 50 Coolant, Dyed Issue Date: 12/04/2006 contact with damaged skin or of material sufficiently hot to burn skin may result in absorption of potentially lethal amounts. Inhalation: At room temperature, exposure to vapor is minimal due to low volatility. With good ventilation, single exposure is not expected to cause adverse effects. If material is heated or areas are poorly ventilated,vapor/mist may accumulate and cause respiratory irritation and symptoms such as headache and nausea. Ingestion: Oral toxicity is expected to be moderate in humans due to ethylene glycol even though tests with animals show a lower degree of toxicity. Excessive exposure may cause central nervous system effects, cardiopulmonary effects (metabolic acidosis), and kidney failure. Small amounts swallowed incidentally as a result of normal handling operations are not likely to cause injury; however, swallowing larger amounts may cause serious injury, even death. May cause nausea and vomiting. May cause abdominal discomfort or diarrhea. Effects of Repeated Exposure: For the major component(s): Repeated excessive exposure may cause irritation of the upper respiratory tract. In humans, effects have been reported on the following organs: Central nervous system. Observations in humans include: Nystagmus (involuntary eye movement). In animals, effects have been reported on the following organs: Kidney. Liver. Birth Defects/Developmental Effects: Based on animal studies, ingestion of very large amounts of ethylene glycol appears to be the major and possibly only route of exposure to produce birth defects. Exposures by inhalation or skin contact, the primary routes of occupational exposure, had minimal effect on the fetus, in animal studies. Reproductive Effects: Ingestion of large amounts of ethylene glycol has been shown to interfere with reproduction in animals. 13. Composition Information Component CAS # Amount Ethylene glycol 107-21-1 >= 30.0 -<= 60.0 % Water 7732-18-5 < 50.0 % Dipotassium hydrogen phosphate 7758-11-4 < 1.5 % 14. First-aid measures Eye Contact: Flush eyes thoroughly with water for several minutes. Remove contact lenses after the initial 1-2 minutes and continue flushing for several additional minutes. If effects occur, consult a physician, preferably an ophthalmologist. Skin Contact: Immediately flush skin with water while removing contaminated clothing and shoes. Get medical attention if symptoms occur.Wash clothing before reuse. Destroy contaminated leather items such as shoes, belts, and watchbands. Inhalation: Move person to fresh air. If not breathing, give artificial respiration; if by mouth to mouth use rescuer protection (pocket mask, etc). If breathing is difficult, oxygen should be administered by qualified personnel. Call a physician or transport to a medical facility. Ingestion: Do not induce vomiting. Seek medical attention immediately. If person is fully conscious give 1 cup or 8 ounces (240 ml)of water. If medical advice is delayed and if an adult has swallowed several ounces of chemical, then give 3-4 ounces (1/3-1/2 Cup) (90-120 ml)of hard liquor such as 80 proof whiskey. For children, give proportionally less liquor at a dose of 0.3 ounce (1 1/2 tsp.) (8 ml) liquor for each 10 pounds of body weight, or 2 ml per kg body weight [e.g., 1.2 ounce (2 1/3 tbsp.)for a 40 pound child or 36 ml for an 18 kg child]. Notes to Physician: If several ounces (60 - 100 ml)of ethylene glycol have been ingested, early administration of ethanol may counter the toxic effects (metabolic acidosis, renal damage). Consider hemodialysis or peritoneal dialysis &thiamine 100 mg plus pyridoxine 50 mg intravenously every 6 hours. If ethanol is used, a therapeutically effective blood concentration in the range of 100- 150 mg/dl may be achieved by a rapid loading dose followed by a continuous intravenous infusion. Consult standard literature for details of treatment. 4-Methyl pyrazole (Antizol®) is an effective blocker of alcohol dehydrogenase and should be used in the treatment of ethylene glycol (EG), di-or triethylene glycol (DEG, TEG), ethylene glycol butyl ether(EGBE), or methanol intoxication if available. Fomepizole protocol (Brent, J. et al., New England Journal of Medicine, Feb. 8, 2001, 344:6, p. 424-9): loading dose 15 mg/kg intravenously,follow by bolus dose of 10 mg/kg every 12 hours; after 48 hours, Page 2 of 9 Product Name: AMBITROL* FL 50 Coolant, Dyed Issue Date: 12/04/2006 increase bolus dose to 15 mg/kg every 12 hours. Continue fomepizole until serum methanol, EG, DEG, TEG or EGBE are undetectable. The signs and symptoms of poisoning include anion gap metabolic acidosis, CNS depression, renal tubular injury, and possible late stage cranial nerve involvement. Respiratory symptoms, including pulmonary edema, may be delayed. Persons receiving significant exposure should be observed 24-48 hours for signs of respiratory distress. Maintain adequate ventilation and oxygenation of the patient. In severe poisoning, respiratory support with mechanical ventilation and positive end expiratory pressure may be required. If lavage is performed, suggest endotracheal and/or esophageal control. Danger from lung aspiration must be weighed against toxicity when considering emptying the stomach. Treatment of exposure should be directed at the control of symptoms and the clinical condition of the patient. 5. Fire Fighting Measures Extinguishing Media: Water fog or fine spray. Dry chemical fire extinguishers. Carbon dioxide fire extinguishers. Foam. Alcohol resistant foams (ATC type)are preferred. General purpose synthetic foams (including AFFF) or protein foams may function, but will be less effective. Fire Fighting Procedures: Keep people away. Isolate fire and deny unnecessary entry. Burning liquids may be extinguished by dilution with water. Burning liquids may be moved by flushing with water to protect personnel and minimize property damage. Special Protective Equipment for Firefighters: Wear positive-pressure self-contained breathing apparatus (SCBA)and protective fire fighting clothing (includes fire fighting helmet, coat,trousers, boots, and gloves). If protective equipment is not available or not used,fight fire from a protected location or safe distance. Unusual Fire and Explosion Hazards: This material will not burn until the water has evaporated. Residue can burn. Hazardous Combustion Products: Under fire conditions some components of this product may decompose. The smoke may contain unidentified toxic and/or irritating compounds. Combustion products may include and are not limited to: Carbon monoxide. Carbon dioxide. Combustion products may include trace amounts of: Phosphorus oxides. 6. Accidental Release Measures Steps to be Taken if Material is Released or Spilled: Contain spilled material if possible. Collect in suitable and properly labeled containers. Small spills: Absorb with materials such as: Cat litter. Sawdust. Vermiculite. Zorb-all®. Large spills: Dike area to contain spill. See Section 13, Disposal Considerations,for additional information. Personal Precautions: Isolate area. Keep unnecessary and unprotected personnel from entering the area. Refer to Section 7, Handling,for additional precautionary measures. Use appropriate safety equipment. For additional information, refer to Section 8, Exposure Controls and Personal Protection. Environmental Precautions: Prevent from entering into soil, ditches, sewers,waterways and/or groundwater. See Section 12, Ecological Information. 7. Handling and Storage Handling General Handling: Do not swallow. Avoid contact with eyes. Wash thoroughly after handling. Spills of these organic materials on hot fibrous insulations may lead to lowering of the autoignition temperatures possibly resulting in spontaneous combustion. See Section 8, EXPOSURE CONTROLS AND PERSONAL PROTECTION. Storage Store in original unopened container. Do not store in: Galvanized steel. See Section 10 for more specific information. Page 3 of 9 Product Name: AMBITROL* FL 50 Coolant, Dyed Issue Date: 12/04/2006 18. Exposure Controls/ Personal Protection Exposure Limits Component List Type Value IlEthylene glycol ACGIH Ceiling 100 mg/m3 Aerosol. Personal Protection Eye/Face Protection: Use safety glasses. If exposure causes eye discomfort, use a full-face respirator. Skin Protection: When prolonged or frequently repeated contact could occur, use protective clothing chemically resistant to this material. Selection of specific items such as faceshield, boots, apron, or full-body suit will depend on the task. When handling hot material, protect skin from thermal burns as well as from skin absorption. Hand protection: Use gloves chemically resistant to this material when prolonged or frequently repeated contact could occur. If hands are cut or scratched, use gloves chemically resistant to this material even for brief exposures. Use gloves with insulation for thermal protection,when needed. Examples of preferred glove barrier materials include: Butyl rubber. Ethyl vinyl alcohol laminate ("EVAL"). Natural rubber("latex"). Neoprene. Nitrile/butadiene rubber("nitrile" or"NBR"). Polyvinyl chloride ("PVC" or"vinyl"). Polyethylene. Avoid gloves made of: Polyvinyl alcohol ("PVA"). NOTICE: The selection of a specific glove for a particular application and duration of use in a workplace should also take into account all relevant workplace factors such as, but not limited to: Other chemicals which may be handled, physical requirements (cut/puncture protection, dexterity, thermal protection), potential body reactions to glove materials, as well as the instructions/specifications provided by the glove supplier. Respiratory Protection: Respiratory protection should be worn when there is a potential to exceed the exposure limit requirements or guidelines. If there are no applicable exposure limit requirements or guidelines,wear respiratory protection when adverse effects, such as respiratory irritation or discomfort have been experienced, or where indicated by your risk assessment process. For most conditions, no respiratory protection should be needed; however, if material is heated or sprayed, use an approved air-purifying respirator. The following should be effective types of air-purifying respirators: Organic vapor cartridge with a particulate pre-filter. Ingestion: Avoid ingestion of even very small amounts; do not consume or store food or tobacco in the work area;wash hands and face before smoking or eating. Engineering Controls Ventilation: Use local exhaust ventilation, or other engineering controls to maintain airborne levels below exposure limit requirements or guidelines. If there are no applicable exposure limit requirements or guidelines, general ventilation should be sufficient for most operations. Local exhaust ventilation may be necessary for some operations. 19. Physical and Chemical Properties Physical State Liquid Color Pink Odor Characteristic Flash Point-Closed Cup Not applicable Flammable Limits In Air Lower: 3.2 %(V)Literature Ethylene Glycol Upper: Not Determined Autoignition Temperature 427 °C (801 °F) Literature Ethylene Glycol Vapor Pressure 11.8 mmHg @ 20 °C Literature Boiling Point(760 mmHg) 108 °C (226 °F) Literature. Vapor Density(air= 1) >1.0 Literature Specific Gravity(H2O = 1) 1.08 Literature Freezing Point -37 °C (-35 °F)ASTM D1177 Melting Point Not applicable Page 4 of 9 Product Name: AMBITROL* FL 50 Coolant, Dyed Issue Date: 12/04/2006 Solubility in Water(by Literature infinite weight) pH 9.5 ASTM D1287 10. Stability and Reactivity Stability/Instability Thermally stable at typical use temperatures. Conditions to Avoid: Some components of this product can decompose at elevated temperatures. Incompatible Materials: Avoid contact with: Strong acids. Strong oxidizers. Hazardous Polymerization Will not occur. Thermal Decomposition Decomposition products depend upon temperature, air supply and the presence of other materials. Decomposition products can include and are not limited to: Aldehydes. Alcohols. Ethers. 11. Toxicological Information Acute Toxicity Ingestion IIFor similar material(s): LD50, Rat 8,200 mg/kg For ethylene glycol: Approximate. Lethal Dose, Human, adult 100 ml For ethylene glycol: Approximate. Lethal Dose, Human, adult 3 Ounces Skin Absorption fi For similar material(s): LD50, Rabbit > 2,000 mg/kg Inhalation fi For ethylene glycol: LC50, 7 h,Aerosol, Rat > 3.95 mg/I Repeated Dose Toxicity For the major component(s): Repeated excessive exposure may cause irritation of the upper respiratory tract. In humans, effects have been reported on the following organs: Central nervous system. Observations in humans include: Nystagmus (involuntary eye movement). In animals, effects have been reported on the following organs: Kidney. Liver. Chronic Toxicity and Carcinogenicity II Ethylene glycol did not cause cancer in long-term animal studies. Developmental Toxicity Based on animal studies, ingestion of very large amounts of ethylene glycol appears to be the major and possibly only route of exposure to produce birth defects. Exposures by inhalation or skin contact, the primary routes of occupational exposure, had minimal effect on the fetus, in animal studies. Reproductive Toxicity II Ingestion of large amounts of ethylene glycol has been shown to interfere with reproduction in animals. Genetic Toxicology IIFor the major component(s): Ethylene glycol. In vitro genetic toxicity studies were negative. For the major component(s): Ethylene glycol. Animal genetic toxicity studies were negative. 12. Ecological Information Page 5 of 9 Product Name: AMBITROL* FL 50 Coolant, Dyed Issue Date: 12/04/2006 CHEMICAL FATE Data for Component: Ethylene glycol Movement & Partitioning Bioconcentration potential is low(BCF< 100 or Log Pow<3). Potential for mobility in soil is very high (Koc between 0 and 50). Given its very low Henry's constant,volatilization from natural bodies of water or moist soil is not expected to be an important fate process. Henry's Law Constant(H): 8.05E-09 atm*m3/mole; 25 °C Estimated Partition coefficient, n-octanol/water(log Pow): -1.36 Measured Partition coefficient, soil organic carbon/water(Koc): 1 Estimated Distribution in Environment: Mackay Level 1 Fugacity Model: Air Water. Biota Soil Sediment I 98 % Persistence and Degradability Material is readily biodegradable. Passes OECD test(s)for ready biodegradability. Material is ultimately biodegradable (reaches> 70% mineralization in OECD test(s)for inherent biodegradability). Indirect Photodegradation with OH Radicals Rate Constant Atmospheric Half-life Method 8.32E-12 cm3/s 15 h Estimated OECD Biodegradation Tests: Biodegradation Exposure Time Method >94 % 28 d OECD 301F Test 90 % 1 d OECD 302B Test Biological oxygen demand (BOD): BOD 5 BOD 10 BOD 20 BOD 28 60.5 % I 82 % Chemical Oxygen Demand: 1.19 mg/mg Theoretical Oxygen Demand: 1.29 mg/mg Data for Component: Water Movement & Partitioning fi Partitioning from water to n-octanol is not applicable. Persistence and Degradability fi Biodegradation is not applicable. Data for Component: Dipotassium hydrogen phosphate Movement & Partitioning fi No bioconcentration is expected because of the relatively high water solubility. Persistence and Degradability fi Biodegradation is not applicable. ECOTOXICITY Data for Component: Ethylene glycol IIMaterial is practically non-toxic to aquatic organisms on an acute basis (LC50/EC50 >100 mg/L in the most sensitive species tested). Fish Acute & Prolonged Toxicity fi LC50, rainbow trout(Oncorhynchus mykiss), static, 96 h: 18,000 -46,000 mg/I Aquatic Invertebrate Acute Toxicity II LC50,water flea Daphnia magna, static,48 h:46,300 -51,100 mg/I Aquatic Plant Toxicity IIEC50, green alga Selenastrum capricornutum, biomass growth inhibition, 96 h: 9,500- 13,000 mg/I Toxicity to Micro-organisms fi EC50, OECD 209 Test; activated sludge, respiration inhibition, 30 min: 225 mg/I Page 6 of 9 Product Name: AMBITROL* FL 50 Coolant, Dyed Issue Date: 12/04/2006 Data for Component: Water II Not expected to be acutely toxic to aquatic organisms. Data for Component: Dipotassium hvdroaen phosphate Material is practically non-toxic to aquatic organisms on an acute basis (LC50/EC50 >100 mg/L in the most sensitive species tested). Fish Acute & Prolonged Toxicity II LC50, golden orfe (Leuciscus idus), static,48 h: > 900 mg/I 13. Disposal Considerations DO NOT DUMP INTO ANY SEWERS, ON THE GROUND, OR INTO ANY BODY OF WATER. All disposal practices must be in compliance with all Federal, State/Provincial and local laws and regulations. Regulations may vary in different locations. Waste characterizations and compliance with applicable laws are the responsibility solely of the waste generator. DOW HAS NO CONTROL OVER THE MANAGEMENT PRACTICES OR MANUFACTURING PROCESSES OF PARTIES HANDLING OR USING THIS MATERIAL. THE INFORMATION PRESENTED HERE PERTAINS ONLY TO THE PRODUCT AS SHIPPED IN ITS INTENDED CONDITION AS DESCRIBED IN MSDS SECTION: Composition Information. FOR UNUSED & UNCONTAMINATED PRODUCT,the preferred options include sending to a licensed, permitted: Recycler. Reclaimer. Incinerator or other thermal destruction device. As a service to its customers, Dow can provide names of information resources to help identify waste management companies and other facilities which recycle, reprocess or manage chemicals or plastics, and that manage used drums. Telephone Dow's Customer Information Group at 1-800-258-2436 or 1-989-832-1556 (U.S.), or 1-800-331-6451 (Canada)for further details. 14. Transport Information II DOT Non-Bulk NOT REGULATED II DOT Bulk Proper Shipping Name: OTHER REGULATED SUBSTANCE,LIQUID,N.O.S. Technical Name: ETHYLENE GLYCOL Hazard Class: 9 ID Number: NA3082 Packing Group: PG III II IMDG Proper Shipping Name: ENVIRONMENTALLY HAZARDOUS SUBSTANCE, LIQUID, N.O.S. Technical Name: ETHYLENE GLYCOL Hazard Class: 9 ID Number: UN3082 Packing Group: PG III EMS Number: F-A,S- Marine pollutant.: No II ICAO/IATA NOT REGULATED Additional Information Reportable quantity: 8,333 lb-ETHYLENE GLYCOL This information isr not intended to convey all specific regulatory or operational requirements/information relating to this product. Additional transportation system information can be obtained through an authorized sales or customer service representative. It is the responsibility of the transporting organization to follow all applicable laws, regulations and rules relating to the transportation of the material. Page 7 of 9 Product Name: AMBITROL* FL 50 Coolant, Dyed Issue Date: 12/04/2006 115. Regulatory Information OSHA Hazard Communication Standard This product is a "Hazardous Chemical" as defined by the OSHA Hazard Communication Standard, 29 CFR 1910.1200. Superfund Amendments and Reauthorization Act of 1986 Title Ill (Emergency Planning and Community Right-to-Know Act of 1986) Sections 311 and 312 Immediate (Acute) Health Hazard Yes Delayed (Chronic) Health Hazard Yes Fire Hazard No Reactive Hazard No Sudden Release of Pressure Hazard No Superfund Amendments and Reauthorization Act of 1986 Title Ill(Emergency Planning and Community Right-to-Know Act of 1986) Section 313 This product contains the following substances which are subject to the reporting requirements of Section 313 of Title Ill of the Superfund Amendments and Reauthorization Act of 1986 and which are listed in 40 CFR 372. Component CAS# Amount Ethylene glycol 107-21-1 >= 30.0-<=60.0 % Pennsylvania (Worker and Community Right-To-Know Act): Pennsylvania Hazardous Substances List and/or Pennsylvania Environmental Hazardous Substance List: The following product components are cited in the Pennsylvania Hazardous Substance List and/or the Pennsylvania Environmental Substance List, and are present at levels which require reporting. Component CAS# Amount Ethylene glycol 107-21-1 >= 30.0-<=60.0 % Pennsylvania (Worker and Community Right-To-Know Act): Pennsylvania Special Hazardous Substances List: To the best of our knowledge, this product does not contain chemicals at levels which require reporting under this statute. California Proposition 65(Safe Drinking Water and Toxic Enforcement Act of 1986) This product contains no listed substances known to the State of California to cause cancer, birth defects or other reproductive harm, at levels which would require a warning under the statute. US. Toxic Substances Control Act All components of this product are on the TSCA Inventory or are exempt from TSCA Inventory requirements under 40 CFR 720.30 CEPA- Domestic Substances List(DSL) This product contains one or more substances which are not listed on the Canadian Domestic Substances List (DSL). Contact your Dow representative for more information. 116. Other Information Hazard Rating System NFPA Health Fire Reactivity 1 0 0 Recommended Uses and Restrictions Intended as a heat transfer fluid for closed-loop systems. Dow recommends that you use this product in a manner consistent with the listed use. If your intended use is not consistent with Dow's stated use, please contact Dow's Customer Information Group. Page 8 of 9 Product Name: AMBITROL* FL 50 Coolant, Dyed Issue Date: 12/04/2006 Revision Identification Number: 50546/ 1001 / Issue Date 12/04/2006/Version: 2.0 Most recent revision(s)are noted by the bold, double bars in left-hand margin throughout this document. Legend N/A Not available WNV WeightM/eight OEL Occupational Exposure Limit STEL Short Term Exposure Limit TWA Time Weighted Average ACGIH American Conference of Governmental Industrial Hygienists, Inc. DOW IHG Dow Industrial Hygiene Guideline WEEL Workplace Environmental Exposure Level HAZ_DES Hazard Designation Action Level A value set by OSHA that is lower than the PEL which will trigger the need for activities such as exposure monitoring and medical surveillance if exceeded. The Dow Chemical Company urges each customer or recipient of this(M)SDS to study it carefully and consult appropriate expertise, as necessary or appropriate, to become aware of and understand the data contained in this(M)SDS and any hazards associated with the product. The information herein is provided in good faith and believed to be accurate as of the effective date shown above. However, no warranty, express or implied, is given. Regulatory requirements are subject to change and may differ between various locations. It is the buyer's/user's responsibility to ensure that his activities comply with all federal, state,provincial or local laws. The information presented here pertains only to the product as shipped. Since conditions for use of the product are not under the control of the manufacturer, it is the buyer's/user's duty to determine the conditions necessary for the safe use of this product. Due to the proliferation of sources for information such as manufacturer-specific(M)SDSs, we are not and cannot be responsible for(M)SDSs obtained from any source other than ourselves. If you have obtained an (M)SDS from another source or if you are not sure that the(M)SDS you have is current, please contact us for the most current version. Page 9 of 9 H Product Name: MOBIL PEGASUS 805 Revision Date: 26Sep2008 Pagel of 8 MATERIAL SAFETY DATA SHEET SECTION 1 PRODUCT AND COMPANY IDENTIFICATION PRODUCT Product Name: MOBIL PEGASUS 805 Product Description: Base Oil and Additives Product Code: 602466-00, 97D936 Intended Use: Natural gas engine oil COMPANY IDENTIFICATION Supplier: EXXON MOBIL CORPORATION 3225 GALLOWS RD. FAIRFAX, VA. 22037 USA 24 Hour Health Emergency 609-737-4411 Transportation Emergency Phone 800-424-9300 ExxonMobil Transportation No. 281-834-3296 Product Technical Information 800-662-4525, 800-947-9147 MSDS Internet Address http://www.exxon.com, http://www.mobil.com SECTION 2 COMPOSITION I INFORMATION ON INGREDIENTS Reportable Hazardous Substance(s) or Complex Substance(s) Name CAS# Concentration* BENZENE PROPANOIC ACID, 125643-61-0 1 -5% 3,5-BIS(1,1-DIMETHYLETHYL)-4-HYDROXY-, C7-9 BRANCHED ALKYL ESTERS *All concentrations are percent by weight unless material is a gas. Gas concentrations are in percent by volume. SECTION',3 HAZARDS IDENTIFICATION This material is not considered to be hazardous according to regulatory guidelines (see (M)SDS Section 15). POTENTIAL HEALTH EFFECTS Low order of toxicity. Excessive exposure may result in eye, skin, or respiratory irritation. High-pressure injection under skin may cause serious damage. NFPA Hazard ID: Health: 0 Flammability: 1 Reactivity: 0 HMIS Hazard ID: Health: 0 Flammability: 1 Reactivity: 0 NOTE: This material should not be used for any other purpose than the intended use in Section 1 without expert advice. Health studies have shown that chemical exposure may cause potential human health risks which may vary from person to person. SECTION 4 FIRST AID MEASURES H Product Name: MOBIL PEGASUS 805 Revision Date: 26Sep2008 Page 2 of 8 INHALATION Remove from further exposure. For those providing assistance, avoid exposure to yourself or others. Use adequate respiratory protection. If respiratory irritation, dizziness, nausea, or unconsciousness occurs, seek immediate medical assistance. If breathing has stopped, assist ventilation with a mechanical device or use mouth-to-mouth resuscitation. SKIN CONTACT Wash contact areas with soap and water. If product is injected into or under the skin, or into any part of the body, regardless of the appearance of the wound or its size, the individual should be evaluated immediately by a physician as a surgical emergency. Even though initial symptoms from high pressure injection may be minimal or absent, early surgical treatment within the first few hours may significantly reduce the ultimate extent of injury. EYE CONTACT Flush thoroughly with water. If irritation occurs, get medical assistance. INGESTION First aid is normally not required. Seek medical attention if discomfort occurs. SECTION 5 FIRE FIGHTING MEASURES EXTINGUISHING MEDIA Appropriate Extinguishing Media: Use water fog, foam, dry chemical or carbon dioxide (OO2) to extinguish flames. Inappropriate Extinguishing Media: Straight Streams of Water FIRE FIGHTING Fire Fighting Instructions: Evacuate area. Prevent runoff from fire control or dilution from entering streams, sewers, or drinking water supply. Firefighters should use standard protective equipment and in enclosed spaces, self-contained breathing apparatus (SCBA). Use water spray to cool fire exposed surfaces and to protect personnel. Hazardous Combustion Products: Oxides of carbon, Sulfur oxides, Aldehydes, Smoke, Fume, Incomplete combustion products FLAMMABILITY PROPERTIES Flash Point [Method]: >245O (473F) [ASTM D-92] Flammable Limits (Approximate volume % in air): LEL: 0.9 UEL: 7.0 Autoignition Temperature: N/D SECTION 6 "' ACCIDENTAL RELEASE MEASURES NOTIFICATION PROCEDURES In the event of a spill or accidental release, notify relevant authorities in accordance with all applicable regulations. US regulations require reporting releases of this material to the environment which exceed the Product Name: MOBIL PEGASUS 805 Revision Date: 26Sep2008 Page 3 of 8 applicable reportable quantity or oil spills which could reach any waterway including intermittent dry creeks. The National Response Center can be reached at (800)424-8802. SPILL MANAGEMENT Land Spill: Stop leak if you can do it without risk. Recover by pumping or with suitable absorbent. Water Spill: Stop leak if you can do it without risk. Confine the spill immediately with booms. Warn other shipping. Remove from the surface by skimming or with suitable absorbents. Seek the advice of a specialist before using dispersants. Water spill and land spill recommendations are based on the most likely spill scenario for this material; however, geographic conditions, wind, temperature, (and in the case of a water spill) wave and current direction and speed may greatly influence the appropriate action to be taken. For this reason, local experts should be consulted. Note: Local regulations may prescribe or limit action to be taken. ENVIRONMENTAL PRECAUTIONS Large Spills: Dike far ahead of liquid spill for later recovery and disposal. Prevent entry into waterways, sewers, basements or confined areas. SECTION 7 HANDLING AND STORAGE HANDLING Prevent small spills and leakage to avoid slip hazard. Static Accumulator: This material is a static accumulator. STORAGE Do not store in open or unlabelled containers. SECTION 8 EXPOSURE CONTROLS/ PERSONAL PROTECTION Exposure limits/standards for materials that can be formed when handling this product: When mists/aerosols can occur, the following are recommended: 5 mg/m3 -ACGIH TLV, 10 mg/m3 - ACGIH STEL, 5 mg/m3- OSHA PEL. NOTE: Limits/standards shown for guidance only. Follow applicable regulations. ENGINEERING CONTROLS The level of protection and types of controls necessary will vary depending upon potential exposure conditions. Control measures to consider: No special requirements under ordinary conditions of use and with adequate ventilation. PERSONAL PROTECTION Personal protective equipment selections vary based on potential exposure conditions such as applications, H Product Name: MOBIL PEGASUS 805 Revision Date: 26Sep2008 Page 4 of 8 handling practices, concentration and ventilation. Information on the selection of protective equipment for use with this material, as provided below, is based upon intended, normal usage. Respiratory Protection: If engineering controls do not maintain airborne contaminant concentrations at a level which is adequate to protect worker health, an approved respirator may be appropriate. Respirator selection, use, and maintenance must be in accordance with regulatory requirements, if applicable. Types of respirators to be considered for this material include: No special requirements under ordinary conditions of use and with adequate ventilation. For high airborne concentrations, use an approved supplied-air respirator, operated in positive pressure mode. Supplied air respirators with an escape bottle may be appropriate when oxygen levels are inadequate, gas/vapor warning properties are poor, or if air purifying filter capacity/rating may be exceeded. Hand Protection: Any specific glove information provided is based on published literature and glove manufacturer data. Glove suitability and breakthrough time will differ depending on the specific use conditions. Contact the glove manufacturer for specific advice on glove selection and breakthrough times for your use conditions. Inspect and replace worn or damaged gloves. The types of gloves to be considered for this material include: No protection is ordinarily required under normal conditions of use. Eye Protection: If contact is likely, safety glasses with side shields are recommended. Skin and Body Protection: Any specific clothing information provided is based on published literature or manufacturer data. The types of clothing to be considered for this material include: No skin protection is ordinarily required under normal conditions of use. In accordance with good industrial hygiene practices, precautions should be taken to avoid skin contact. Specific Hygiene Measures: Always observe good personal hygiene measures, such as washing after handling the material and before eating, drinking, and/or smoking. Routinely wash work clothing and protective equipment to remove contaminants. Discard contaminated clothing and footwear that cannot be cleaned. Practice good housekeeping. ENVIRONMENTAL CONTROLS See Sections 6, 7, 12, 13. SECTION',9 PHYSICAL AND,CHEMICAL PROPERTIES Typical physical and chemical properties are given below. Consult the Supplier in Section 1 for additional data. GENERAL INFORMATION Physical State: Liquid Color: Amber Odor: Characteristic Odor Threshold: N/D IMPORTANT HEALTH, SAFETY,AND ENVIRONMENTAL INFORMATION Relative Density(at 15 C ): 0.89 Flash Point [Method]: >245C (473F) [ ASTM D-92] Flammable Limits (Approximate volume % in air): LEL: 0.9 UEL: 7.0 Autoignition Temperature: N/D Product Name: MOBIL PEGASUS 805 Revision Date: 26Sep2008 Page 5 of 8 Boiling Point/Range: > 288C (550F) Vapor Density(Air= 1): > 2 at 101 kPa Vapor Pressure: < 0.013 kPa (0.1 mm Hg) at 20 C Evaporation Rate(n-butyl acetate= 1): N/D pH: N/A Log Pow(n-Octanol/Water Partition Coefficient): > 3.5 Solubility in Water: Negligible Viscosity: 130 cSt (130 mm2/sec) at 40 C I 13.5 cSt (13.5 mm2/sec) at 100C Oxidizing Properties: See Sections 3, 15, 16. OTHER INFORMATION Freezing Point: N/D Melting Point: N/A Pour Point: -12°C (10°F) DMSO Extract(mineral oil only), IP-346: < 3 %wt SECTION 10 STABILITY AND REACTIVITY STABILITY: Material is stable under normal conditions. CONDITIONS TO AVOID: Excessive heat. High energy sources of ignition. MATERIALS TO AVOID: Strong oxidizers HAZARDOUS DECOMPOSITION PRODUCTS: Material does not decompose at ambient temperatures. HAZARDOUS POLYMERIZATION: Will not occur. SECTION',11 TOXICOLOGICAL INFORMATION ACUTE TOXICITY Route of Exposure Conclusion /Remarks Inhalation Toxicity (Rat): LC50>5000 mg/m3 Minimally Toxic. Based on test data for structurally similar materials. Irritation: No end point data. Negligible hazard at ambient/normal handling temperatures. Based on assessment of the components. Ingestion Toxicity (Rat): LD50>5000 mg/kg Minimally Toxic. Based on test data for structurally similar materials. Skin Toxicity (Rabbit): LD50> 5000 mg/kg Minimally Toxic. Based on test data for structurally similar materials. Irritation (Rabbit): Data available. Negligible irritation to skin at ambient temperatures. Based on test data for structurally similar materials. Eye Irritation (Rabbit): Data available. May cause mild, short-lasting discomfort to eyes. Based on test data for structurally similar materials. CHRONIC/OTHER EFFECTS H Product Name: MOBIL PEGASUS 805 Revision Date: 26Sep2008 Page 6 of 8 For the product itself: Sensitization: No adverse effects were observed. The study was conducted on structurally-similar material. Contains: Base oil severely refined: Not carcinogenic in animal studies. Representative material passes IP-346, Modified Ames test, and/or other screening tests. Dermal and inhalation studies showed minimal effects; lung non-specific infiltration of immune cells, oil deposition and minimal granuloma formation. Not sensitizing in test animals. Additional information is available by request. The following ingredients are cited on the lists below: None. --REGULATORY LISTS SEARCHED-- 1 = NTP CARC 3 = IARC 1 5 = IARC 2B 2 = NTP SUS 4= IARC 2A 6 = OSHA CARC SECTION 12 ECOLOGICAL INFORMATION The information given is based on data available for the material, the components of the material, and similar materials. ECOTOXICITY Material -- Not expected to be harmful to aquatic organisms. MOBILITY Base oil component-- Low solubility and floats and is expected to migrate from water to the land. Expected to partition to sediment and wastewater solids. PERSISTENCE AND DEGRADABILITY Biodegradation: Base oil component-- Expected to be inherently biodegradable BIOACCUMULATION POTENTIAL Base oil component-- Has the potential to bioaccumulate, however metabolism or physical properties may reduce the bioconcentration or limit bioavailability. SECTION 13 DISPOSAL CONSIDERATIONS Disposal recommendations based on material as supplied. Disposal must be in accordance with current applicable laws and regulations, and material characteristics at time of disposal. DISPOSAL RECOMMENDATIONS Product is suitable for burning in an enclosed controlled burner for fuel value or disposal by supervised incineration at very high temperatures to prevent formation of undesirable combustion products. REGULATORY DISPOSAL INFORMATION d Product Name: MOBIL PEGASUS 805 Revision Date: 26Sep2008 Page 7 of 8 RCRA Information: The unused product, in our opinion, is not specifically listed by the EPA as a hazardous waste (40 CFR, Part 261D), nor is it formulated to contain materials which are listed as hazardous wastes. It does not exhibit the hazardous characteristics of ignitability, corrositivity or reactivity and is not formulated with contaminants as determined by the Toxicity Characteristic Leaching Procedure (TCLP). However, used product may be regulated. Empty Container Warning Empty Container Warning (where applicable): Empty containers may contain residue and can be dangerous. Do not attempt to refill or clean containers without proper instructions. Empty drums should be completely drained and safely stored until appropriately reconditioned or disposed. Empty containers should be taken for recycling, recovery, or disposal through suitably qualified or licensed contractor and in accordance with governmental regulations. DO NOT PRESSURISE, CUT, WELD, BRAZE, SOLDER, DRILL, GRIND, OR EXPOSE SUCH CONTAINERS TO HEAT, FLAME, SPARKS, STATIC ELECTRICITY, OR OTHER SOURCES OF IGNITION. THEY MAY EXPLODE AND CAUSE INJURY OR DEATH. SECTION 14 TRANSPORT INFORMATION LAND (DOT) : Not Regulated for Land Transport LAND (TDG) : Not Regulated for Land Transport SEA(IMDG) : Not Regulated for Sea Transport according to IMDG-Code AIR(IATA) : Not Regulated for Air Transport SECTION 15 REGULATORY INFORMATION OSHA HAZARD COMMUNICATION STANDARD: When used for its intended purposes, this material is not classified as hazardous in accordance with OSHA 29 CFR 1910.1200. NATIONAL CHEMICAL INVENTORY LISTING: AICS, IECSC, DSL, ENCS, KECI, PICCS, TSCA Special Cases: Inventory Status ELINCS Restrictions Apply EPCRA: This material contains no extremely hazardous substances. SARA(311/312) REPORTABLE HAZARD CATEGORIES: None. SARA(313) TOXIC RELEASE INVENTORY: This material contains no chemicals subject to the supplier notification requirements of the SARA 313 Toxic Release Program. The Following Ingredients are Cited on the Lists Below: Chemical Name CAS Number List Citations DIPHENYLAMINE 122-39-4 5 d Product Name: MOBIL PEGASUS 805 Revision Date: 26Sep2008 Page 8 of 8 --REGULATORY LISTS SEARCHED-- 1 = ACGIH ALL 6 = TSCA 5a2 11 = CA P65 REPRO 16 = MN RTK 2 = ACGIH Al 7 = TSCA 5e 12 = CA RTK 17 = NJ RTK 3 = ACGIH A2 8 = TSCA6 13 = ILRTK 18 = PARTK 4= OSHA Z 9 = TSCA 12b 14 = LA RTK 19 = RI RTK 5 = TSCA 4 10 = CA P65 CARC 15 = MI 293 Code key: CARC=Carcinogen; REPRO=Reproductive SECTION 16 OTHER;,INFORMATION N/D= Not determined, N/A = Not applicable THIS SAFETY DATA SHEET CONTAINS THE FOLLOWING REVISIONS: No revision information is available. The information and recommendations contained herein are, to the best of ExxonMobil's knowledge and belief, accurate and reliable as of the date issued. You can contact ExxonMobil to insure that this document is the most current available from ExxonMobil. The information and recommendations are offered for the user's consideration and examination. It is the user's responsibility to satisfy itself that the product is suitable for the intended use. If buyer repackages this product, it is the user's responsibility to insure proper health, safety and other necessary information is included with and/or on the container. Appropriate warnings and safe-handling procedures should be provided to handlers and users. Alteration of this document is strictly prohibited. Except to the extent required by law, re-publication or retransmission of this document, in whole or in part, is not permitted. The term, "ExxonMobil" is used for convenience, and may include any one or more of ExxonMobil Chemical Company, Exxon Mobil Corporation, or any affiliates in which they directly or indirectly hold any interest. Internal Use Only MHC: 0B, 0B, 0, 0, 0, 0 PPEC: A DGN: 2007675XUS (1015410) Copyright 2002 Exxon Mobil Corporation, All rights reserved H Product Name: MOBIL PEGASUS 805 SUPER Revision Date: 02 Aug 2010 Pagel of 9 MATERIAL SAFETY DATA SHEET SECTION 1 PRODUCT AND COMPANY IDENTIFICATION PRODUCT Product Name: MOBIL PEGASUS 805 SUPER Product Description: Base Oil and Additives Product Code: 201525106013, 606111-00, 97G051 Intended Use: Natural gas engine oil COMPANY IDENTIFICATION Supplier: EXXON MOBIL CORPORATION 3225 GALLOWS RD. FAIRFAX, VA. 22037 USA 24 Hour Health Emergency 609-737-4411 Transportation Emergency Phone 800-424-9300 ExxonMobil Transportation No. 281-834-3296 Product Technical Information 800-662-4525, 800-947-9147 MSDS Internet Address http://www.exxon.com, http://www.mobil.com SECTION 2 COMPOSITION I INFORMATION ON INGREDIENTS Reportable Hazardous Substance(s) or Complex Substance(s) Name CAS# Concentration* BENZENE PROPANOIC ACID, 125643-61-0 1 -5% 3,5-BIS(1,1-DIMETHYLETHYL)-4-HYDROXY-, C7-9 BRANCHED ALKYL ESTERS *All concentrations are percent by weight unless material is a gas. Gas concentrations are in percent by volume. SECTION',3 HAZARDS IDENTIFICATION This material is not considered to be hazardous according to regulatory guidelines (see (M)SDS Section 15). POTENTIAL HEALTH EFFECTS Low order of toxicity. Excessive exposure may result in eye, skin, or respiratory irritation. High-pressure injection under skin may cause serious damage. NFPA Hazard ID: Health: 0 Flammability: 1 Reactivity: 0 HMIS Hazard ID: Health: 0 Flammability: 1 Reactivity: 0 NOTE: This material should not be used for any other purpose than the intended use in Section 1 without expert advice. Health studies have shown that chemical exposure may cause potential human health risks which may vary from person to person. H Product Name: MOBIL PEGASUS 805 SUPER Revision Date: 02 Aug 2010 Page 2 of 9 SECTION 4 FIRST AID MEASURES INHALATION Remove from further exposure. For those providing assistance, avoid exposure to yourself or others. Use adequate respiratory protection. If respiratory irritation, dizziness, nausea, or unconsciousness occurs, seek immediate medical assistance. If breathing has stopped, assist ventilation with a mechanical device or use mouth-to-mouth resuscitation. SKIN CONTACT Wash contact areas with soap and water. If product is injected into or under the skin, or into any part of the body, regardless of the appearance of the wound or its size, the individual should be evaluated immediately by a physician as a surgical emergency. Even though initial symptoms from high pressure injection may be minimal or absent, early surgical treatment within the first few hours may significantly reduce the ultimate extent of injury. EYE CONTACT Flush thoroughly with water. If irritation occurs, get medical assistance. INGESTION First aid is normally not required. Seek medical attention if discomfort occurs. SECTION',5 FIRE FIGHTING MEASURES EXTINGUISHING MEDIA Appropriate Extinguishing Media: Use water fog, foam, dry chemical or carbon dioxide (OO2) to extinguish flames. Inappropriate Extinguishing Media: Straight Streams of Water FIRE FIGHTING Fire Fighting Instructions: Evacuate area. Prevent runoff from fire control or dilution from entering streams, sewers, or drinking water supply. Firefighters should use standard protective equipment and in enclosed spaces, self-contained breathing apparatus (SCBA). Use water spray to cool fire exposed surfaces and to protect personnel. Hazardous Combustion Products: Smoke, Fume, Aldehydes, Sulfur oxides, Incomplete combustion products, Oxides of carbon FLAMMABILITY PROPERTIES Flash Point [Method]: >200O (392F) [ASTM D-92] Flammable Limits (Approximate volume% in air): LEL: 0.9 UEL: 7.0 Autoignition Temperature: N/D SECTION 6 ACCIDENTAL RELEASE MEASURES NOTIFICATION PROCEDURES H Product Name: MOBIL PEGASUS 805 SUPER Revision Date: 02 Aug 2010 Page 3 of 9 In the event of a spill or accidental release, notify relevant authorities in accordance with all applicable regulations. US regulations require reporting releases of this material to the environment which exceed the applicable reportable quantity or oil spills which could reach any waterway including intermittent dry creeks. The National Response Center can be reached at (800)424-8802. PROTECTIVE MEASURES Avoid contact with spilled material. See Section 5 for fire fighting information. See the Hazard Identification Section for Significant Hazards. See Section 4 for First Aid Advice. See Section 8 for advice on the minimum requirements for personal protective equipment. Additional protective measures may be necessary, depending on the specific circumstances and/or the expert judgment of the emergency responders. SPILL MANAGEMENT Land Spill: Stop leak if you can do it without risk. Recover by pumping or with suitable absorbent. Water Spill: Stop leak if you can do it without risk. Confine the spill immediately with booms. Warn other shipping. Remove from the surface by skimming or with suitable absorbents. Seek the advice of a specialist before using dispersants. Water spill and land spill recommendations are based on the most likely spill scenario for this material; however, geographic conditions, wind, temperature, (and in the case of a water spill) wave and current direction and speed may greatly influence the appropriate action to be taken. For this reason, local experts should be consulted. Note: Local regulations may prescribe or limit action to be taken. ENVIRONMENTAL PRECAUTIONS Large Spills: Dike far ahead of liquid spill for later recovery and disposal. Prevent entry into waterways, sewers, basements or confined areas. SECTION 7 HANDLING AND STORAGE HANDLING Prevent small spills and leakage to avoid slip hazard. Material can accumulate static charges which may cause an electrical spark (ignition source). When the material is handled in bulk, an electrical spark could ignite any flammable vapors from liquids or residues that may be present (e.g., during switch-loading operations). Use proper bonding and/or ground procedures. However, bonding and grounds may not eliminate the hazard from static accumulation. Consult local applicable standards for guidance. Additional references include American Petroleum Institute 2003 (Protection Against Ignitions Arising out of Static, Lightning and Stray Currents) or National Fire Protection Agency 77 (Recommended Practice on Static Electricity) or CENELEC CLC/TR 50404 (Electrostatics - Code of practice for the avoidance of hazards due to static electricity). Static Accumulator: This material is a static accumulator. STORAGE The container choice, for example storage vessel, may effect static accumulation and dissipation. Do not store in open or unlabelled containers. SECTION 8 EXPOSURE CONTROLS/ PERSONAL PROTECTION H Product Name: MOBIL PEGASUS 805 SUPER Revision Date: 02 Aug 2010 Page 4 of 9 Exposure limits/standards for materials that can be formed when handling this product: When mists/aerosols can occur, the following are recommended: 5 mg/m3 -ACGIH TLV, 10 mg/m3- ACGIH STEL, 5 mg/m3- OSHA PEL. NOTE: Limits/standards shown for guidance only. Follow applicable regulations. ENGINEERING CONTROLS The level of protection and types of controls necessary will vary depending upon potential exposure conditions. Control measures to consider: No special requirements under ordinary conditions of use and with adequate ventilation. PERSONAL PROTECTION Personal protective equipment selections vary based on potential exposure conditions such as applications, handling practices, concentration and ventilation. Information on the selection of protective equipment for use with this material, as provided below, is based upon intended, normal usage. Respiratory Protection: If engineering controls do not maintain airborne contaminant concentrations at a level which is adequate to protect worker health, an approved respirator may be appropriate. Respirator selection, use, and maintenance must be in accordance with regulatory requirements, if applicable. Types of respirators to be considered for this material include: No special requirements under ordinary conditions of use and with adequate ventilation. For high airborne concentrations, use an approved supplied-air respirator, operated in positive pressure mode. Supplied air respirators with an escape bottle may be appropriate when oxygen levels are inadequate, gas/vapor warning properties are poor, or if air purifying filter capacity/rating may be exceeded. Hand Protection: Any specific glove information provided is based on published literature and glove manufacturer data. Glove suitability and breakthrough time will differ depending on the specific use conditions. Contact the glove manufacturer for specific advice on glove selection and breakthrough times for your use conditions. Inspect and replace worn or damaged gloves. The types of gloves to be considered for this material include: No protection is ordinarily required under normal conditions of use. Eye Protection: If contact is likely, safety glasses with side shields are recommended. Skin and Body Protection: Any specific clothing information provided is based on published literature or manufacturer data. The types of clothing to be considered for this material include: No skin protection is ordinarily required under normal conditions of use. In accordance with good industrial hygiene practices, precautions should be taken to avoid skin contact. Specific Hygiene Measures: Always observe good personal hygiene measures, such as washing after handling the material and before eating, drinking, and/or smoking. Routinely wash work clothing and protective equipment to remove contaminants. Discard contaminated clothing and footwear that cannot be cleaned. Practice good housekeeping. ENVIRONMENTAL CONTROLS See Sections 6, 7, 12, 13. H Product Name: MOBIL PEGASUS 805 SUPER Revision Date: 02 Aug 2010 Page 5 of 9 SECTION 9 PHYSICAL AND CHEMICAL PROPERTIES Typical physical and chemical properties are given below. Consult the Supplier in Section 1 for additional data. GENERAL INFORMATION Physical State: Liquid Color: Amber Odor: Characteristic Odor Threshold: N/D IMPORTANT HEALTH, SAFETY,AND ENVIRONMENTAL INFORMATION Relative Density(at 15 C): 0.88 Flash Point [Method]: >200C (392F) [ ASTM D-92] Flammable Limits (Approximate volume % in air): LEL: 0.9 UEL: 7.0 Autoignition Temperature: N/D Boiling Point/Range: > 288C (550F) Vapor Density(Air= 1): > 2 at 101 kPa Vapor Pressure: < 0.013 kPa (0.1 mm Hg) at 20 C Evaporation Rate (n-butyl acetate= 1): N/D pH: N/A Log Pow(n-Octanol/Water Partition Coefficient): > 3.5 Solubility in Water: Negligible Viscosity: 115 cSt (115 mm2/sec) at 40 C I 14.5 cSt (14.5 mm2/sec) at 100C Oxidizing Properties: See Hazards Identification Section. OTHER INFORMATION Freezing Point: N/D Melting Point: N/A Pour Point: -30°C (-22°F) DMSO Extract(mineral oil only), IP-346: < 3 %wt SECTION 10 STABILITY AND REACTIVITY STABILITY: Material is stable under normal conditions. CONDITIONS TO AVOID: Excessive heat. High energy sources of ignition. MATERIALS TO AVOID: Strong oxidizers HAZARDOUS DECOMPOSITION PRODUCTS: Material does not decompose at ambient temperatures. HAZARDOUS POLYMERIZATION: Will not occur. SECTION 11 TOXICOLOGICAL INFORMATION ACUTE TOXICITY Route of Exposure Conclusion /Remarks Inhalation Toxicity (Rat): LC50>5000 mg/m3 Minimally Toxic. Based on test data for structurally similar materials. Irritation: No end point data. Negligible hazard at ambient/normal handling temperatures. H Product Name: MOBIL PEGASUS 805 SUPER Revision Date: 02 Aug 2010 Page 6 of 9 Based on assessment of the components. Ingestion Toxicity (Rat): LD50>5000 mg/kg Minimally Toxic. Based on test data for structurally similar materials. Skin Toxicity (Rabbit): LD50> 5000 mg/kg Minimally Toxic. Based on test data for structurally similar materials. Irritation (Rabbit): Data available. Negligible irritation to skin at ambient temperatures. Based on test data for structurally similar materials. Eye Irritation (Rabbit): Data available. May cause mild, short-lasting discomfort to eyes. Based on test data for structurally similar materials. CHRONIC/OTHER EFFECTS Contains: Base oil severely refined: Not carcinogenic in animal studies. Representative material passes IP-346, Modified Ames test, and/or other screening tests. Dermal and inhalation studies showed minimal effects; lung non-specific infiltration of immune cells, oil deposition and minimal granuloma formation. Not sensitizing in test animals. Additional information is available by request. The following ingredients are cited on the lists below: None. --REGULATORY LISTS SEARCHED-- 1 = NTP CARC 3 = IARC 1 5 = IARC 2B 2 = NTP SUS 4= IARC 2A 6 = OSHA CARC SECTION 12 ECOLOGICAL INFORMATION The information given is based on data available for the material, the components of the material, and similar materials. ECOTOXICITY Material -- Not expected to be harmful to aquatic organisms. MOBILITY Base oil component-- Low solubility and floats and is expected to migrate from water to the land. Expected to partition to sediment and wastewater solids. PERSISTENCE AND DEGRADABILITY Biodegradation: Base oil component-- Expected to be inherently biodegradable BIOACCUMULATION POTENTIAL Base oil component-- Has the potential to bioaccumulate, however metabolism or physical properties may reduce the bioconcentration or limit bioavailability. d Product Name: MOBIL PEGASUS 805 SUPER Revision Date: 02 Aug 2010 Page 7 of 9 SECTION 13 DISPOSAL CONSIDERATIONS Disposal recommendations based on material as supplied. Disposal must be in accordance with current applicable laws and regulations, and material characteristics at time of disposal. DISPOSAL RECOMMENDATIONS Product is suitable for burning in an enclosed controlled burner for fuel value or disposal by supervised incineration at very high temperatures to prevent formation of undesirable combustion products. Protect the environment. Dispose of used oil at designated sites. Minimize skin contact. Do not mix used oils with solvents, brake fluids or coolants. REGULATORY DISPOSAL INFORMATION RCRA Information: The unused product, in our opinion, is not specifically listed by the EPA as a hazardous waste (40 CFR, Part 261 D), nor is it formulated to contain materials which are listed as hazardous wastes. It does not exhibit the hazardous characteristics of ignitability, corrositivity or reactivity and is not formulated with contaminants as determined by the Toxicity Characteristic Leaching Procedure (TCLP). However, used product may be regulated. Empty Container Warning Empty Container Warning (where applicable): Empty containers may contain residue and can be dangerous. Do not attempt to refill or clean containers without proper instructions. Empty drums should be completely drained and safely stored until appropriately reconditioned or disposed. Empty containers should be taken for recycling, recovery, or disposal through suitably qualified or licensed contractor and in accordance with governmental regulations. DO NOT PRESSURISE, CUT, WELD, BRAZE, SOLDER, DRILL, GRIND, OR EXPOSE SUCH CONTAINERS TO HEAT, FLAME, SPARKS, STATIC ELECTRICITY, OR OTHER SOURCES OF IGNITION. THEY MAY EXPLODE AND CAUSE INJURY OR DEATH. SECTION 14 TRANSPORT INFORMATION LAND (DOT): Not Regulated for Land Transport LAND (TDG): Not Regulated for Land Transport SEA(IMDG): Not Regulated for Sea Transport according to IMDG-Code AIR(IATA): Not Regulated for Air Transport SECTION 15 REGULATORY INFORMATION OSHA HAZARD COMMUNICATION STANDARD: When used for its intended purposes, this material is not classified as hazardous in accordance with OSHA 29 CFR 1910.1200. NATIONAL CHEMICAL INVENTORY LISTING: AICS, IECSC, DSL, ENCS, KECI, PICCS, TSCA Special Cases: Inventory Status ELINCS Restrictions Apply H Product Name: MOBIL PEGASUS 805 SUPER Revision Date: 02 Aug 2010 Page 8 of 9 EPCRA: This material contains no extremely hazardous substances. SARA(311/312) REPORTABLE HAZARD CATEGORIES: None. SARA(313) TOXIC RELEASE INVENTORY: This material contains no chemicals subject to the supplier notification requirements of the SARA 313 Toxic Release Program. The following ingredients are cited on the lists below: Chemical Name CAS Number List Citations DIPHENYLAMINE 122-39-4 5 PHOSPHORODITHOIC ACID, 68649-42-3 15 O,O-DI C1-14-ALKYL ESTERS, ZINC SALTS (2:1) (ZDDP) --REGULATORY LISTS SEARCHED-- 1 = ACGIH ALL 6 = TSCA 5a2 11 = CA P65 REPRO 16 = MN RTK 2 = ACGIH Al 7 = TSCA 5e 12 = CA RTK 17 = NJ RTK 3 = ACGIH A2 8 = TSCA6 13 = ILRTK 18 = PARTK 4= OSHA Z 9 = TSCA 12b 14 = LA RTK 19 = RI RTK 5 = TSCA 4 10 = CA P65 CARC 15 = MI 293 Code key: CARC=Carcinogen; REPRO=Reproductive SECTION 16 OTHER INFORMATION N/D= Not determined, N/A = Not applicable THIS SAFETY DATA SHEET CONTAINS THE FOLLOWING REVISIONS: No revision information is available. The information and recommendations contained herein are, to the best of ExxonMobil's knowledge and belief, accurate and reliable as of the date issued. You can contact ExxonMobil to insure that this document is the most current available from ExxonMobil. The information and recommendations are offered for the user's consideration and examination. It is the user's responsibility to satisfy itself that the product is suitable for the intended use. If buyer repackages this product, it is the user's responsibility to insure proper health, safety and other necessary information is included with and/or on the container. Appropriate warnings and safe-handling procedures should be provided to handlers and users. Alteration of this document is strictly prohibited. Except to the extent required by law, re-publication or retransmission of this document, in whole or in part, is not permitted. The term, "ExxonMobil" is used for convenience, and may include any one or more of ExxonMobil Chemical Company, Exxon Mobil Corporation, or any affiliates in which they directly or indirectly hold any interest. Internal Use Only d Product Name: MOBIL PEGASUS 805 SUPER Revision Date: 02 Aug 2010 Page 9 of 9 MHC: 0B, 0B, 0, 0, 0, 0 PPEC: A DGN: 2008406XUS (1018216) Copyright 2002 Exxon Mobil Corporation, All rights reserved TECHNICAL MEMORANDUM CH2MHILLo 0 REG,„ .soa o ,�B HFjl : PREPARED FOR: Weld County Public Works CJ I¢yp a] I COPY TO: Nathan Keiser, Anadarko Petroleum Corporation c. 1579 • PREPARED BY: Ronald B. Heitland, CH2M HILL Engineers, Inc. • ;,,.vs.- L DATE: July 1, 2014 I RE: Anadarko St. Vrain Compressor Site - Site Drainage Narrative (Revised) This memorandum is intended to outline the historic drainage patterns, proposed improvements, and water quality capture feature design for the above referenced gas support facility. OVERVIEW The site is located in the E 1/2 of the NW 1/4 of Section 15,Township 3 North, Range 67 West of the 6th Principal Meridian,Weld County,Colorado. The project entails the construction of a new gas compressor station. The developed site encompass approximately 20.5 acres within the parcel number 120915200036 owned by Anadarko E&P Company, LP. The existing site is an irrigated agricultural field. The site slopes at less than 0.5%from a high point at the center of the site towards the northwest,and at less than 1%from the highpoint to the south side of the site. The existing site drainage towards the northwest moves by sheet flow to a low point in the agricultural field where it infiltrates into the soil. The existing site drainage towards the south also moves by sheet flow to a low point in the agricultural field where it infiltrates into the soil. The site is not located within a FEMA designated 100 year floodplain,as per Flood Insurance Rate Map number 0802660750C. The site is in an area designated as Zone C, which corresponds to an area with the potential for minimal flooding. The proposed site would include skidded buildings and equipment,gravel drives,gravel work areas, and berms covered with native grasses. Due to the flatness of the site, it will be built up to allow the majority of the site runoff to be drained by sheet flow to a Water Quality Feature on the west side of the site. The equipment area will drain to swales that will be directed towards the laydown area,where it is allowed to sheet flow to the Water Quality Feature. The overall parcel size is approximately 152.6 acres. The parcel imperviousness,after the site development and the installation of the access road,along with existing site installations, will be 7.3%. The site drainage will not leave the parcel. Therefore, there will not be any adverse downstream impacts. WATER QUALITY CAPTURE FEATURE The water quality capture feature will consist of an onsite basin that will collect the storm water run-off from the site. The Water Quality Capture Volume(WQCV)of the feature is calculated based on the Urban Storm Drainage Criteria Manual,Volume 3,Section 3,3, Equation 3-1. WQCV= a(0.91I -1.19/2+0.78!) Where: WQCV =Water Quality Capture Volume(watershed inches) PAGE 1 OF 2 situomam ST.%A m,'COMPRESSOR SITE-sr'E oftmto.oe NARRATIVE(RSV*SED) al =:Coefficient corresponding to WQCV drain time,from:Table 3:-2 of the reference =:1.0;conforms:tb:a 40:hour:drain time as required in the Weld:CountyiEngineering and Construction Criteria,Section 5.11.1 I =:Composite Imperviousness of Site(%/100) The:composite imperuiousness:of.0.41 for the site was calculated based on the following data: LAND SURFACE CHARACTERISTICS IMPERVIOUS:FACTOR: : : : TRIBUTARY (Note 1) •CATCHMENT ACREAGE Buildings 0.90 0.9 Greenbelts, agricultural 0 02 0.8 Gravel (packed) 0.40 rt. TOTAL ACRES= 20.5 Note 1_: Impervious factor from the Urban Storm:Draina8e Criteria Manual,_Volume 1;Section 2.7,Table . . . . . . . . . RO-3 Therefore,WQCV =1 O((0.91 x 0.413)—(1.19 x 0.412)+(0.78 x 0.41)) =0.182.watershed inches The required storage volume of the basin is then calculated as: V= WQCV(A) 12 Where: V= Required storage volume(acre-ft) A= • • Tributary catchment area upstream (acres} Therefore,:V : : :_:(0:182 watershed inchesl(20.5 acres) 12 =Q.31:acre-ft 13,504 cubic feet The proposed WQCV:basin will extend northsouth:for a:length of approximately:1048 feet and:a width:of 10 feet e batin Will include a storage volume Of 0.34 acre-ft,or 14,734 cubic feet,at a maximum depth of 1 foot. . . . . . . . .Volumes in excess of the basin capacity_will be discharged from the basins and will follow the historic:drainage. . . . . . . . . . . . path towards the:northwest PAGE 2Or2 FIELD WIDE. STORM WATER.MANAGEMENT PLAN FOR CONSTRUCTION ACTIVITIES AREA 2 WATTENBERG FIELD, COLORADO REVISED JANUARY 2009 Prepared for: KEG RR-I'1CGEE:OIL:&.C.' S ONSHORE LP 3939 Carson Avenue Evans, Colorado 80620 Prepared 6v: LT E'r%'IRO MEN IA I,, INC. 4600 Wet 60'n Avenue Arvada,Colorado 80003 (303)433-9788 TABLE OF CONTENTS 1.0 CERTIFICATION.:...:_ : .. . 1. 2.0 INTRODUCTION.,.,........................................,..................................................,............... ..............................2 3.0 SWMP ADMINISTRATOR 2 4.0 SITE DESCRIPTION 4:.1 Natur.:e of C©nstr. *ion Activity .... .. 3 4.2: The Propos_ed'Sequence_of Major Activities.... .: : ::: : 3: 4.3: Area of Disturbance 5. 4.4: Soil Description: . . .. 5 4.5: Existing:Vegetation... .. 5 4:6 Location of Potential.Pollution Sources . ::. ...... 5: 4.11 Non-Stormwater Discharges _ 5. 48: Receiving:Waters .. ... 5: SA SITE MAPS 6: 6.0 STORMWATER MANAGEMENT CONTROLS 6 6..1 .Identification of Potential Pollutant Sources ... 6: 6.1.1 Disturbed and Stored:Soils..., 7 6:1:2_ Vehicle Tracking Control G.1.3. Management of Contaminated.Soils 7 0.1..4 Loading and Unloading.Operations .. . . 1 6:1:5 Outdoor Storage Activities. . .: .:..... . .......... 8 6.1.6 Vehicle and Maintenance and.Fueling.................:...>.....::.:..::::::::.:.:,,,: 6.1.7 Dust or Particulate Generating Processes.or Activities _.............8 6.1.8 Routine Maintenance Activities 8 6_:1.9 On-site Waste Management Practices : : . . . :8 6.1.10 Concrete Truck.Washing S 6..1.11 Dedicated Concrete and:Asphalt Batch Plants............. 8 6_.1...12 Non-Industrial Waste SiWLL 9 6_.1.13 Potential Spills 9 6:2 Best 1 Ianagemen1 Practices(BM MPs):„ :: . .:.:: ...... 9 6:2:.1 Structural.Preetice$for Erosion and Sediment Control 1:0 6:2.2 Non-Structural Practices for Erosion and Sediinent Control 1 Z 6.23 Phased ow Implementation::.....:...:..:..:,:....:..........................:.:.:..:..:.:;.:..>,:.:.,,... ............. ,,,1.3 61.4: Material Handling:and.Spill.Prevention..,.............................................. 14 ...... .. ..... . ... ...... 6.25 Dedicated Concrete or Asphalt Batch Plants 14 fi 2,6 Vehicle Tracking Control....:...:................................. 6.2,7 Waste:Management and Disposal,Including Concrete Washout: : 14 6.1.8: Groundwater and Stai-ntwater.Dewatering. 14 TABLE OF CONTENTS(CONTINUED) 7.0: FINAL STABILIZATION AND LONG-TERM STO:RMWATERMANAG:EMENT...., 1.5 7.1 Reclamation i 5 7.2 Post:Construction Structural Measures 16: 7.3 Finally Stabilized 1:6 8.0 INSPECTION AND MAINTENANC) PROCK0:U.RES. . .. .• . 1°G: 8.1 .Inspections ... . . . . ..... . .. ..... 1:b $.1:1 .l4-day.Inspection/Active Stage . . . .: 1.7 8.1.2. Monthly Inspeetion/c'ompleted Stage .. 17 8A.3 .Final Stabilization SCage.,.........,............................ ....... .. ........ . 1.8 8..1.4. Winter Conditions.. 1.8 8.1.5 Precipitation Event inspections . . . 8:2 Preventive Maintenance: . ::: ::::::•::::::•:•::...:..• ..•: ... .. ..__. ......., , .....:.18 8.2.1 Goad:Housekeeping . 19 8,2.:2 Material Storage ::: :.::.:.:. . : . . :19 8.2..3 Waste Removal . . •• 2p 9..:0 EMPLOYEE TRAINING . ... .. .... ... . ... ... .. . .... . .. . .. 20 10.0 RECORD KEEPING . . • .. :•:. : .... .• ,:..21: 1:1.0. SWMP REVIEW/CHANG.ES::::...... • • . . .• .:.:.: ;;...:21: FIGURES FIGURE I AREA:2 STORMWA.TER CONSTRUCTION PERMIT TABLES TABLE1 PRi)1)t°i..I I IS I TABLE 2 BMP SELL (' ! I()', ( REt F:RIA TABLE'3 STRUCTURAL AND Ni )1\ STRUCTURAL BMP CLASSIFICATION TABLE 4. SEED I\IINFS AND APPLICATION RATES APPENDICES APPENDIX A STORMW':ATER. .GENERAL PERMIT COR-03000 AND KERR- MCGEE OIL & GAS ON S I IGRE LP AREA 2 STORM:WATER PERMIT COR-X39798. APPENDIX B SITE-SPECIFIC INFORMATION APPENDIX C BMP MANUAL_ APPEN DIX.:I) TRAINING LOGS I..0 cl l Taf'CAT.ION Kerr-McGee Oil .& Gas Onshore LI' (Kerr-McGee) has prepared This .Field Wide Stonnwater Management: Plan (SWMF) for Construction Activities for Area 2 of the Wattenberg. Field, Colorado: 1 certify: under penalty of law that this document and.oil attach rents: were prepared under my direction or supervision in accordance with a system designed to assure that qualified'personnel properly .gather and evaluate the information submitted. Based on my inquiry of the person or persons: who manage: the system or those :persons directly responsible for gathering the information, the information submitted i$, to the best Only know/edge and.belief, true,accurate;_' and complete.. I am.aware that there are significant penalties for submitting false information, including the possibility of tine and imprisonment for knowing:violations. 'K_ f�' , x . e i.: 4: -_ f ' i. .. :.. .�.T. Signature 1 �_. . . , Date Naive 4-,:€3 - .. K_ `` 47t -; : I tie y 4- _ .,�:`.'£; f v: Lbti :a 4i�+.. �# t '-' E ' :_,i-1 f' :xtP.: ;3 ' 1 2.0 IN.TRQDt1CTIQ:N LT Environmental, Inc: prepared this Stormwater Management Plan(SWMP) for:,Kerr-McGee to be used for.Area 2.in the:Wattenberg Field, Colorado. This SWMP:was prepared in accordance with. good engineering,. hydrologic and pollution control practices to :ensure the: Best Management Practices (:BMPs) are selected, installed, implemented and maintained to protect surface waters. Changes or additions may :he. required Ito:address. changes: in conditions in:the project area. As .a. condition of the: Colorado Discharge Permit System (CDPS) permit, the provisions:identified in:the SWMP will be implemented as written.and updated as:needed:from cocmnencement.of construction..activity until final stabilization:is complete.: This document contains the: _rewired. elements of a SWMP associated with Kerr-McGee's construction activities for. Area 2, as def ned in the: CDPS General Permit. for Stormwater Discharge Associated with Construction .Activity; Authorization to .Discharge under .the. Colorado Discharge Permit System (Permit No. COR-030000,effective:.July .1,..2007).. A copy of the :permit:submitted to the Colorado Department of Public Health: and Environment (CDPHE) for this.projectis provided in Appendix A.. :0 SWMP ADMINISTRATOR The SWMP Administrator for Kerr.=McGee is responsible •.tor developing, implementing,. maintaining, and revising:the SMMMP.. The:SWMP Administrator has the authority to:.dedieate the: financial.and.human_resources:to:implement-the SWMP. The SWMP Administrator:is: Mr. Paul Schneider-:Staff Environmental.and Regulatory:Analyst,Denver;.Colorado Office: (720)`924=6726 Mobile:(3:03)868-6665 The SWMP Administrator will ensure that the SWMP is followed and delegates responsibility. for coordination: of the SMWP inspections and maintenance of storiuwater re rds: .to the Operations Manager. The Operations Manager will provide support .for the SWMP Administrator with the implementation of the SWMP. The:Operations Manager:is: Mr.Greg Hamilton -Senior:Environmental and:Regulatory Analyst,Evans,Colorado Office: (970) 506-.5448 Mobile::(97€t).59(-6256 Both the SWMP Administrator and the Senior Environmental and_ Regulatory Analyst will manage the SWMP P Team Other foremen or designated.personnel may also assist in sto triwater inspections and maintenance of records. Overall, the SWMP Team is responsible for.: Implementing:spillfupset cleanup procedures.; N oti:fkation.to local authorities and.local residents of reportable.releases 2 413. Coordinating various stages.of B1s4es implementaation;. Conducting inspections; Maintenance of all records;.and. Coordination:of a preventive:maintenance program and housekeeping:measures, 4.:0 SITE.DESCRIPTION 4.1. Nature of-Construction Activity Kerr=McGee currently owns or leases oil and natural gas mineral:rights in the Wattenberg.Field area: which includes Adams, Boulder; .Broomfield, Den:ver., Latimer and Weld Counties, Colorado. Kerr-McGee has Split the field into three project areas: for ioperations management purposes, individual pad sites wiithin the permitted area range from: approximately % acres: to :three acres in size... The project area also includes field and site-specific:access roads., pads, and pipelines.. A map.Of:the:project area.(Area 2 within the Wattenberg Field) is provided.as Figure . The development of.oil and natural gas wells is generally accomplished in -three: distinct.°work phases. The first phase is the Development(construction/drilling/completion), the second phase :is the .Production (operation/maintenance), and the: third phase is the Abandonment with final reclamation. Each work.phase pis briefly discussed below. 4.2 The.Proposed Sequence of Majot.Activities The overall development of oil and natural gas: pad sites. is generally accomplished in three distlnet work .pliasesc: development, production, and ab:andonnient. The: work completed and sequences of events for each phase_'are briefly discussed below.. Approximately acres to three acres:of surface terrain are clisrrrrhed during the construction of'a new pad site. The construction phase includes the fotlowinr sequence of activitiess: pad constructions well drilling; well completion:,. gas flowline installation, equipment: installation, access road.building,and well.pad reclamation. The production phase includes the operation and maintenance activities during oil and natural gas production. The:typical equipment oii a pad: site during the production phatic consists of a wellhead; a separation:unit,.and:one or more:300-barrel +,typical) capacity abo eground tanks,for condensate.(if needed).. Gas wells.in the field arc proiectcd to produce for approximately 20 to 30.years. When the oil and/or natural gas: production of a. well k c N h a usted it will be: abandoned_ Well abandonment includes:plugging.and.capping the well and removal of all:surface.equipment. The pad area will bee_reclaimed by.contouring disturbed soils to conform to the sutrautiding terrain. Gas activity types::requiring.ground surface disturbance:include: a new drill site; a facility site.,a: .plugged and abandoned(P&A) site,and an excavation/other site as:well as ipipeline Construction. and access roads. Each of these types is described.as follow$: A_ new drill_ site includes pad construction, well drilling, well. completion, gas flowline installation, access road building and well pad.reclamation. Pad reclamation.is accomplished by backfilling :the: reserve pi:t (if applicable), contouring disturbed :soils to conform to. the- surrounding-terrain,replacing the stockpiled top soil,seeding, and thatchedlirxulched cif disturbed: soil areas in order to.reestablish coveragevegetation.. A..facility_site includes pad.construction, tank:and sump installation: (if`applicable),.gas:flowline installation, .access road building and pad reclaination.. Pad: reclamation is accomplished by :contouring. disturbed soils to :conform: to the surrounding terrain, replacing the stockpiled.`top soit,_ seeding, and thatch/mulched of disturbed soil areas in order to ireegablish. coverage vegetation.. A. .P&A Site includes Well abandonment;. .tlowline re4 uting_ -Or-abandonment„ access road .decommissioning, and removal of.all oilfield operations from the pad site. •Pad .reclamation is accomplished by contouring disturbed. soils to conform to the surrounding terrain_and seeding and/or thatch/mulched ofdisturbed.soil:areas in orderto:reestablish coverage vegetation.. An excavation/other site includes: excavation for a.variety Of reasons. Excavation areas will: be reclaimed:by back itling:and`contouring the disturbed:area:to conform to the surrounding terrain and seeding and/or thatch/mulched. of disturbed soil areas in order to reestablish coverage •vegetation.. .Access roads provide. access to the drill sites, pad. :sites, pipeline Connections, facility sites, excavation sites,: and: P&A sites listed_ above:. Roadwork construction and maintenance are: included:in this SWIMfP for these access roads_ Road.reelamatioia is accomplished by ;;oatouring disturbed soils to conform. to the :surrounding terrain, replacing the stockpiled _top. soil, and seeding andier-thatebitriaelle.d of disturbed soil areas in order to reestablish coverage:vegetation.. For storrnwater regulation: purposes, construction sites have been divided into the: following: stormy,atei stages: Active, Completed,.and Final_Stabilization. Details regarding the storrtiwater stages arc pros i(led later in Section C_ .,3.ofthis plan_ additionally an Oil pollshing Facility is located approximately 0.3 miles west of the intersection of Weld County Road 49 and on.the north side of Weld :County Road _30. This construction project has been shared with.Noble Energy Production, Inc. who operates on the northern portion of this facility; The Kerr McGee operating area consists of :approximately 9.25 acres of rangeland where:multiple_tanks have been constructed. The overall drainage of the:Kerr McGee facility leads to a detention pond in the southeast corner of the facility where sediments can drop out of.surface •water before leaving the site to a.road ditch at.tbe:south end:ofthe facility... .4 ;4111 4.3 Area:of Disturbance The total field wide area of disturbance is 150 acres. The site-specific site boundaries, and areas of disturbance are identified on the .site-specific database site maps;.specific: inspection forms; and:history reports:. .(Appendix B).. 4:.4 Soil Description Th.e Wattenberg Field is.a large area covering Adams, Boulder, Broomfield, Denver,:Larimer, and Weld counties. Kerr-McGee's Area 2 operation falls within Adams, Boulder, Broomfield,: :and:Weld Counties. Topsoil varies within the area, and :is classified as loam, sandy loam, clay loam, loamy :sand, and sand according to the U,S.: Natural Resources Conservation Service ( 'j;. Percentages of each type of topsoil vary widely throughout the area. 4.5 Existing.Vegetation The well pads are primarily:surrounded by low shrubs and brush rangeland, tall grass, short.grass prairie land, sand dune complexes, and occasional crop _land: Pre disturbance :ground cover variess from zero to 80%. Specific vegetation data at each pad site are entered on the site-specific inspection forms. 4.6 Location of Potential Pollution Sources The location and description of all potential pollution sources are provided in detail in Section 6:_l.and summarized in Table 1.. 4.7 N.oa-Stormwater Discharges The fOllowin is: a. summary list: of non-stormwater discharges which are allowed under the stormwater permit: • Discharges from emergency fire-fighting activities:or a:fire hydrant; • Landscape irrigation Or return flaw;: • Uncontaminated springs;and • Construction dewatering. Kerr-McGee:does not anticipate any non stonnwater. discharges at:the pad sites. 4.8 .Receiving Waters The stormwater discharged May directly impact unnamed tributaries to, as well as Boulder Creek, Beebe Draw, Speer Canal, Box Elder Creek. 13 irr Lake. Milton Reservoir; and:then will: ultimately be received bytfi:e:South Platte River. 5 / The majority of.Kerr-McGee's pads or. access roads CIO not intrude or encroach an any Wetland acreage; If a wetland is designated to be within a pad construction area, Kerr-McGee will consult with the.Army Corp.of Engineers,as applicable. 5.0 SITE:MAPS The Site maps are kept in Kerr-McGee's database. Kerr-McGee's database is intended to: manage and track`.all site-specific stormwater records for Kerr-McQee:. The:database consists of current inspection forms with supporting visio map at_tachmen_ts. Maps are updated at every inspection interval and dated:to show changes from one inspection to the next. For the:purposes of this SWM:P, the site-specific inap information required to.be included:in the. °SWMP{Appendix B)will actually be.corrtpu sed of:the:.Kerr-McGee:database. Construction site boundaries; ground surface disturbances; areas of cut-and fill; storage areas for building materials, equipment;: soil or waste; structural. BMP locations; non-structural BMP locations (:as applicable); locations of springs, streams, Wetlands or other surface waters; wellhead locations; and other pertinent site-specifics are shown on maps Attached to the site specific SW:MP Inspection Reports(Appendix B): 6.0. STORMWATER.MAN.A:GEMENT CONTROLS: 6.1. Identification of Potential.Pollutant Sources: To_identify; evaluate; and assess potential sources of stormwater runoff pollutants:that May exist at.a pad_site, the:following activities_arid:pollutant:sources were evaluated; Disturbedand stored soils; Vehicle tracking controls; Management of contaminated sails; Loading and unloading operations; Outdoor storage activities;: Vehicle and_equipment Maintenance and fueling; Dust or particulate generating processes or activities;. Routine maintenance activities; On-site:waste t anagement:practices; Concrete truck washing;: Dedicated concrete and asphalt batch plants; V y Non-industrial:waste sources; and Pcitential spills. Refer to site:specific maps found.iin Appendix B for the: possibility of these potential pollutant: sources:existing ons:ite. 6.1.1 .Dist ebed and Stored:Soils_ Disturbed soil .and excavated materials: will be stored on or next to the pad within the construction area.. Topsoil and other soils will be stockpiled separately and seeded as needed: Excavation in 'sensitive areas May be conducted using special techniques: as specified by the landowner/age icy representative. Excavated materials will be utilized as.backfill when practical. An exception may be excess rock :generated by hock blasting excavation activities. in these areas;, some select backfill materials may be required to. protect the project area. Excess rock may be pushed into rock filter dikes, used in energy dissipation zones below culverts,constrU:eted.into rock:check darns:within::grassed swales,or distributed over a portion of the project:area. All cut slopes made in.steep:rolling terrain dining construction will:be regraded and contoured to blend into.the _adjoining landscape and natural drainage: patterns: will be reestablished to as near.pre=disturbance:levels as possible. Temporary workspace areas will be restored to approximate pre-construction conditions: 6.1.2. Vehicle Tracking Controls Properly:constructed and graveled roads provide the best off-site tracking control. Access road entrances: adjacent to:paved: Malty roads: are often graveled to prevent or:minimize any off-Site soil tracking from pad areas or access:roads. In:some irnstawx-es_ 4-ttttIC guards are used to drop off caked mud before the vehicle exits the site. area. If tracking is observed, the roads will be cleaned by any combination of road scraping/sweeping as necessary: 6,1.3 Mnnatement.of Contaminated Soils: If contaminated_soils are excavated:at a Derr-Mcaee site, additional BMPs will be employed to ensure containment of any stoi rilwater rucitiff In addition, stockpiles of contaminated soil will. be removed from:the:site and disposed or.landfsrmed as soon:as possible. 6.1.4 Loading and Un loading 9oera .ons: The majority of loading and unloading activities occur dining well drilling and well completion activities. Well drilling and completion surfactants;_ friction reducers, dilute hydrochloric acid,. potassium chloride solutions, drilling mud, condensate, and other fluids are transported or unloaded directly into the well from trucks, on site tanks, and/or the reserve pit. Dry drilling. mud: comparients are contained in paper bags and are stacked on pallets, which are_ unloaded using a forklift or by hand.. in the: event of a spill, the SWMP :material handling: arid spill 7 ar l y= prevention procedures will be followed(see Section 6;2.4), Other activities include unloading of drill pipe, completion pipe (casing), and natural gas line pipe, which are not potential pollution sources.. 61.5: Outdoor Storage Activities The most common .substances: that are :stored on a pad area are: I) fuel: and lubricants: used by vehicles and construction equipment; 2) frac fluids (surfactants, friction:reducers; hydrochloric 'acid., and potassium chloride) used during well completion procedures; 3)production water from: the.well: and 4) produced crude oil and.condensates: A list o€chertncal products:typically used, at a Kerr-McGee site is included as Table :1. '61:6_ Vehicle and Eduipment Maintenance and Fueling Kerr-McGee:does:not fuel..or:maintain construction related vehicles or equipment located within the:Kerr-McGee Area 2 Wattenberg Field, Colorado sites.. 6.1.1 Dust.or Particulate.Generating Processes or_Activities Dust and/or particulates generated from vehicle traffic on graveled access roads may produce fugitive emissions. Dust and particulate generation are highest during dry and hot times of the year. If dust from vehicle traffic:on graveled access roads beecoines: significant, dust suppression procedures will be implemented that include road watering: 6.1.8: Routine Maintenance Activities Routine maintenance activities involving fertilizers., detergents, fuels; sOlverits and oils are not completed at the Kerr,McGee sites. Herbicides will be applied:.annually in some areas to control noxious weeds.. Herbicide application will always. be. conducted by certified and trained individuals,and -ith ssideration:for runoff potential to nearby surface waters. 6:1.9 On-site W liste \lanageutent Practices All:waste from materials i][� :,.::rted to ill,. nstruet ite are:placed in appropriate containment and then reittoyed for dispct,,,1`: :�: ';, `T 'to: an appropriate licensed disposal/recycling facility.. No waste materials will be burial, di Lill •ed;or discharged to waters of the state. 6:1.19: Concrete Truck Washing_ Concrete truck/equipment washing. including the concrete truck chute and associated fixtures: and equipment; is not conducted Within. the Kerr-McGee: Area 2 Wattenberg Field, Colorado sites. 6.1.11 Dedicated Concrete and Asphalt Batch Plants: NO dedicated concrete or asphalt: batch plan : are :located within the Kerr-McGee Area. 2: Wattenberg Field,Colorado sites. 8 6.1.12 Non-lndustriaj Waste.Sous:es Cleanup of trash and discarded materials will be conducted as noticed. Cleanup will consist of patrolling the roadway, access areas, and general work areas in order to pick up trash, debris, scrap,:or other discarded materials. All waste:from materials:imported to the construction site are:placed in appropriate containment and: then removed for disposal/recycling to an appropriate licensed disposal/recycling facility. This also includes sanitary sewage facilities (typically portable), which will be placed, anchored, and maintained with pro_per_ea_re.. 6.1.13 Potential Spills Spills'or leaks will be handled by Kerr-McGee personnel or contractors,. according to the.Kerr- McGee Wattenhcerg 'ieldr Colorado Spill .Prevention; Control and Countermeasure (SPCC) Plan.. Kerr-McGee personnel eonduet discharge prevention irreasures, including procedures for routine handling of products.. Loading and transfer issues: aces discussed :in. monthly: safety meetings:. Preventive maintenance is scheduled by the SWMP Administrator. As part: of the preventive maintenance program, Kerr-Mc€lee: personnel. conduct Monthly _inspections for: good housekeeping issues, operation and maintenance issues, and the condition of structural controls, specifically around tanks and containers. 'Operators are trained in the safe handling of Materials and spilldiscovery;response, and cleanup procedures during safety_meetings. Emergency_numbers::are: posted at the: Evans office, located. at:.3.9.39 Carson Avenue, in Evans;Colorado: In general, small spills,will be handled by Kerr-McGee personnel. The SWMP Adrninistrato:r or his designee will handle spills and emergencies. In most cases, an absorbent material is used to pick _up: the spill.. The: spill: response equipment: is also located at the Evans office, In the situation of a larger.spill, the SWMP Administrator or Senior Environmental and Regulatory Analyst would be notified and a contractor would be called to respond to the spill. For the protection of spill response personnel, all drums, tanks, and other containers are clearly labeled.to identify contents,in the event of a spill, Materials handling is:discussed'in detail in Section 52,4 of this plan, 6.2 Best,Management Practices(BMPsJ BMPS for sediment and erasion control Will be accomplished through a combination of construction techniques. ve`gt Cation. and re-vegetation, administrative controls, and structural features:, Typical configurations of structural controls: discussed below and technical drawings with references are provided in a R€VI P Manual: (Appendix C). BMP_selection is guided by the criteria.listed in Table 2 and Appendix B. Structural and non-structural BlOs are discussed in the following sections,and are.summarized in Table 3. 6.2.1 Structural.Practiees.for Erosion and Sediment:Control. Structural practices primarily include physical attributes of a. pad site, access road or pipeline designed to reduce erosion and Control s:torrriwater Or sediment tnavenient.. 6.2.3.1 Erosion.Reduction and Control: Construction of a pad requires the:removal of vegetative cover and topsoil, thereby iinc:reasing. peak flood flows, water velocity, and .the volume of stormwater runoff An increase in water runoff volume and velocity results in increased erosion. _Erosion reduction and control will be. accomplished by using all or .combinations of various erasion control.methods. These :methods. include,but:are not limited to the following; Diversionand control of ninon water;: Diversion and control of runoff°water; Vegetation:establishment and maintenance; and Application and maintenance of mulches,blankets,tackifiers, tracking,and contouring.. Runoff control procedures that will.be:used to mitigate and reduce the erosive transport forces of stormwater during and after construction of.a pad will include but will not be liimited to: the .followin;;: Cheek Danis:; Beans.; Culverts;. Culvert_Protection; Diversions;. L:and Grading; Mulches,wi th..or without a.tacki fier; and: Erosion Control Blanket Existing vegetation cover and topsoil are removed: only where: necessary for the operation of equipment and construction of the:pad. Trees:and large shrubs that are not cleared friar, the pad area Will be protected from damage during construction by avoiding them with equipment. For example; the:blade of a bulldozer will be in a raised position_except for designated areas. Trees will be .cut or trimmed: only to facilitate clearing,: grading, and safe .installation of a pad:. Trees outside the area..of disturbance will not be cut;but niay have overhanging limbs trimmed if 1.0A._ necessary. Refer.to Tables 2 and.3• for a list:of all BMPs to be Used throughout the Field Wide SWMP:. Appendix C includes details on BMP installation arid maintenance procedures.. 6.2.l2 Sediment Reduction:and:Control The reduction and:_contra of sediment contained in: stortnwater runoff will be accomplished by the use:of sediment containment systems. Sediment containment systems are hydraulic controls that allow the: detention of suspended panicles via gravity, filtering_ or entrapment.. Sediment controls that,will be used to mitigate:and control:sediments.generated from the erosive:transport: forces o_f stormw tter during and after construction of a pad will include but will not be limited to the.following: Silt Fence; Straw Bales Wattles; and: V e'hicle Tracking Controls. Refer to Tables 2 and 3 for a list of all. BMPs to be used throughout: the Field Wide. SWMP. Appendix C.includes details dn:BMP installation and.maintenance procedures. 6.2..13 Detailed Structural and:_Adiuinistcatiive Site Management Practices The :following structural and administrative site management practices are: expected to reduce, minimize, and control erosion and sediment transport: in: order to minimize. disturbances associated with:installation of pads, level_.and gently sloping terrain outside the construction project area will not be graded, except where necessary; To prevent tracking of:sediment mud and rocks onto public roads, portions of access roads:may be graveled,_as appropriate. Other means such as track pads/angular rock or cattle guards.may be utilized if appropriate: Silt barriers (e.g. wattles,. silt fence, straw bales) will be installed as: needed: on down—gradient portions of project areas_._ Side hill cuts (cut slopes)will be kept to a minirutn to protect local resources while providing a safe and stable plane:for the.efficient and safe use ofequipment. Where conditions warrant, erosion control structures such as berms;.diversion or culverts may be: constructed to divert water away from project areas. These control structures will also reduce soil erosion_along and adjoining areas disturbed during construction. During construction.dear perennial streams, lakes or wetlands, the utilization of silt fence. or • straw bales may be considered in: order-to prevent suspended sediments from reaching ,down: Slope watercourses,streams,:lakes or wetlands, l•1• If?* Wheere_appropriate, staked straw:bales or silt fence: may be: constructed adjacent to crossings to reduce potential sedimentation in streams or wetlands. areas that have steep.slopes, water.barns or runoff diversions may be installed. When used, water bars will.generally:begin and end in:undisturbed ground at approximately a 2% slope.. Culverts may be'installed:at a grade.-ranging froth 2% to 5%, Inlet protection may include inlet aprons:and :rock armoring around the:culv:ert.perimeter while below grade inlet sumps May be installed .to enhance sediment deposition. Outfall protection titay include_ the use of a. rock barrier to slow the-discharge-of-runoff water. Culvert pipe or outfall:protection.will be extended to the:toe_of the..slope an the:discharge end:. During the reclamation of a pad, all cut and .fill slopes .in .steep terrain will be graded. and contoured to blend into:the adjoining landscape: Natural:drainage patterns will also be recreated to as near. pre-disturbance as..possible. When possible,.cut and fill:slopes will:be:constructed so they are..no steeper.than a: 1 to 3 ratio. Reclaimed pads may have a fence constructed around areas that have been seeded. These:fences will:lie.installed in order to keep livestock.and vehicles off reseeded areas::. 6.2.11.4 Implementation of Structural Practices l he following structural practices (sediment controls) may be utilized at disturbed areas. silt fences, straw hales; earth beans; at equivalent: sediment. controls.. These sediment control structures will be installed so as:to protect down slope surface waters, wetlands; and roads: from sediment flow due to runoff from a precipitation.or snow.Melt event All. graded surfaces, walls, dams and structures, vegetation, erosion and sediment control measures;: and.other.protective: devices identified in. the plan will be maintained, repaired,.and restored as necessary: Table:3 contains.a:summary list:of structural and non-structural:BMPs. 6.2.2 Non-Structural Practices for Erosion and Sediment Control n and sediment control can also be. controlled via. non-.structural..BMPs. Non-structural. `: i :ire BMPs:that are not engineered as a stonn'ater barrier and are capable of limiting the: of potential pollutants available to reach.receiving water bodies, 'Nonstructural .BMPs • : it l i ieve Mesa=a feet :as: structural BMPs through erosion control, filtration trapping,.and: the settling:of sediment load within a perimeter. Kerr-.McGee has iniplennented non-structural practices for stormwater management into their pad site development, including Program Oversight, Construction Site: Planning. and Management,. and Materials Ma ngeinent.. Table 3 summarizes the details ofsuchpractices. Pad._sites can :include a slope tt the.reserve pit:or a buffer zone_of natural vegetation:used._as a. nonstructural BMP to:itihi_bit sediment:travel:.ofl site and minimize the footprint of the:pad: 6.2.3 Phased BMP Imnletntentataon The phases :of construction or development and stormwater stages are linked 'to the implementation of structural and non-structural .BMPs. For stormwater regulation purposes, construction sites have.been divided into the following stariwater stages: Active, Completed, and.Final:Stabilization:. Stormwater controls to be used for each phase:are:listed in.Tables.:2.and 3. Approximately 14 to three acres of surface terrain is disturbed during the construction.of a.new .pad.. The Development phase includes the following:activities: pad construction,. Well drilling. well completion, gas .flowtitie installation,access toad. building, and pad::area reclamation:. Pad reclamation:is accomplished by back filling the reserve pit,contouring disturbed soils to conform with the surrounding terrain, replacing the.stockpiled.:top soil, seeding.andlor. thatch%mulched of disturbed soil areas in. order to reestablish a: cover vegetation. The completion of a well :generally trigger a one..year time period in which the reclamation phase of work should be. :completed. During pre-construction, drilling, and .other: active•.comStruction, the focus will be primarily on. containment. type: BMPs.. An example would :b.e a continuous berm to contain stonnwater .pollutants on site: During this phase; stormwater runoff is specifically controlled so as .not .to leave,the pad site. The production phase includes the operation and maintenance activities during natural gas production.. The typical equipment on a.pad..d:uring the production phase consists of a.weliliead,. a::Separation unit,_from erne to several 30Q-barrel capacity'aboveground tanks for condensate, and a sump for storing produced water. Reclamation activities during this phase include maintenance. nf.revegetated areas and maintenance :of the erosion and•sediment.control :structures. Wells: in the:.field:.are projected to produce for approximately 20Q to 30 years. When the oil and_natural_.gas production ofa well is exhausted it will be abandoned. 1:non well abandon eat each borehole will be plugged, capped, and.all.siirface:equipment will be rcu loved. Subsurface pipelines will be removed to specified locations and plugged; The:pad area Will be reclaimed by contouring disturbed soils to conform to the surrounding terrain., by replacing the stockpiled top soil, by seeding and/or thatch/mulched of disturbed soil areas in order to reestablish coven vegetation, and by construction of erosion and sediment :contra structures :as needed; For the purposes of this SWMP and the stormwater Construction General permit,only active and completed sites will be monitored. Once..a completed site is revegetated.and stable, it Will be removed from..this stormwater construction::SW NI P. Depending upon. the: type: of site, the site terrain, .and the phase of construction, .different stom1v ater BMPs wilt be utilized. Various BMP options are listed in Table 2, and_ design sppecifications arc shown in the 13MP Maiival(Appendix C). 't 3. 6.2:.4 Material Handtiint and Spill Prevention .A SPCC is required for this Project site as it does meet the applicability criteria set forth in Section 112.1 of 40 CAF Part.l in the Colorado Storage Tank.regulations. These regulations require a SPCC Plan for non transportation. related facilities. that t oiild: reasonably expect to discharge oil into:or upon a navigable:body of water.of the united States.; and the: facility has a.total.combine above ground .storage. tank capacity of greater than 1,320: .gallons of oil. Both regulations further add that an SPCC Plan is required if any single: aboveground:oil storage tank's capacity exceeds 660.gallons: Hazardous materials and .petroleum. products: used in construction: of a :pad. include: `fuel and lubricants for-construction equipment and vehicles;_small:quantities of paints and:solvents;:water or gel.based trac fluids (surfactant, friction reducer,dilute:hydrochloric.acid,potassium chloride) used.during well .completion; produced Water:; and crude oil/conden:sate.. Material Safety Data Sheets: (MSHS.) for materials:to be used or.that are produced, are maintained at lKerr-McGee's Evans, Colorado office.. .If a spin of pollutants) threatens stortnwater or has the potential to discharge from the site,.the Storinwater Administrator Will be contacted iiininediately. 6.2.5 Dedicated Concrete or Asphalt Batch.Plants: Kerr-McGee does not.have: or subcontract any dedicated concrete or asphalt batch plants for:its: pad site development or construction in Area 2:Wattenberg Field, Colorado, nor will storm pater encounter concrete or asphalt.batch plant activities. Dedicated concrete or asphalt batch plants are further discussed in Section 6.1..1.1 of this plan. °6.2.6 Vehicle Tracking Control: .Kerr-McGee will:employ BMPs to minimize_vehicle tracking: Further discussion on this topic is. in Section 6:.1.2 of this SWMP. 6:2.7 Waste:Manaement and Disposal,includinst:Concrete.Washout: Waste_disposal is further discussed in ;sections 6:1,9 and 6,1:12 of this plan:.: Concrete washout does not occur at Kerr-McGee's :sites. and therefore; will not he a potential pollutant to stormwater. 6.2.8 Groundwater and Stormwater Dewaterin Construction. dewatering may take: place _on a. limited basis at Kerr-McGee sites. The permit allots for conditional discharge of construction dewateri ng to the ground it wti It rate), ho\\ever no groundwater from construction::dewatering can he discharged as surface runoff or to surface Waters. For large construction projects with planned dev ttcring activity, Kerr-.Mc:Ge< will apply for a separate dewatering:permit:from the.stat e. as required. l4 FINAL STABILIZATION AND LONGTERM STORMWATER MANAGEMENT 7:]_. Reclamation Unless otherwise directed.by the landowner or a jurisdictional authority,. rocks, cut vegetation,: and other surface material temporarily stockpiled during construction will be redistributed. as backfill on the project area. During reclamation,:sediment BMPs vill remain in.use, Disturbed areas:will be:seeded using seed mixes appropriate to the location as noted in:Table 4; unless the landowner wishes to return the land to agricultural :.production:_ Local soil :conservation authorities_ with_ the US, Natural Resources Conservation. Service, surface owners and/or reclamation contractors familiar with the area.may be consulted.regarding the other seed mixes_to be uti_lizcd. On:terrain where drill seeding and/or thatchfmulched is appropriate, seed::may be planted.using..a drill:equipped with a depth regulator to ensure proper depth of planting, The Seed mix will be evenly and.unifortn:ly planted over the disturbed area. Drilling Will be.used Where topography and soil ebnditions allow operation of equipmete-M.meet the seeding requirements of the.species being planted. Broadcast seeding will occur on steep terrain and on areas where the cut vegetation and rocks were. redistributed ()Vet a right-of�way. Hydraulic mulch Consists: of applying mixture :of shredded:Wood fiber or a hydraulic matrix:, and.a. stabilizing emulsion.or tackifier with hydro-mulching:equipment, which temporarily protects exposed soil from erosion by raindrop impact or wind,. Hydraulic mulch is suitable for disturbed.areas requiring temporary protection until permanent stabilization is: established, and. disturbed areas: that will be: re- 'disturbed following an extended.period of inactivity.. .Seeding will be done when seasonal or weather conditions are most. •favorable according to schedules identified :by the jurisdictional authority, reclamation contractor, or landowner: Whenever possible,:seeding.will_be.timed to take advantage of moisture; such as early spring ox late:fall,'which will benefit.from winter precipitation, Seed mixes will.be planted in the amount specified in pounds (as noted in Table 4) of pure: live seed per<acre:. No primary or:sec:ondary noxious weeds will be in the:.seed mix. The reestablishment .of: vegetative cover as Wen as watershed :stabilization .measures will bp scheduled during the working. season and before-_the succeeding winter. Re-vegetation will be accom lished'.as soon as practical following the reclamation ota.pad, pipeline or road. Mulch Will he lad down during re-vegetatnon as appropriate: The cut vegetation and.rocks:will act like mulch.in the areas where they are applied. Where :straw- or.bay mulch is applied,. the mulch will be:applied._and crimped into the soil.: The need for fertilizers will-be-determined in conjunction with the landowner. It fertilization is necessary, the rates_of application will.be based on site specif e requirements of the soil. .A special tondition exists for pad sites within crop lands.. Accor.ing:to the CDPHE Stornicvater Fact Sheet dated 2007: 15 Lormur-'77 When portions of an oil and gas site are restored.to crop.land in accordance with the COG.CC rules, and returned-to the control of the farmer following_ interim t:eclantation,permit:coverage is no longer required those areas, :and it L. not necessary,for the oil and gas site to either stal7il: a:or reassign permit coverage for the area restored to crop land When.this condition exists::for a pad: site, inspections will be discontinued and the site will be: .removed frt ui.tbe stor :iwate:t.construction'pertmit program. 72. Post:Construction Structural-Measures. Pet rtanen.t_eulverts; trench plugs.acid or other.permanent..structural measures may be installed on steep slopes.and at:wetland and stream crossingboutidaries. :After restoration and reclamation. work.is complete,'required repairs' to`vegetation and: erosion and,sediinent:control BlP will.be completed..as.required.. 7;3 .:Finally Stabilized According to stonnwater regulations, "finally stabilized means that all ground surface disturbing .activities at:the site have been completed:ands:alsl disturbed:_areas have been either built on,paved, or a.uniform vegetative cover has been:established with an individual plant and a density of at least 70 percent of pre-disturbance levels, and the vegetation_ cover is capable of providing erosion control equivalent.to pre-existing.conditions, or equivalent`permanent, physical erosion rediictiOn methods have been employed." A special condition. exists for oil and gas pad. sites regarding pavement, According to the CDPHE Stormwater Fact`Sheet dated'July.2007: Areas developed. a3 .stahili;ed unpari'cci surfaces as :deeded far operation of tic facility after interim reek:: c:Won also qi.l iiilt• as 'finally stabilized": The term "alahilized unpaved x111 r rec.k includes dirt re:ir ',r„ 1 1;'e.s and the_porttons of he li c'(1 pad slrlolaces. ,'llc!! c (1!!1lttl he !'t'1't'L'c'Jcll['i? due to riO 1•;yfjri±lCrl tr84esS1ty, but dtit'% Hot in, nick ,,?a1?E.?.S,. aild ()tiler it hew !'eve i Li loo is :neeessaty. StainILL-cil iwt,r11.,O stn.laces inns! iii'prepared in t uch O 11'. l US 10 1111riifl'uze'01-Q$soni such as/,'l i'i"t'11/i ll;; i'I1/ ,'1 rr,fr(Jrr flirt. aL s!!!tO( \ or roads, .8.0 INSPECTION AND MAINTENANCE PROCEDURES 8.1. Inspections: Inspections will be conducted:to document:they status of erosion and sediment.control.structures: and re:-vegetation.efforts, Inspection forms will document.non-compliance conditions, including: any uncontrolled releases of sediment or other contamiiiaints. additional 13MPs that are:iieeded,_or repair and maintenance issues. Recut ired.actions or modifications. as documented on the SWAP Inspection: .Report, will be implemented as soon as possible, immediately in most eases, to minimize the discharge of pollutants. Routine_inspections may be.conducted.at pad areas .and along.access roads and pipelines during all phases of work.and after a precipitation-related:event 16 All inspection observations will be recorded on the SWMP Inspection Report; The: SWMP Inspection Report provides a.standardized format that will be completed:during all .inspections, and includes a signature:line for the inspector to ensure compliance with the regulations: For stormwater regulation: purposes, construction: Sites: have been divided into stomAwater inspection stages: _.Active, Completed, and Final Stabilization, Each of these .storniwater :inspection:stages is.discussed below, Once a Completed Site is revegetated and:stable, it will be removed from this storrnwater construction permit program.and:all site-specific structural BMPs will be removed. A Special condition exists for pad sites within crop lands, which is detailed in Section_7,1 of this plan. When pad sites: are being monied: to a :farmer tor agricultural usage, the sites may be removed from the stormwater construction.permit.program:. Personnel responsible for inspections: will be trained to: evaluate stormwater Management concerns, erosion and sediment: control BMPs, and to evaluate pad and surrounding area vegetation. &LI- 14-:dav Inspection/Active State The construction phase of work: -is classified as the. Active: phase, .according. :to :stormwater regulations. The: inspection frequency is .every 14 days during.the Active phase: and must: be conducted within:24 hours after the end of any precipitation or snowmelt event that causes surface erosion, The construction perimeter, disturbed areas, and any .stored :materials that are exposed. to precipitation.Will be inspected for evidence:of, or the potential for pollutants to possibly enter the drainage .system:. Erasion and sediment control systems .identified on the site=sp_eufc. SWMP Inspection Report will be.inspected.to:etistire:they are in good condition and operating properly:. Monthly hisnection/Cumpleted Stare For sites or _portions of sites .that: meet the, fbltowirig criteria, but final stabilization is not achieved due`to.a vegetative cover-that-has not become established, a thorough inspection will be conducted at:least.once: every month, and post- storm. event inspections are not required... This reduced inspection schedule is on&allowed if All etinstructionl activities that will result in surface ground disturbance:are completed; All activities required for final stabilization, in accordance with the SWMP.-,, have been completed, with the exception of the application of seed that has not. occurred.due to. seasonal conditions or the necessity for additional seed application to augmen€previous efforts;and The SWMP has:hecu amended to indicalc those areas that will be inspected in accordance with the reduced schedule: However; because slopes and other.disturbed:areas are loot vegetated, erosion in these areas_still occurs which requires maintenance activities such as regrading,. erosion. control. blankets, and 17 seeding of problems areas. As such, inspections must continue in order to address these situations: The SWMP fer the site_must be amended.to indicate those areas that will be inspected at.°this..reduced frequency: :8.1,3: Final StabilizationStaEe. Finial stabilization is reached:when all ground.:surface. disturbing activities.at. the:site.have been. completed, and uniform-vegetative cover has been.established with:an.individual plant density of at leash 70% of pre-disturbance levels, or. equivalent permanent,: physical erosion iredUctiOn. .methods have been employed. When. the site has reached final .stabilization,. an Inactivation. Notice: will be tiled. with CDPHE to :inactivate the storniwater permit:, Al.. temporary site,: specific:BMPs.no longer required will be removed.. :$.1.4 Winter Conditions Inspections will not be. .required: :where: constructiori: :activities: Are temporarily halted because snow..cover exists over the entire.site for an.extended.period as.long as.melting conditions.do not 'exist.. The following information must be documented in.the inspection: record for use :of`this exclusion:: dates when snow cover occutre date whets.construction activities ceased, and:date melting conditions:began. :8.1.5 Precipitatkn Event.1nnspections: Active site inspections will be conducted within 24 hours after a precipitation.or snowineltevent- that causes_ surface erosion. Surface. erosion._generally occurs: when.precipitation or: snowmelt results in surface water flow. If no.construction.activities will occur.at a site following a storm event, post storin event inspections: will be conducted prior to .re-commencing construction activities,but no later:than 72.hours following the storm event. 8.2 Preventive Maintenance Pre ent'ing stormwater from passing through pad areas where contamination may occur is a key element of preventatitenisiiitenanee. Another key element ofpreticutatt\e maintenance is the routine inspection and repair or erosion and sediments control structures. Regan- i leanin`l of diversion ditches:and other LiNti's to keep them free of debris and sediment will be practiced, Spillways:and.culvert systems will also be routinely cleaned and inspected. These maintenance procedures will help tc} ensure that the stormwater does not leave disturbed areas.vii, unintended channels. The following preventive maintenance: procedures.will. be implemented to reduce or eliminate potential storrnwater contamination sources that may exist on a pad:: Storage: containers fuel. tanks; and equipment: used during construction. activities should be visually inspected routinely .for•Obvious leaks:. These inspections should lie conducted by site and contractor personnel as:they perform their routine duties; Drums. will be properly labeled so .an. enclosed substance can be quickly identified. O S HA-_ approved'labeling::and..:sign systems will be followed for all secondary containers; ireW18 Erosion damage to the berms, outfalls, silt barriers,.collection channel, containment ponds, and any other erosion and sediment:controls will be repaired as soon as practical; Areas of stained soil will be inspected in order to identify the sources of the staining, Contaminated soil:will be removed:and properly.dsposed; Energy dissipating material, such as riprap,cobbles::or gravel:will be placed, or existing materials will:be utilized at:the stormwater outfalls to prevent erosion damage.. Barrow.ditches should be free from:vegetation and debris:which may cause impounding of'stortiwater; and: Stortnwater_management structures will be: cleared of.debris and repaired when necessary.; and surface runoff controls such as culverts, and ditches will:be:used to control runoff. 8.2.1 Good Housekeeping In accordance with BMPs that provide procedures to:eliminate contamination, and direct, divert,. and contain stormwater; Kerr-McGee has implemented :a number of housekeeping practices: These practices will help prevent soil sediment:,: trash, and toxic: or hazardous substances from entering navigable.waters. Housekeeping practices: include regular cleaning; organization and maintenance of pad equipment: and erosion and sediment control structures throughout the project. Areas. where. chemicals are stored:and used at the project should be stored in buildings or containers where there is limited potential for stormwater contact. These areas include producing pads that: typically consist of Wellheads, separator units, dehydration units, and. 3Q4-,barrel capacity aboveground tanks, The following items will be addressed in order to maintain a clean and orderly pad during the development, production,and abandonment phases of work: Inspect pad areas routinely;: -Correct deficiencies noted during inspections; Clean and maintain stoniiwatcr management structures and components; Routine trash collection and proper disposal;. Familiarize employees and contractors with spill clean-up equipment and storage locations; and Familiarize employees and contractors with good housekeeping procedures and pad pollution prevention procedures. 8.2.2 Material Storage The following good housekeeping:practices wilt be followed at the material storage areas: Storage containers will,be stored away from direct traffic to prevent accidents. They will:also have:_proper labels; 19 Dumpsters and:trash receptacles will be enclosed in order to prevent.the.dissemination of refuse; Storage areas:will be kept free of refuse; Chemical substances used: at pacts will be properly .labeled and will have proper spill containment; and Chemical substance containers will be clearly labeled:with an M:SDS kept on.file, 8.2:3: Waste Removal All:waste frosn:materials imported to the.construction site will be removed fordisposal/recycling to an appropriate licensed dispo:salirecycling facility; including :sanitary sewage facilities (typically portable). No wastes of imported materials will be buried, dumped; or purposely discharged to waters of the state. There are no other pollutant sources from areas other than construction_areas. '9:0 EMPLOYEE TRAINING. Kerr-McGee will inform and train employees who:are involved with .S'WMP_activities: Training will cover information and procedures contained in the_SWW.MP and will be conducted on an as needed basis. Personnel work responsibilities will be used to identify the appropriate attendees.. Safety and environmental elements of the SW'MP will also. be covered. A. Training Log (Appendix D) will be kept and updated on an annual basis. The following topics may be presented and discussed during:SWMP training: Introduction to CDPS Starinwater Permit; Stormwater regulations; Plipose ofstormwuteI' �leuniii: Requirements of stortnwater permit; Components of the S:W:MP; identification of potential pollutant sources;: l3MPs; Preventative maintenance; Good housekeeping; Inspections,and:maintenance; and :Record:keeping. 20 10. RECORD KEEPING The following:record keeping procedures:will.be implemented in order to:provide accurate and. complete documentation of events :associated with the. stormwater management: progr:ain. Roittine inspections will -include.-the 14-day,.monthly,:and post precipitation :event inspections. Stormwater.related:inspection::records,. site maps,and diagrams will be also kept-on-file or in the: :Kerr-McGee database: All stormwater related records will be filed.and stored.by. Kerr-McGee. fora ritiniinuna..of three years after each.individual site has..achieved.:final stabilization. 11..0: .SWMP REVIEW/CHANGES Kerr-McGee_ will amend the SWMP whenever there :is a significant change in design, construction; operation,: or maintenance, which has a significant effect_on the: potential for the discharge:of pollutants.to water Of the.state, or if the SWMP proves to be ineffective in achieving the general objectives of controlling. pollutants in stormwater discharges associated with pad. _activities. The SWMP is considered a":living document": 21 a■►� FIGURE r m I a o, O T a 4 T s { m ry z I s m I I i3. rs1/44.,..4—" ..awti ' I'-, t C _)f,. I' c r A RI `i -7i D r Bm^C ,. ;, L. m i z I A ro + . . _. n 'i x _,..._—_ i TABLES ,i TAHLE:1 CHEMICAL.PRODUCT LIST AREA.'2: WATTENBERG FIELD,COLORADO KERR-MCGEE.OIL &-GAS ONSHORE LIP MSDS Product Name Mannfaeturer's Product Use/Chemical Description Chemical Manufacturer .Product Number DRILLING HA I!) 1•R(flWCI-,, Akorner Il0RD Ilocculam .10399.. Drilling Fluid Picu.iiici 141.-1 Drilli Fluids Barite. 1.0617 Drilling Fluid Product M-I i?rillir . I Lid, E3entonite(Geij Drilling Fluid Product Black I!ills. -Caustic•Soda 10.540 Drilling Fluid Product WI Drilling Fluids cottonseed hulls .1.0154. Di-rlli:ng Fluid I.?rociucr \-i-I Drilling, Fluids: DFFO:AM-A :D.li,tner 10167 Drilling Fluid Product X1.1 t)rillint, Fluids D1'tici)( 1' I!limier Drilling Fluid Product \1-I Drilling Fluids DR l=1'-\",;. ' I r,tiu,l 1',>I ra..i. '1,12 ..ii !)tilting Fluid Product 1?t illing:5Fecialties DRl'l':V. Polymer: >,•,-,;;i Drilling Fluid Product Drilling speriitlr'c Lit mite 1)riliui I !Lid Product Black Hills Hine i ;(+ Drilling Fluid 1'r.„luci M-:I Drilling Fluids Socld Ash I t- I_)rillin_: Fluid Pr.,du t M-I Drilling:Fluids FUELS&:LL`f3RIICANTS Acet�L'ite ....� Fuel BOi.. Uase,, 'hair i)il O0)UU.3 I abric.tnt DeltaRIcy.._Mtn. 1)i sel FOCI . .. I >.ci . . Frontier Oil co, Drive chin Fluid 76A=l I:tthrttailzt C'hi:vrtn 8D-90W:Gear Oil 7234 Lubricant Chevron Grease 1,7.)0 Lubricant Chevron H.S'driaulic Oil: 109910 I.ubriitant Chevron klotorOil 6JibI Lubricant C.he'.ron Propane: 03$40 .Fuel BP:(A.010.0 . PAINTS fainiS-Industrial Fai<tnael Paint Paints Y{iii.,•, White Paint Pi! ra. . I F:i::_r Primer Tner c• l'.� I,i I 1 Paint'Ihinner TnerrccC'o 14lISCELLANEt)t':w .Antifreeze 102),8: Vai-ioir'.w.,c Texaco lviet:hanc)1: (`91106 i Vario i A it:�,cis,Inc: Rig..Wash Varit,ii, ,i y.._ .let-Lute. Inc. Start ing:Fluid SHI t) VarioH', iI Lawson Products___. Thrcad Dope( ..al:E3ranze L:I' 3:0.2.1i .. . Varioii. I i-.cs 1:3estolil'e Corp. .... . . . . . . . . . WD-40(Aerostats Viirlotis a .s WO-40Conipany WD-40(I.Illuid) ti,.'Ur,ins uses • W1)40Cnn I'3ny 'Carbon:In ectate Cleanup contaminated soil . .. _,----- (...L__ o TABLE 2: BM:RSIE LECTION CRITERIA AREA 2 WATTEN:BERG FIELD,:.COLORADO KERR-MCGEE OIL&.GAS ONSHORE.LP t 3, I COMPL.ET}t) f t\ ,i r:.ABiL ZATION • Pit chi es,Pluggtd .'bat-Wooed(P&A) Berns Berm Cattle(ruitrd Cattle t.,card tattle Gourd Check Danis Cheek Dams: Culvert„~. Culvert Protection 0th/eft Pruteciion. Diversion Duch'i)itih&Rtrt t f3itcti cQetm Ditch&Berm 3.evegetatton Erosion Control Blanket t rvsion.ControlBlanker Mulches,ttiidi.orWithoitt a tat;kiBei Laud:Guiding C.atxd Orading ilMttic hes..with.or without•a tadut'ier Matches,with'Or vithoata.taddlier - 1Zevegi,tation fe.ve.getation: •Sift Fence Roadside Ditches': . Vehiefe'rracking C'vntrrl Silt l cncc Straw Bales Straw Bate Wind:Erusfin.Contrctl Wattles Wattles- .. . ::.__fir::::::::-::::: it:,,._i:: ::':'::�'�::�':: Bern; --Berm Beret 4Attke.Guard: cattle Uuurd C attle:Guard: • f:heek Danis Check Darns .Culverts. Cgkrerk4: Culverts Cutvert.Proieataon. Cillitet Protection Culvert Protection. Ditch&Bernt Ditch&El3ernt D.itch&Berni (,raves Surfacing Erosion:Control Blanket I rcision.C`ontrolBlanket Revegetatian : Land:Gradate and Grading Mulches;wits.orteithotitatackitiet: Sill Fence ker.ege.tati is Straw Bale Sik:.Fence Vehicle'Tracking_Control Strat4 B:a1es Wind Erciiitin'Contr,il 14aac - IVitt, LIMP Best Menego nnt.Prnetice• .. .4IC ililli... 1 .•14 0: t.l.i . 4 ,',7_3. G • • • - y . . • ~ J. . .f �. . e x o .E Vii. N—.: w i G C. a • t . tai: 2 = JJ V� .0.4 J :f. -O J ( - y v O vc .a E 5. 2 -'c v m it.' c V �' of .y•":-' cr e. a of 7 E a w 'C L {y��i1 J • Or un ill- - 3 r Ze gi m E y ii ? : .t2 L ' rte«. - + ~" mil, {� '. 'rte.. �i v s a ,, y r: `- �7 C C -0 .y 5-.2 e y .j .�.''� .y Q. TABLE 4 SEED MIXES AND APPLICATION RATES AREA 2 WATTENBERG FIELD,.COLORADO KERR-MCGEE OIL.&.GAS ONSHORE LP SEED MIX \PPI.I(•+ FIO\ IZ:ITI' (1.4s/acre)- PRSI Dry Lila Aggressive Mix (=U`',„E Native (20%i 11, `1 E atlta». at.ive (20'),,1 Put,,__; Wheatgrass,I:uiaa i?{)°p} IEtteri diat� WheatyM55. (rasa: Ru h NISI Nati\e Prairie Mix 25%i l hi-tilatrt;i (10".;t 'I I'tal rra , e'ri"O{ir.cn Needlc :r, 15 Sidcodis tircinid .25% •Western : I Natil d Salidyta[id Mix \r atm (10%)LittlkBhiesteni (IO%):iudiarr Rice Grass I(}raj Si ieoat�; {;Farm IS lit'„) ti,Etid I . t�_r.E:• (10' , I'rair e Saild!eed (2(,,: 1`litil I'rernEurtt ft*. I'a5tUteMb##1 (75° € ranik:Lr.l<,_ Patid&,ck'Eleet 25 (25°}a.) I'tiM gabite'Paittte. 3�otes:: 1#is/acre=pounds per acre %=percent APPENDIX A STORNIWATER GENERAL PERMIT COR-03000 AND KERR-MCGEE OIL & GAS ONSHORE LP STORMWATER PERMIT COR-039798 �r� .STATE OF COI.DR/ DC: Bill Owens;Governor Dennis E. E1lis,.Executive Director :o "c p . Dedicated`to prdtecttng and improving-the-health and environment.of the people of Colorado tix;<' `;4"', .4300:Cherry.Creek Dr.S.. Laboratory S9rvices.Di ision * '. * Denver,Colorado 80248-:1530. 8100 Lowry Bivd. x.ya s* Phone.(3031892-2000 Denver,Cotoradal30230-8928. TOO Line(3D: 69.17700 .(303)692-3090 - ._-- located in Glendale,Colorado Ccilorddo:.�epactrnent of:C'tiblwHealth http//www..cdphe:state.co.us and Environment: 4/4/2006 Fred Clausen, Sr;Superiraterxdent.Drilting Kerr McGee.Rockylbfountaiti LLC 3939:Carson Avenue Evans,CO 30.620 970/.: 3'0-0614 RED Final Permit,,Colorado-Discharge Permit:System--Stormwater CertificationNo: CUR-039798,:Adams County Area2 Local:Contact: Keith.Kilcreasei:Area Supc;intend ent,970/330-0614 .. nticipated Actiity: -03/30/2006 through 12/3112008 On>5 ashes(>5 acre.disturbed). Deaf Si_r.or_Madani: Enclosed please find a:copy of the permit certification.that was.issued ta.you:under.the COtarado Water Qiality:Cotitrol Act.. Your certifkatiott tinier t e permit requires that specific actions ise performed at desig,nated times. You.are:legally obligated to.Comply with all.torms and cottditions::0f yyatix_e ifi:cation. Note.that the storitiwater permit ton•corstruetion rictivities uw covers construction sites.disturbing down:ta one acre(the previous threshold was.5 acres).. Effective July f,.2002,-arty-construction activity that disturbs at least l:acte:of land(or is part ora:.larger cornuto,rpian of development or sale that will disturb at least l acre)must apply forpeonit coverage, Please.read_the.pertmit.8nd:certification if you have:any questions please:visit our website:at ttttp/Wurtiv.edpbe;state,co,ttsf vq/permi'tainitl vgcdptftt:lltntl,..or contact Matt Czahor.at(303)592-3575. Sincerely; '"ate Kathryn IDola:n Stormwater Program Coordinator . Peuait i Unit- WATER QUALITY:CONTROL DIVISION Enclosure. xc:: Regional Council-of-Governments Adams County Health Department: District Engineer,Technical Services,WQCD PerinitFile: Fee File Permit No.COR-03(3000 Facility No. COR-03979$ PAGE 1 of 17 CERTIFICATION C PS GENERAL PERMIT STC: :M ATER DISCHARGES ASSOCIATED WITH CONSTRUCTION Construction Activity: Oil&.Gas Field Development. This permit specifically°authorizes: Kerr McGee Rocky Mountain LLC to discharge stormwater from the facility identified.as Area 2 which is located at: map in file Denver, Boulder,Broomfield,Co latitude 40.081,longitude 104.717 in:Maras County Boulder Creek to: South Platte River effective: 04/04/2006 Annual Fee: $270;00 (DO NOT PAY NOW. You will receive a prorated hill.) 4 APPENDIX B SITE-SPECIFIC INFORMATION Lease/Name Aristocrat 3941 API:123-28100 MN:3N RNG:_65W:SEC: 11 iiiimuor Land.Use;: Pasture_ AF E# 6 S20 Runoff Risk: Low tflS. CttOfl Date: 4/14109 Area of disturbance defined by BMP placement. Construction boundary approx. 10'outside of BMP placement. 34:50 RECEIVING WATERS: Milton Reservoir 2500'West 0. Site ties been Seeded Once Construction was Completed Pasture 7 Toaphic.Slope 13 I�11ti1111111111i1J111f1111u EIi1111111IIlllitl.11llitII 1i1+11111 ililit1 11111111111111111 1111JitI111 1111EI I IIl'II i 111I11111111111t111I11111J₹ttttt i !t l IP 11111111ttt11J{i1 I.1IECFI_III�iIII►I ltlll111111 11! 11 1.11111111111111 1111 lit 11111illJttlt1111i1fi11 1111111111JIJ11111tiitlllt! J► illlt lIIIIJIIIIIIIIt111fI1I �. IIlillillIilil 1 I11111I1Jt1111111iii 111111111111111F11 1{1111111 t) DIIt116111111111111111111EEt 250 lIDD1111t1i111tll11111Illllllll tttltlllJllllllJll lElI1I111E1E1i IIDIIIIIIIIIIII{IIIIIIIJIIIIII Iltilllt{t111111IIIIIIIIIIII1 1 1 1 ttIIIJI1111JIIJ11311I t 11t# 1 tt1i1l1J1I 113 1lililillJltiJiJI1t11I111I 111111{t�11111111111�JliiJ}J!t I II Il11ti1Jt3tilPiliti1 1t11t Ili 1111111i1ft11F11.11, I Illltil!1111E iItlllllllllll 1 11111 1 I IlI Ii1 1 11111111111I111t Thatched E S=°e,�J�:: 410 LEGEND Topogniplde Berm Dirt Read Mope Cud and Bsartvl Paved Road Fort-o-lo t NOT TO SCALE ='""""i Cut and FIR L1no. i�.nalvc�et t C�klta3a�tlJJa-at __ Lease/Name: Bachofe:r..25-21#21 API:123-08010 TWN:ZN RNG 66W SEC :25 1 A4i/l) Land Use: Pasture Runoff Risk: Med Inspection:Date: RECi iMMNG WATERS: Ditch 3118/09 750` North }r. Area Will be Returned to 4• Battery Usage Once .' : ' Construction iS:Comp!ete wcR is .....:..:..:. h r R 4.±,.-1.-4.,.4.4.--:' it if +r \ i 47 Pasture :,,,,T El 11111III Illliil IIIVIII I I III III I I VIII I i #��r IIIIIIIIIIIIEIIIIEIIIIIIIII I IIIIIIIIIIIIIll!IIEIIIIII IIi $ b.Wire Gat -`'`` iiililillillllllllllEIIIIIIIIIIIilElll111111. ,'`^- ` 1 I'IIIIIi'iIIIIE7ililili'Ei'11 -' i I Iilllilllil r IlfilElilitElllii it I tIIMliiy111I I IEIIil i i i i i i IIl lil Illilii illii€illliliiii i .l I liiiilll II€I III!IiiiiiiltlEi� �i III€1IIIIIIIMiII 1l 1 iiljI 1IILI,I,ELI,IEIIEI Lt�t,I�1�I li l =-_- - _-- l R --=Y'_=_ - I� Ic x - - = ==ffi rWr 'free Tha1.:ttad d:Seeds" LEGEND Pit" _ Pit --..,.:._- Straw Wattle .44444+44+. Silt Fence 410 Berm Era Hay Bale Topographic Stock P':12 Dirt Road Slope IIMIIRMIII Paved Road ASt -- I s'. Seperator NOT TO.SCALE I f I water Sump .fit;;:.: Lease/Name: Brown 32-35 API:123-27132 IWN:3N RNG:66W SEC. as. N Land Use: Pasture Runoff. :Risk: Low WCR 28 .................................................................. ........... ..... I Ma 1' „. a inspection Date: 4/15/09 Pasture C - 4517 straw ware 1/rlrM�//1,lfrrl,!r,/r 111.�v/,/Ir rr/,t WI Zr4/s,r,/,.,.r a!r*.a 1 11m1rsv,a/r./11l�r f.rrY/i/rrr!!ib/r./x1111:i;i*/!4 # 2I��},� [[]] _ M� �r1.,r1t,r111• .t1,'r11/'�I1i,f Li/l.11 1111f A0 6�7• { IIi1i/Yr/1.II�.1l/ •#r.�.�r1.F.�11.�1�1 ,r 1,1►ri.1/1!r r1r111.1r1r111..If / rrlr1't lrf�lrl.r.i1!1/1�1Yr/If1Yr..1i .. i 4:4:4!r a4 4.41:.:4./�.:r.I.1I1rf�1I1.r.1 : ••.....14.4.1.000.004%.000000•01C�rrM�4�14 _ Ttwctwd a Seeded 25O :.mom . rt el A '+ .or i Rte .. LEGEND CEEB pit Straw Wattle mil Trailer 4WD Dorn =El Hay Sala Stock Pile Dirt, Road } rac Tank imam Cut and Sam ® Paved Road Topographic. graphs:. •-w' — •Cut.and FII$Lb* iimiltnsiushow DM Pipe I.: D Culvert otaiinelmillog . Canal Slope, 'ti.! AST wigr,di Soperator Water Sump EN equlpmsnt. Caattla uexw Thatched and Storage Seeee el Wellh rad NOT TO SCALE cVis): Waft/Name: Brown 22.35 APt:123 26183 TINN::3N RN' 66W SEC: 35 Land Use: Pasture Inspection Data" AFE t4 344/01 2(10504q Runoff:Risk LowiNCR 28 Area of disturbance defined +-* by amp placement, 1 Construction boundary approx. 10 outside of BMP placement:: x 11 Pasty.,; .tire f xM : , .."..#.\ * , .' t 1 LEGEND Berm Straw Wait Ue ma f Ktiraier SIR l P ₹iy Baie an Frc i•nk Cut and Berra Dirt Rood T Funr phk (--...—___.._.s' C 4 ivea•t umme Paved Road Siopo - Slit Ponce :-_ Cattiocguard Water Sump Lam'__) 5apeaaxtar rtaatcta and 5d NOT TO ScALE 1 144 lease/Name:: Brown 33.35 API:133-27153 IWN;3N RNG;66W SEC: 35 1 ft V€ Land Use: pasture Runoff Risk: Low JOE* 2008123 inspection Date: .Area of disturbance defined 3/18/09 by MAP placement Construction:boundary approx. I0t outside:of:BMP RECEIVING WATERS: Road placement. Ditch 1000' Northwest Site has been Seeded Once Construction was Completed i Pasture i f 40f -I •4.1llall,!111!1 111 1 1 1 1 1 1!1 # 1 t 1 Ural a11e/111a#1111 e!a l v!I v l l l e l l t l!I //J# s I s s 1 e°t°till.°1°1!!°1°t°i°e°!°1°r°1°1°;1111/l#Ili:/IIIIlll1 i 1 1 2 2[ 1 2 1 :!,i t 7 1 1 1 t l 1 1 1 1 1 1 /f l :::::::::::::::::::::::#::::::::::::::::::::::;::::: I v 1 1 a f i i 1 t I J 1 1 R 1 1 1 1 f t I J i I l t!I l a l l l :° I l l t l l l t f i#1 t i I I R I I i 4!t l a l {e l l l l l f i#1 1 1 1 1 .:,:::::::::.:.:::::::::::.:::::::::::::::::::*::::?t F2 1 2 iS e 1 2 t 1 s e e 1 1 1 f e 1 2 e t�1 1 f t 1 1 8 1 x 1 t l l l l }I I I I I t t 1 1 1 1 1 t i elate tltrtitI lettlt: 11th:!# 12a / .. � °I°Ill°I°Ill°f 1°1°I°1 � °I°t°I`I°trlti t1- @ IIt1111111tJllllltlll,Itlk. E'\1{II221t11tJ11}.�1044p,i {t l l t l l t l f l l y�t l l i#i t f 1111 110/1rfly l} \/tlllt'!tt:41 tjiti/iJai F/°!° }`' .. �° l /ifllltl �. :::::::,:.:::::::*::::::::::::::::!,;;;;;::::0,.:::.:.::1111 IIt111sls1sas111�1sixo,..4„:,x,:,;l::ll°I1/°Ifll/11°11, t r t t i l t l i v t 1,4 l:i i//I I R I f R l l l halite E^7!:`etTrz.a;"t III ;_*#.#*#+'I'I'n-'11#'11} i WCR 26 LEG END alir e•r - ._ .. St.aw Wattle Tow:wapitis Ohmic Pile ¢ } Cattiegala(d Slope MF Del Read .. Cut and Berm ! `'i &operator NOT TO SCALE canAt k: i Culvert 4) -3, ((��{{��(( �` qa WiDt ei t3Yt't1 «+ Thatched �� V4ia14teatas$ w♦ ;'haft.heiq C AST 8 SEaeilxl I Airmiks• i.Lease_fNarne Brown 3535 API: 123-:27518 TWN;3N RNG:66W SEC: 35 341p10 Land Use: Pasture AEE Runoff Risk: Low Inspection Date: 201:8495: 3/18/09 Me:2s Area of disturbance defined : by BMPP.placement. R Construction boundary approx. 106 outside of BLIP 1E I placement rrr�. a cal 2007 NW. Of J +y L 4 25� RECEIVING WATERS: 'moo .• Rtr-rrtss►attrrsatra. s.rt r+►► eff itllr.►it# t+.t+ ti�r.a.�.a�+�i tYtrr��rli.a.►'.►a1Y►4►+srr.sa 'Can 11 Q Northwest sirt.rr YYtr Yr►errlrr►►►rrri ■.■rsr.r'.r... s .►r ►rsrir .a Speer .►.atarr►►rrs►b4•►h•t sr�.ti►rtst.r.�.rl.rrrsr�h+tal .N.Pt4+:. ,: r ►►#tet.a4►.�.r+d ..+ sr+r.+.'s+#s.s.r+r.rtrr.a.a -►. Y .aa►a Yyrr.�rt.ral.r+ ►++►is +ars.rYrY+� i.1♦rYYra.Y► t'Ya►rrl ►t/`rrr'ararfr.►:y.:.rrtrrs:r:itrl:�it+a i:44:�YY1rYr1 230! YYr+r�'�,r++a�'.'�r�r�trt+'.rra�,r riirrr,ay,r,+ary�rr+t Y, ah+.'Y't'h'4h+r't't'ttYsl'►'Y'�►��Y'1'a"i''i'.s:..4i s .4 Xi,: r.ttYrl YrirY+ry rs►.i aar.r ►�.1*rttttr.sllrYisaY► aYs ayrr.a. ..srt.rYYr►►at. Y..'a.►i ra►►■r/�.►►l 'r'ttf'r'1'tS't'►rrra�ai r'.�w rsY��►,, s.+.. .If►l.r►+.rtr►tiaaiY*r►►►t11 Area has been Seeded .+...++.a...tra►..a..III *I Of Y1�j��iLC �{ �y� -r .rrYi�r.rsYYrfriaYsrt.rry►►►a►w�.t►►�r#a�r��r+a� fop V 5 c e C s e�i{ c do E lla, ':r.r.'.r.•'as.r.r.+.saY.5',�•�. Irra►ra.Y..f.s.r► St e Complete GA ti N4. , T :$ : LEGEND Pit P" e-_..__ straw Wattle a Trailer Berra ED Nap Bale ...._._.i Frac Tank A SP Stock Fide Dirt Road " .et Gnat Bermgimillumis Paved Road Rig Cut and rlli tine mill pi , '-'''' xera.r- alit Fence Culvert Topographic Dry Ditch Slope AST Spray on `i Water Sump 3_.'-"`E= 'J Separator4�_,fM. ♦ .•._._-•- twsngr-�m....-.I Adhesive? g Port-o-let nimCattleg taiar'dt i cri-e-sei gm Equipment .v..-:: NOT TO:.SCALE Wellhead Thatched W Storage? _ -- --Flowilne a . LeasefNarne�: Buit tau.p.8,24&40-6 AP1 123-26879 iWN;.1N RNG:6$W:SEC:. :6: 0 1 inspection Dates: AFE# 144 Land that Wet:l nds crass. -3123/09 2010408 ♦ 01M . .Runoff Risk: High 2p p _t1 RECEIVING WATER$:Non- Jurisdictional Wetlands 10! Areal of.disturbance defined Southwest by BMP placement Construction boundary Area will be_Seeded Once approx..10`outside of BMP Corlstrcn:is Complete placement. MNY 52 225 Wetlands - .. 150` i et. : y ;:50' Wetlands- = Toptgraptik. Seed geas : LEGEND oAri 4 1-71 :t Straw Wmttie T.r�ai€arr O ti :. gip 8...,....„, pz5z1Hay Ba€e Lipped Area a i Stock Pik? Dirt Road Tilijr a _at and Dear Paved Road EA Rig I.SEP."- O —mot — - Flowline a Drift Pori -o-='s*+«+¢.. Slit Fence R.,: • Q..To rw hic ..„,1:_ (—..._fl atu:a t Dry D CIt i�o9 P .. .:..SAIOprA --...„ Water Sump SEP i $494,!71Or 'z.7x�- Spray on 0 AST ." 4 6rtr,aac.a � Adhesive err _ Cat'Ir.tiy�39& a'd :iii Port-o-let NAT TO SCALE Millirtj Storage e wei n.a d Cut and k.Nie Sr :+ Lease/Name.; Boithaup:9:&.10.16 .APi:: 123 26889 T1NN:1N RNG :68W.SEGr 6 i 0.• Ittepantian:MAWLand Use. Agriculture .2-.. 00075?- 443123109 2011750 2: 1 :Runoft.Risk:_ Medium HWY 52 Dry cloal s0' NW .0 4/ 40Cr Area of:tlisturbarle defined by BMP placement, CoritartietiOri boundary approx. 10' outside of BMP placement. l"? RECEIVING WATERS:.Dry = :.. .. _ Ditch 20' Northwest I;: : Site IS:Agricultnral, Pad WILl _ be Graded to Similar Pre- Diisturbance.Relief .%.. x tom..,^\ It$i Ilk LEGEND LI......... Pft "`--- Si -aw Wattle ® Tr....alter :. arZille Berns .�,' Hay Bale =s Frac'Tank � a, 7IM C.51.1:7`..., PiloStack Pi Dirt Road R� °" Cut and Bel Paired ad Road R+gi ->..'-','. ,. -frkniefine l illl pipe *.w4 44 Sii€:Fisnee ctrlt►Ytt Topographic:: �''� Dry Carta A. AST Mope �..-. pow........ Spray ors Water Sump ;-. K j Separator :NOT-TO SCALE Adhesive Mil getting card Frrssk lot .........::.:. ..: Equipment F� N:;•.. ,>: } "� Storage Wellhead Cut and IFi€i Line r :_ lease/Name: Cameniscit 21-15: APE:.123-25776 TWN:2N.MG:68W SEC 15 14, 114 Ifill tang Use: AGRic inspection Date: AFEA 9.95 -. 3123109 Runoff:Risk Low 4 g Area of disturbanee'defined Receiving Waters: Rural by BMP placement [3ftch 1:2:77' NW Construction boundary approx. 10'outside-°of 8MP placement. I i 00 rur�o x.a. F Lease Road is Used `"-' GD et_! As Our BMP On€he: q Ly 425C) : ins Wade of.Site r::;T _ v 4 IN : l fi U l CD . ltiR 20 112 LEGEND_ C Pat .:::.::..'''''?+ Sta•a w Wattle i Trailer -, P' t3€arrr€ lideZEIHay Baia c Fran!Tlei[ G . 5P Stoc•k Pite Dirt Road °Yi ii eimmea Rig Coat and Bermraved.Rosa IMAr F€trw€irte f-:: bdU 4«a«g'dba Siit Fence ' Topographic • I . . 1 Culvert , Day Ditch Slop • m,em,er -- Spray on }{ Water Stirn L s. `.-1 Separator &derEaf.'vez 3 • to ra ieg atd c• Port-o-iet • Equipment Fn ,at .NOT TO SCAL E 1 Si a s fro= wellhead t cut And Fill Lip Lease/Name: .Carrep.Federal 32-31 APE:223-24.848 WIN;3N.RNG:65W SEC: 31: A'AF . :;-'1V / Land Use: Pasture. l specton bates 2007 467 314/09: Runoff Risk: tow It X28 il :.. _ o f �. Area of disturbance defined. by SMP:placernent.. Construction boundary I .approx. did'outside of MAP - placement Pasture RECEIVING WATERS:-Road ditch 25Oo'Northeast W c: r. R. Topographic Slope D1.39 .Area h:1 '.been Seeded.0.flce Canstruction'was Complete tIrlt ';rl�ii{11�Irylr. tr{t1�. 1 1{i iwiVaet It itt'tr. tAllt{t Ptf+�ti�Att{t#r1�rAt}rd rl,I rltAi{t At Itt/!{.3111!1� !t +r 43#0{41{{# .. J I t i{+11 1 t hi`/ ! 3.!300 li 7 i. S�7 ' Ittrlrt/Pet��A 1�1i��f It rl AAAA I�� A ' /I f1ArAAIlA1 rr Arl ArA rllti 7•''ss 11111{lltllfirt ii,�l li4ttA/ . . c---4-._'..._ i t 11//711 111 i lil r /!P AAIf r 1111111l11tf'1 11�i 11117711 1111 A{.I 0111/li't til X1111/1 •l! .++: :*+*44:f: +. +:+:+: :>+:1,:+:+:+<'t.�x:,'-+ ,, JYt IP11tP11{AAt Y''IY''1£AYrrtA0,ill1t Y1B[YIt11t11,1,i111[I I I I t/l I/I I f l ill!:t r 1 t r7�� f 1 1[P l 1 t 1,�x�!'tr'{J{{_,1/t i t.17 f i l l i f 1 .1:! 1l/llt[lT flil ltl ll/IIt{11 420, III OI Jf 01 :1'1 111 J£IJI [1141 t{i.�+ I [f ltlt tlrtrll lil lltAlA�1i+ 1 1 1!i 1 F i 1 P f/F I i t t t 1 t !::::$7!:::".:41: 1 S I 1 7.tt i I I Y 1 1 t 1 1 f I t t f t F Y l l i 1 1/7/13 1 'iillI111111 tt Ilt llt1ltPitrltlk lriiikli 1/7Tltli�tti��1 tilt:i:.:.Pt trt t l t t lt/l t t l trt tr 11 P t.lt WAS .. f lIlClt Piltll t[lt it ltltt YtltitYlttl Pt li7;ft{tAl'rt#i#}' rtl113011tltt:IJll Pt IPll t t[tJ[t111rPJPP I I I[ItJitAA A!lAit' Y Pt1PYolt[Itt 11 P11tt Halt,I fttllril JRi flit Ptlltitit/Jt i r4 o t f a rlt 2:-_;-!-1-81P 1: _f..�f:x _.f.#t i Ili 330` LEGEND Pit ----`..:•:,:- St€7iw Wait€e MIN Traitor Berm EZ Hay Saki :::::) Fr ac ";:{i5Pi • SP Stock Pie Dirt �!!e! ! Pawed !tf �r Cut and Berm v:ct Redd •t, and [AI -r . . ••+2•+ro+w+r+• S!€4. F CI Y'.3cz Cut 3.'it F�.` Line 3"}r!Fz pipe Topographic. {.-----A culvert Dry Ditch Wipe k AST 1 __.- Bjiefalt0l' Wafter Stamp SWAY On Mme. I I i:. CD Port.o4 t x attle9tFard P:0-i:-ie, ® �gpipmrnt Storage I S — 'NM-TO-SCALE 4. Wel:head Thatched — '— Flowlirm ' ------3 T!13't1%e:1 tease/Name- C:entex:10,16,.24,40-25 AP'l:1 3- 4S T1NN 2N RNG:6SW.SAC.: 25: f! 1:and Use: Resitte ntial: Inspection_Date -3/23100- SAP itix t #874 Runoff Risk: High2O)7468 _A3ir.a. : industria!St.. t?-IIIIIIIIIIIIINArea Of disturbance defined by BMP placement. Construction.bour;lda rY RECEIVING-WATERS:-Road Chit&Parking Laf prox. 10'outside of BMP .Ditch 900'East placement. Site_wilt be_Graded to Near Pre-existing slope once "" Construction IS Completed,a, rt:;tt:;V !.. !!!.\a,a.\r.,...rli.t e•Nrr wr\r.a\r.a• ,N .l.t.l.t. .. Q '� ,►.a'r �iaaa...y\,.aA .♦l tt.ti : A.N.\,.,A ...r a.s.N A !!!t! a►„tract aItItIt.a.r...,` Z..".Itlt..!!t! r.iN a,a....0•t.t.. ..r,... r n ..♦.!tl.t ,.,.ar.., ,.,,,A,. , 4 A ,a.ZZ.a..a\wr,.rr w...'•N►. ` .. . .iltl�l�. !.. ,Z;a..\aaAa.ar i..... ♦..♦ !♦• •.♦*t t.+t4!!!t!!!t! ,rata. N.rv.aN', ►..... ♦..O a.r.,vw••.rtiavrA ,., .♦...♦ ♦.. .♦... ♦♦♦••!.!.'!4:lt.. .n.. rr;::ix.. ... ` Vi.♦.v ♦., ♦• '►k11.t1t.itlil._ ;....' .rain::::: .. 1' a t♦..l:!! i*"1!... .. • ♦+.. lt.at .:tit.♦♦ *,♦. Ti�pogralihicSkVe: :.: ..l:.t:a.♦♦♦ •.♦ r. •*A �c.tl44*►�i�! .. %.•t:l.t.♦♦♦ .� .♦� ! s1.*.:....a.i•V.••%• •... lac: ***A.i%.1.: .. Grass ttlt t'1i:.ttt.laleCl4ls . !..♦♦ •♦e...lt.stl.il�. .�tia.l.♦. ......V�l.lss :alt:.:l . ....•. ...♦ ?l •- :. .:t:ttlta♦♦. ...4..tr#i :.-ti l .. •t.. ., ♦♦.l:4:- .: t•.. .tit eitrt iT.tX -Tiii 4r. . :: »:.,,,,.:.:.:.:.:.:.:.:.:.:« rrrrr rrrrr-r...... Residentai homes. • • ,NCR 16. LEGEND P. Pith_.».- Straw Wattle Trailer �� germ iii Hay y Sale C a i r,r.C ier3i€ • ) �tstock PileEta Dirt Road `J�r reserelRz Cut a Berriewwwwls Paved Read — '-Cutanc4 Fill Line -.. �, Slit Fer€ce . Drill Pipe F" I Cuiv�rt €u agraph c Dry Ditch I ASTiq�e Spray e>r� water S�aefifi r......74::':::%_..i Seps,raterNOT TO SCALE. Adhesive Cattireguarri El Port-e-let Equipment riihead """'"1 storage itilll le aseiNaniC Co peer 29:&.31-1 15 • •API 123-25747 TWN..2N. RNG:68W SEC: 15: (Iii(). Land Use: Grass Runoff Risl tow cos_ il tetuegua,Quar y Quary. Quary 1. .r ResidericEE 27e" ro. ti7i7 r i-r—t'i-irilmit,r#Ih4lt►�-f_r f'r-:_f_m-r-f-ciii r:i4rri4f#l4a'rli}1Ei}t#rti4i:E1t-i:l4i:i�i$iEi.11sriBtli+i 4t4LE1LltLltftlllitflfrrtfltf Ilr/leeivltll//i//E/t 1 /4i rrlifrrf.lrr yi!imi • # it # Et4 -iE / tE'i1i taft_!_ia �: RECEIVINGWiTERS:Ditch art�trt�rlt eleirtirin/ri .. t . f gYPa Ib �R�i 343' 400'South of Pad rltlLrLittiti : 11 . ErtL11lrL IEIL f + ire . rE 1rtr1t it...- �t�I fir tr•Ei Lft}I•Llta`ir,�igffff,flf1 1 1-1! 1-. 3S' •i"irifi�ti.Errlf.'LEiEr4a OEt#t'14i�LEt�i•L1.1.1 Pi≤Iir11Lt ti f . . ■ f f f 11.t..L.L t.f.4.L.N.l.f.i.t.i.l.l4-E--4 i.: t :4irirff ' #.. .�.E.tI # t4t4# f4tEEE1 . (Et ,� L I I f i 1 i E f i c L/ a 1:t:L r! 1 i s i i 'Site waS.Se ed after- i f f f e f f r / a.E.t.1-14--1.L.L.L.a-L- . V. $ 1 i f f f . i f t ....1••••••••....rl ti l i•i . . I f i f t t . E. I t.... tr. .1..r.t.r.t.t r i r Cont'ructlon Was Com 5 .•l iirs�i•rrf'r10Yi�LE.ILaLili4ri/tiriri.ir/tr./.itiYi' _ S !+M@t�d. 44lull .rftlltittrt/iti4�rttiui1Li11LrrlLilltirriltltu l iyigolgoisiaL�1�rr14iliitriiiiiiLaisiai tt4!1�i�t r+Ek• i . i . tttll-1ELir11l1l2Lrittil1E t t tit 1-1-i.s t 41 1 1 L.1:.i.t t L . r t t.t.. -1 t t Area of disturbance defined: r...l.Li.1.1F-1.1..1 r.L.1-211-I.1•1.a.r./.a l•t.r•1./ k —0.i.!i•t-t•1•■.r.1 i-1-1 ■ r-i-[-J.i.*I.r.t..1..1..i.1..f:vi,.` by BMP placement. ." .nwa�.e.a$ssdw Construction•boundary 380 :approx. 1D'outside of BMP placement.. WCR LEGEND 1 elf Pk .:« ;:Pii ::: Strew Wattle ME Trailer I Sie141f Elgi Hey Bate r Frac Tank SP Stock Pilo Dirt Road fia®arrr Cat and norm; sigiNiNuit Ps:r- 8 Read f1 Liawr€irtr3 •-'-o- +.. Slit Fn:reCS . c" p 'Topographic � Culvert Dry Mph ti..__/ AST Slope 0 Wa �„�c. Spray onont..5u . SEP_ .Separator Adhesive '" — ED Port-o-let NOT-TO SCAL. Equipment Ppri,e, t Storage Wellhead •''''''"'•:...,," Cut and Fill line Lease/Name: De::di:ant-7 84.24-36 1232 97.13 IV/N:3N-RNG:651 SEC: 36 1441. 4111. : Mspection.Date: Land Use:: Agric 3/11/09 : FE :2012) 4 Runoff:Risk: :Low Rece+wing:Waters: Neres Canal 4900!W: :Area of disturbance defined by SKIP placement. Construction boundary approx: 1_t?`outslde ofBMP R placement._ 1.43rriS n_ cb =ri ' 200' rt+: }ice+ ♦A \ai 4.!. ... ..r:. . .Drli!W • TB LEGEND Ptt - Straw?ratit€a all Taller 13tss F X% Hay Salo L :1 Frame Tank Sig Stuck pile Dirt Road Rig WOW Caat and Berm Paved Road ea Rig ^— --- tins Cut and Fill t Drill Pipe. TB Tank Battery 1: . . : Cul;rf rg D#lilt P.4 Topographic Slope C) AST W'l Water Sunup ( sEF] Seporitor. Spray on Adhesive ve � Cat-tie guard i*_i Port-o-•Irvt i.._..__. Equipment A..... Storage 4, Wellhead NOT TO SCALE Lease/Name: De Chant 15-36_ ARt:123-29712 '''1NN..3N :R.NG.:65W SEC: 36. iiivik400 ..% inspection bite:: 01 E 3 land Use: Ag�i� 31:11109 Runoff Risk Low A.rea of diste�rban:G:e-MinedReceiving Waters; Naive by.BM(P placement.. Canal...97mi .W 'Construction.boundary approx. 10'outside of BMP placement. € R .3 O0 .giris: Ammarip ile 4441* Agnc Fill CO r 255' 0 r .§ : - . --'] . ............. 0 ' O --",*,..,.. ...4,--____. Alm W LEGEND Pit ,»^". :Str rw Wattle ME Trailer AD @36kkn'rt Hay Dale .C.23 Frac Tank SP Sttxcic Pile Dirt Road I � Cot and Berm MIMS Paved Road es Rig ryh Cart hand Fill Line s —, Dail Pipe TB Tank B attsry t...... ll___ To[9egr:AphIC _- Culvert Dry Ditch Slope ', rr) AST Water Sump Separator acA r:.t Spray oq AdheYsiveaa inq Cattleguard 13 Port-e-lei r Equipment Poive4ea Storage: Wellhead Ripped Area NOT TO SCALE Lease_ Name: Eve rist 9;�10j:24,-.2S.10 AFt;123-26763 iWN .2N RNG 68W SEC.: 10 C‘) .Land Use; Grass Felspecflon FJsNa►: .Runoff Risk: IS ti i �:- :: 4651 2 Area of disturbance defined _3 6- • . ..4..i. l ...-t. t . by BR placement °Construction boundary • approx.. fir outside of:010P placement. • GAS i i A • 5'. 1 Site-will be Seeded Once. Construction Activity is ' Completed Htr. A. Topographic Slope ,iA RECEIVING-WATERS:. Rural Ditch 400'Northwest 444L 1w . Quary Quart' Quary Gate: Residence * Quart' _T O tb WC R.20.2 Q 112. LEGEND }-il. Pit ::.:.:.a,.:wa.::::::::` :Straw wattle so Trader 41221* 6 0rrel 3121 Clay Bap. =i Franc Tank • C St.Cit Pi€€* Dirt Road Cut and Berra, MNINSISIS Paved Road EY Rip Drill Pips SNi.hence { 0 Calvert Topographic :Stops ASS' • F, M Spray on M Watar.Suesp i s- p 1 .50000‘0*- Adhesive Cato NOT.TO SCALE woR sguard 511 Port-fit :. Equipment a Wellhead Cut and FIN.Line Storage. Lease/Name: Everist15,23 and 39-10 API: 123-26797 TWN:2.N RNG:68W SEC 10 A Land Use: Grass Inspection Date:. Rdn0 Risk: N*4 3/23109 i Area of disturbance defined by SNP placement.. Construction boundary approx. 14' outside of BMR Quarry Work placement.. k Road Used as BMP i.x) 45th' Quarry Work_ RECEIVING WATERS: Rural. Ditch 450' West 0/ Site has been Seeded Once Construction Activity 8vas -...... CoMpieted .sly X25. N' it 1) r _Qua Quart' ry Quary Gate Renee. i Quary ,a z- to R x�da �S#tt*:�:sax+++�+..>,+.+..+.+.::.+.+.+_+_+_+.+_+.+.+.+.::..+++.+.::.+.+.+.+.+.+.+.::.+.+.+.:.u+.....:.............__....22�_.._...:a+.._........................................................................................................................................___................................_.......................:... MGR 201/2 • LEGEND Ca{a Pit Straw Wattle Trailer r�rr IIIIID Berm ED Hay Baia r:-::3 Frac Teak .. " Stack Pile Dirt Road lill._-- Cut and Berm sililimillillo Paved Read ej Fits — — - frlsawiiria f-~' ) Drill Pipe as'o-aary'sa-e.. Silt Fence 0 CulvertTopographic D7 Ditch AST Spray SlC) ape.. Water Sump Separator .. Spray.on Adhesive. Cattieouaed. 8 Port o-iet NOT TO SCALE E mome+t p^n-0-'st Storage 0 W.!ihi. . Gut and PSI Line j Lease/Name: Evens[16:& 37-10$424-1.5 .ApI4 123-26871 TWN:2N. RNG:68W SEC: 10 lt AFE.$Ps Laand.Use: Grass inspection Hating # 0 +47,9 if?. 6109 0 KunoifRisk: Med 2o0-047$ Crass �l 11 4.....-,+ -7 ‘ y., .::.:.:::.:::::::.::................................................:. .........:::.:.:::::::.:.:::.:.:.:::.:.:.:.:.:.:.:.:.:.:........:....:..:..:. . 1:= _. Grass Area of disturbance:defined: (..-------- - I. by:.BMP placement. Dew � :_ ConstructEon boundaryhtion P,pAd approx.W outside of BMA P placement- i 4 ila WCR 70 1/ LEGEND • LeitJ pos. -- .,.„ f:::: straw wv aitek, mil Trailer . ! &inn I.474O,—.4 ;lay a:>tirts E-ae Tank Stock pie Dirt Road Rig Cut and Berra Pave Road Rig riowiine c---=:-------- Drat Pipe •+*+•e.4.•4.. Slit IFaneo I: Topographic Culvert Dry Ditch Slope 0 AST E a ) Water Sump sgp I Separator a I Spray on Adhesive 3ttiaxnai: rd 4111 `czri.o.iIt iiiii EquipmentPetolea .NOT TO SCAB_ " Storage a WOO head _ Cut end Mt Line : Lease/Name: Farm: rs 2-14 API T:23-26793: WN::3W RNGc:SW sic: 14 • N Land: Pasture c� noff Risk: isk Low lrts # .Date: a 4 x � d(,Ft 34 R Area of disturbance defined RE El WATERS: Milton b BMPplacement, ..... ........ ..... Reservoir T0ti'Wee;* C��truetion bounds ry r x. 1 i' l�+fP a 4 OA$5 de.Of F3 PP T . pa v- . t �emen t. Site�viil be Seeded Once Construction. Completed .... .. ... - P .:...:.:... ............... ....... . ... .:. :::.. • . . .................... ... Gate .I.:::........ �I cd' x M A Pasture 3�3` t/..!l/1. •.1.1 1i 11111111{'+.1.1 \1I.•\If •1111 i 11.tf ltl tl.� •11 S •It t1.'11i!! Ir IS'Itt. 11+— 1! . i •I tt\+a • i.1 1 t i it♦t tt.I1 11 t .11 �Illlt { .11f .1t .LI+ Ilf�tfi�t .t 11 tll f11! 1' f t. •111 t{ 11 1.1 i'+'1' +1,111,11\ '! 1 , �111111a 11 11t11t Y(11111 ti 11 1 f .,rr . h,. ................................................................ 40 Li T hi re vxa8 ,23rd - PQ9 F � 3taae i._-) storage" tank .. .... ... .......... P lea k P11 — Dirt Road `" Cot and Fit)LFne gift Fenc.�a I�e�u6tsnnarbt i starrag° F neat tank NOT TO SCALE Lease/Name: Frico 25-: 1 APP 123-2.5840 TWN::3N RNG:65W SEC: .14 .Land Use:: Pasture inapectian Date:: AFE:#26- -1'4O1h 3117109 .001 Runof:Risk: High :111cR 34'A 10 § .,.,,:i:i:i:i.i-i:i:.i:i:N.i:i.i:i:i:, .§: '* iii 4.......................„,.....................4.......„ i...,.„,,,,-,- V. ..::....r. : sd. r 3 f 1 .--t-1 \ r' - t 85' 4. . .# -_ t-',' ...:... .:::.:::. 42 5' a f Pas ture disturbance Area of a# tialtce defined by SNIP zi±iiii-:zi.Ht:-1-..-::---y.K,ziK1::.51,141.,:lizIlizz.,-,-,::-,-:-.:,:,-,-,:,:::,-,::,-,>,-.,I,...., 4. placement. C. ction.boun d tY - i f P d o a rox: Q ael�st. e. ..Blil! Pf� ., - placement x A 'RECEIVING YV FRS• Milton I<t ery es tsir i:JOW est I. f• �Itili r slt� ae ssed�st o�c�e COnatittetieth#e COMpleted 1 to L�G do C�d�:2� or a (}4 .,. :::...:...:......:...::::...:.........:.:.:::.:.:::...:.:::.:.::::.......... LEGEND :......::::.:.:...:.:.:.:.:.:....:.:.:::.:::::::::::.:.::::..:::.:........:... Pit. • •••- Straw Wattte Mil Ira►rn r F +"N�► � • Bale Berm - a ( $to k less n : Bead iii≤ IMMUNE Pg.veil Road si Rig w tit and.s.rits -.--,. -Cut and Pm Line . .,. . ' Mill Pipe -.4"t°*I Silt Fence .( t Calvert , i Topogralalnec pry DlQulx Slope A A..t.. {0 Water Surrap ( SE.E' ._..... seperator ILEI Adhesive NMI eattieguara p,: P."4" . OT.TO SCALE lira Eg;ltpfrir}nt Lease/Name: frico:22&.24-14 API:.123=24651 "RAIN 3N RRNG::65W.5£C 14 N .Land Use; Pasture AFE0 Inspection Date; 20:406.4 Runoff Risks: l-sgh 4/1410.9 .2010761 1 P. Area of disturbance defter! Site_wiil be Seeded Once by BMP placement: P -Weft-34-1A. Construction is C Completedboundary- :::≥::::≥::≥::r:::≥ P construction appprox:.ID'outside-of BMP placement RECEIVING'WATERS. IllMQQton Reservoir 50!West a Gate ^. 21-14 it A wr' !:;i.i.7 ....:,.,....:::„.,::„::,„:„....:„„.,,,,,,.,:,, ik el. . .....,..,„,,,,,,,,,,,.„.„„,,,,,,,,,, I. T. wow: -_ ynD C mijiii r� +' 3 I t$z':i'+'+4"$':r_r,r_r,,'r.:r..>r+r.>+.>r+rr+rr+r.>:.>:.r.>::+. Pasture LEGEND Wattle - �--�-�ll #€t Straw �� o€ ..P "lill' B,,,..mMED Hay Sala '-1) Fray Tank <., Stock P€ie Dirt Road . . rwn,.''' Cut Bad Berra IMIIIMI Paved Road : Rig - Cut arzd Fill Uae .......""""" Silt franca E----] €:u� Water Surma Topographic itc3 Yf CAT.) AS' two tt€e.guard lo ' '} Se pe t NOT TO:SCALE Equlpf r-D Purt-®-€apt: Storage "" ` ••, 4'41t., Lease/Name: r"rico.4i-14 API:123-27366 MIN:3N RNQ:65W SEC: 14 (tiik) pn Land Lls lnapecti Date: e: Pasture 313on9 AFS it 2008671 Runoff Risk; Lew Area of disturbance defined by.SNIP`placement.. i MICR 34 t onstruction boundary + , ; . .:k approx. 10'outside of BMP :.4.;:.:: .,.** , placement. +T X - R RECEIVING WATERS: S Milton ya _ }:ski: Reaeriroit�.5Efti '='�r West li Site has been Seeded Once In .. .- Construction trtli apt was Completed et ed 4 1. ;et = 45 - - - Mme' T 7 K■II IN s.•.■••.:•:.F.•.F.t.•Y•s••f • • • a.. r• • rasa • . ■ s. ♦••• • a• ■ . :I •a ............... a :' Pasture 11111 4. LEGEND j3}t r` Pit —*-+ Straw Waft,. III Trailer Berm Hay Bale i�'� C Barak iL1i07 �. i7A SP lock Plle� DIr!Road ir;:g arid unnow R Cut I $.,; .e tid �C ET3 Wilhame Paved Road ++ +'. -Cut arid t�F =.-... ..._."".,, _..: - .w. III tine C._... .."___ IirtE3 Pipe ••s4�P»:.w-aa.. .. cuiwirtDry Ditch Slop*: oa C) wets• s•z. . r ...:.....:::. :........4......::........ ...:.:.::• e.peratQ .....:...:.:::..: �x Jtdheshri. H r+ Cites Thatched iuipment Thatched a NOT TO SCALE storage. L.ease/Name: frico.1 22 API:123-I25243� T1MN:.3N RNG:65W. SEC: 22 li 1‘ land:Use:. Pasture .� Inspectkin:Date: Runoff Risk: Nigh 4/14/09 2004064 s # :xx: ............ ... ............ ................ .........:.::.��::.:��:::�:::�:� ....o..war.::::� :.��.::.:+::��...+:.:...:...:.::..:...::..:...:.:.:.:.....::. :�:��.�::.:+.::::::..:::.+. .v.::.��:VL:".. ....+.:' "".t .:�� r"�:r {a . - �.gigifinignagRaininginaRea ....:.:.:.:::............. :a.�::a.:�:":�:a:.:a:":::a.::.::�:::".::':::a..:::.:::�:.:.:�::a:':::::��::::a::�a:�:�_�:a:�::+. ��Gx'it .....A4:t.At ..1....../ .:::...:.:...:.......::.....:.:.: ...::......: :...:......:...:...:.. ....:.:.....:.:.:.:.:....:::.....:..:..::.:::......:...:...:. i Area of disturbance defined by i3liAP placement. Consfruetion boundary ./ $� R lace:SF That Has SF appros..NY outside of HMP EP N. placement. Overlapping Damaged Spots , T pographiC Slope RECEIVING WATERS: Milton: Reservoir 1:0'North '= Site has been Seeded Once AGate Gdnstructlt hones CompletedW P Pasture: _ SEP } i A ' WCR 10 LEGEND Thatched --- Straw Wattle 'LP separator-ptot Berm Girt Road -+o+*-+.r4+►.. Slit P.nce. hell Pa ved aaad To ift ;,Z Stock mile1._; ed / iT MOO. wow �t Cot and Berth Gattle{It�artt NOT TO:SCARF O :Mater Sump .._._ .___ Cut and Fin .,a• Wellhead tra'sie>r T: 1... .•:. : Equipment storaige -" tease/Nam-el ri:co 2422 APE: .23.. 73 TWN:3N RNG°:65W:SEC: 22 O inspeaden Date: Fr' ,i e Land Use Pasture 3117109 0 Runoff Risk:. Low Area.of:disturbance defined: 324' ;: •by-BMP•piacament:. - � { `1 Construction boundary. +,y :•J i approx.ld'aufside of BMP. .• H •.syye 4.y,. •�,, placement,, •:+iy •V4i:ti ,J•••+iii, .•iN+t+i��,yy++ii..'�`+i�yJ. i;'e• ` f 1 f •$ f t f t :_ J��SyJ�.�.�yyr jy�r ,Jr�yy♦ ,r, ,.•;:+•�,J:•S:tt%, •+;;++,d++ RECEIVING WATERS: Milton + A• e.:,, ,,,J,,,• y14.,%: ' Reservoir3QQ`:Not#h 9iiyy �ytiiy+i4fei#j+•).yy �°;r<, ��'` • `+;- .. .... • . • I I •f. + y,��,,��•�J�y y,• • •�,#,�+ +• ` ;;�� .: Site hoe-been 3eedec!O.nee. •+ :: .. 1+ ,•.. . t. yJ.�y,••♦ yeilit••Vi,J• •, +• s 1 1 # Construction WAS.rOtet feted . . +••:•;%•++ i4•;'•V4.9 ,j2,•zzi$ ,*• .iit°. . . .itµ .‘‘ Tbpvgraph _Slope *:z:: Gate : i- IlLta -A -A LEGEND i.. it:l pn_ •• Straw Wattle gig Trailer • BermFESI Hay Bseie - r._...& pe•ac Tank: C1915.-") Stock. Pile Dirt Road kr Cut and Boren NOMMIREall moon Paved Road as Rig 'Cat arid Fni Line r---- wiltPip. ...�.,,.0,. slit F,,,, 1. • . G CulvertTopographic Dry C . Q Slope AST p.,E.,,,.w --, Spray 061H:. Water Surma I.._ EP....i :seen r itor Ls16s,zrtrt r Fort-•ew-fret catieguaeeil Equipment NOT TO SCALE Storage Thatched & 0 iirits* Lease/Narries' Graznak:32&:35 13 APE 123-29592 1WN:3N RNG:.66W SEC:: 11. Land:Use: Grass: - Runoff:Risk: Low. Inspection date- 4J15!O9: Grass Receiving Waters: Pond ., w ::::48�• ' y..:::: .:':__::.' . 8271.W ASE.# Fi ::. - s-_rX23:8:44 f 2023933 i-:. ii .1.: ; Using Road AS BAP - 7Q. '-iii. -n— \\,:, ...S.' .. \\''''''IMO 1 Fit —fit. I t * - -- , A. :Using Co as :.:Y".::: r Y lialikiD BMP *-f A H 0. h ra TI: i Gate i. :3mi N 3mi E--»'"" -•"" •' •WCR 34 LEGEND Pyt Trailer dorm Cut and Flit lime Topographic 5toe::k POo. laivp.t4tEg.- O6rt Road Slope AST Paved Road A Separator NOT TO SCALE (. Water*prop Equipment Sterhgca € 1 Cattieguerai C) POrft�o�it {Z .01111, Pon-odet Rio 4815.4414t47dCut and Beim ,,:.444,, lease/Name:: Graznak 36&37-11. API:12349586 'MN:3N RNG:66W.SEC: 1 . lieLand Use::: Pasture Runoff Risk: Low Inspection Date: 4115/09 TB 1 t 1 \ Receiving Waters:: Pond ''''\i\: .33mi SW \: 1 k 4Z f..:..:1 i r GRASS GUT t I fN TR i 3x5 IEt i / IMENININEt CC ii CR 34 7mi:E--,......,0.. LEGEND Pplie ............ Straw Wattle IIIIN Trailer llell BeiFxt EgE aaway ea.. c=1Frac Tana It3E> $tocii Pill:: Dirt Road ,e_ IIIPP, Cut and no:m mama Paved l7caad Rig Cat and Fill €inae ::-::::- :....:..:::: prgi Pipe Silt Fence i -- Culvert -Topographic F TB Tank iiiraittwty _` Slogs 0 AST rm.', Separator w H) Water Sump ► "s.' .. i Sps.asy on Aili aet,iatta :, -.--- '!'I Port-040t Equipment Storage au Cattie8rd. Port - t NOT TO SCALE i — .._ .— is is aBs+s,a Thatchod Thawed -Lease ame: ppr 2345 _APi: :12:3-27037 THIN::2N RNG:68w SEC:: 15 (II!)tLand Use: Grass/Agric InspectionDate: 3/23/09: Runoff:Rlsk :Low .Ares pf:disturbance_:defined by $MP placement. ReceEving Waters:: Construction boundary Farmer's:Ditch 440` E approx. 10' outside of BMP placement. .r` WCR 2a..: .57mtE -------►r .'11Md:S GraSS: .................................................:.:.:.:.: Til i i:i'i:i-illigilliNIFIr:':':- . ....:1.--- 0 K_:: iJI :: 7 p. r 4ID' '0 y. ' t .tE FR► i 111 Ag r c 12nel3itci; I0 4 alailliNIMiliga mps SEPI LEGEND FI 1Pit -, straw Wattle Inal Trailer 400 Berm CM Hay Bale E:1 Frac Tank SP....) Stock PHi Dirt Road r-X Rig Cut and EOM F � r3 Road J FlQWliws I Drill Pipe -aa'-re---a1 Slit FOVICa i : Culvert Topographic Cary Pitch lope ASST Water'Sump sEp-- Seperator t{t7mi,ra Spray on .. Adhesive; Cattlesuarti l'' Porto:Rit NOT TO C, I.. Equipment Po'o-'e1 Stara is " Wellhead Cut.eatl:Fill Lino Lease/Name Ludatig:134 API:.123.29152 7WN:3N -RNet. 6W SEC: 1. Land Use; Pasture: inspection)Date: FE## ,�IlliFir 411./1718 10:1 771 Runoff Risk: Low 41 -•_ Area of disturbance.defined A H by.BMP placement. •COflstruction boundary '°4 appsox..10'outside of BMP .. placement. it- 1 .RECEIVING WATERS:Road Ditch 500'North 435' Site Will.be Seeded_Once ..� fi i • t. t. a o- Construction is Completed . : 1 .`` Topographic Slope 1 F //;��j f ��y. f 385. CUT4 4r. II . weq 32. . m - - --- - - •lr. I.. l_ . . . . . LEGEND .................. PIl i'it ._w « Straw Urania Mil Trailer .111.- Bonn )�.►4 Hay Dale t=1 Fr ac Tank Stock Pilo Dirt Road R.# IOW Cut and Br,rra: Paved Road um Rig ——_. _Cut and.Flli Liao __.::::::::-:-,-:--: Dein pipe **4".'"444*- Silt (Fence __ CUL Ivart. Topographic Dry Ditch �(1\) AST Slope 8 Water Sump :_. �s•€,px;iatur Spray cm hie r.e Adhesive Ix# --- Equipment 1 • N.OT T S: A' E ---r-� �t�r�� -__ Ce:as /Name:. Milky Way 3;18&21-1 } API: 2326495 1W$ 2N RNG::8W EC: 10 1.afld USe:: Grass/Vltetiand. Ittspectlott t)ats.. N 3/23/09 Runoff Risk: High :. Area of disturbance defined HVVY 1:19 by B MP placement. Construction boundary approx. 10'outside of EIMP placement.. RECEIVINGWATERS: Site will be Seeded Once `Wetlands Southwest aid East Construction::Activity._Is Sides Completed irs c'-'- Topographic:Siape ti GRASS 4x5 Pa , « Pad 1 a5:' .Ctit Ct :-. # fa A,Pn- i* Fill 25` 65 A ------------------------------ -�•:..- �� :_a,1. . :......:.:::::::�� ... .....�.:+:�.:.. ::.:::':::::.::::1.::::':: .:.::.:...:........:.....:...................:...:..:. .:..$ LEGEND Pit straWWw matt!, IMII Tra*lkor Bonn CaiD Hay €#ale Tank CND Styr€`k PU*i Dirt Road 11.11.®■ Cent add Berry 00.00111111 Paved Road 9 Yt'49ithear u -`-''va•p:awa.. : e chn r a fI:" .Mater Sump Topographic C. D crrlver't • Panned Vehicle Slope A AST ' I Track Peti Serpor•atw Wetland Areas NOT TO SCA'..E-. u.: From-&-krt s Lease/Narne: _Moser6.&.22-28 API: 1.23-29514: MN:3N RNG:65W SEE. 28: *IP Lafd:Use : Agriculture 0 Runoff Risk: LOW: inspeectiart Date:: 3/17!09 . .. .-.:...:.....\....i:,.+..... It Receiving Waters: Mitton- Reeervpir 4000000.11.11 rni NE + s. FIN `+ *'`'j'T Cat +fir:: 14517.- 390 R. .4rnlN- il WC:R 2'g: g 1: .ta• a LEGEND .....__ --.- StrawiNatti• MI Traiiar 42316 B errrs Hay Sole Frac Tank P Stocl, Pile Dirt Road Pict • F�. Rig ma • mu Cot and Serenailmolool P awed Road A : Cut aargd Fill U#e:ee -- Drill pipe. -..44,44444- slit Forme • • • laalsrrt ".� Topographic • Dry Bitch � Slope. *.__. AST • ..r77,427:2:-1 ra cr°r'' H Water Sump i SEP Separator Spy Adhesive NOT.. ._0 SCALE Cattl®gu arri aka Rort-o-10* c Q-:...::�� "ef` .""ent F•!:•L.:::,?, :�.... 'Storage 3+x'.4 Wellhead Ripped Area .irrA400 it- Lease/IfFame.; Moser 14&35,2$ API:123-29439 TWN 3N RN.G::65W SEC.;. 28 Land Use: Agrtcuiture inspection Date: Runoff Risk: LOW: 3117109- Receiving.VNaters`. Bebe Seep Canal 1.l irrii W 235 EILL , _r r:::.. CU ,� ,. } 51O 11 . } , AGRIC = P _21mi N f WCR28 4itri E----Ow- 1.- It. txsEND eitiPit s::::;..:•....: Straw Wattle Min '„''railer fterr:: Cii►I Hay Bak: Fr&ac Tank Dirt RC Bid O-2) Stack Pile {T{TTTAA{c. Ri• i 11011.1] cut err, Berm IIIIIIIIMMIlt Paved k€s:arcs si g1 Cut and fill Line r _+ Drill Pipe -.1+0 +'+'' Silt Fend L-------::a Culvert _,,;_ . Topographic: Dry` Ditch �.., - so-: ,,.rr .i- SP" ifi� e�fti .��7� [WinSf'e�� L�::µ ., NOT TO SEAL Adhesive cattki Nafd Port a-lot: EclUi;ritrarort F-0ne:q t t - *" Storage wallowed :.:::::,..:::7:::::::!::.:. ei ,w Lease Marne: Nefson 16,37, &. 35-35 API.:-123-.. 2&578• IWN:2N.RNG;68W SEC: 35 kgE1/- land Use; Agriculture: Runoff Risk.: Medi:urn Inspection date:. .3/23/08 Receiving Waters::. Sullivan Ditch/Wetlands W`CR 1fi 20' S .8rai LLLLLLL4.... Area of disturbance definec. by.MP placement. Consstructian.bounda r appro* 1O outside of.BMP 40u :placement; r . ** 1 %t A A AFE#'s c E , ..��, �;r Cut NELSON 9435 NE-C1):200-68$0. NELSON.la-3-5 NR-CD 20.08R.54. NELSON 15-35 Na:CO 200656:.. NELSON t6-3 NB-CD 2.001457: - NELSON 37-35 NB-cp 26157 NELSON -'3e 20Q6577. LEGEND IRtLI pit:,,11� .w„ St r• Wattle on Trailer VW $elm Dirt Road !``_1I F=rac Tank <ED Stock Pile Paved Road Fo • j £ Culvert £iY«+'rt:'; .anal tap: .0.J C)R 7 Slate -SF. k3ip i'uj 5¢Dperator �o �,l. Poet-o.aft Iqu +.mutt: j Gut real FOE :NOT TO:SCALE Porto-rat moon*. Line Cease/Name; Nelson 1.1,:12, 13,14,73,-13.3-3$APt:123-29384 1WN:2N RNG 68W SEC: 35 Iiiiilk)•. : -r N Land Use; Agriruitiure - inpectrori.Date: 20.6851$_ Runoff Risk:. Low 20.06569 416189 6 : .0: 4 Receiving Waters:: Sullivan Canal -1-600'W WCR15 .. o W v O ki +++ .�_ 35mi V.` T' k. „r 485' r. (0 4 270' LEGEND 1 ?di Pit -- : Straw Wattle M Trailer Ago sem m Hay Bale [I Fra¢.: Tank lib:Mk:Pao Dirt Road trita.lr timeworn YyT�! Paved R.:!iad LB Rig .. .. Cat and flit Line `-------------° Milt Pip. -44-4-444444.44+- Slit FOINI CO Culvert ri. 4'bpographIc v;,,H;e Creek .. Si,p.e AST a,��,M,,:._:::{j_8pir`iiy on ( CO. Water Sump - 5 3operatt:r Adha a ,1. M �Cattle9uard i1 fort-.O4•* i. uipmm erat Pre M1 T�.SCALE t---:----.' Storagewsei�aad IIE. Clota d $eln r (iill'.. NI. lease/Narne : Oil.Poti.s rng Facility JO 77777777 TWN::3N RNG:65W SEC: 28 LandIUs:e Pasture AA' Runoff Risk:: LOW Gate. et lnspeetion Date; . 411:4/09 • Receiving Waters:. Milton Reservoir 1.50rrat NE:71 • • Aiii it :A'AV . . ., F. ' • {, o co WR.30 Ait.._ _. 0:,1 1. 0e 3 West. .LEGEND Sedlmerit �i1dM . __- Straw Wattle rTh n - a g Trap -441220,, Berm r - Dry Ditch C._..7 Fra€;Tank. P Stock Flie .Gravoi Road Tapograpl k i. 0: Cph►art ININININIM Paved Road Slaps, "' Equipment'....:.5.::�u'.: AST � ...;: Rip Rap Storage O --- \.r' Flare Suck SUMP �r=�=' !lsparator---,,„C Detention r try NOT TO:SCALE tees /Name Pioneer1,2;7,8,2:4-:U&31;:32- 2 Aft 123-2.72.74. -Tim*:24 Not 65w SEC 12 ear, land Use: ;4gricuit.ure: 2 7 448..27 Runoff Risk: Cow: 201.7217 2t1 2 Inspection date: 3/11/2009 2(16828 Area of disturbance defined to 2017279 by IMP &cement, ,:...Z i i --,-01728.0 Construction boundary ≥.: iii: approx.10f outside Of amp placement. Site wail be Graded to-Near Agric 4. Pre-Exiting Slo e:Cnce Construction is Completed Receiving waters: Beebe Seep Canal.1.53M1 SW ::. .. q. ,. .4Yes•NW i g :st, % -\_:: - ,.. .... . , „., l+. „.. Agric //- ,43rrti_N , ` .._ FA . . lk ,R WCR 22 .4*--,,,„,_„ 1:i4rli w A LEGEND Strew Wattle-- it ---.45•••:'. IIIII Trailer Sam U.,Z? , Hay Bale I Fran Task SP Steele: Piro Dart Road MO • loollineritil Paved iRoiaid BB 14: mow Cat and Berm — -Cat ted Fill Line Wilt Pipe -6444440116- set forum is Cuivlet Topographic Orry i lt+cl: Slop. O AST • • r---*„„,..v Spray on i H. } Water Sump I. `EP� Separator ..�.'....I • NOT TO SCALE Adhealve= • j -.. . Cattie*JJtrre 4! Pori-a-1et if;a:it3 r19 iFLril. Lease/Name: Pioneer 3,.-4,&22-12 Aft.:123-29633 -MN:2.34 RNG;:6SW SEC: :12 AFi # i r Land.Use . .Agriculture knspeatkon Date; a2.0.17 €r .3111109 26172B2 Runoff Risk: Low -241 .F2e iving Waters .Klug Lake 3/470.NE. 1. _. \\ i Dt) .„ ...„...1 • '-::..- 7,-,-.---11, ,. ,,,, :000 ,4 A \ :: ::: .1 10 ,...:,:•7:2 1itortn.N: -\ : ---...,.• ::,..;,.., .211 Ord E"----#w t I ,_, t I . 3ITOml N 1 '.4'.\ ktl., / 't--- '44. efir +r wcR 22: 'LEGEND `-------7f1Omi W : L Oft Pit • • '"»` *. Straw Wattle IIIIII Trailer Bern O Hay Bale r-'-i Frac Tank - C S1'.) Stock Pile Dirt Read Ali. IIIIRIBBOREMag PM Cart and Berm Paved Re ad wm: -"+' — Cut and FII UHI _- g;.t;"r Pipe o,,d«."}1. Silt saes pry ditch --_------,A opegrai�hic SIOpe AA .. • CaMnrt AST i 411) Water Sunup. E.:7-7-7-iii sepwrator NOT TO SCALE: L. ', ._.y, ,y en Adhetthel& MI dittiagtrtard 03`.1 PorNNrt litOri '_ �iaaEraant storage ® 4+ ca'siead ,,.:_ Wow/Name:. Pianeer.31_ it&_:2144 AP1::123-2. 2: TV3.N _2N RING:6i$W SEC: 14 01(41t.. . 4,„ land USC .Agri:tuiture Area of disturbance defined Runoff Risk tow by.B.PAP placement. Construction boundary Inspection-Date 3/11/2009 :apprdx. #0'outside af_BMP placement -VPII:2?- . 9...4:Miles. I Road.Ditehltio' ;: ti 6 RECEIVING ttATERS: Road Ditch 76a'North Site will beGraded to_Near Rte.Existin0 Slope:Once .1: r+," Construction is Completed 460': r f f' +� 'n .y t rip it F s� / 7r•_ J-.1- p 0.1Miles . N-171. > :Fill i _- i. Tapotyaphjq.Siope: T 3 + z4o' %. i".t .:.. , A / f f_ if ,.// / f 't k .; _: .._:......:_ .. ,_ N _... 4.10,.e._:.:... "_....•....,4_13.:7„:„. 45O ,A? St raw wank" LEGEND (Mid Pit ::'r`"....., MI. Traitor - 41110 Helm CCM Hay Salo =-...; Frac Tank -<ED Stoolt.Piki Dirt P'..ad Millalik -t+id Sea Berm Pawed Road Ee trig • ..... --- "Cut.tnd Flt Line a i1?Fi€ Pipe -1-"' Salt Fence : .• Culvert Topographic Slope 0 AST F{ 3�� f riyltur.sump ,_ :i j Seperator [... . Spray on Adhesive NOT TO SCALE Ctittitilptard tPost MilEquipment roi.-. et _ Storage .__ . iii eUMaad. . Lease/Naree:. Pianeer-5,7,.11,22,.241&25-12 API:.123-29624 TWN:2N RNG:65W SEC: 12 I. . fi'4): Inspection Date:: Land Use: Agriculture. 3111.109 :Runoff Wk.: Loan Receiving.Waters .Klug Lake 2278! NE "751' `� f Anc : :,::,-,,..„5„,,,,-,.......,,:,..„,,z. ,,,,,. Pit I ,„,, , :'4.. gii 1 -iiii ..... AGRIC A H Cattle Pen: 3iIi=to •WCR:22 -4----: , W O1: Vs LEGEND Pit <-......,. H Straw Wattle ags Trsfli r lel Berm EIZ Hay Earle © T Tank .etl F&s Dirt Road Ri RIPo< calt:liln:tiMioPaved Road d . i Rig --' -COt:lwedFillLini , 4_ DAM Pine 4•PBPPP•44•• Silt Fence f Gull!srE 'Topographic } Ditch Slope AST 6-•j Water Sump r Sr r1 ! Soperatar _ v:: 1 Spray on \s, Adhesive C ttlepuarrct fil. Port-o-let p NOT TO SCAR Sttaigifi a Wellhead Lease/Name:state 3,:4 5; 6,21,28,W,..14.32:-.1.6- API i23=.24396 TWN .1N RNG:68W SEC:_ .6 I 1,40,0, Land-use.. Agricalt;re Inspection Date: . Runoff Risk: Low 41 6/09 200981.3. -417 20098.1:2 CC: 20.09.809 2009. 11 WCR 10 20.16654: .2i...st-_ . i ..lOmn S '. &65 • : 6 ..; .f ;:r 29 I Natural Berm r:: ADR1G If) --- .// I ;i 1..1.1111011:111111.1 : f' Jas µ FILL EREERMENDiEgl ,. RECEIVING WATERS: .r ''' '': '.' ,_., 'Ditch-1700'N rthw G t7 / .i: TG / PogreP fl...it:.+Slope ,,".4; Site.:Wlll.be Graded to Near " __:_ ._.. _.._ — — . .. CUT. A:. Pre-existing slope once - Garastructlott isiCompleted _ • H A SEP ! Area of disturbance dined :I by BMP placement. F rj ConstruCtlon boundary a:pprox:.10`Outs€de of BMP placement. LEGEND 7 14 Pit Straw Wattle Trailer ri3it .41, Berm 1,14C4 Hay Sale C=1 F ac Tank • Srs ti: Stock pile girt Road R,. Rig r am MEN Cot.sand Berm:. Paved sect Road s■ ..' ' tint Fitt Ltnea °_.----------......----F Drip, pipes -"4441444" Sift Forme CulvertDry Ditch Topographic • C AST _ Slope • i� Mater Sump i ;ic_r- I Separator Spray on . ri, ----- Adhesivatlif:ge: tret '# rt-.€a-rantme NOT Ta SCALE 6Equiprrieeit :..... ..., INIIIP Storage 9 Wellhead • Ripped G4r\gr. Lease/Name: State 11,12, 13, 14, 16,22,25„..-33,35-_16 APt:123-24397 TIMN:1 N RNG:68W SEC: 16 Lind Use .Agriculture inspection Date; Runoff:Risk: Medium 4009 i+ R:1D 200981.0' I. 2016662: .. 0:1I ,... Area of disturbance defined 20-6643. by BMP placement. ' Construction:boundary 200724 approx., 10'outside of BMP IV 6632: IO.. p(acsm+mt. .. } ._ . .-:- I •+} . . . ??y '... : . ..... . . in o. 8R I`. 1A.. AA -- ,.... , . . M A A. t MIr is Slope :1 g: RECEIVING WATERS Dry. ).:Duch 20'Northwraat .. ..... ..�::, I `� sir.w. i t 1 t I Y S s 8 6 Site wiil be Graded to Near Pre-existing slope once Constructions is Completeri LEGEND I sl Pit .• Straw Wattle Trailer I�+; ai.ran LEIZ Hay Bahr :....J Frac: Tank S r Stock PH €Fret Road F =mom Paved Road En Rig 141"InN Ptak and Berm F -..- — -CAM and Fill :rie Drip pipe, -i'''1444,4-3.-: Silt # ent:a Topographic ! Culvert Dry Bitch Slope Water Stamp CEP Separate~- - spray en [_....._.J Adhealve attar a Poet-o-let Equlprnerat r•:.,,-.:,--:e• .>e• • • _.._..-- Storage raagte , Wellhead NOT TO.SCALE •:o0 Cease/Name:Tailgrass1, 2, 3,4,S,.�:7,&.848 API. 124-25$67 TWN::1N RNG:.68W SEC:8 AFE#: Inspection i)1.8.6. land Use: Agriculture. bite. ow 3!23109 :20.0.0.04 Runoff Risk: low ' 20.l:itl 4 :20008.86 2043:82; : 20.0.6AS7 201:8627 HWY:52 Sound Birder Area of disturbance defined 1.75m i S Protection-for by BMP placement._ :Construction-boundary -Residences: eSidence approx:10'outside of BMP .570' placement. is .4,:- ... Site isAgricultural, Pad will be Graded to Similar Pre _,f.. .. Disturbance Relief __ ,,,- ei46 _ . � 390' 345 Receiving Waters: _'. ' `::otton ood:_EXtension..Ditch 1-;-i 4{1{00'.S: } . :::.»:»::< ;,,_::: 676' i 1 Min l''''.1(\\,,,, _n, p Pie stltng#taunt With WCR'10,0 r Coal Mixed(r} 1. .. O .1. Gt. ,. ..... , 4'0fli: NE '....,+.. .. l'-' ' It t1 1 . I -I ' Ifi 1 LEGEND Mr 1 'Mt r:,-7,,,,15: ::','"R'''. Straw Wattle !♦ Trailer fir. mum 123T1312 Hay Stale r-- Fran_Tank ? Stock Pilo Dirt Road *., '°®°� Road Deitch. ONMENEW Plav,,d Road wI i~iIS -....44444.... Silt Feria, ___. -_._.- -sari reed Ftd Lino ----_---- C?rilF Pipe 1------2---3 Culvert Dry Ditch: NOT TO SCALE (1.-A) AST Tpp,Woo. Wratt', Sump . -......1 Flawiire Pipe l �. Ma attl_ POt't-o-ii! Railroad Tracks a Virottliond sts{ra{` Lease/Name; TB.Graznak 32`&35-11 API:000-29592 T N*3hi MG:66W SEC: 11 AFig 2o2ma N land Use: Pasture Runoff Risk:: Law Receiving Waters: Pond 827' W Inspection Date:: 3if8109 Pull Al.Straw Wattle From Site Natural Berm Wheel Berm iwrrw~me I SEP 1 H A F 150' a 4 200' • Al N .3r IE WCR34 LEGEND f list straw ',Utile Trailer rte... 4221, Berm y2.0 Nay Bole __ Topographic $1' Stock Pile Dirt Roast Slope C) AST I ₹a red Road ad SEP 1 Separator O %t �y �-y p at r Soren:: NOT TO SCALE Egwpmont Stoma* att t.� ! Tt Pcsrt*s l c gai Port-o-vi Auk- Lease/Nara_ TB Graznak.36:&::37-11 API:030=.29586 NM:3N RNG:66W:SEC: 11. AFE# 2021935 Will Land Use: Pasture Runoff.Risk: Medium Inspection Date: 31110:9 Receiving:Waters: Pond ,_33.rni SW Pasture co r � zi.'. 2� --J :_ r -10 --,++,\\ '4. .3.mi.1N I ' 01 1 I_ U di CR34 7 .Ems-. . LEGEND PR —,.. ; Straw Wattle MIN Trati r ` Pik Cla Beare FIX Say Sale C.._._i Frac Tixtk 2 P Stock Pita Dirt Rae:e. ® Cut and Bermieau Paved 'Road al Rig Cut and Fill Line _.-_................._.. ....y,,„�„�„qo-.,,,.. Silt Fence t�riii pipe Topographic �_C.-----71 Culvert Dry Ditch• Slope 0 AST aE f il Soporotor Water Sump i_ at..,.,6.4 Spray Oft Adhesive O 3 Eill Port-e-let i.. I Equipment Storage Cattieg arc NOT TO SCALE .......... F'aow$ine jaathe3 Lease/Marne.:: TB Ludwig:13-.1 :API:000,19152 MIN:3N RNG:66W SEC: 1 Inspection Date: AFE# 2013771 INF t.and.Use: Pasture 3/171119 RunoffRisk: Low Area of disturbance defined. by aMP placement. Construction._boundary approx. 10'.Outside of BIM placement. ►ARCM.38 . . . ..............................:........rsEP. . _ __ _ _ _ •fir _. _ [sr 00'0: PASTURE74 j }It Topographic Slope *10.40, �. . 4 {x LEGEND LEDPit: _ 'Straw Wattle Ern Tf'aiklF Olai We nn xTZ Hay Bale (=i Prgc Tank Stetk Pile Diet Road • !MI. Cut d BermYN#IIFullm Petted foam w.. "@s Cut;and FM Line ______________________• Drill pipe "*tisi :: Sift Fence i "tteve►rrt _,....: .: Topograit Dry Ditch Slope AST Water Sump P : s•peretor Spray onAdhesive ....._ . Cattiegeuard NOT TO SCALE Squiprner Menage :Lease/Name: `TB.Morntng:24&25=10 APit:OE)O.29804 TWN:3N RNG SEW SEC: .10 e N ' .' AFE 4 ) i Use: Agri°culture. Inepiectian Date. 2 8•Runoff Risk: LOW Receiving Waters;. Platte Valley Ditch 2907' W GR36 w': 1_51rS c .IX. :. It ..4kiE ,- �;..,..... Cam 00 I V io, ./k: A H EP 1 200' LEGEND 1 Piti :s .._- ..v Sifilw Wattiee MEI Trailer VW Berm u Hay Bales --_- Prac Tank Stock Pile. Ohl Road IRIMIU -Cut and BermP a ed Road rr Rig IIIIIImem............•...•.,.•.. stand FIJI Line .................... Dm pipe `.44+.4444- Silt Fence cea E . Culvert f.,. Topographic: b- '`. Slope ✓ AST ` `E.'5..., Sa pafrater (-.H..) -H Water Sump ...,� _spray C A Adhesive FP) Pert-a-let IIIflutprnf:'Et Storage gilcattleguard — Plowtlra€r .19 Wellhead g I Tkr:etc:hed . Ihatc'I8, NUT TO.SCALE --isiiik, Lease/Name TB Moser 6 8i 22-28 APi.::t -295i4 WN.3N RNG:65W SEC 28 Land Use: Agriculture Runoff Risk:: LOW Inspection Date: 4114/09 Receiving Waters: Milton Reservoir I.46niis NE: WCR 30 5mi:S. CO V- LC U A . : A. Fl : 240' 0 k 5mi W 0 : r /- . 2225' 1: (4 LEGEND • !it ---.w Straw Wattle mei Trailer MP Berra: Hay Baia ............) Frac Tank t...."r...f Stack Pli0 .r.: ,:: Dirt Road mom' Cut and BermIIIIIIIIIIIIII Paved Read eg Rig Cut and FM t.:int Drtki Pips ,,a<,"'°waex" Sin Fence I. Topographle Culvert Cry Ditch .AST Slope f- lykter Sump --... .._ r �{ ..cf_;.. I Seperator s�.r J Spray dart AdhimAv€ Fit IT:. C3ttldgaar€1 Port-o-iet loi f quipm Witt t-.. NOT 'O:SCALE. ", gi2 r'E# e;E vede,i,,,,,. Ripped Are Lease/Name: TB Mcsser9,24,14 40-21 API: 2.92%fWN 3N :RNG::65W SEC: 21 N Land Usc Agriculture inspoctitrn Date: AFElt 2019310 A' 3117109 :Runoff:Risk:: low Receiving Waters: Milton Reservoir 2321' N.E. I. At„ ,+:,+ . A ; : \ H sE . T ( SEP1 CR30 LEGEND Eli]r �'i( Straw 4-tiF: Trailer BermNay Bail Fr ac Tank Siepe SP rStock PileD€rt Road _______ T0p09fl1C •Pavd Boat NI Equipment rat \.J Water SSeparator urnn SEP Storage c Fart-o4 t. NOT TO SCALE .teaseiName; T8:Moser 23, 14,.33,&:35-28 APt:00O 29441 TWN:3N RNG:.65W SEC: 28 *IP Land USe.:: Grass RU:naff.-Risk: taw irspeot ott Dater work. r .ft 31:17/09 eoi.a,a94 I F Receiving:Waters: Dry. Road Ditch: 1.00:1 8. Grass: •: -. ..... .•. :.,.....s....:.:.:.:.,:. :4:: k: .. SP . :, :. e •_n,.........,,,,> Grass. . z. H A A • Ai : WCR 28 5•t ..--. r a:x: !: r t 75. LEGEND I �'it� .-....,.,,�. pit Straw Wattle MIS Troller AMID Berm ZE Hay Baia G7 prec Tank IIIED.: 5tock:PH* girt Read ig Cut and Sery Paved RoadRig _ s •44.46444. Slit Fence ' -.0... ..Cot and MDLine i ---•......_.. �r4ii nips I.. . . . 1 Culvert rx. Typographic >kr�e r°rf`C:iS - A Slope Ripped O Water Sump E SEP I Separator l ... spray 4M !,,,,,,:a, .r—mmit'sitttiog iid 4 k i�raet®-IK e p6 t NOT T# SCALE --' Storage ; Wed ad f Lease/Name: TB Nelson 9,.0, 3S_.A 37,..&34.3$ API;0©0-.26578 TWN:2N RNG:68W SEC: 35: .land Use:- 441Agriculture . .Runoff,Risk: High Inspection Date 410/49 Receiving Waters: Sullivan Ditch/Wetlands W.CR 1fi -- -.3mi W :8ini S. r } '* Area of.disturbance.define+ by:BMP placement Construction boundary 1. approx:10`outside of BMF ,4-_} placement: 1 f i LEGEND rPltl Pik :.:::+..k.,:r.:i___ Straw Wattip an Trailer Bern, :: .,iii,,: Dirty Road .p Frac Tank Stock PS, Iiisis• Paved Road i _......I Culvert- Cana Tographic i Slope C✓ AS? ti:_/ Water Sump ^ Seperator 'NOT-TO SCALD Ig i Port-04et .equip Storage Lease/Na n e° TB N e tson.11;,.12, 13, 14,:23 &33.35: Ain; 26S79 'MN;214 RNSt 68W SECS:-35 N Land Use: Agriculturet(iii . . Runoff Risk. Lori Inspection Date.. 4/6/09 Receiving Waters: Canal: 15500' V1l WCR16 ................................... ........................... :5rni$ .k + —,--•---• .3mi W +. r:_ ?ice I M. 4 „ 35nb W 1. fir, ::�:�::�.:. $:::s:_:y::. A A: . A r. 125' LEGENV ERPit: _,- ,_ straw Wikt,,e �i Trailer Bern 222D Haler ale ( Frac Tack • (ED Stock NI. Dirt: Road � ezt and BermINIMMIND Paved Reset Ditch • Cut and FM Lino k • Oreli pipe -4"Pblk,4 Silt Fence 1 r Culvert Topographic Creek Slope • `` Creek k AST r ® Water Sump -- - F - 5- f Separator •r 6ir€ha,sSues Cattloguard O) Port a-leat im Equipment sent Portw-prt NOT TO_$C AI • Storage eWtzt9head tease/Name;: Ta Pioneer 1,2, 7,.8; 24,31,32-12 API:tom'}-:29629 T WWN::2N RNC:65W SEC: 12 fib 0AVE*. ll land Use: Grass 201754a 207276 Runoff Risk: Cow. 17277 ,,, 201 T inspection pate 3/11/209_ 20:14$20 2017271: G PASTURE .Z01 TM Pastlxe. 0:6 Wille0 u= Area of disturbance defined gs by BMP placement.. Construction boundary AGRICI approx.20.0'(EIMXI SO'(NIS). SuWL WE tS RECEIVING WATERS: Box Eider Creek 2000'Southeast Site Will be Stabilized Using Road Base Material upon Completion of Construction Activities WCR 22 LEGEND MIPit : : : ..::.:.....:::.:.:. Ste cravat Wsattie MIMI Traliee Se rn 3 Hay Dale {='1 Frac Tank Cuillolong t.and Damn Paved Read dig — — -Cut tans FIN Line Drill Pipe w° ''."' Silt Fence : Topographic Topographic .,invert Dry Ditch 0 AST Slope Sprxky n } Water Sump '_ �e i Separator z:::„... J :................. Adhesive Ca#ttleguard ED port-e4et Equipment Port,o4s NOT TO SCALE '._,,,,J storage 60 Wellhead ..... Lease/Name: TB Pioneer 25,12 API:000-:29624 TWN:2N RING:ow—gC:: 12: �e 1 .-I 81 €1 tand_Use,. Agriculture Inspection bate: s 3111109 Runoff task: tour Receiving Waters: Klug: Lake 2278' NE 110 ,, op . ... 4, . .,,t. :. " . l� .250' irii:i 4 Til I......)I Cattle Coral ,k il 11'VCR 22 • 15iniW qd 1. LEGEND • Pit — Straw Watt* in Troller # 4121 Demi ism Haw sadEt C=11 Frac Tom: _ lelibi Stock Pile --!-. == DirtRoad a Cut and Bann Mg DIIIIIIMINDI hone a* --- -- - Cut and FM UM I gem Pipe +aa silt Fence ( _ Topographic f— Culvert Dm Ditch '_"' . _ la>gs (� Ash' Weter Surnp rgEn St.pa+rator Adhesive ..........__ Cattieguard .rig): Pert'Qlat uipor,ent P«t-0-in MIME Storage ED Wellhelgd NOTTO SCALE leaSeJName T-B.PiatteviIle 24, 3437 33,.&41:-13: AP1::OOO 3OO2O TWN:3N. RNG:66W SEC: '13 If Land.Use.: Grass Work Order0 880213.38 Runoff Risk:: Eowr inspection:date: 418109 Power Station. .Receiving Waters: $ E_. Spear Canal 1&Q.cr E o .t: t``, t .u> .As i4P • --d*.. . :-+1.+. %tipit,. NOt . ,.. . . --.. : ...'.. -+:4,4t.. W lilOrei .! Grass -- S Land.'Farr: :7181 N WCN32 'r ',--- lrei W g M s,.) m LEGEND .1 P i�It - -„- straw Watt. Trailer4.00 I{] Ili!7!t E may Baia. illi Frac Tank OZ> .PHs Curt Road R#. Cut:And Ism Paved Road s: ',— —. .Cut suld:FM Unit L------------ y Drill.Pipe -4444÷4444- Slit Fence 1: Topographic CSfiVeft- C>Ry match p1 Sio Slope AST Water Sump i SEP ; Seperator i :,..,,r—_1 Spray on • nn...,.,. Ff .Adhesive {W � Cattieguard Part-o-1 t. Equipment Put-4,-tit NOT TO SCALE l teiihead Aria stor�� no� t. :Lease/N:arne: Turner 21&2534. AF' : :1x033: TWN:3N RNG::66W SEC: :34 AF e# N ` Inspection Date: 1_ : :and Use: -Pao re: d 314/09 20.15393 Runoff i;isk: Low 1NcR 28: Area'of disturbance defined . by f3MP placement Res. Construction boundary approx. 10!outside-of BMP 1 placement Pasture . . . . . . . . ... . ... . . . . .. I _I-u I 1�tu 11 lit 111 1 1 ii 1 1#I II(IP F#�IM1�#,/iIuu �IF1�1'E,I'fiiI I�P,I,I�1 111.1�1t1 1 IPIP•PPuIII1I1111II11I,IIII P,4111I1IIIFlltflltlillllllt I , ��t 1# Itllllllll111►1kllk I4tlllltnntttrru � :: 1#�#T#'1�##i 11 E 1 f t f t/1 /l l l k I tr ui till tre reitriui 111111 iF 11 1 1 1 11 11 1 111 l t t l t rr�iit{aura uttilr u I#I I t t i►!/ i t l f t F l F 1 11#I I I I F 1 r t11f3 to in anti n iS t J.' I i t 4 I l f t I f I I I I I I E I I I lII! I ! 1 1 i irii triestleii1iti�rX1111 t1i o`t`ii�`i 11#IIEIII ItIIIIEtIlt l II i$ , , I{tf111I11t.a.t l/{1 I '`r `t`i�e�t iii ett'r r'1 F 1 1 1 { I tiiee2 lttl ti tittr �f I P I 19 E 1 1 I I f I l ! t l Strrr rilti tii.� X72 VII11,1111 Itni�e rw Ft 1 P I t t I lit E t 6 1 1 1 I f 1 1!1 1 1 1 runaurr4inin me 1 111 I t e 1 t 1 1 E S 1 11 1 1 1 !A ee�ttt >rr`tli irlt4 1 1 #1 6 1 t 11 1 1 1 1 I7 I l l f l l i l l t lilts etrr 11r it ii tisnuu 111 ure�r,t ##�11 1 1 1 1 E ! I S F 1 11 1 1 1 1 1 11 linefn iir u n 11111 I t 1 1 11 1 P 1 et' 1 1 1 1 !I l r l l ( tlrnerr u t 11FIlIIIAI!#It1 ''��IIIIIIEI Its t11 fuuut F' ii eeu ultu itt tllfllll /01111 IliEtll F u. t111enrHnrnt 1 1 1 else 4 e:e {1 l l t t t1 1 t 1 1 r I 1 1 F t P!k IyysE rt�ttit i �E{I{Illlo1}/1lilESl �FIIIIIkI IEI{11111 1 �1�ir`i1�t'eltri`lu IIABItIt1111P113. , 4tE11III ! k4ri/ii s`t'�al:4 111Ikt.11it#1111lIi1111tipf! 1 (Otis tt l IltlltAtlkll tlftf E# tl ltEtls i�rr�, 4tISi r.Et t2;: LEGEND Cuii►srt `-w . Straw Wattle. tie<woara- S t fenceilEM Bean. Dirt Road Topographic Stock Pilo Paved ROFIC1 SitePe H Water Sump : .,:_ Sca eI'XIt EY!` {//{^�j .. - _NOT TO SCALE i..J� C:atiryasr+d ui° Pt►tt=O4►[ �y Port-a-ro! Weilhega s : Thatched - :hatchac .. jr,.., #:ease/Name: Vonderlage 131&22-31&.39&.44-36 API:123-24583: TWN:3N RNG:66W SEC: 36 4 Abe# ii): Land-Use:- Pasture Inspection Date: tl ....4 318/09 :2t 133' �# .. Runoff Risk tow 2011000 f 00 t} 2008625 Area of disturbance defined by GMP placement. .Receiving_Waters: Construction boundary approx.10'outside of BMP Rid:ditch 9l4m SE N placement. cr Grass ... .: W .:26 112 .....:. eelli Iiel iO ttJil#elli#t1t1 itlit111tt#It X3- — I t1Jt11l Ialilltlls f� atia ti 111111E 1 i �.1t��4112f# III it 11/t1111I21 { ' l• 1lftttt # 1E1tt1! s .. t i l t 1 JF 1 f 1 ti t t:_: r,,, Iifliilti# IetlP�t lttiiiltllfitittl .. .. it.; ttIt14E1ttJIJ ""'. a ,. tti/�I 1l1Etltittlt , 1 ' • ', •, illtJtltle1111et#IJ, , t`lf �.� •39ff : ttJ#Iietlelrrl.tJllltJ111 ''i'o ra hic-$lo e tt1 t11 lit ilt'tltl. .D1t � 2"2 lJ-Ftltr�l lilt/tt�ttr ,� Po9 p P ll�tJ!littltleltl�itiei�t�lilit#tit�ttlie�lltr.p i t�J111111 eee I11i1EIi111iI1111EE1I112trlrtf tl ' iiil 0 lift II1111l1E11 - IJtllllti IIIIt/Ittltltllt$d , Ittlllili,j�rEltlrl # /t tltii ,` , rJ Flttlatil Ilriirtl�iltlJit{�i;�ii $c"� �)t I J t t l it t l(�r I r E r l l t e 3-i-1� 1E" f ''°''''''''1'?-1.r4 �.i7p s r`rii►Ii �,;�, 1 tlttttllrlTrlrllllii1it4i t lttrtittrlrrerlrrerrrlr111tt# s � �� It 1tltrritllllt11E11tI,w i I ;f:'.i,l..... . � III..,_, 1r A _ �, �,u,.t ten....,: ce _ Topphic Slope r- tF7r iiil.:.:.:.:...:........ : LEGEND ._.t.- Straw Wattle 17 7.-7,7-71 "Z:l.ii M123 Hay Dale #}Thalia kid — — T Pittivible Dirt Road naidled a Seeded . 'r': Cut and Berm golimu//I/ Paved is Dad Tt>fiv9tntpliie Cut and Pii#.Lirte i Culvert-v.,i��ar Case:# Separator b Port 4-11$ �. Water Sun p Donn Port:o4M NOT TO.SCALE ...-i44,.., s tease/Name: Wardell 11, 19&22-20 API:123-25888 TVIFN::3N MG:65w SEC: 29 tovi AF Ed sO: Land Use: Pasture. Runoff Risk: Low Inspection Crate 3/11/2O RECEIVING WATERS: Road Ditch 300' South. .--__- .,.• .'11Yttiit/ / Yai Il1i Y�I�Y . ° / /i f a l a i//!at�i J i Y/ /�/ t 1 !/ltttl#liiayalltit■yaysy■yJlaf■a■/stsis�llla. '.°: Site has i �t Once .y Y/:rrfis 1:::111#; iiilrrrrslrs '.'e Site:.has been,Seeded 27V' 00$:::::::::::::::$11:::::::::i::::::::* i/1l/ll/ #J#/+Ja�sYYYYiIYIifaYi a�I t/a ,f /f/tl ! i °f�a� �i/// I�fi111! ° 11 i/i i'i t/./ 1 1 �i+ ! + .�1■II Ia*�#ai •f .+a.a f Y Construes pn 1 `teye /a/t 1#/ I# tf#// / / Yi . /f . e°.:V]VflO.Y MYt1OFE AE%L! �tfe5° QJe Ify.1I II IJit1!Y!i11/I!II IIIII•IIIlle•°°°,°, `�,� ej 1##'! !a t! ■/. I.i it■ / / I I ° ! ! 1 1 Completed f 7�ii1/l /YY :1i 1i11111! !l a. •1.1.11111i•.Ft°t1.�.°!I!I#I/IIIIIIIYIIII•III /,1 ,t. 1 l/ / / a t l . ! .a i 1 i/ 1 f//t a t : #a##a. . . . . /Ia/l Yiy/ if/ . . °°. /Ji1 •.a . � . . . rtai/ /./fisal �.:a - .raa. . �a.�.�11llitltltltltitl'7�l�lol� .�.° _ o al0:2:Miles 4 4i} Topographic Slope Pasture �`�rea of disturbance defined. .. -�. by BMP placement :::≥r:::.; .. Construction boundary: approx. 10' outside:of BMP placement. 1: 1.2 Miles I � i *r ANIIIIIIIMMID. ,,,ammernmsamarismi 1t4R 29 LEGEND. j Pit .,_ Straw Wattle ® Trader 020 germ ErS3 Hay Sale :CD Frac Tank ( P ) Stock inie Dirt Road imettletee M Al i# Cut and Senn Par e€i Road Rig •••» ---- -Cut and Fib# Line - ---:-x Drill Pty It'as tS 14 slit pence t------1 Topographic Culvert Dry Ditch Slope AST Spray orr H Water 5urop ::051 51 Ssperator Adhesive Ceti le aaarsi (1r.7 coot Ell NOT To SCALE Equipeie nt FuR-o ( -,« Lease/Name: •Wardell 14,33; 35,23, 37=29: API:123-25836 7WN:•3N RNG:65W SEE: 29 rt. .,. AFE 0:t4 42 Inspection Emits: Land Use: Pasture 3111/09 :R.untiff Risk: low Area of disturbance defined by BMP placement. Construction boundary. approx. 10'outside.of BMP placement. Pasture REcEIVNG WATERS: Roo Ditch 300'Sauth Site has been:•Seeded Once: Construction Activities:were Completed `.,rJ0 r. •:.c ;:.;_:.:;.: •276' :.:t:0:�:.::: ,. SloPe iii x) WCR ;ahiegua;; ' — "_ Q.4 Mlles - .r LEGEND [PittPft •._.•_ Straw Wattle Mill trailer 42. Berm BEI ftay Bale =1 Frac Tank on etock Pt IS Allorffelet phi Rogees R i... — -Cut and FM E-t .ea r , €2r"it pW •44.6 Wl Stn Fe3r=.ete 1. f culvert -; Topograph=ic Dry E lice -1 Slope J Aar Spray on Adhesive er-t Ell eA7eegu arrd 1.!°J Port——let : Equipment toa age eWellhead NOT TO SCALE 1 L.ease/NamE. 'Wardell 21:&29-•20 AP.i;123- 85 ANN 3N: RNG:6SW SEC 20 1 IttspOCtion Date:: i* 20{}698'? N land lise: Pasture 3t9'i/n9 Runoff Risk: Low won:12: Air--. ---,06:7k4. Area Of disturbance defined Miles by BMP placement.. ++ Construction boundary 4 approx. $o'outside of BMP N: placement. Pasture Miles. ,a ..,-;4:::•:.: :-:.•%:-.-.-:-.,:, -,:.:..!z RECEIVING WATERS: Road /o-.7 t';‘.:TO.;:.-::::,.',.:-. Ditch 2600' North z ,i' t: t Site.has:been:Seeded 4nee z = ConstrustionActivities were Completed --:: Topographic Slope LEGEND IPits Pit Strew Wattle MIN Tra Tier ce 4611D Berm iziy Hay Bale I t Frac Tank Stec Nis. Dirt Read NIIMINIIIIII ilIBM Coat and B.CUM Paved Read FR pag ---• Cut and FIJI Liao ,. «.w.. Slit Fence C_ Cuiinlrt Topographic Dry Ditch C)..- AST H l f•�� Water Surrap LEE Separator CZ=$pray.ore �^—. `? - T Adhesive �,, NOT-TO SCALE IM iCllttiega�aard LI Pro i o-let rimBgiulprr“era; Patolea Store=_Naar ':. WeIIh*add _ .. Lease/Name: Wardell Z2&2529 API:123-258 V 7WN::3N: MG:65W 5EC: 29 fit) N Land Use:; Pasture. tFE 2004'llik Rur►off Risk. Low • lnspettion Date 212512009 ill :: .._:: tl.16 Miles: ....::...::::: d �_ ....."------..................„6„ i RECEIVING WATERS Road :156. Ditch 5200' Northeast Site has bean_Seeded Once t'r"t'�i'�'�"f'rf":1'i'�',1"f",'f"iri:olirt$:;,1*r"r�'r"ftfirif-ri.�IfiflSlfilffslffiflrilflf ftflff��irl.�t�t��L'iOti$ rEiGtlOi1A.ctiYites:81T$r ifflii ll/ lri:,il ;iirit.if��aa,�,�,�,,,,�� !..♦AA,,,,�� 'i'i�E�i�t'tii'ii'l11'1'1i'f'ill'1' ir.It+'i pasture- competed ri:JilII111/1 !1111111111 ter;i��i��f�l1111+l�fllfl�lfl�lff�t�i��f s�� ,A i -Lr�l , rhif.,14.,t4,.:,:,�frfify4:,i1':ti xii.,4 1' 0:7 Miles ,. .giieDs 111 �,, ii t,,,irtt.ttl t t�sri rirr�rtlr'iri�t+rrrarir+rt `. titii*i.oiysvi ii art f��ywiri�ri4':4, tiir'c+,90,a+t!� ii'�' ''ett��' t iili:Yti _trrrtl,4:4 : 000:11'rlitttit• • 1 1 1'44 Area:of disturbance defined 'rii',','i+ r'Y'�'r't'f i�at trr t�614.14.::::::::,10:10`0.:0rrr�� i � �t i�t��titrl t� by.l MP placement. wi ;� *;��M'��,�;tt: ��'i��;�:M; i;,;��i'i;,i'� Construction bounds_ i i r i i t'+'.r rr t t R r i+i i r i i 1 t'r r'f 'rlet+Fr +iti r,+ft04i+ii+kif+iti approx 'l{'outside al MP ,414itioli>;a*iiiii.1.... .4...ii...y........f...i. placement AI - i .lis il...2 WCR 28 LEGEND iimrt _ ?.: ::::::::: Straw Wattle Eli bra€ter maw aeravl D Hay Bale r="..3 Frac Tank . Stock Pitt :s fit fii Dirt Road Ri. Cut and .evmIIIIIIIIIIIIIIIIIIII Paved Road s: € . . — Cut and Fill Line c .. a 3011!€Pipe S>€t Fence: I. . 1a6vert Dry Ditch Topographic Slope 0 AST __, Water warn; •$prey on `� .(lf i atsar Adhesive �,�; o artt€agtlard Port- -let NOT .. -SCALE Eg1i€pment Stotabgar €l�s €€ flir Lease/Name: Wardeell 21,:27 and 41-29: API.:'123-25284. TWN::3N tNG:65W SEC: -29 Alio. Inspection..Date: i Land Use: Pasture 3/t 4%!18 .:F i? 39 Runoff Risk: low --`,-,__` `- -ice. 418 Wet s Av- 8 4__: H A iji .. I. i :—x . l S .j 1_2 Miles ' Area of disturbance defined H by BM.P'placement. . ___.-.a it li,ifr r !111,1 11,.11 I1t� Con h n boundary fIfretl, r,f rf tf,tits: C+t;lRStGtlEtltlfl iril I`i°f 11°rfl rfl r 1rf°Irfll/f°tl{rl �w f��/ r f°:.X.:,:, Irilfl:r:rl,:.:,''r°rrr°r t. approx..10' coUtside Qf ►MP to::::: a r ,°,f°rf°t°fr rr tlfltrirfrf 4 ff ,,,ff�r rt errr rrtf ff V. placement. d If�ritrtt °,°frilr,,,ir, � ,f,,,,,1, Itri ll rli rfrlf if trlf,rflrrlllrlrffi u,rrrrr rrf,f,f lr rlrrirrlrf,f 'r't`t`1`Irrf,°f`,°f`i f'i i If,`t'I ff'i r°f'f5'r', rr tltttlllll 111!1 11111[ `,'1r11lrf,f,f if 1;:::::1444,4 c ,f trt,tlerlr,rf Irerrrl ,rr,r , ,f,f tf f r r .. RECEIVING WATERS t,,,ff 111,:f;`fll:rlr,,`, r , 11,4,,,4, If,l , 4,444 : °rr r r r r f:f°r 4°r ,`1 ° rr r4,' Encapsulated Basin : ` 4 Site has been Seeded Once Cons r�i n Activities Tia were Completed z : aphis•SIope If LEGEND N. -._— Straw Wank. ME 1 funes ;arm ODE Play Hale i—1 Frac`rams SUM*Me Dirt Plnutl Rh Paved Road nu Rig r'��!!!! =. Cut send berm 'Cut and Flu U . tuarroates Drill pip. -,', rt:+- wilt Fence. Topc iraC pnic 1 Culvert Dry Ditch CD AST Slope S r sass (ill) :Wnt Sump j �L;> Sefp+ rotor -..a Y NOT TO SCALE Adhesives C �t` t Cattleguortt. 41 Port-o-less 1.._._:.._.l Equipment Storage G) Wellhead �/e -.ease/Name Wardei :29-.29 AP!::123-24021 1WN:-3N: RNG:65W:SEC 29 lil► 0 Ana D80; Pasture Inspection Date: 2126/09: Runoff Risk: Low y. O.'t6'Miles. 4 I , 'N''.,i ,„.,. # 1 'RECEIVINGWATERS Road: 4s,._ Ditch 2500'West 40ft 11 . a e••f•i i a, ■+.�*t!4* f.'#�a « .■_ + ♦ #_4 # !__. • r • . . . +..4.f..,:..�I ./ 1 4 f. f t ..■ . .■ ■ i..� Y .i4■. Site has been eededt?r�ce .:.....:.......:ix..:.:,:,,,:,:,:,..........• o ° . r • ri � � • rr • £1 . . ei � . i . it � a . e • . i . . i • . Construction 1 • rrIrrrr ,t*�rtlxities were 1 1 1 ! I r I 1 1 I . ■ e t . I ::::....:..........::::.......:\. 1 1 . ■ I . ° . . o . . e r . . . t • e r . • ■ Completed .,,,,:_:...........e:.:.::::....:....: °%'�'�'s'�'�?�;,;.;.;�;�;,; r: r ■ ■ I I I I I I I r r 1 ■ ■ ■ . r 1 . . I r r r � r . 1 1 . . I r . 1 . r • . 1.2 Miles . . . . . . « « . . . « 0 . . . « « . . r . . r «. IIt I.i••.il�ii ii.44iiR««�■if«!.#�+._jt«■f«�.t+•1.1.►.1.■•. Area of:disturbanc defined •` :'.:::4.' '. :44:+'4'.044!:6Ai.!�i:iveiv.r 0, .. :::*,04:4•:.:0;::::::,. ..:4,,,.$:.60: . « « affii0.«4l..«�/i«i.:«�ifii4�.i«�„:.fifr by BMP placement. ... .. . .....l. r 4#f.«i•i COnStrllction:boundary approx,:10'outsid of.SM e P Thatched 11.13elicled placement. A .v to ilrwcR 28 Pasture .,,nr • I . ... ... --- LEGEND .-y`. pie -• 5teerri#el:De Trailer Berm it y pate r:23 Irrac Tank P Stock Pilo Dirt Road :1MMiMlti Cu and Berrat Nlna># Pasrr is Road :at and Pill Lino Orin Pipe ..4-a«4-£.«w.... Silt Pence 1. ' Culvert Topographic Dry Ditch AST � :i3 op*: . WOW Sump tt 9v,oY c ,Spray on Adhesive EV Equtpirnent Storage CwttNrguarr t-o- NOT O SCALE : a�iii£3Y�a� __ Lease/Name_: Williams 7, 8,9, 10,.11, 16,.23,24,.25,39,20 AP1:1123.28044 TWN:2N RNG:68W SEC: 20 N Land Use:. Grass AFE.#'s. Runoff:Risk Medium ' IW L IAM 11-20 (DR k NB-CD 2014553, Inspection Date:_ W : t tA 1 0 j I R) NB-CO 20.14514 Rereivtng Waters: Boulder 4 Ip9. witi..umis X8-20 PR) NR-C1) 2.014664 Creek 140' W .°WA M 23_)0 ( t ) -CO 20 4345 WILLIAMS 24 O ,C 1.ND- D 20:14556 WILLIAMS.25-20 (1 1 ):NB CD 2014558 WILLIAMS 3!)-20 EDIM ND,O20145 0 WILLIAMS t 20:(1 11 )>NB .Ct?2014S1_6 WILLIAMS.8-20.( IF).NB',1..:P 2014550 T WILLIAMS9-20 ( rR) NB-CD 2014551: Trees s I FILL t}I I .ii:1111ii:1:1:1:111::::..., 514:r. ...:.c:."-- . - . ......................,........... 5 : r t 13O'S T Trees •e----$�W .- a.4 180.' .T�*' / -4 X i defined A f� s��rl"Sa d� �tec�Area:of rice by BMP placement.acement. Construction boundary approx. 10' f B P ppr oute.ld placement. LEGEND Pit fit Straw Wattle mg Trailer arm ago Hay Bator f=3 raw Tenth Stork Pile Dirt Road R:• Cut and Berg Paved Rond III IN "-"-- - Fhwftne D.y DI Qs;tr *' Si!IVNRealr I . i Calvert Topographic .Creek *ape 0 AST OWater Sump { SE J liftteralnr Adhesive o lill Ir'att(eguard +r11 Pmt-®-let • • ` g*``' r"�p€k Wellhead Cut and Flu.1...4000 NOT TO. SCALE: W illiP. lease/Nam: Williams 13, .4,.35;36-20 and-4&l&-29 API:123-28061 ?W#4:2N .RNG:68W SEC: 2Q lattt4 Use: Grass *ow) Runoff Rlsk: High Receiving Waters:. ns�ectiari pate: Boulder Creek 0 E a td 3/23/09 Reservoir 30"-W pJ:E #'s tact` Grass ‘ARLUAMSt8T2 (MR) b--C[ Z(04 f.i':. V i'li:L.s t1I 1.4 "'0 i 3!€i: .0-E1 _ C_ 8 7 :.: :........; z Pan .an�c e' ,Jir,-- �j , 9�}i 0 y. rt Fin - tR 495 a i Area f 'disturbance defined o.clisttirba.ce d . fed Gut. i . by BMP p[acenr>Ger+t. Construction boundary approx. 40'outside of BNIP :. 225' T :placement: ... ....:.............. ..... .. .... . . : :...: . .: . .... : . : .. . . . ...... ... .... ...:....:... .. . ... .....:...... .:..... .:::.:...:.. .... :::.. .......:..:: NE 41100 CR 18 712 . ............. ... .. ... ..:.:.:...:.:.:.:.:.....................:......::::.:.... 4-,------ W 3/10mi LEGEND e t. straw Ml.tti !...Pit Pr' "_" IIIIITtrsNilir Scrod .‘,7O,.. Hay Bale p. Frac Tank (.5-0- Steck Pile Dirt 'Road • Ca!and BermANIONSIM PavedOi w� Rio arid Ell(i ammi ilttup₹3[5 Areas -4444+9444- Slit Fans t • .. i Culvert Topographic: Creek Slope .Re'r' Sump .__`_.f: . Seperator. 'Reservoir NOT TO SCALE Cattittgitttsti ## Pttoti . I EgWpreen t Pod-e40 1. ff ... - mss. l • reg4b �i ₹tt�sr€i:s : 1r Et M�finLing. — APPENDIX C liMP MANUAL L _� Best V1 anagernent Practices (B: IPs) Berm: (B): Description A berm is a ridge of compacted soil located at:the top or base of a sloping disturbed area to contain or divert surface runoff. Berms may be constructed from either excavated.topsoiil.or subsoil. The purpose of a.berm is_to control°nano :velocity,divert onsite surface runoff to:a sediment trapping device, divert:clean water away from disturbed areas,and to.provide a safe slope barrier for vehicle traffic.. Applicability Berms are usually appropriate for drainage basins smaller than five acres, but with moditcations they can be capable of servicing areas as large as ten. acres. With regular maintenance; earthen. berms have a useful life span of :approximately 1.8 months: Berns are applicable for the. following:applications; • Along the outside shoulder of an: insloped road to ensure that runoff from the roadway drains inward and to protect the fill Slope from continual disturbance during road bfadiug: and Maintaining. Upslope:of cut or fill slopes to divert flogs away from disturbed areas. •: _Downslope of cut or fill,slopes to divert onsite runoff≤'to: a stabilized outlet or sediment trapping device, although diversions are more commonly used for this.application. • Along the outside shoulder of a road:to.provide vehicle safety. Limitations • Berms:my erode if not properly compacted and stabilized with.vegetation_.Bertns which: are:adjacent to concentrated flows will require erosion blanketing: • if a. berm crosses a. vehicle roadway or entrance, its effectiveness can be reduced.. Wherever possible, berms should be designed to avoid:crossing:vehicle:pathways. .i Design Criteria .D4 TI=DN ttF F1):0-1Q' -------------------------------------------------------------------------------------------------- ' Construction. Specifications l. Prior to benn construction, remove: all trees; brush, stumps and other objects in the path. of the berm and till: the base of the berm before laying the fill, .Fill may consist of topsoil.or subsoil:excavated during the construction:of nearby roads or well pads. .2.: For roadside berms,.construct'according to Figure 3. To remain effective, banns should be compacted with tracked eyuipinient,if possible. ihle. 4. All berms.shall:have positive drainage to a stabilized outlet so that runoff does not collect in ponds on the ups ope. side of the berm. but instead flows along the berm until in readies a stabilized outlet, Field location should he adjusted as needed, Stabilized outlet may be. a well- vegetated:area,.a:well pad_detention pond, or a sediment control such as ;i silt fence or sgdiineut trap where sedment can settle out of the runoff before being'.discharged to slit-face water_ S: Ifthe expected life span of the beau i; greater than: l_5 days, it is strongly recommended that the berm be stabilized with 1e`'etation or an erosion control blanket immediately after corastructiion. Stabilization is required *here concentrated flows are expected. 6. Berms should he constructed and fully stabilized prior to commencement of major upslape:land:disturbance. This Will maximize the.effectiveness of the:stritctttte as a storm water •control.device, Maintenance Considerations :2 The.frequency of inspections should: be in accordance with the Storm Water Management Plan (WIMP). Berms should be inspected for evidence of erosion or deterioration to ensure continued effectiveness:. Berms:should also:be Maintained at the_original height.Any decrease:in:height due to settling or erosion, which impacts:the:effectiveness:of the BIVIP,:Should be repaired iinm a Removal Berms should remain in place and :in good :condition: until all upslope disturbed areas are permanently stabilized. There is no need to formally remove: the :berm on :completion :o€ stabilization until interim or:fnal reclamation. References. Environmental. Protection Agency {EPA):,, .National Pollautant .Discharge Elimination System: (NPDES): Construction Site Storm:Water Runoff Control, Washington,_D.C., February, 2903. httpJfWWw.clecstate.ity_::usfwebsiitefdowitoolbox/escstandards New York State_ Department of Environmental Conservation, New York Guidelines,for Urban. Erosion and Sediment Control. New York. Fourth Edition,..I997. 1:7c'a.X C.S.'4t ea9 �i3'n Table B-1 Berm:Stabilization Treatment Channel Grade Type {l} A_(<5 Ac;). 13 (5-i0 Ac,) Hydro-seed and use Hydro-seed and use 1. {}'5-3.,(l°"o tackifier tackifier - Seed and cover with: °¢ H d:Hydro-seed and erosion:control tackifier blanket;or lined with. 2--inch stone: Sced and er with: • erosion control Line_with 4 to 8- 3 5.0-8.0 #a blanket or lined inch stone or rock �. with 2-inch stone. {`l Line with 4 to 8- 4 8.0-20.0%_ inch stone or rock Engineering Design (t) :(t) In highly erodible soils, as detined by the local approving agency, refer to the:next higher slope grade for type of stabilization. 3 (2) Site rock;_if-available.,shalt be:broken into the requited size. Check Darn (CD) . . . ... ...... ..... .. . ....... -titMItt Nicete x .. F f V t Description Cl pct,k dams are small., temporary dams constrticted'across a diversion: or road side ditch. Check darns can be :constructed.using gravel, rock,. sandbags, gravel bags, earth_with erosion control blanketing, straw bales, or synthetic materials to slow the`velocity of concentrated. flog in a channel and thus.reduce°erosion..As a.secondary function, check darns:can also be used to Catch sediment: from the channel itself or from the contributing drainage area as store waiter ruanl< flows through.or over"the structure. Applicability Cheek dams are most often used in: small, open channels with contributing.drainage area of less than 10 acres, and_ side slopes of 21:1 or less. check darns may be used. in the following applications:. •. In diversion or roadside ditches where it is not practical to title the channel or implement: other flow control and:sediment:control practices. In diversions or roadside ditches.where temporary seeding has been recently implemented but has not had_time to take root:and-fully develop'. • As.a series of check darns,_spaced at appropriate intervals, used in one.of thee..abOve two: applications: 4: • Rock:ditch:checks should be perpendicular.to.the'flowline:of the ditch.. ▪ Rock ditches Must:be_designed so.that water can flow_over them, not around:them. The ditch check should:extend.far enough so that_the ground level at the ends of the check_°is higher than the low point on the crest.:ofTe check_ The:following_table provides cheek spacing.:for a.given:ditch grade: Ditch Grade ( Muck Spacing check Spacing: (Percent) t feet) (meters) 5 59 6 49 15 7 43: 1.3 36 1 1. 9 1 33 1.0 10 3ti : 9 l.iinitation' Check dams should not be used.in live, continuously`flowing streams unless approved by an:appropriate.regulatory agency,. • cheek darns_may require frequent.removal of accumulated.sediments. Dams should therefore be located in areas accessible to maintenance vehicles. • Leaves:have been:shown to be a.sigriifieant`problem by clogging check dams in the fall, The1't:We, they might necessitate increased inspection and maintenance. • Straw hale cheek dams decompose over time,and may be consumed by. livestock.. 5 Design Criteria ►OOK a QAM -41 im tit"d.f.stanc.a st h Wit:Dotnis .:..::.-.2.•.a .!�.•..�.,;:t.._a.. A and 8.Grit of squat ItiOVeati6ri. SPR(.iAa H PNEEPt CHECtf Df:MS: •Pm:.'Baia•So3.IafdWateiCoasetcat r.Gon'.rnss:on S 5 6 SINALE ELEVATION 1 -1 It , ...-..474_....)...ii I:. ''' ... I.'... ::I .. ..,...---.,'•.:[7;.._: 'SWAL E:SP.ACINO 771171TT :c,--. -..-.-1) . • . .HOCK SOCK IN.SWALE_ 7 Construction Specifications • Install straw hale:check darns, rack Check:dams and.other check darns according to Figures and respectively:. Other-types of'check:dams shall have similar designs. • Check dams should be located in areas.accessible to:maintenance vehicles.for the. _periodic.removal of.aciurnulated sediments:. Darns should be installed with careful placement of the construction°material. Mere dumping:of the.dam.material into a channel is not appropriate and will reduce overall effectiveness: •• Check darns:can be constructed from:a:_:number of different.materials: Most commonly, they are made of:straw bales or rock: When using rock,_the mate ial:diameter should be 4 to $ i_ttches_de:pending on the expected velocity and quantity of runoff within the channel. Wattles or sand graVe.l bags May also be used,but only if straw bales or rock is unavailable or not.feasible: far the location. Earth collected during excavation of.diversions or.roadside ditches May also be placed'.as check damsif covered with erosion control blanketing, •. All check.dams should have a maximum height of three feet:with siiffi.cient space up slope from the:barrier to allow poriding, and to provide room for sediment:storage: The center of the:dain should be at least-six-inches lower than the edges: This design creates a Weir:efte t that_ helps.:to channel:flows away.from the banks and prevent further erosion. • Additional stability can be achieved by haplariti g the darn.material.approximately six inches:into the sides and bottom of the channel. !. In €girder to:be most effective,_dams used in a series should_be spaced:such that the-base of the upptreain dam is.at the same:elevation as the top of the next do nstream darn. • When installing more than one check dart in a channel, Outlet erosion:stabilization measures should be installed below the final dam in the series, Because this area is_likely tobe: vulnerable to further erosion. riprap. erosion control blanket lining,or some other stabilizatittit measure is highly recommended. Maintenance Considerations The frequency of inspections: should be in accordance with the.Storm Water \ianL4:.clnent Plan: ($WMP) During inspection, large debris;trash, and leaves should.be:rernoti ed. The center of a check dam..should always be lower than its edges, If erosion or heavy flows cause:the edges of a darn: to _fall to a_height equal_ to or below the. height of the center. and the effectiveness of the check darn is compromised, repairs should he made immediately. .Accumulated sediment should be removed.from the upstream: side of a check darn when the sediment has reached a height of the:dam (measured at:the center). Close attention should :be: paid to :the repair of damaged or 8 rotting straw bales, end runs and undercutting beneath bales, Replacement of bales slould.be accomplished promptly:. Removal Removal of cheek darns is optional. Cheek darns within roadside ditches are usually Used: as temporary:controls, where other check dams may be left in place to silt out If removing.4_check darn, all accumulated sediment should be removed;. Removal of a cheek dam should be. completed only after the contributing drainage area has been completely .stabili_zed. Permanent vegetation should replace areas front Which rock or other material has been•.removed, References Colorado Department of Transportation. (CDOT), Erosion Control and Storrn44ater Quality Guide.. 2002. t '. 4> k :: c Environmental .Protection Agency (EPA),. NaturrurI Pollutant ,Biseharge Elbuittrrtimr System (NPDES); co/oblivion Site Storm Writer Runoff Control: Washington,.D.C.,_February•200.3:: titp::,`:`(fp.ilal: .�.4 i:..MF:6`p1:'lt��C 4ti°4ttFi`t#€ :Ate vije -MO c011 kt > Xu Horizon Environmental. Services, Inc, Guidance Document Reasonable and Prudent Prrri:tices #of'Stab li anion::(R#Pl'S) of Oil and Gas Construction Sites. .April:.2004: North Dakota.D:epartMent of Health Division of Water Quality,4 Guide to Temporary Erosion, Control:Measures,jor Contractors,..Designers and Inspectors;June 2001 *0ther materials may be used instead of straw. J culvert:(C). Description Culverts are typically concrete, steel; aluminum, or:plastic.pipe used to move ditch water under the road.or to direct stream flow under the road or eonstrttction.Area. Applicability Culverts are ideal on road grates less than 1:5%_ l'or grades over 15%, it is difficult to slow down the water or remove it from road surface rapidly:. On such steep grades, it: is best to use frequently spaced relief culverts and drainage crossings eulverts, with: armored. ditches (see WRAP [RJ). Culverts:may be used in the following applications, • As drainage crossing.:culverts:iu streams:and gullies:to`allow normal drainage tc flow under the traveled way. • As ditch relief culverts:to periodically relieve the inside ditch line:flow by piping:water to the opposite side of the..oad where the flow can be dispersed away from the roadway. Culverts placed in natural.drainages ma:y be utilized for ditch Limitations • If undersized,culverts:are susceptible to:plugging and:require.cleaning. • Culverts will not filter sediment • Culverts are:easily crushed if not properly designed. Design Criteria Pipe size can be determined using general design criteria;_ such as iii ale: C-1., but is ideally based Upon site:specific hydrologic.analysis. Depth The depth of culvert burial must be sufli :ient to ensure protection of the culvert barrel for the design life:of the culvert. This requires anticipating the amount of material that may be lost to road use:and erosion. 10 Headwalls Use headwalls on culvert pipes as often as possible (see RETAINING WALL. ROY)), The advantages of headwalls include: preventing large pipes from floating out of the ground when they: plug} reducing the length of the e pipe capacity;.helping to funnel debris through the pipe; retaining the:backfiii material;and reducing the chances of culvert failure Wit is overtopped. Construction Specifications. Drainage .crossing culverts. • Make road crossings:of naturall drainages perpendicular to.the drainage to minimize pipe length and area ofdisturbance(Figure C-1i).. • Use:single large pipes versus multiple_smaller dilaineterpipes_to minimize plugging potential in most channels (unless roadway elevation:is In very broad channels, multiple pipes are desirable to maintain the natural flow spread across the channel. All culverts should_be concrete corrugated metal pipe made of steel ar.aluminum; or properly bedded and back:filled corrugated plastic pipe. Align:culverts:in the bottom and middle of the natural:channel flow line so that installation causes no change in the stream.:alignment or stream bottom elevation. Culverts should not cause damming or pooling or increase stream velocities significantly. • Extend the outlet of the culvert:at:leastone foot beyond the toe Of the slope to p l \c o t erosion of the fill material. Alternatively,use retaining walls (headwalls) to:hold back the till slope. •. It may be necessary to install rip-rap,erosion control blanketing, a combination of both,. or other energy dissipater device at the outlet:end:of the culvert to reduce soil erosion:or to trap sediment(see CULVERT PROTECTION [CP)). • It may be desirable to con.Trucct pt lloflf'stturnouts for vehicle on one or both sides of narrow culvert crossings. This will he Ip avoid.culvertt crushing as well as disturbance to roadside ditches and berms. Ditch relief culverts • See figure_C C-2 for installation details. 11 • Ditch relief c diverts can:provide better flow when skewed 0 to 30:°degrees perpendicular to the road_. • The culvert:gradient:_should he at least 2% greater than the approoaeh diteh gradient: This improves the flow hydraulics and reduces siltation and debris from plugging the cctivert:lnl4t. • Discharge culvert at natural ground level where possible( see figure C 3,type A); on firm,non-erosive:soil or in rocky or bushy areas. If:discharge on the till Slopes, armor outlets with riprap or logging:stash (see figure:C-3,type B), or use down-dram structures (see figure C- 3, type C.and SLOPE DRAIN [SDI); • Extend the inlet_of the culvert at Ieastone foot beyond the.tf owline of the-roadside ditch, Extend the outlet of the culvert at:least one foot beyond the toe slopes to prevent:erosion:of the fill material. • It:May be:_ecessaryr to:install..riprap oe other energy dissipater devices at the_outlet end of the culvert to prevent soil erosion or to trap sediment.(see CULVERT PROTECTION {CP:)). • Spacing:of eulverts is dependent on the road:gradient; soil types, and runoff characteristics according to the following table: 1 Road Grade Soil Type'. 2_4(!;) 1-4a). 2-44):`,) I iighly corrosive or sandy l.0' 140' Jntermediate�rosi v,.: clay or load 310' 26ir 200' Low erosive shale 400' }2 250' or gravel • I t maybe desirable to construct pulloffeturriouts:far vehicle on,one:or both.sides:of: narrow culvert.crossings.This:will help avoid culvert crushing as well as disturbance to roadside ditches and berms, 12 Backfill and Compaction See figure C-4. • Firmly compact well-graded fill material (soil or road.base:)around culverts, particularly around the bottom half, using placement in layers to:achieve a uniform density Use slightly plastic:Sandy gravel with fines. Avoid the use of#ine:sand and silt rich:soils for bedding material because of their susceptibility to.piping. Pay particular attention to culvert bedding and compaction around the haunches-of the pipe, Igo not allow the compaction to move or raise the pipe. In:large fills, allow for settlement. +: Cover the top of the metal and.plastic evlverts.pipes with fill to a depth of at'least 1 foot to prevent crushing by heavy trucks. Use a minimum cover of 2 feet of fill over concretepipe, for maximum.allowable:fill..height, follow manufacturer's recommendations:.. • Mound fill over the tip of culvert pipes so_that the road is slightly raised at culvert locations to help prevent erosion and water frorn.ponding overall-vat crossings..This practice, as. well as placing large boulders around the culvert outlets; will also.help to prevent culverts from crashing. Maintenance:Considerations The .freo envy of inspections :should be in .accordance:with the: Storm Water. Management:Plan (SWMP)...If::any,damage to culvert or inlet/outlet protection is noted or if there is any evidence of scour, repairs should be made. immediately. Any debris that may be blocking the culvert inlet or outlet:should be removed. References. Horizons Envitonniental Services, Inc, Guidance Document.Reasonable and Prudent practices for Stabilization (RAPPS).of Oil and Gas Construction Sites. April 2004.. Keller, Gordon and 'Jams Sherar,Low-!olume Roads:.Engineering, Best Management Practice Field Guide. United Stales Department of Agriculture (USDA), Forest Service, US Agency od International Development:(USAtD) 2005. United States DepartMei t of the lnter€or and United States Department of Agriculture. S€,lice Operating Standards- and Guidelines.for Oil and Gas Exploration and Development "Gold Book:":. BLM,-WOIST-06'021+3471: Bureau: of Land Management (BLM). Denver, Colorado. Fourth Edition,20.06. 13 Size of Drainage Structure (diameter and area) Drainage Area (acres) Steep Slopes (Light Vegetation) Gentle Slopes (11ea‘y'Vegetation) C-0.7 C:. 0.2 Round Pipe (In) Area (sq.ft) Round Pipe(1n) Area (sq.11) 0-10 30" 4.9 18" 1.8 10-20 42" 9.6 24" 3.1 20-35 48" 12.6 30" 4.9 35-75 7?" 28.3 42" 9.6 ^_ t 5.125 84" 38.5 48" 12.6 125.200 96" 50.3 60" 19.6 'F Due to site specific conditions this table may not be used. 14 •rai•-ac e ,.,r °:.$ n'iCu i ert Aligr.me t: Overflow Dip rt' ;�. ..':,:. r y K. . - . Mitch Relief Culvert Installation • . • .. ,,,,,...4.....t.- • _ w .443 ..._"_ _. .. (.., . :. „„,,„:,,,..,,,„.., 2 -:.,:',;. .'''',:, ;.:.7::•!:.:•-:.:•-i,•:: .--.. .•-; --:---J .,„..• t.:.•;;:-,:•..- - - . •• .,..,.. .'�.M .. 4 ...,. .1,... .:. . . _._., ......' _ FF rzknr ... •_;. 4 �:.- G• .. '.:• • • 1:i%C:v'.1,e4.La%:,1,!"a.'#.A4,7uC2 . SDI IL'it;.4i, 1.5: Culverrt1ntstatl tioi Options TYPE. A T YFa.E t3 1;;r:::1•:rertx:tirk • ... ...... _1. :..:......:.is . �.4*-W.,07t:': .. C41CY7 rFL'A'IOt :.P,.t _. •. — t`APE C . r•tr ;F{}�y 4 . .Jm41!.'i�Fxg 1,..:01 3........7.-'-',.49-i..:t: • — • ..ti; •' ^kt.}LL .. .. ... ... Culvert:Backfill and.CorrtpactIon . . . .. ... . . . .. . i0 ... x u�dr. -.. ..W- r .I. , ..i ..ism l,....ra--'.wlmrf 4rra»,rr. - 4Gt.2:R4,-,4•,-C,4:-‘ : _•4 1 1 1.6: Culvert Protection (CP) s.. 8 p` } Description Culvert protection. may-be required at: the inlet of the culvert(upstream side):and/or the. outlet side of the culvert-(downstream:side). Culvert inlet protection could involve placing boulders,.riprap, :gabions, rock retaining walls,. Slash, and/or atiy:other protection at the inlet pipes: Riprap, or other energy-dissipating devices,. will reduce :the velocity of storm water flows and thereby prevent erosion and help:protect the. inlet..structure. Culvert .outlet protection:involves placing :structurally lined aprons: or other appropriate:energy- dissipating :devices,: such as large boulders or plunge pools, at the outlets of the pipes-to reduce: the velocity of storm water flows arid thereby prevent scouring:at storin water outlets,protect the. outlet structure,and minimize:potential for erosion downstream,. Applicability Riprap inlet protection should be used where-velocities and energies at the inlets of culvert are. sufficient to erode around the:inlet structure. Riprap may also be used to help:channel the storm. water to.the.inlet of the_maven, Culvert outlet protection should be used where d i charge velocities and_energies at the outlets of the culverts or channels are sufficient to erode the next dowristreati reach. Limitations Rock aprons_atthe culvert outlets should not he placed on slopes steeper than l0.percent. Runoff from pipe outlets at the top ofcuttfills or On slopes steclper than 10 percent should he routed via slope drains or.riprap_chutes to a.rock apron at the toe of the slope. Otherwise Will re-concentrate and gain velocity as the flow leaves the apron. 17 Design Criteria Culvert. Met protection: Riprap, gabions, or rock retaining walls .at culvert. inlets shall he. designed:according to RIPRAP 04 or RETAINING WALL:(13.W), Culvert:Outlet protection; Gabions or rock_retaining walls at culvert outlets shall.be designed: according to RETAINING WALL (RW). No- formal design is required for plunge pools at. outlets:..Riprap aprons at:culvert outlets shall be designed:as follows:.. Tail-water depth The :depth of taail-water immediately below the pipe outlet. must be determine:d for design capacity of the pipe, If the tail-water depth is less than halt the diameter of the outletpipe, and the receiving stream is wide enough to:accept::di.vergence of the:flow, it.shall. be classified as a minimum tail:-water condition. If the tail-water depth.is greater than half:the: pipe diameter and:the receiving stream will continue to confine the flow; i:t shall be classified: as :a maximum tail-water condition. Pipes.that outlet.onto flat areas with:no defined channel.may be assumed to have a minimum.tail-water condition. Riptap.Apron Size & D5.a:: The:apron length (LA) and the 1:50 of the:riprap shall be:determined from table CP-1 .according to the design flow and weather there is a minimum or maximum tail- water condition: The apron width (W) shall then be determined. as.(W=dA-0.4LA) where d is the diameter of the.culvert: If the..pipe discharges directly into a:well defines channel, the apron shall extend across the channel bottom and up.the channel banks to:an elevation one foot above the maximum:tail-water depth.or to the top of the bank, whichever is less. The upstream end of the apron., adjacent to the:.pipe,shall have a width.of two-(2):times.the:diameter of the outlet pipe:or- -confirmed:to pipe and section:ifu:sed. Riprap _Materials:. The outlet protection. may be :done using roe. .riprap or grouted. riprap. .Riptap shall be composed of a well:-graded mixture of Stone size-so that-50-percennt:afthe pieces, by weight;.shall be larger than the I)50:size determined from table CP-1.. A well-graded mixture, as used herein, is defined. as a. fixture composed primarily of larger stone sizes, but with a sufficient mixture of other sizes to fill:the smaller voids between the_stones. The diameter of the largest stone size .in such a inixture.shall be 1.5 times the O50 size. All grout for grouted riprap must be one:part Portland t:e«lent for every three parts sand, mixed thoroughly with water_ .Filter:: If as filter cloth or gravel is used;it should be:de:sign:ed according to RIPRAP(R:), Apron Thicless: The_minimum thickness of the:riprap layer shall be 13-times the maximum stone_ diameter for DSO of _l5_ :inches or less; and L2 times. the maximum stone size. for D5o greater than 15 inches. Riprap Stone Quality: .tone for riprap snail.a . consist of field stone or rough •an ewn quarry stone. The stone shall.be hard.and angular and of quality that will not di siniegrate in c'posure to water or.weathering._The_.specific gravity ofthe ndividt l stone:shall be at least 2.5. Site rock or site bouldeers may used ptovided it has a.density of at least 150 pounds per cubic foot;..and: does not..have any exposed steel or reinforcing.bars. 1& Construction Specifications .Culvert:inlet Protection: 1.. Riprap,:gabio ,.or rock retaining.Walls at culvert inlets shall be..conistruc:ted in accordance ta.RIPRAP(R) or RETAINING WALL (RW.},. 2. After installation.:c f a culvert,examine the stream channel for the antounto f debris, logs, and brushy vegetation present. In channels.with large amounts.of debris,consider using. :oversized pipes: 3.. Boulder-should-be dry4stacked:around-the:culvert inlet and up the slope:to the edge of the: road. Culvert..outlet protection:: •Gabions or rock retaining walls at: culvert outlets shall be:designed °according to RETAINING WALL (RW): Riprap aprons :at culvert outlets shall be c:onstrticted: according to'C.P-.2.and as.follows. L. Prepare the subgrade:for the:'riprap to:the required.linesand:grades. Any-fill required in the:sub-grade shall be compacted to.a..density of approximately that of the surrounding: undisturbed material. 2.. If a pipe discharges into a well=deined.channel;the channel's side:sslopes May not-be :steeper.than°2:l 3:. Construct apron to the design length and width:with no slope, The:invertelevatiuns must be equal at the rec i viny channel and the apron's:downstream end_ No over-fall at.the.end.of the apron of the apron is s(Is)\\cit. I lie elevation of the downstream.and of the apron shall_be equal to the t 1 evatit'n of the receiving channel or-adjacent ground_ The:outlet protection:apron shalll be located so that tiicre are no bends in the horizontal alignment. 4,. If a culvert outlets at.the top of cot/fills or can slopes Steeper than 10 percent one of the following option.is suggested; ... Line:slope below culvert outlettwith:.a:riprap channel to convey storm water to the bottom of the slope where a ripi-ap apron,as deSigned above, shall prevent erosion at the bottom of the. slope, The:riprap channel.shall be designed according to the table in the R.IPRAP(R) construction specification that is.based on.depth of flow and slope. The_riprap channel shall dip into the slope_se.than all'water is contained within the_channel, flows to the riprap outlet.apron at the:base of the.s ope,and does not:spill over the sides onto.unprotecte soil. 19 Maintenance Considerations The frequency of inspection should be in accordance with the Storm Water Managetnent::Plan (SWIM). Inspect for debris at the entrance to culverts and within culverts. Inspect riprap at. culvert inlets for damage and dislodged stones. The maintenance needs are usually very low for properly installed riprap aprons at culvert outlets. However, .inspect for evidence of scour beneath riprap at outlets aprons or for dislodged stones, Anything that is found to reduce the effectiveness of the culvert or culvert outlet protection should be repaired immediately. References Keller, Gordon and James Sherar,Lois-Voimne Roads Engineering, Best Management P:active4 Field Guide. United.States Department of Agriculture (USDA), Forest Service, US Agency od International.Development.:(USAID), 2005... h4 !'s\:vivi §:ELI:} New York State Department of Environmental Conservation, New York Guicdeline fo Urban Erosion and Sediment control. New York: Forth Edition, 20 Riprap Aprons for low Tailwater (downstream flow depth <.0.5 x pipe: diameter) Culvert: Lowest Value: Intermediate values to interpolate from Highest Diameter y Q, L. Dso Q L,� D Q L_ D511 Q: i.., Dso () t., Dso :Cfs Ft In. .: Cfs_ :._Ft:_ ._In_._ Cfs: Ft In .:Cfs Ft In C'fs t t In - r , 4 7 2.5 :::6::: ::10:: 3.5: 9 131 6 12 16 7 14 17 8'3 15":_ 6.5 8 3 la 12 5 :._ 15 1.6 7 2U_ 18 10 25 2t) 12 18" 10 i {) 3.5 15 14 5.5 20 17 7 .30 : 22 11 40 25 14 21" 15 11 . 4. _ _ :25. :_ :_::18::: 35 . .22 10 .::45:_:: ::::26::_ : 13: 60 2c} 1 ti .24.': 21 13 5 35._• _._20.__ :<8 5::: 50 2(' 12. :.:.65::_ 30: 16 80 3.1 19 27 14 5.5. _ 50 24 9.5 : 70 29 14: 90 : _:34_ 18 110 37 22 0„ 36 16 6 60 25 "9.5: 90 33 15.5 ::120 8 20:_ 140 . .41 24. 36" 56 20 7 100 32 13 140 40 1 180 ≥45 23 220 50 28 42" 82 22 8.5 1211 32 1.2., 160 39 17 200 45 20 260 52 26 4$'' 120 2c_ 1 i1 174 37 ; 14: 220 -16 1c.) 270 54 23 320 64 37 Riprap Aprons for High Tailwater (downstream flow depth > 0.5 x pipe diameter) Lowest Value Intermedintr v Nines to internal: to from Highest Value Culvert Diameter O Lam Dso iLA: :D50 Q I., D:" () L. 1)50 Q LA D5 Cfs Ft In Cfs Ft In Cfs Ft In Cfs Ft In Cfs Ft Itt 12 4 8 2 6 18 2.5 ' 9 _ 28_ _4.5 :12 36 7 14 4n. 8 1 Sit 7: 8 2 1:0,-iy:2TH25-i 15 34 5 2f1:: <42:: :7.:5 25 5C) 10 18" 10 8 2 l5 "22 3 20 34 5 3(l: 50 9 40 6U 11 21" 15 8 2 25 32 4 5< 35 - 48 7 45 58 11: : 60 . 72 14 21" 2i i R 2 35 36 5: 50 55 . 8,5 65 68 12 : 80 80 15 .27" 10 2 50 41 _ :6 70 513 10 90 : .70 14 110 82 1:7'30" : 0 11 2 60 42 6 ''40 64 11 _ 120 _ 80 _ 15 140 90 - 18 3 " : 11 56 13 2.5 100 60 H 7 140 85 13 _ i$11 _ 1 4 1 220 12U - 23 42 82 15 2 5 :120':'50: 6 160 75 10 i200: -:-96: 142611 120 • 19 4y 120 20 2:5 170 58 7 220 85 - 12 27{1 x{15 16:i_320 120 () z . T picaf inlet Pratec:tton v • Typical Outlet Protection .. i. • ��• F r. �,LLq� r. - F - � f • • r4C' ` Z2 Diversion.Ditch Embankment Bases or .Midslop.es (DD) DIVERSION.DITCH SECTION UNLINED.CHANNEL .r: DD): DIVERSION DITCH-FOR EMBANKMENT BASES OR MIDr5LOPES Diversion Ditch Installation NoteS • See the Man view for the location(s)of the diversion_ditches. • A plastic liner;riprap;:or erosion control blanket may be-necessary to protect the diversion ditch. • :All material excavated from:the ditch shall be used.to:construct the berm on the downhill side of the:ditch_ • The_diversiondi_tch shall be a minimum of.18"deep with 3:1 side slopes: The adjacent berm shall.bea minimum.of trio height with 3;1 side slopes.: All embankments shall be firmly compacted. • The discharge from the diversion ditch shall be:directed towards an appropriately sized. and constructed:slope drain_,or sediment.pond.. 23 • In locations where construction tra€fc must cross a diversion ditch,the erosion control supervisor shall install a temporary culvert with a:minimum diameter of 12". Diversion Ditch Inspection and._Mgin_tenanec Notes • The erosion control supervisor shall.inspect the diversion ditch at the following intervals:: • Cinmediately following initial installation. • Every 14 days while:the site is:under construction. • Immediately following any storm event that causes soil:erosion:. • Once a rtiOnth following the end:of construeti©n, until vegetative cover has reached a consistent density of at.least:79% of full.vegetative:cover.. • Accumulated sediment shall be removed once_:the sediment has reached a depth equal to 1 the crest height. • Diversion ditches shall be re-graded immediately following any signs of soil erosion. • Diversion ditches are to:remain in place and properly maintained until vegetative:cover has reached a consistent:density of at least 70%.of full:vegetative.cover and erosion and sedimentation ism longer a possibility as determined by the County inspector. In some. instances, the diversion ditches may remain in place permanently.. • When diversion ditches are removed, excavation shall:be filled with suitable compacted topsoil_. The berm portion ot`the di ion ditch ,1hidl he gritled:out and any disturbed areas assactated.with the installation,maintenance;and/or removal of the diversion ditches shall be roughened,seeded, mulched, and crimped. An erosion control blanket may be used in lieu of straw mulch.: 24. Erosion Control Blanket (ECU). Description Erosion control blankets, also called turf reinforcement mats (TR, are porous fabrics and are manufactured by weaving or bonding fibers made from organic or synthetic materials. Erosion control'blankets are installed on steep slopes, over berms,or in channels to prevent erosion:until: final vegetation is established. However; blankets can also be used as separators or to.aid in plant growth by holding seeds, fertilizers:arid topsoil in plate. Applicability Erosion control blankets may be used in the following applications;: • To.:control erosion on steep slopes and to promote the establishment of vegetation.. • To stabilize channels against erosion from concentrated:flows. • To protect berms aid:diversions:prior to the establishment of vegetation.. • To:protect exposed soils immediately and temporary, such as when active piles of°soil are. left Overnight. • As a.separator between riprap:and soil'to prevent soil from being eroded from beneath the riprap and to:_maintain the:..riprap's base. • May be used on slopes:as steep as 1 Limitations • Blankets used an slopes should be:biodegradable,or photodegradable.nontoxic to vegetation:or germination of seed, and non-toxic or injurious to humans. • Should not be used:on:dopes where vegetation is already established, • Some blankets might promote increased runoff:and might blow away:if not firmly anchored. • lithe fabric is not properly selected;designed;or installed;the effect n-enc s may be reduced.drastically: Manufacturer's specification should be followed. 25 Design Criteria There_are many-types..of erosion control blankets available: Therefore,!the selected fabric should match its purpose. Effective netting and matting.:require firm,_ continuous Contact: between the material.arid :the soil. lf there is AO contact; the material will: not:hold.-the. soil and erosion will occur underneath the material. Table •EC:B-l. indicates: some: reccOnunended criteria. for the selection.of erosion control blankets. Construction :Specifications •: Smooth soil prior:to installation and apply seed prior to fabric installation for stabilization of.construction sites, • Select the:appropriate.fabric type:using the.guidelines:.-ft-ern-table ECB-l. • Installation of the blankets.shall be:in accordance with.the manufacturer's recommendations and according to figure ECB-'i...For blankets being'placed in:channels, the fabric.should be:rolled out.parallel to the chatnnel..if the width.is sufficient to Covet-the entire width of the channel_:The:fabric needs:tto be in continuous contact-with the exposed soil. • Pins or:staples shall be made of Wire 0.1621"or larger:in diameter."U"shaped staples: shall have legs 8" long,_and:a 1"crown. The bar.of the"'"`shall be at least 4" long. Triangular survey-stakes can:also be.used: Maintenance Considerations The frequency cif inspections should.be: in accordance with the. Storm Water Management Ilan (SWMP): Inspections should determine if cracks, tears, or breaches have: farmed in the fabric. If the effectiveness of the erosion control blanket:has been reduced the fabric should be repaired:or replaced immediately_ lie-anchor loosened mattin,,* and. replace :missing matting: and. staple. as required. It is necessary to maintain contact. bee .ecn the ground and the blanket -at. all times. Trapped sediment should.be reinivcd after:each storm event.. References Environmental Protection Agency (EPA), Nation di .Pollutant Discharge F_lin!itnail .S'1stem . VPDES .. Construction:Site Storm Water:. uno ''Control. Washington, D.C.. February 2003. lttp::_ e:flatcl elasr: t'r °.' ple tits. g�� 'aytct: t} rllEiit _srlLL_iit _, `,# . Iloriton Environmental Scrvic:.s. lrzcti Guidance.Docunen Reasonable and Prudent Practices: trrt'tabilizati w (R.ii-'I'S) tit ,rnd Gas Construction Sites_ April 2004. 26 Keller;Gordon and James Sherar, b:gineE ii7g, Best ancigemetit Practice. Field Guide, United States. Department of ,- aiculture (USDA), Forest Service, US :Agency od International Dev:elopment(USAID), 2005. North:A-Merle-an Green., 2004. http://wWW.nagreentom. S.icggQs.tecl.: da?°iW $. + es 81±x- Cer; •;.trr,gi,:.=.r. xa c�:::•:Np II:'«i,Grt:=: • r-40-.5-04,-.1.er :t: - ....... . .. . i`�.?_=ti _'�_ F-lam._{ I:.�Ii:7' — 'r/:{�;.t _ _ •_.1 _ _L rn::•,'a .' 1 — "i°:f.^'d}i..:?plc- .�,. 27 Sci i.flEFitill thY,-,[wi t .s.: - :i4i'c_}a4,:i ; t j4 -../. _. 1 f ;. -.a1 . ..-. ' '4... ..T.- ne . . .Enj.5i(n C tr 'SLinket .Ferseictive-Wow: 4 --, u't Fria-1 52.,3&.:?.i _cip____ -... .. :. ., 1. ,....,,...,,.,,.,...,.., .... \ 741-.. i is- J14-rEs .ii F i I-. --1--Ei'f3.35Et.a1 Yt'-IF1 - ..ET ; . #°rc :l°#'i t.[:!3?o pa t.. i.1'l 04,),::: rll,-,: ' F -----,',,.. - „ #'3 r._5JF mrii, \ , i::::tiL:::,:ii.,-.. ,..-- -., .. ` F ` .44. ..-4-Plitt 'ii'#IiFi Mkt _ r 28 t. • ••••••,:.: sib ``"F TAN- " .DETAIL 4 it! r-rtr "iklTritT*:: .r1 raar�� E a ntra akim. 3ii`i * _ t": icF# , Itt rP'E'=''i₹ STAPLE •=• rAi bsltt F1'o$1tirt.C0171r04 BIAn eta Eet3l# . De x11:4:, et 11 s, and.Saple.Det4iI Scion Vie 29 ilyd.rauulkc 'Iuieh. r.i... , ,. .i7'.-L1H1., iL:, ...,._. . ,.. ,_.*:l #: I .......:.. r t.] r.:_r_y_y_y__',,: ue:.. Description-and.Purp:ose :Hydraulic: mulch consists of applying mixture of shredded wood fiber or a hydraulic matrix, and a stabilizing emulsion or tackifiet with hydro-mulching equipment, which.temporarily protects exposed soil from erosion-by raindrop impact or wind.. Appi.cabliity Hydraulic mulch is suitable for soil ilistttrt:,cti .nods 1Qquiring temporary .protection until permanent stabilization is established,.and.disturbed ar,s. that ',Ail! he re-disturbed following an extended period of :inactivity.. Limitations Wood fiber hydraulic mulches are get1Lr:tll} short ii'ed and need 24 hours to dry before:rairtfalt occurs to be effective. May require a.second application in order.to.remain effective for an:entire rainy se ison. +Construction Specifications • Prior to:-application,roughen embankment and fill areas by rolling-with:a-crimping-or punching type roller or:by track walking. Track walking:shall only be:used where other methods: are-impractical: 30 • To be effective, hydraulic matrices require 24 hours to dry before rainfall occurs. • Avoid mulch over spray onto roads, sidewalks, drainage channels, existing vegetation; etc. • Paper based hydraulic mulches alone shall not be used for erosion control. Xtgctr cxttli. „iule'hics It , - -. _.= _ H jdlF'YE0.212 G'._DIY trees H c, . C'YX!flk.cl Fib Y' trY1 B, , e i - , y Iet .r, ._.?,.I,..: r T::,-;>,.Il,. £ , f Dt._ 31 ci .r -.:I .. , ;i 1 r- ' P i,4.. .. ,.,.E _ .,...._ ,. 3.. ... : _., ._ . :„-t;e 31 Land Grading (L ) Description Grading :involves: reshaping the ground: surface_ to planned grades. Grading provides more suitable topography for: well pads and: pipelines and helps to control runoff, soil erosion, and sediment.during and:atter construction in these:areas. This EMF shall:include the:following; •. Proper cut and fill techniques to ensure roads and well pads remain stable over time. • Road crowning.or sloping:to properly route runoff off the roadway, • Surfacing of:roads or well pads with gravel to avoid mud, tutting, and large quantities of sediment that will wash away during:storms. Applicability • This.BMP is applicable to the construction and maintenance of any road or well pad,but particularly those located on steep topography.or`easily erodible soils. • Surface gravel is applicable to all areas with "soft" soils sections, steep:grades,.highly erosive:soils, or Where here all weather access is needed.Gravel may be used as "fill" material in ruts. Or as a.fittl structural section over the entire road or well pad. Limitations: • Improper cut:and fill slopes that disrupt natural storm water patterns might:lead:to poor drainage, high runoff velocit:ies,.and increased peak flows during:storm events. • Rutting and wash boarding.may develop if surface gravel is not designed properly or if road:orwell pad:is not sloped. • :Plat-blading to maintain the roadway rust be done properly to avoid Changes in gravel thickness,road Mope,and road grade.: Design Criteria Practices must be developed for erosion control, slope stabilization, and safe disposal of runoff water and drainage, such as ditches: and culverts:, grade stabilization structures; retaining walls; and surface drains,:Land grading should be:based upon well pad and pipeline layouts that fit and. utilize existing topography and desirable natural surroundings to avoid extreme: grade. modifications. Clearing and grading should only occur at dose: areas necessary for well pad activity and equipment.traffic. Maintaining undisturbed temporary or permanent buffer zones :in: 32. the grading operation provides:a low cost:s:ediment control measure: that will help.reddce'rurtpff and offsite sedimentation. Slope Failures: Landslides and failed cuts and fills can be a Major.s.OuFce of:sediment. They can:close the roads or require major repairs, and they can greatly increase maintenance costs, Slope failures, or landslides typically occur where a slope: is over-steep, where fill: material. is not_compacted, or where cuts in natural soils:.encounter ; roundw.ater:_or.zones of weak material..Good road.location can:often avoid landslide areas and.reduce slope failures. When failure does occur,.the stride: area should be. stabilized by removing the slide material,: flattening the slope, :adding. drainage, or using: structures as discussed below. Designs .are typically site specific and may require input from: geotechnical engineers and engineering geologist. Failures: that .occur. typically impact operations and can be costly to repair: Failures.:near.streams and channel crossings have an added risk of impact to water quality. Road Slope See:f gore LG-.1.; All roads should be designed with one of the following Three slope types: ▪ thit=striped:roads.minimize the::concentration of water anal minitnize:road width by- :avoiding the need for an inside ditch, but.nay:require roadway surface and fill slope:stabilization. Out-sloped roads with clay.rich, slippery road s rrface.rnaterials often require surface stabilization with.grav:el or liinited use duriing rainy periods toassirre traffic safety. On road grades over 19 to 12 percent and on steep hill slope areas, out-sloped roads are difficult to drain and can feel..urisaf:e.. • 1n sloped:roads.:are the best method to.control surface water. However,in-sloped roads .also concentrate watter.and require asystem of.ditches and turnouts or cross draining culverts. • Crowned roads are appropriate for higher:standard,two lane roads on gentle grades. They may or may not require:roadside:ditches,turnouts, and,Uorcross drains. It is difficult to crcaft and maintain a_crown on a narrow road,.$o generally in-sloped or out-sloped road drainage is more •ffective.. constr.uction.Specifleations Cut and fil[_.Slopes • MI areas ito-be disturbed(both cut and fill) Shall be cleared, grubbed, and stripped of topsoil to.remove trees,vegetation,roots,or other objectionable material. 33: • Fill material Shall be free Of brush, logs,._stutnps, roots, or other objectionable material that would interfere with;.or prevent.construction :or:sati:sfactory.tills. This material can be set: aside and later used at the toe of fill.slopes as filter.bens.. • Table.LG-1.presents a range.of commonly used cut and fill slope ratios appropriate for the soil and rock`types:described..Figures LG-2 and LG:-3 present typical cut and fill slope design options tor:varying slope.and site conditions. Vertical cut slopes should not:be used. unless the cut is in rock or very well cemented:soil. Ideally,both cut and fill slopes should be constructed With.a.2_:l or.flatter.slope to promote growth of vegetation, but cut slopes:in.dense, sterile soils or rocky material are:often difficult to vegetate.. • All fills shall be compacted as:reiguires to reduce'erosion, slippage, settlement;. subsidence, or other related problems. • Topsoil.required for the establishment of vegetation shall be stockpiled in the amount necessary to complete finished grading:of all exposed areas. Areas that:are to be top-soiled shall be:.scarified to a minimum:depth of four inches prior to placement of topsoi.l:: Road Slope • See figure.LG=1. Compact soil or road base material to direct runoff • Iterowning:.a road, runoff is directed:to both Sides of the road:requiring two roadside :ditches,:unless runoff will:drain directly to well stabilized areas. • if using an in-slope design,runoff will be directed toward the hillside and requires a roadside:ditch with periodic turnouts:or cross.drain culvert installation. •: If using_an outslope design,ensure a moderate road slope with dense vegetative cover Surface Gravel • Ideally; aggregate:surfacing material_is (l_)_hard,__durable,and crushed or screened to a minus 2 inm:size (2) well graded to achieve:maximum density;::(3)contaains:5-15%clayey binder to prevent raveling; and (3)had_a plasticity index::of.2 to_10. • Piave should be placed to a thickness of at least twice the diameter of the largest stone with a minimum thickness of four inches. Over weak soils gravel thickness can he reduced with the:use of geotextile or geogrid subgrade reinforcement. Also, geotextile laycrs arc useful over soft soils:_to:separate:the gravel from the soil, keep it.uncontaminated.,and extend the useful life of'the.gravel. 34 • Compact.the.aggre:gate during construction and maintenance to achieve a:dense, smooth surface and thus reduce the amount of water that can soak into the road or well pad:. • "Spot"stabilize: local wet:areas and soft areas with four to six inches of coarse rocky material:, add more as_needed: • Blend:coarse aggregate:_and:fine:clayrich soil(When available)to produce.'a desirable composite roadwaymaterial that:_is.coarse.yet well graded with 5-15%fines for hinder,: Maintenance Considerations The fregneney of inspections. should be in aceo:rdance with the_Storm Water Management Plan (SWMP), Inspect cut and ill slopes fir rills:or other indications:of erosion. Maintain all crowns,. out-slopes, in-slopes,and.surface gravel. References: Environmental: Protection Agency (EPA),. National Pollutant .Discharge Elimination Spterri NPD:ES, Construction:Side Storm Water Runof Control. Washington, D,C:, February 2Q03: ht ofpud epzi_f,tpv:i:l tle : ;tor.ch.......... :._s:it.. .fin Horizon Envimrirental .Services; Inc. Guidance Do-t rtle& Reasonable. and Prudent Practices fir Stabilization (RAPPS)i of i and Geis Construction Sites.. 2004, Keller; Gordon and James Show,.Low-:V alume Roads Engineering Best Management Practi es Field Guide. United States Department of Agriculture (USDA)., Forest Service, US Agency od International Development(USA.II)),.2005. hti :._! - :. l tpii.. ci,,::i n .::t:i4.idi!:: r_2 0 .42tili New' York State Department of Environmental Conservation,,. .New York GUideline,sfor Urban Erosion and Sediment COntroL New York. Forth.Edition, 1997. I1 r? V4S'x_d_de ._Rt:LEe-Fly_kC.'4:c}e eb'_y:([ ,Cic}tN;:toot ?eNE:es4`etch-i l'C Ids • I.t r-1 Stable:Slope Ratios for Various Conditions Slope Ratio Soil/Rock Condition (Hor:Vert) Most rock. 1/4:.1. to 1/2:1 Very well cemented soils 1/4:I to 1/2:1 Most rn-plare'soiis 3/4:1.t01:1 Very fractured rock 14.10 11_/2:1 35 Loose coarse granular soils: .1.. 1x2:1. Heavy clay soils: 2::1 to 3::1 . . Soft.:cfay rich zones or wet seepage areas 2:1 to 3::1 Fills of most soils 1 1/2:1 to:.2::1 Fills of hard, angular rock I 1/3:1 Law cuts and fills 2:1 or flatter (<10-ft high) (for rcyegiiat0n) Figure :LG-1 Typical Road Surface Drainage Options r • 36 Paved & •Graveled: Vehicle. Tracking Control (PGVTC) Description: CONCRETE STRUCTURE WITH GRAVEL AND CATTLE GUARD. A stabilized commotion: entrance tracking pad). is a pad of gravel or cattle guard where construction traffic leaves a site. The purpose of a paved and graveled entrance.to .a.site is to minimize the amount of tracked:mud and dust that leaves.:a: site. As a vehicle drives over the pavement and gravel, mud and sediment are removed from the vehicle's wheels when crossing the cattle guards and.:of#site:transport of soil is reduced.The paved and graveled pad also reduces erosion and rutting in the soil beneath the stabilized structure: Applicability Stabilized construction entrances..are installed at.locations where coinstruction traffic leaves or enters an existing paved road. Limitations • Although stabilizing a construction entrance is a good way to help reduce the amount of sediment leaving a site, some soil may still be deposited from.vehicle.tires onto paved..surfaces.. To further reduce the chance of these sediments polluting storm water runoff,sweeping of the paved area adjacent to the stabilized site entrance is recommended: Maintenance Considerations The frequency of inspections should be in accordance with the Storm Water Management Plan (SWIM) Visual evidence of deterioration should be repaired immediately. Gravelled/Paved Vehicle Tracking Pad —Aerial View 24 S^R_' : rte._ ,i -L C ire Was V npa nos 5'Dia.Crushed 30 Concrete sue. rwv 2 ;ST,...=—- c i _ C Cattle Guard#2 , , -TT----,-r---rr a-„, . T_ _- i=i. T ' 144" 144:" '4.4n 137' 11144" '94' 195" 1 144";' 137" \1144" ...__. ___.._._ .._..... . -__?. 824" 245" 1 "55.i '137" 4#/•1 0* \440 171 283' ! 295". 1871# '':020 j 154 1327, v s 1 351 3'4' 220 441, 1S0 , 1 5 154.' g ,� 2 f...... �._ ... ...__._ __........___.... ....._. .___ ........ 'g .mm.. . . _.-354" 256" e3... NOT TO SCALE GraveiledfPaved Vehicle Tracking Pad — Cattle. Guard #1 Aerial View -_— - -- -r- !I I 1 r -rr---- 1 -- r- -+--- .. . i I ..... 1 L •r_j T r J E..:. - 3 ! I 1 i7,.. ;.... - .. 1 1.___•- . - -. - ;--: . I L cT /. t. _ I. 1 I L 1 r 1- C . _ L J. '- . Side. View :0. O Frontal View. ..0 . . c_-__;:‘i 77 ........0 ... ._ . _ :: _.. ... 0 Gravetled/Paved Vehicle,Tracking Pad — Cattte Guard #2 Aerial Vie* ==z r , :r ---7-1- I .1-7T -- T 1 —' i _ _ • 1 1— 1 1 1 1. 1 _I__i_:• 1.... 1 . J L • _ ..L__1... . __ i_.._L 1- 1 i J Z cT - ! 7.1_1.-. _. _ ` .D Side View . Frontal\li. ';r,: E. .. ,3 ' i . 1 Paved Vehicle Tracking. Control (PVTC) Description CONCRETE STRUCTURE:WITH CATTLE:GUARD A stabilized construction. entrance (tracking pad) is a pad of gravel or cattle guard where construction traffic leave a.site; The purpose of a paved entrance to a site is °to -rnimmicr ize the :amount of tracked mud and dust that leaves a site: As .a vehicle drives over the pavement, mud. and sediment arc removed from the:vehicle's wheels when crossing the cattle:guards and offsite. transport of soil: is reduced:. The paved pad also reduces erosion and rutting .in the :soil beneath the stabilized structure..Sub-surface concrete boxes exist below each cattle guard crossing to trap sediment released.from vehicle tires. Applicability Typically,. stabilized :construction entrances are installed at locations where construction traffic leaves :or enters an existing paved road. However, the applicability of site entrance stabilization. should be extended to.ariy roadway or entrance where vehicles will access:car leave the site. Limitations • Althotigh:stabilizzing a construction eritrance.is.a good way to help reduce the amount of sediment leaving asite, some soil May still be-deposited-from vehicle tires onto paved.surfaces. To further reduce.the.chance of these sediments polluting storm.waterrunoff sweeping of the paved:area.ad}acent to the stabilized.site entrance is recOth:merided.. • Site traps.°or other secondary sediment.controlsare needed to capture that.sediment that: accumulates at the pad and may:run off during storm events, lla nten:ance considerations The frequency of inspections should be in accordance with the Storm Water Management Plan (SW\IPj. Sub surface concrete boxes should be inspected for evidence of sediment deposition and cleanout .shc uld be recommended at: appropriate times. Visual evidence: of deterioration shouldbe:repaired immediately: 37 Paved Vehicle Tracking Control Segment 8`9" 19' 5" 18'6" 9' 10'6„ 10' I 13'6' 18«6v 177 a 148 i 13'2" 17'6" 16'4" I I 12. 1 16' 3" 15'3" 112'15'1, 14' 3" 17 13' 11' 13'2" I 18`6° 12'8° 12'4" 42" 10'8" 13 4' 13' 13' 10'8„ 10' 17 4' 12 6" NOT TO SCALE ...1 38 Paved Vehicle Tracking Control Cattle Guard j l Weld Paints I 4, ( I I E 44 1/4 I Beam Metal I I Weld Paints I II Ie I H a 8„ NOT TO SCALE 39 Paved Vehicle Tracking Control Sub Surface Concrete Box 24' a..: 8". 1 4 4•: r 23'4" 4" —10' 9:4' { 4:, NOT TO SCALE L 40 Revegetation (RV) Description Revegetation: involves planting seed to establish: :a. vegetative cover :in disturbed areas. Revegetatinn reduces erosion and sediment:by stabiilizing disturbed areas: in a manner that is economical, adaptable. to site :conditions, and allows .selection of the most appropriate plant material. Revegatation also: •: Absorbs the impact of raindrops. • Reduces the velocity of runoff • Reduces runoff volumes by increasing water percolation into the soil: • Binds soil.with.roots; • Protects soil form wind. • Improves wildlife habitat. • Enhances natural beauty. Applicability Revegetation is most c Ii c ti ve t yi t dopes _no steeper than :2:i. .Revegetation: may be used as a: permanent: control or a temporary control in areas where exposed soil surfaces: are not to be: regarded: for periods loner than 30 days. Such areas include denuded areas, soil_ stockpiles, beans,:temporary road banks, etc Limitations Tie.eft'ectiveness of revegetation can be due to the following: • High:evasion:potential_during.establishment. 41 • The need for stable:soil temperature_and soil moisture content during.germination and early growth. • The need to reseed areas that fail to establish.. • Limited.seeding tines depending on the season. •. Proper seedbed preparation and the use of quality seed are important in this practice:: Failure:to carefully follow sound :agronomic:recommendations will often,result in an inadequate. stand of that provides little or no erosion:control;. • Sseeding does not immediately stabilize soils Prior to seeding, install: necessary erosion and sediment control practices such as diversions, straw bales, and: basins until vegetation is established. I}.esign. Criteria Successful plant establishment can be maximized with proper planning; consideration: of soil. characteristics;: selection of plant materials that Are: suitable for the site; adequate seedbed preparation,liming, and_fertilization; timely planting; and:regular maintenance. When le seed Areas_to be stabilized with vegetation_:must.be.seeded or planted:one to four.months after grading is completed unless temporary stabilization measures are in place.. Possible dates for:seeding are as follows: Seed Mix Climate, soils, and topography .are major factors that dictate the suitability of plants for a particular site: Vegetation.that is adapted to the site, has strong roots, and provides good ground Cover should be used. Although a native need mix is best some grasses such as Vetiver, have been used extensively worldwide because of their strong, deep roots, adaptability, and non- invasive properties. Construction.Specifications t: Seeding does not,immediately stabilize soils. Temporary en'otiton :mil scc11111L'nt control measures should be in place o prevent otr Site transport of sedimi nis from disturbed areas until t'c_'`2.'tation:is established. 2. Vegetation should not be established.on slopes that ire unsuitable clue u, inappropriate.ropriate.soil texture,poor internal structure or internal drainage;volume ui•0verinnd :Iv.or c ce;;i t c ;I cepne.s. .tntil measures haven taken to correct these problems. 42 3. I#the area has been.recently loosened or:diisturbed,no further roughening:is required. When the. .area iscompac:ted,crusted,or.ltardened,.:the soil surface.shall.be loosened.by disking,raking, harrowing,. or other acceptable means:to.ensur'e,good Water infiltration and root:penetration:(see:SURFACE ROOcHENi.NG 4. The soil on:a disturb:ed.site:May need to be modified to:provide an optimum environment:for seed germination and seedling.:gr:owth. To:Ma.intain a.good:stand of vegetation, the:soil must.meet.certain mi_n_iniumrequireinents:as a.growth medium.. 1f any of the below criteria.cannot_be met.then topsoil shall: be-applied.. The-existing soil must:have,these.characteristics `• Enough fine-:grained:materiai..:to maintain:adequate.roisture and nutrient supply: .• Sufficient depth of soil to provide alt:-adeguate:root-zone. The:depth.:to rock or impermeable layers such... s_hardpans.shall be 1.2 inches or more,except on slopes steeper than.2:1 where the addition of soil is-not-feasible • A favorable pH:range for.plant.growth_ .if.the:soil ls:so acidic that a pH range of 6,0-7:-..0:cannot: be attained by addition of ph-moditying.materials;.then the souls considered an utisuitable:_environment for plant roots and:.further.:soit modification vwatild..ber€quired: freedom:.from:.toxic.amOUnts.of Materials:harmful to plant growth: • Freedom.from..excessive quantities of roots,.branches,large.stones, large clods, earth,:Or trash.o f any.kind: .Clads and stones may.beleeft on slopes:steeper than 3:1 if they do notsignificantly_impede good seed soil contact. .. Add fert.ili7er.ltid.or 1i f necessary. Lime and-fertilizer may be incc:rporatcd into the tot, two to fourinches of the soil if possible. The addition of lime is equally as:inapnt.t.snt as.Lipp'\aruz tcrtili7er. Lime will incidifY.the pH and.supph calcium.and magnesium. Its effect on pH makes other nutrient more:availalte:to:the Omit.. .6.. The.appropriate:see i shalt be evenly applied.with a broadcast seeder,drill,cultipacker seeder or .hydreisecder.. Seeding depth OO 44 be /:to:%inch.. 7.: if necessary, apply mulch according to:MULCHING (M), the mulch:will hold moisture and: modify remperatttre.extremes..and prevent,erOsiort:while.seedlings are growing. Maintenance Considerations 43 The frequency.of inspections should be in accordance with, the Stonn Water Management Plan (SWMP), Vegetations is considered established when a density of at least 70 percent of pre- disturbance levels: has been reached. Seeded areas should be inspected for failure and any necessary repairs and.re-seedings::should:be nuacle within the Same season:if.possible. References Environmental Protection Agency (EPA), National Pollutant Discharge. Elimination , ysteni (NPDES). Construet!on Site Storm Water Rung 'Control: Washington; D.C.; February:2003; ::c ti) .eP-! Horizon Environmental Services, Inc, Guidance Document Reasonable and Prudent Practi&es: fir Stabilization:MAPPPS) of Oil and.Gas Construction Sites: April.2004. Keller, Gordon and.James Shear,Low-Volume.Roads:Engineering; Bear Management Practices Field_Guide.: United States Department of Agriculture (USDA), Forest Service, US Agency od International.Development.(USAID),_2005.:1 rttE _':;t_ __ _,:€elf _,`*z :;_la€ P`licltN,210 :clider.hini. 44. Roadside Ditches (RSD) and Turnouts (TO) Description Roadside ditches are :channels constructed parallel to roads. The ditches .convey concentrated. rtinotT of surface water from roads and surrounding areas to a stabilized: outlet Turnouts (also called wing ditches) are extensions of road side ditches. Turnouts effectively remove run- off water from_the:roadside ditch into well-stabil€zed areas before:.it reaches a waterway. Applicability • Roadside ditches should be used for all roads built on sloping topography and with either an inslope or a crowned design. • Ditch turnouts should h:e:.Used as much as possible but their best use may be on slopes longer than 150ft or greater than 5%;:as conditions allow. • Turnouts are applicable where fairly flat naturally vegetative areas exist rat intervals by the roadside, Limitations • if these-structures are not installed correctly they may become a source of erosion. • Road-side ditches do not:necessarily filter sediment from:runoff: • Turnouts:should be on.gradual slopes only. • Turnouts require vegetative cover or other filter at the discharge point.. • Turnouts only Work well if small volumes 0f runoff drain into tle:turnout. Turnouts should only receive runoff from the road and ditch surface, not from large,uphill watersheds. Design Criteria No formal design required. Construction SpecificationS 45 Roadside:ditches I. Roadside ditches should be constructed with:no projections:ofroots, stumps, rocks,or si'tuitar debris:. 2. Excavate ditches along roadside to a Width.and.depth that:can handle expected flow according to:figure.RAD-1:. 3. All ditches shall have uninterrupted positive grade to:an outlet. Slope:ditch so that water velocities do not cause:excessive erosion, but no.less:than 0.5%, slopes and high velocities:exist,use check darns to slow runoff:and catch.sediment: 4. To control erosion and.collect sediment,construct aggregate check dams according to figure_C D-l: of CHECK.DAM (CD). 5: All ditches shall convey runoff to a sediment trapping device such as:a SEDIMENT TRAP( T) or an undisturbed,ed, well vegetated and stabilized area at non-erosive velocity. 6. If necessary, stabilize ditches with.RIPRAP(R) Or EROSION CONTROL BLANKET (ECB.).. Turnouts 1.. Use turnouts wherever possible and undisturbed soil: 2:._ Turnouts should be on gradual slopes only and should slope gradually down from the bottom of the road-side ditch.. 3... Angle turnout at approximately 30 degrees:to the road-side ditch 4. Discharge turnout into well-vegetated area or install a secondary control such as a:wattle, sediiment.traps,.or silt fen€e; As a good rule of thumb,the vegetated outlet area should be a miniriuii:of one half the size of the total drainage area draining into it. if well-vegetated outlets areas are not available, use culverts or other controls to:direct runoff to a stabilized area. 5: Space turnouts according to slope as indicated on.figure TO-I. 6. Turnouts:only work:well if small volumes of runoff drain into the tunaout. 1 animas should only receive:runoff'from the road and ditch surface, not from large,uphill NA atersheds; 46 Maintenance Considerations The frequency:a€inspections should be:in: accordance with the Stortn Water Management Plan (SWMP)_. Road ditches and :turnouts should be inspected for any signs of channel:ization, and repaired as necessary.. Structures: will fail if water exists in channelized: flow:. Also inspect for: sediment buildup.at:the outlet and at aggregate check dams arid remove if:necessary.. References Horizon Environmental. Services, Inc, Guidance Document Reasonable and Prudent Practices for Stabilizatkm iPP$) of 011 and Cap Construction:Sites. Aptil.20.04.. Keller,Gordon and James Sherarr,..Loiv-.Vonore Roads Engineering, Best Management:Practices: Field Guide. United States Department of Agriculture (USDA), Forest Service,:US Agency :od. International Development(USAID);2005. 173 s4§= .� i� �.a�a }�: ��_;t fi4.d!t} i0 hn ii United States Department of the interior and United States Deparnnent. of Agriculture. :Surfrace Operating Standards and Guidelines pr (?it :and Gas Exploration and Development "Gold Book.". BLM/WO/ST-06/021+3071. Bureau. of Land Management (BLM).: Denver, Colorado: Fourth Edition:,2006. Figure RSD.i Roadside Ditch Installation kv;t: •.Iar 17,*, � +#1 d1 : ff?'e arhz ₹ Rturi6, NUT 47 .Fi-9('Ye `CO-I trf re.u: L-ayout. Y � J.. 48 Silt Fence (SF) hJX.`_: N1Lou-s!tJ(_. -,-.).!7-I i O. F: F :q1 ;.5=GT(;N:5 F6RFu S?;)C4:s: SLOPE . .. -,. a r r"t l 4.,%i �ABRIGSECTIi N t, e . SILT:FENCE JOINING ROLL TO:R0LL SILT FENCE INSTALLATION.AT SLOPE BASE DETAIL.:(PLAN LAN VIEW) F>m:t .. FABItN :.C;X. :;)gCOD STAKE: rA_3R1C . .1 • i _ _ ,:[tr. [ ,.AJL PLAN LJEW) INSTALLATION TRENCH DETAIL PLAN VIEW): Description Silt fences are used as temporary perimeter control around' sites where: there will be: soil disturbance. due to Ctins1ruetit n activities. They consist of a length of filter fabric stretched between anchoring post at regular Intervals along the site perimeter. Applicability Silt fences are generally applicable to construction sites with. relatively small drainage areas. They :are: appropriate in areas: W etc runoff will be occurring :as low-level shallow flow; not 49 exceeding :0.5cfs. The drainage area. for :silt fences generally should not exceed 0:25 acre per 1:00-foot fence length...Slope:length above the fence should not_.exceed 100 feet. Limitations Silt fence should not be ins:talled.along areas where.•rocks or-Other hard surfaces will prevent uniform anchoring offence posts and entrenching of the filter fabric. This will greatly reduce the effectiveness of silt fencing and Can create runoff channels leading offsite.. • Silt fences are not suitable for areas:where:large amounts of concentrated runoff are likely: • Open areas.Where wind velocity is high.may.present a maintenance Challenge, as high winds may accelerate deterioration of the filter fabric._ • Silt fences should not be installed across streams,ditches, or waterways. • When the pores of the:fence fabric become clogged'with sediment;pools of water:are. likely to form.on the uphill side of the fence. Location and design of the silt fence should account for this and care should betaken:to avoid un=necessary diversion of storm water from:these pools that might.cause.further erosion damage: Design Criteria The fence should be designed to withstand the runoff from a 1{i-year storm.event.. Construction Specifications 1. Erect:silt:fence:according to figure SF-1. • lf:standard.strength.fabric:is used in combination with:wire:mesh,the:support posts should be spaced no more than 10 feet apart. If extra-strength fabric is:used without wire mesh_ reilif;Irtement, the support posts.should be_.spaced no more than 6 feet apart. 3, Stakes used to anchor the filter fabric should._either be wooden or petal. Wooden stakes should be at least three feet tall and shave:a minimum diameter of two inches if a hardwood such as:oak is used. Softer woods such as pine should be at least four inches in diameter. When using metal post in place of wooden stakes,they should have a minimum weight oft to :1.331b11inear foot_._if metals post are used, attachment points are:needed for fastening.the filter fabric using wire ties. The height of the fence post should be.between .I6:and:34 inches above the original ground surface. 50 Material for silt fences should ben-pervious.sheet of synthetic fiber such as polypropylene,nylon,polyester,or polyethylene yarn,chosen based on minimum synthetic fabric_:requirelTtents, as shown in the folio ring.table:: .PhY;Oc...11 F?rpwe•r€g ' t.ilia IN C1tlt A'l it j!!, •i., i 1.,3F 1''. s:rr :.:er-,stii F_i... . , lars;r �� ri i is ^:'�}P.C1:L{fit . 5. -Use a continuous roll of fabric to.eliminate_unwanted gaps in the fence. If-a continuous rail offabric is not available, the..fabric should.overlap:.fromt#:both.directions only at the stakes:.or posts with a minimum overlap of six inches:. 6. Extend.silt-fence-across grade and upslope for a:short distance: 7. :Compact bacicfifl at base:of fabric, 8. Plow in orlentreneh to bottom of t:he.:f<abri:c fence at least 6 inches below the ground: surface. This will help prevent:gaps from.forming-near the..ground-surface that would render the fencing-useless as a:sediment-barrier,. Maintenance COnsiderations The frequency of inspections should be in accordance with the Storm.Water Management Platt (SWMP). Inspect silt fences to ensure that they are intact and that.there arc no gaps at the fence- ground_ interface or tears along the length of the fence._ if gaps or tears which: the effectiveness of the silt fence are: discovered, they should be repaired or the fabric should be. replaced iminediately. Accumulated sediments should.be:removed from the--fence:base when the: sediment reaches 113 to 112: the height of the fence.: Sediment removal should `occur more frequently if aeeuniulated sediment is creating: noticeable strain on the: fabric and there is the: possibility of the fence failing from..sudden storm event. Removal Remove- silt- fences and -all accumulated sediment after uphill drainage areas are stabilized by -vegetation or other means.. References S1 Colorado Department .o€ Transportation (CDOT), Erosion: -o itra and Stormwater Quality Guide: 2002.. i1t:#_pp .'._\S\ r1. .I:4E U ::Lts_as:ei yu }i191(St iI. fl\\\23ti;:l 0:11 t ::: Vqm 4:,4:cti Environmental Protection Agency (EPA), National Pollutant Discharge Elimination System (NPDES):: Cortsfrucricn.Site Storm Water Runoff Contra Washington, D.C.,February 2003:. Horizon Environmental Serrvices, Inc- Guidance Document Reasonable: and Prudent Practice* .fir Stabilization (RAPPS) of )il and Geis.construction.Sims; April 2004. Keller, Gordon.and'.James Sl:erar, Low-Volume Roads Engineering,.Best Management Practices Fkld Guide: United States Dei irtment of Agriculture (USDA). Forest: Service, US Agency od. international Development (1 SAlDt. 2005. .°c4', fj.s11 itd 1%,2ct:L.,t 0-e<lytM 52 Straw Bale (SB) . Straw Bale Placement-in Swale (SBS) 4.. . • • TRENCH EXCAVATION. ST #AW BALE INSTALLA'i N: . si rte :?' I. SECTION: .r : .i. . STRAW BALE 533 .11 STRAW BALE IN;SWAL.ES SECTION: • • 41 • • STRAW BALE. • DOWNSTREAM.3PACiNO STRAW BALE IN SWALES I.�y:l:1�1 l SBSTh STRAW RALE PLACEMENT €N SWALE .54 Straw Bale Installation.Notes I:fP i• j ::; _•: • :Ft • a': . t. F.:. •. I•t: •• 1: I - _ - -.i.:• is�� _�� 5. :. I I 1`.•.: ai E::! : I 's.I:"::'I. .:1:` '...:: .'hi I?I:...: :7. ', I I. I I � _ - - - --4 I,- _ -t_ I • 1.. . IL l _L ..... • i�I1L. •1:_ __!';,..._ 1a._ �..4_ ,. ..:.?L i . :'•I:: 7 T ..l., •e !;FE:jlt�. . 11 _I• _ L . :.:?:;. E._ _• ! I .. ::11.11 1: I: .. `-,1::. E_:::i: .':! • .. I 1-I : .. l=.. ..•:•! =1 111: ....,N :. .... .. .. r 1:5:.x..• : �- -=yf'— ={'; .�[•. . - _=�> , . •��'' "mil 55 Straw Bale Installation & Maintenance.Notes ... 77! F. l_.' ; 7.-:= _=. '.- _ :;,_ ..� • L::'.:'•�.=r,: .?:�°I. ..ii' •:.I :.":.:.1. .:_4 .',-`-` ",k I t;.}.,..f'. - ..:.l.:ll �.: • I. �. r. .. :F: . 1:' 11 .'G: •, E_.' ': II .. .E'` . .... .. . I .IIFI i.;` L. $6 Straw Mulc=h (S Ni) } „ ._ 7. D scription and Purpose s ,a'' - ,..,..:,11-..,..t-...t.,,,3-,:.7 ,. l'.a:1n—:c:'::i 1ave Of *tize{ ' aide. i'' ,- ". _ it. :?t t' :.i- :til::f its a .t r" ronel Qt. ; u hci1.1u; } .3�,i: : tt.k,,_ .t-.•• - . ...:Ejy �i♦ ll,ti._ili`i`.. `7 '�lC;.'t` I11uiCit.prQte tai . 14 t#}jl, :In ,{tot *{e t a gi:Is4t - :n itia.::4 1::::4.!_Ai'n t'�3 c.# '�s. al'*z�>`eni in, Eoii t g kC Lair•_ _l' :ill.. :•: .::'' ug+ di 1 T:1't,Ct, a Suitable Applications t ra.(j latildl is 51.1.7. ._. -4}i1 di*`tuu t)r . _ ..-.,,,..1,-, - - . ' ti :t'i._.t +. arotiN2tici,n vintil t!a note+_. .. ... 'se_." ,y3.., Stet-1' 111.11C11 i°.•: a1.175i:.:D:- . .. _ -.*. `4_ :111.1 1:?1 . 1i:cllt sea.: - - 7. .- . 7 : ... ._ plant . :7,:,:b]..:..-. - - -: 57 Limitations a ■ T.. r l . , tt.i . «. 1-1r ,■ t - ,t .:i?. .i -:tie £ E... t j .. .. s' 7e. Tur.i33:«v.r._...r .E. t S.{{in at m ..51i _ I . t I, . }c • t 7,7 '.'_'tv.,H.. t•tr ti tS Intplennentation ■ A . . . .. ,. . . ... 17•- :1,1, SE Application Procedures .. . ]_':.. .. ..:.: tit,- _. .=.:u ,l ...mm._ „ as ,:-,. „ a Z..ry e 1. < .. -. . i ; ₹-. 59 a_ 3 Costs Inspection and Maintenance ■ „ „ : , .„ References E- 1. F E t. 60 Vehicle: Tracking Control•(VTC) Description CATTLE GUARD A stabilized construction entrance (tracking :pad). is a pad of gravel: or cattle guard where construction traffic leave a site. The purpose of:a stabilized entrance to a site:is to minimize the amount of.tracked mud:and dust that leaves a site. As a vehicle drives over the gravel pad,:mud and sediment are removed from the vehicle's wheelsand.offs'ite:transport of soil is reduced. The gravel pad also reduces:erosion and rutting in the soil beneath_ the stabilized.structure. The filter fabric separates the gravel from the soil below, preventing the gravel from being ground into the soi{. The fabric also reduces the amount of rutting :caused by vehicle tires by spreading the vehicle's weight over a larger soil arta than just the width of the tire; Applicability Typically stabilizing:a construction entrances are installed at locations Where construction.traffic leaves or enters an existing paved road. However, the applicability of site entrance stabilization should be extended to any roadway or entrance where vehicles will access or leave the site. Limitations • Although stabilizing a construction entrance is a good way to help reduce the amount of sediment leaving_a.:site,some soil may still,be,.deposited:from vehicle tires onto paved surfaces: To .further.reduce the.chance of these sediments polluting storm water runoff, sweeping of the paved area adjacent to:the stabilized,site entrance is recommended. • Site traps or other secondary:sediment Centrals are needed to capture that sediment that: accumulates .ii the pad and may.run off-during storm events, 61 Design Criteria :1. a. F '+• `H.: Is's; E?' F 4-EKE i1:•:••l: • ... LIFT RUSHED-ROC SIC..°fia . F . *"-". #t. •. :::t €(•: ?:::: ._ .. Construction Specifications. See.figure-SCE-1 for installation details. If the pad in cotistriteted on a:crowned road,a.road.side ditch.with cheek dams or :sedarrtent.traps:be:.located on both.sides of the road to collect runoff from:the pad.If the road: slopes to only one.side:of the road._then:only one roadisidc:ditch.with sediment controls will be needed: •. Place a matrix of Z.to 4 inch washed stone;.recia ned or recycled-concrete equivalent:to a minimum off 12_feet wide and 20 feet.in tengrh. • All surface:water flhw.ing or diverted toward_construction entrance shall be.piped across the entrance._If piping:is.:impractical, a mountable berm with.5:1 slopes will be permitted. 62 • p �I. ,4-.....-:.,....,....-.:Ye fY .-"�{'t�JF,^,,,e, J K•t, --N$�y1 •,. \ Y•f. H�±i.w S.\ Y'H�4MNr'44,..4.4,-.7-.ar4`+4'{N r-1 1 _ ; � 41S `4 raaI.u`�JW-i s��i�K W.vvY'ry• ,.r ₹t .•,4.,..pin: ?*iti-ati:, ru '.i,':riea 'r':a 4 ₹_ N t 1 �r att n. 'd...:. 719: ::3--61, ,'ei ...-'9:4:,1.4.:,. tlt rin...a�w t . 1. 1 S. I., I I L I T ',..-<.,--..?...1-i E . :1 ._.. .. <:' -.. :.:'1Y. r' r is - •'r_ .�:'M - a:. n i !!v'1 t ''...4. i_:4;:'!.';'4,..'`..-...-,,!:.. .., id- '1! .:.. 1 s tom_ .. rc. a at t .i:_ t. . -,.1.1..niter i.J.N{M. �.•:•—. —.L.A. .4.1—.1.';i F .. '-tom-.:. M.:; ::F ,-,4- . ..R:. O.. t)••.ill• :.1 41,..:,..;::,...:-4, IT: - , t i...t''.L't' - .l". i" Y'. -.. ri,•• . . .. . i ... • .• ,,,:_.... .....i , .....„,. .L___. f .......... . _ .. .. • I- i ... • 1•41.14.4 ==C�_j__ i• I,:;*'..=...'4,.4. 3 r'+.�ti iE-Ti;4t.. L"'v. *, - ' .i•��-....:r:-......«.-.- :---fi: :........„....• 1. • 11....' , 63 Maintenaincc Considerations The frequency of inspections should.be in accordance with the Storm Water Management Plan (SWMP): Stabilization of site entrances should be maintained until the remaindet of the construction site has been fully stabilized. Stone and grave. might need to be periodically added to each stabilized construction site entrance to keep the entrance:effective;. Soil that is tracked. offsite should be swept op:immediately forproper disposal.. References Colorado Department of Transportation (CDOT);_ Erosion Control and Stormwater Quality Guide. 2002. hIt j: :;Av--6,°:dot: 'tdicy L) LF*_n in m.ei to ..el.E p Environmental Protection Agency (EPA), National Pollutant Discharge Elimination .System ( IPDE ). -Cons-it-act-toil Site.S/anni Water Runoff Control,. V_ttashingtan;:DC,February 2003: € Horizon Environmental_ Services, Inc, Guidance Document Reiisonable :aeon Prudent Practices for Siabiiizatiart:(RAPPS)::vf`Oil aid Gas Construction Situ. April:20.04,: 64 Wattles (W) Description. A wattle; (:consist_of straw, rock., flax, or other similar materials bound into ia tight tubular: roll. When wattles are placed at the toe and on the face of:slopes, they :intercept runoff, reduce its flow'velocity, release the runoff as sheet flow, and provide removal of sediment from the runoff By interrupting the length of a:slope; fiber rolls can also reduce erosion. Applicability Wattles may:be°suitable. • Along the top:face,and.:at the grade breaks..of exposed and erodible slopes:to shorten. slope length and spread runoff as sheet flow. • At the.end of a downward slope:Where it transitions to a steeper sope. • .Along the.perimeter of:a.project • At the:overflow locations of s sediment traps.: •: As check dams:iin unlined ditches. • :Around temporary stockpiles: Limitations •: Wattles are not.:effective unless trenched. • Wattles at the toe of the slope greater than.5a:l (HAT) should be a minimum of 20:inch: diameter or installations achieving the:same protection(i;e., stacked smaller diameter wattles, etc.). • Difficult to move once saturated. • if not properly staked and trenched in,wattles could be transported in high flows. • Wattles have a very limited sediment capture zone. • Wattles Should not:.be_used on sloped subject to creep; slumping,or landslide. 65: • Wattles should not be used where periodic road or stirface'maintenance:activities:are expected:. Design.Criteria. 1. r1 }..I 7 _....... .. .,9td6flti- -- t -,:-.W . J . !II!. *. _ .!_eye.': 'w"+�;'T—• ''' � ', 4 ,1 - - .. FF..y FI _A..[ n Wq awls FVL}:"1•'..,}.:tYA'- 11 if 1'.i Construction'Specifications Wattles should.be either prefabricated rolls:or rolled tubes of erosion control: blankets. If using erosion.control.b:lankets,..roll.the length:of erosion_control_blanket, roll the length of the blanket: into a tube'of minimum_ 8" diameter and bind roll at each end and every 4 feet:.along length of roll with jute type twine. See figure W-1 for wattles used to control erosion along slopes. 1:. :Locate wattles on level contours spaced:as follows:: a: Slope.inclination of 4:.1 or flatter-. Fiber rolls should..be placed at a maximum interval of 20 feet. b. Slope melinationn between 4:1. and 11::Fiber rolls should be placed at a maximum of 15 feet: 66 c.. Slope inclination 2;1 or greater: Fiber rolls should be placed at a maximum interval of 10 feet. 2.. Turn the ends of the wattles up slope to prevent runoff from.going around the roll. 3. Stake wattles into a 2.1to 4 inch deep trench with a width equal to the diameter of the wattle: Drive stakes at the Send.of each wattle and spaced 4 feet maximum on.center 4. If more than one wattle:is placed ma.row,the rolls should be overlapped,not abutted. Maintenance:Consideratiofs: The frequency of inspections should be in..accordance with the Storm Water Management Plan (SWMP):. Repair or replace split, torn, unraveling} or slumping rolls. If the wattle is used as a sediment capture device, or as an erosion control device to maintain sheet flows sediment that accumulates must be periodically removed in order to maintain wattle effectiveness. Sediment should be removed when sediment accumulation reaches half the distance between the top of the wattle and the adjacent ground:surface. Removal Wattles are typically left :in place: If wattles are removed, collect and disposed of sediment. accumulation, and fill and compact holes, trenches, depressions, or any other`gorund disturbance to:blend with adjacent:ground. References California Stormwatcr Quality Association, .Sun-nov(aea Best Managemant Practices.(B:tIP}. handbook- 'oivtr rction. January, 2003..<http://www.cabuiphandbooks.comiCo s truc t ion.a sp> 6. Wind Erosion. Control .(WEC) • • • . . .. Description and: Purpose Wind erosion r o :dust:control consists of applying water or other dust palliatives as necessary to: or alleviate dust nuisance generated by_canstructio:n::activities. Covering si�.aIl.:s -preventstockpiles -or-areas-is-art-alternative to.applying Water ot Otherdast palliatives. Suitable Appliea€ ons Wind erosion controls DIVIPs are suitable during the following construction:activities • Construction vehicle tra€fic on unpaved roads • Drilling and.blasting activities- • Sediment tracking onto paved roads • Soils and debris storage piles • B:atch drop from front-end loaders • Areas with unstabiiized soil 68 Final grading/site stabilization Limitations • Watering prevents.dust only for a short period and:sharzld be:applied daily:(or'MOM re: .ofen).'to tie.effective. • Over watering_may cause::erosion; • Oil or oil treated sub grade should not:be.used for.dust.control.because the oil may migrate into drainagcwa_ys.and/or seep into the soil, • Effectiveness depends on.soil, temperature,humidity,and wind:velocity. • Chemically treated sub.grades may make::the:soil water repellant:interfering with long-. :terra infiltration and the vegetation/re-vegetation:ort the sites.. Some chemical dust::suppressants may be:subject:to`freezing.and may contain solvents:and:should.be handled properly. •: Asphalt,as.a.mulch`tack-or chemical tnulch,.requires a.24-hour curing tin .to:.avoid adherence to equipment,worker shoes,.etc. Application should be limited because asphalt surfacing inay ctrenttially.inigrateinto tltl a drainage-system.. •: In.compacted areas, watering and.other:liquid dust control.measures may wash sediment: :or other constituents.into the drainage system. Implementation General Recently; the State :'fir Resources Control Board-.has, cinder the authority of the Clean Air Act, started to address air quality in relation to inhalahle particulate matter less than 1:0 microns(PiVf- 10). Approximately 00 percent of these small particles are considered'to be. dust. Existing dust control regulations by local agencies, municipal cicpartrnent:, public works department, and public health.departments are in place in sctnie'regions within California. Many local agencies require durst:control in.order to comply with local_ nuisance laws,. opacity laws .visibility impairment) and the requirements of the Clean .Air Act_ The following are measures that local agencies may have:already implemented as requirements for dust control from contractors: • Construction and Gtading_Permits: Require prevision for dust control.plants.. • Opacity Emission Limits::. `Enforce compliance with Colorado air pollution control laws, 69 • IncreaseQverall Enforcement Activities:. Priority given to cases involving citizen complaints.. • Maintain Field Application Records:. Require records of(lust control measures firoin contractor; • Stormwater Management Plan(SWMP): integrate dust.couttol Measures into$WMP. Dust Control Practices Dust control BM:Vs generally stabilize exposed surfaces and minimize activities that suspend or track dust particles. For heavily traveled and disturbed areas, wet suppression (watering), chemical dust suppression,: gravel asphalt surfacing; temporary gravel construction entrances, equipment wash-out areas, and haul truck covers lean be employed as dust. control: applications, Permanent or temporary vegetation and mulching:can be employed for areas of occasional or no construction .traffic. Preventive measures would include minimizing surface areas to be disturbed, limiting:.onsite vehicle traffic to. 15 mph, and controlling:the number and activity of vehicles on.a site at any given time.. For chemical stabilization, there are many products: available for chemically stabilizing:gravel roadways and stockpiles. If chemical stabilization is used, the.chemicals should. not Create any adverse effects on Stormwater, plant life,or.groundwater. Costs Installation costs for water and chemical dust suppression are low; but annual costs may be quite high since these measures art effective for only a few hours to a few days. inspection and Maintenance • Inspect and verify that:activity-based BMPs:are in place prior to the commencement,of associated activities. While activities associated with the.BIM are under.way,:inspect:weekly :during:the.rainy season and at two-week intervals in the non-rainy season to verify continued BMMP implementation: • Check areas protected to ensure coverage. • Most dust control measures require frequent, often daily, or multiple times per day attention. 70 APPENDIX Q TRAINING LOGS L" . . C bQ i ! � i.. ( I . . :ale( � ... C is0..tt i . . i w. I • = , • . . . . . • • . c„, , , • . . . . • . . . . . . . . . ... • . . . . . aD • ..a. i I I . . . 1 . . 1 ..... �.....� .�....�...N.i.c r... r Sec. 23-4-830.C.1-13 Standards for Telecommunication Antenna Towers. C. In addition to meeting the Use by Special Review standards set forth in Article II, Division 5 of this Chapter,the applicant shall submit documentation addressing the following standards: 1. Existing or approved TELECOMMUNICATION ANTENNA TOWERS cannot accommo- date the telecommunications equipment planned for the proposed TELECOMMUNICATION ANTENNA TOWER. 2. The TELECOMMUNICATION ANTENNA TOWER shall not constitute a hazard to aircraft. 3. The TELECOMMUNICATION ANTENNA TOWER shall be placed on the property to contain on site all ice-fall or debris from TELECOMMUNICATION ANTENNA TOWER failure. 4. The proposed TELECOMMUNICATION ANTENNA TOWER shall be designed and provide for CO-LOCATION. The Board of County Commissioners may revoke permits or other administrative approvals if conditions for approval of a TELECOMMUNICATION ANTENNA TOWER includes CO-LOCATION,but: a. The TELECOMMUNICATION ANTENNA TOWER owner is not willing to provide space for other carriers at a fair market rate when it would not impair the structural integrity of the TELECOMMUNICATION ANTENNA TOWER or cause interference. b. The TELECOMMUNICATION ANTENNA TOWER owner modifies the structure in a way to make CO-LOCATION impractical or impossible. c. If approval is revoked,the facility must be removed at the owner's expense. 5. The TELECOMMUNICATION ANTENNA TOWER shall have the least practicable adverse visual impact on the environment. 6. The proposed TELECOMMUNICATION ANTENNA TOWER shall not emit radiation that will adversely affect human health. 7. The proposed TELECOMMUNICATION ANTENNA TOWER shall be the minimum height needed to accommodate the TELECOMMUNICATION ANTENNA. 8. The proposed TELECOMMUNICATION ANTENNA TOWER shall comply with all applicable federal and State regulations. 9. The design of the proposed TELECOMMUNICATION ANTENNA TOWER shall insure structural integrity. 10. The proposed TELECOMMUNICATION ANTENNA TOWER shall have adequate measures to discourage unauthorized climbing and to insure the security thereof. 11. All reasonably possible sites for the TELECOMMUNICATION ANTENNA TOWER have been considered, and the proposed site is the most appropriate, available site from a land use perspective. 23-1 ARTICLE IV Supplementary District Regulations and Zoning Permits 12. The proposed TELECOMMUNICATION ANTENNA TOWER shall not adversely impact wildlife. 13. A Decommissioning Plan. Adequate financial assurance to cover the decommissioning of the facility may be required as a condition of approval of the Decommissioning Plan. 23-2 ARTICLE IV Supplementary District Regulations and Zoning Permits Kerr Gee Kerr-McGee Gathering,LLC A subsidiary of Anadarko Petroleum Corporation 1099 18th Street Denver,CO 80202 (720)929-6000 April 16th, 2014 Weld County Department of Planning Services Attn: Diana Aungst 1555 N 17th Avenue Greeley, Co 80631 RE: Communications Tower Questionnaire and Decommissioning Plan St. Vrain Compressor Station Section 15-T3N-R67W: Part of the NW4 Weld County, Colorado USR 14-0013 Dear Ms. Aungst: Here is our Communication Tower response to the questions listed in: 23-4-830.C.1-13 (STANDARDS FOR TELECOMMUNICATION ANTENNA TOWERS) St. Vrain Compressor Station-Questionnaire 1. The existing telecommunication antenna towers cannot accommodate the telecommunication equipment planned for the proposed Communication Tower and may interfere with the frequency used for sending and receiving data 2. The proposed St. Vrain Communication Tower shall not constitute a hazard to aircraft. Unless requested by the Federal Aviation Administration,the tower will not be lit. 3. The proposed Communication Tower shall be placed on the property to contain on site all ice- fall or debris from telecommunication antenna failure. 4. N/A—Previously Answered 5. The proposed Communication Tower shall have the least practicable adverse visual impact on the environment. Please see the USR application for a photo rendering of the tower submitted as part of this application. 6. The proposed Communication Tower shall not emit radiation that will adversely affect human health. 7. The proposed Communication Tower shall be the height of 70 ft. which is the minimum height needed to accommodate the telecommunication antenna. 8. The proposed Communication Tower shall comply with all applicable federal and State regulations. 9. The design of the proposed Communication Tower shall insure and maintain structural integrity. 10. The proposed Communication Tower shall have adequate measures to discourage unauthorized climbing and to insure the security thereof. Kerr Gee Kerr-McGee Gathering,LLC A subsidiary of Anadarko Petroleum Corporation 1099 18th Street Denver,CO 80202 (720)929-6000 11. All reasonably possible sites for the proposed Communication Tower have been considered, and the proposed site is the most appropriate site from a land use perspective by being located on a parcel owned by Anadarko/Kerr-McGee and permitted with a compressor station. 12. The proposed Communication Tower shall not adversely impact wildlife. It will be located within a fenced in facility. 13. N/A—Previously Answered. Decommissioning Plan In the event operations cease at the above referenced site and the communications tower is no longer in use, Anadarko Petroleum/Kerr McGee will remove the communications tower and all of its components. Where possible, materials will be reused or recycled. Where required, waste materials for disposal will be removed by a licensed contractor and transported to a disposal site. KMG will comply with all COGCC regulations concerning site restoration. Should you have any questions or need additional information regarding this matter please do not hesitate to contact me at 720-929-6896. Thank you for your time. Regards, Nathan Keiser Municipal Planning Analyst Anadarko Petroleum Corporation ,,, 'ri1flL, • .i i.' DESIGNED APPURTENANCE LOADING ` ' • i:k - EVAFI0N TYPE EVATION ` —' : A ..«•I N , cr.� r..<.hle LorahD caA@,;; t:o$9 914 0 .. EL EL ,I°� i i • r � (��. .)...,. t p.ea ;.r,.t vps..'Ai 7.9'.MeFaa . :� MATERIAL_STRENGTH I •j j I r GRADE i_ Fu GRADE fY:_ PL .• • - --- 5',a 5 .I :i- .1---',, TOWER DESIGN NOTES 1J ,i • 3 .i . .,..7, •1.Tower des nee for Exb ure C tdtho TlA-222-GSStendard. .I I •.�,I .2-Tower dgylgned fora 9g..mph tiesic wltsl in ect onian+,e wt h the.I lA•222-13 Standard._ I r.-."-r 3. Tdweria-also designedfor a 50 mpll.beak wind with 1.00 in ire.lce:is eeRaideted.to increase in_thickness YAM j • . J height. ev ,' j 4.OeftemGons are:based u mpi-upon a o0 t w!r1d. Br -6.To wec&tructura Glass il. .6.7opdgraphrG Gateggry 1 with Crest Height of.t}{t?t • `'▪�-, 7:Tower is-designed for integral climbing Ladder. • .3:Tuweris;teSigned for integral Teedline tab(s). 1.— :9.All bolted Isea aridfor weld together rawer sections:have Range connections. i . I __r, It 0- Structural torind.:dons.use galvanized_A325 bolls and/or equivalent with OGt5_andfur nutloekblg de yir5s. t+ . . • . •.i Instatlation per TtA/EIA:222.and:AISC.Spec ff goons. 'i. K .t1:Tower:menibers.are"hotdlppeti gatvanized.iltaccordancewliftASThIAl23-and ASTMAl53.Etandards._. i i• • i i t 12.All structural stoat welding wifhe to .omplience with AWS Dl.1 tatcst reaiwion and fabricated with ER•7OS-6 I. =`1 eiectrcdes. .. . . ... . - I i •� • 13: All.anlenna and feedlirie loading is assunted:to gep/eced symelricelly ibout ttte Cerlfto O of'the Structure .• J I I• i I t4. **Preliminary Design-Not For::dnstruction" • JI 1 : : 1:5. Final design may incorporate structure}r to es to i ovG performance,efficient,rind keep:p?cewith changing Industry standards,provided any-Cues changes.wia not adversely aflect tileability to titethe i I 'I :I_•......_I I c>d.Gcl 85 int5hdgd.- • I i • •I tea- . .. . • . i ii •I .i . '3::x .24. 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