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Home My WebLink About20203456.tiff C.. x COLORADO Department of Public Health&Environment Weld County - Clerk to the Board 11500 St PO Box 758 RECEIVED Greeley, CO 80632 November 2, 2020 NOV 16 2020 WELD COUNTY COMMISSIONERS Dear Sir or Madam: On November 3, 2020, the Air Pollution Control Division will begin a 30-day public notice period for PDC Energy, Inc. - Bost Farm 5-7 Pad. A copy of this public notice and the public comment packet are enclosed. Thank you for assisting the Division by posting a copy of this public comment packet in your office. Public copies of these documents are required by Colorado Air Quality Control Commission regulations. The packet must be available for public inspection for a period of thirty (30) days from the beginning of the public notice period. Please send any comment regarding this public notice to the address below. Colorado Dept. of Public Health Et Environment APCD-SS-B1 4300 Cherry Creek Drive South Denver, Colorado 80246-1530 Attention: Public Notice Coordinator ,:61,1:- & c�'O 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe ' ` Jared Polls,Governor I Jill Hunsaker Ryan,MPH, Executive Director ',* * p cat PLCTP), Ht_COS), OGCJM), 1 .,b l i C- R2,v;e.� ) pct.)(Q R I L H ! 3 M I C lS) 2020-3456 iI / a3/to i , II-7Mo 4-141. Air Pollution Control Division Notice of a Proposed Project or Activity Warranting Public C©PHE Comment Website Title: PDC Energy, Inc. - Bost Farm 5-7 Pad - Weld County Notice Period Begins: November 3, 2020 Notice is hereby given that an application for a proposed project or activity has been submitted to the Colorado Air Pollution Control Division for the following source of air pollution: Applicant: PDC Energy, Inc. Facility: Bost Farm 5-7 Pad Exploration Et Production Well Pad NWNW SEC 7 T5N R66W Weld County The proposed project or activity is as follows: Applicant proposes the construction of one condensate tank battery (19WE0975), one produced water tank battery (19WE0976), one loadout point (19WE0977), and three engines (GP02) at a new EEtP facility. The Division has determined that this permitting action is subject to public comment per Colorado Regulation No. 3, Part B, Section III.C due to the following reason(s): • the source is requesting a federally enforceable limit on the potential to emit in order to avoid other requirements The Division has made a preliminary determination of approval of the application. A copy of the application, the Division's analysis, and a draft of Construction Permit 19WE0975 have been filed with the Weld County Clerk's office. A copy of the draft permit and the Division's analysis are available on the Division's website at https://www.colorado.gov/pacific/cdphe/air-permit-public-notices The Division hereby solicits submission of public comment from any interested person concerning the ability of the proposed project or activity to comply with the applicable standards and regulations of the Commission. The Division wilt receive and consider written public comments for thirty calendar days after the date of this Notice. Comments may be submitted using the following options: • Use the web form at https://www.colorado.Qov/pacific/cdphe/air-permit-public-notices. This page also includes guidance for public participation • Send an email to cdphe.commentsapcd@state.co.us • Send comments to our mailing address: Ben Fischbach Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 COLORADO Department of Public 1 I gyp°"E Health Fr Environment •M:•x COLORADO '44* 1 _ Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado CONSTRUCTION PERMIT Permit number: 19WE0975 Issuance: 1 Date issued: Issued to: PDC Energy, Inc. Facility Name: Bost Farm 5-7 Pad Plant AIRS ID: 123/A099 Physical Location: NWNW SEC 7 T5N R66W County: Weld County Description: Well Production Facility Equipment or activity subject to this permit: Facility AIRS Emissions Control Equipment Point Equipment Description Description ID TNK 1-8 001 Eight (8) 400 barrel fixed roof storage Enclosed Flare vessels used to store condensate 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 seq), to the specific general terms and conditions included in this document and the following specific terms and conditions. REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. Within one hundred and eighty days (180) of the latter of commencement of operation or issuance of this permit, compliance with the conditions contained in this permit must 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. A self certification form and guidance on how to self- certify compliance as required by this permit may be obtained online at www.colorado.gov/cdphe/air-permit-self-certification. (Regulation Number 3, Part B, Section III.G.2.) 2. This permit must 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 Page 1 of 14 COLORADO 4. Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado 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. (Regulation Number 3, Part B, Section III.F.4.) 3. Upon issuance of this permit, the owner or operator must install equipment necessary to monitor control device pilot light status and auto-igniter status as described in this permit. 4. The operator must 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. (Regulation Number 3, Part B, Section III.E.) 5. The operator must 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 6. Emissions of air pollutants must not exceed the following limitations. (Regulation Number 3, Part B, Section II.A.4.) ) Annual Limits: Facility AIRS Tons per Year Emission Equipment ID Point PM2.5 NO. VOC CO Type TNK 1-8 001 --- 1.5 16.7 6.8 Point Note: 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 must not exceed 8.0 tons per year. Facility-wide emissions of total hazardous air pollutants must not exceed 20.0 tons per year. The facility-wide emissions limitation for hazardous air pollutants must apply to all permitted emission units at this facility. Compliance with the annual limits, for both criteria and hazardous air pollutants, must 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 must calculate actual emissions each month and keep a compliance record on site or at a local field office with site responsibility for Division review. 7. The owner or operator must use the emission factors and calculation methods found in "Notes to Permit Holder" to calculate emissions and show compliance with the limits. The owner or operator must submit an Air Pollutant Emission Notice (APEN) and receive a modified permit prior to the use of any other method of calculating emissions. 8. The emission points in the table below must be operated and maintained with the emissions control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit. (Regulation Number 3, Part B, Section III.E.) Page 2 of 14 C _ ,,,...,:. COLORADO 410 '`4116w Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado Facility AIRS Pollutants Equipment Point Control Device Controlled ID Emissions from the storage vessels are routed to a sales pipeline through the use of a vapor recovery unit (VRU). During VRU downtime, emissions are routed to a bank TNK 1-8 001 of six (6) enclosed combustors. The VRU VOC and HAP has a maximum of 10% annual downtime. Make: IES, Model: 96", SNs: 96-03-0131, 96- 03-0134, 96-03-0135, 96-03-0136, 96-03- 0137, 96-03-0138 PROCESS LIMITATIONS AND RECORDS 9. This source must be limited to the following maximum processing rates as listed below. Monthly records of the actual processing rates must be maintained by the owner or operator and made available to the Division for inspection upon request. (Regulation Number 3, Part B, II.A.4.) Process Limits Facility AIRS Equipment Point Process Parameter Annual Limit ID Total condensate throughput 3,800,344 barrels TNK 1-8 001 Condensate throughput during VRU downtime 380,034 barrels The owner or operator must monitor monthly process rates based on the calendar month. Compliance with the annual throughput limits must 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 must calculate throughput each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. 10. The owner or operator must monitor and record VRU downtime on a daily basis. VRU downtime shall be defined as times when emissions from the condensate storage vessels are routed to the enclosed combustor(s) rather than the VRU. The total hours of VRU downtime, total condensate throughput volume, and total condensate throughput volume during VRU downtime, must be recorded on a monthly basis. The owner or operator must use monthly VRU downtime records, monthly condensate throughput volume records, and the calculation methods established in the Notes to Permit Holder to demonstrate compliance with the process and emission limits specified in this permit. 11. On a minimum of an hourly basis, the owner or operator shall monitor the enclosed combustors for the presence of a pilot light and an operational auto-igniter on each device. These monitoring records shall be used to calculate enclosed combustor downtime. During periods without the presence of a pilot light and/or an operational auto-igniter and simultaneous VRU Page 3 of 14 _. ...y,....1.. COLORADO Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado downtime, the flow volume from emissions source(s) shall be assigned a 0% control efficiency. These monitoring records must be maintained for a period of five (5) years, and a summary of monthly pilot light downtime and vapor flow during pilot light downtime shall be provided to the division upon request. STATE AND FEDERAL REGULATORY REQUIREMENTS 12. The permit number and ten digit AIRS ID number assigned by the Division (e.g. 123/4567/001) must be marked on the subject equipment for ease of identification. (Regulation Number 3, Part B, Section III.E.)E.) (State only enforceable) 13. This source is subject to the odor requirements of Regulation Number 2. (State only enforceable) 14. This source is subject to Regulation Number 7, Part D, Section I. The operator must comply with all applicable requirements of Section I and, specifically, must: • Comply with the recordkeeping, monitoring, reporting and emission control requirements for storage tanks; and • Ensure that the combustion device controlling emissions from this storage tank be enclosed, have no visible emissions, and be designed so that an observer can, by means of visual observation from the outside of the enclosed combustion device, or by other means approved by the Division, determine whether it is operating properly. (Regulation Number 7, Part D, Section I.C.) (State only enforceable) 15. The combustion device covered by this permit is subject to Regulation Number 7, Part D, Section II.B.2. General Provisions (State only enforceable). If a flare or other combustion device is used to control emissions of volatile organic compounds to comply with Section II, it must be enclosed; have no visible emissions during normal operations, as defined under Regulation Number 7, Part D, Section II.A.23; and be designed so that an observer can, by means of visual observation from the outside of the enclosed flare or combustion device, or by other convenient means approved by the Division, determine whether it is operating properly. This flare must be equipped with an operational auto-igniter according to the schedule in Regulation Number 7, Part D, Section II.B.2.d. 16. The storage tank covered by this permit is subject to the emission control requirements in Regulation Number 7, Part D, Section II.C.1. The owner or operator must install and operate air pollution control equipment that achieves an average hydrocarbon control efficiency of 95%. If a combustion device is used, it must have a design destruction efficiency of at least 98% for hydrocarbons except where the combustion device has been authorized by permit prior to March 1, 2020. The source must follow the inspection requirements of Regulation Number 7, Part D, Section II.C.1.d. and maintain records of the inspections for a period of two years, made available to the Division upon request. This control requirement must be met within 90 days of the date that the storage tank commences operation. 17. The storage tanks covered by this permit are subject to the venting and Storage Tank Emission Management System ("STEM") requirements of Regulation Number 7, Part D, Section II.C.2. 18. On or before June 30th, 2021 (and on June 30th each year thereafter), the owner or operator of oil and natural gas operations and equipment at or upstream of a natural gas processing Page 4 of 14 -.iv, COLORADO 4110 Air Pollution Control Division COPti£' Department of Pubic Health Fr r`,.nvironment Dedicated to protecting and improving the health and environment of the people of Colorado plant in Colorado must submit a single annual report that includes actual emissions and specified information in the Division-approved report format. The information included in the annual report must be in accordance with the general reporting requirements of Regulation Number 7, Part D, Section V.B. Beginning July 1, 2020, and each calendar year thereafter, owners or operators must maintain the information according to Regulation Number 7, Part D, Section V.C. for inclusion in the annual report. (Regulation Number 7, Part D, Section V) OPERATING £t MAINTENANCE REQUIREMENTS 19. Upon startup of these points, the owner or operator must follow the most recent operating and maintenance (O&M) plan and record keeping format approved by the Division, in order to demonstrate compliance on an ongoing basis with the requirements of this permit. Revisions to the 0 tm plan are subject to Division approval prior to implementation. (Regulation Number 3, Part B, Section III.G.7.) COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 20. The owner or operator must complete site specific sampling including a compositional analysis of the pre-flash pressurized condensate routed to these storage tanks and, if necessary for emission factor development, a sales oil analysis to determine RVP and API gravity. Testing must be in accordance with the guidance contained in PS Memo 05-01. Results of testing must be used to determine site-specific emissions factors for VOC and Hazardous Air Pollutants using Division approved methods. Results of site-specific sampling and analysis must be submitted to the Division as part of the self-certification and used to demonstrate compliance with the emissions factors chosen for this emissions point. 21. The owner or operator must demonstrate compliance with opacity standards, using EPA Reference Method 22, 40 C.F.R. Part 60, Appendix A, to determine the presence or absence of visible emissions. "Visible Emissions" means observations of smoke for any period or periods of duration greater than or equal to one minute in any fifteen-minute period during normal operation. (Regulation Number 7, Part D, Sections I.C, II.B.2. and II.A.23) 22. The owner or operator must conduct an initial source compliance test to measure the mass emission rates of the pollutants listed below, demonstrate compliance with the VOC emissions limit in this permit, and to demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC). During the test, the owner or operator must measure: • mass emission rates of VOC at the inlet of the control device (M1) using EPA or other division approved methods; . • mass emission rates of VOC at the outlet of the control device (M0) using EPA or other division approved methods; and • mass emission rates of NOx and CO at the outlet of the control device using EPA or other division approved methods. Additionally, the following parameters may be required to be measured during the test: • combustion chamber temperature; • gas flow rate; Page 5 of 14 •x,1 COLORADO Air Pollution Control Division Department of Public Health Er Environment Dedicated to protecting and improving the health and environment of the people of Colorado • supplemental fuel flow rate; • gas heat content; and • gas composition. The destruction efficiency (DE) for VOC must be calculated using the following equation: DE (%) = 100*(M-Mo)/Mi The test protocol, test, and test report must be in accordance with the requirements of the Air Pollution Control Division Compliance Test Manual. The test protocol must include testing under all operating scenarios of the control device. The test protocol must be submitted to the Division for review and approval at least thirty (30) days prior to testing. No compliance test will be conducted without prior approval from the Division. Within thirty (30) days following completion of the test(s), a compliance test report must be submitted to the Division for review. Additional time may be granted upon written request. Any compliance test conducted to demonstrate compliance with a monthly or annual emission limitation shall have the results projected up to the monthly or annual averaging time by multiplying the test results by the Process Limit(s) for that averaging time as indicated in the Process Limitations and Records section of this permit. (Regulation Number 3, Part B., Section III.G.3) Results of the initial compliance tests must be submitted to the Division as part of the self- certification. Actual emissions calculations must be completed in accordance with the "Notes to Permit Holder" section of this permit. If the results of the initial compliance test do not demonstrate compliance with the emissions limits contained within this permit or do not demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC) for each operating scenario, the owner or operator must submit to the Division within 60 days, or in a timeframe as agreed to by the Division, a request for permit modification to address these inaccuracies. Periodic Testing Requirements 23. On an annual basis, the owner or operator must complete a site specific analysis ("Analysis"), including a compositional analysis of the pre-flash pressurized hydrocarbon liquid routed to the equipment covered in this permit. Testing must be in accordance with the guidance contained in PS Memo 05-01. Results of the Analysis must be used to demonstrate that the emissions factor established through the Analysis is less than or equal to the emissions factor submitted with the permit application and established herein in the "Notes to Permit Holder" for this emissions point. If any site specific emissions factor developed through this Analysis is greater than the emissions factors submitted with the permit application and established in the "Notes to Permit Holder" the operator must submit to the Division within 60 days, or in a timeframe as agreed to by the Division, a request for permit modification to address these inaccuracies. 24. On an annual basis, the owner or operator must conduct a source compliance test to measure the mass emission rates of the pollutants listed below, demonstrate compliance with the VOC emissions limit in this permit, and to demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC). During the test, the owner or operator must measure: • mass emission rates of VOC at the inlet of the control device (Mi) using EPA or other division approved methods; Page 6 of 14 Aal .r.•. COLORADO Air Pollution Control Division I COPHE` Department of Pubisc Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado • mass emission rates of VOC at the outlet of the control device (M0) using EPA or other division approved methods; and • mass emission rates of NOx and CO at the outlet of the control device using EPA or other division approved methods. Additionally, the following parameters may be required to be measured during the test: • combustion chamber temperature; • gas flow rate; • supplemental fuel flow rate; • gas heat content; and • gas composition. The destruction efficiency (DE) for VOC must be calculated using the following equation: DE (%) = 100*(M;-Mo)/M; The test protocol, test, and test report must be in accordance with the requirements of the Air Pollution Control Division Compliance Test Manual. The test protocol must include testing under all operating scenarios of the control device. The test protocol must be submitted to the Division for review and approval at least thirty (30) days prior to testing. No compliance test will be conducted without prior approval from the Division. Within thirty (30) days following completion of the test(s), a compliance test report must be submitted to the Division for review. Additional time may be granted upon written request. Any compliance test conducted to demonstrate compliance with a monthly or annual emission limitation shall have the results projected up to the monthly or annual averaging time by multiplying the test results by the Process Limit(s) for that averaging time as indicated in the Process Limitations and Records section of this permit. (Regulation Number 3, Part B., Section III.G.3) Actual emissions calculations must be completed in accordance with the "Notes to Permit Holder" section of this permit. If the results of the annual compliance test do not demonstrate compliance with the emissions limits contained within this permit or do not demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC) for each operating scenario, the owner or operator must submit to the Division within 60 days, or in a timeframe as agreed to by the Division, a request for permit modification to address these inaccuracies. ALTERNATIVE OPERATING SCENARIOS 25. The control device may be replaced with a like-kind control device in accordance with the requirements of Regulation 3, Part A, Section IV.A and without applying for a revision to this permit or obtaining a new construction permit. A like-kind control device shall be the same make and model as authorized in this permit. All control device replacements installed and operated as authorized by this permit must comply with all terms and conditions of this construction permit. The owner or operator shall maintain a log on-site or at a local field office to record the start and stop dates of any control device replacement, the manufacturer, model number and serial number of the replacement control device. Page 7 of 14 CCOLORADO 4. Air Pollution Control Division t 1 Department cf Pubhc Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado 26. An Air Pollutant Emissions Notice (APEN) that includes the specific manufacturer, model, and serial number of the replacement control device must be filed with the Division within 14 calendar days of commencing operation of a replacement control device under the Alternative Operating Scenario provision. The APEN must be accompanied by the appropriate APEN filing fee and a cover letter explaining that the owner or operator is exercising an Alternative Operating Scenario and has replaced the control device. 27. Within one hundred and eighty days (180) of startup of the replacement control device in accordance with the Alternate Operating Scenario provision, the owner or operator must conduct an initial source compliance test to measure the mass emission rates of the pollutants listed below, demonstrate compliance with the VOC emissions limit in this permit, and to demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC). During the test, the owner or operator must measure: • mass emission rates of VOC at the inlet of the control device (M) using EPA or other division approved methods; • mass emission rates of VOC at the outlet of the control device (M0) using EPA or other division approved methods; and • mass emission rates of NOx and CO at the outlet of the control device using EPA or other division approved methods. Additionally, the following parameters may be required to be measured during the test: • combustion chamber temperature; • gas flow rate; • supplemental fuel flow rate; • gas heat content; and • gas composition. The destruction efficiency (DE) for VOC must be calculated using the following equation: DE (%) = 100*(M1-Ma)/M1 The test protocol, test, and test report must be in accordance with the requirements of the Air Pollution Control Division Compliance Test Manual. The test protocol must include testing under all operating scenarios of the control device. The test protocol must be submitted to the Division for review and approval at least thirty (30) days prior to testing. No compliance test will be conducted without prior approval from the Division. Within thirty (30) days following completion of the test(s), a compliance test report must be submitted to the Division for review. Additional time may be granted upon written request. Any compliance test conducted to demonstrate compliance with a monthly or annual emission limitation shall have the results projected up to the monthly or annual averaging time by multiplying the test results by the Process Limit(s) for that averaging time as indicated in the Process Limitations and Records section of this permit. (Regulation Number 3, Part B., Section III.G.3) Actual emissions calculations must be completed in accordance with the "Notes to Permit Holder" section of this permit. If the results of the initial compliance test do not demonstrate Page 8 of 14 ,.r•t COLORADO 40 Air Pollution Control Division Ntife Department of Public Health b Environment Dedicated to protecting and improving the health and environment of the people of Colorado compliance with the emissions limits contained within this permit or do not demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC) for each operating scenario, the owner or operator must submit to the Division within 60 days, or in a timeframe as agreed to by the Division, a request for permit modification to address these inaccuracies. ADDITIONAL REQUIREMENTS 28. A revised Air Pollutant Emission Notice (APEN) must be filed: (Regulation Number 3, Part A, II.C.) • Annually by April 30th whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For volatile organic compounds (VOC) and nitrogen oxides sources (NOr) in ozone nonattainment areas emitting less than 100 tons of VOC or NO,t per year, a change in annual actual emissions of one (1) ton per year or more or five percent, whichever is greater, above the level reported on the last APEN; or 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. • Whenever there is a change in the owner or operator of any facility, process, or activity; or • Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or • Whenever a permit limitation must be modified; or • No later than 30 days before the existing APEN expires. 29. The requirements of Colorado Regulation No. 3, Part D must apply at such time that any stationary source or modification becomes a major stationary source or major modification solely by virtue of a relaxation in any enforceable limitation that was established after August 7, 1980, on the capacity of the source or modification to otherwise emit a pollutant such as a restriction on hours of operation (Reference: Regulation Number 3, Part D, V.A.7.B). 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 Page 9 of 14 Cf%,..t. COLORADO tU Air Pollution Control Division Department of Public Health b Environment Dedicated to protecting and improving the health and environment of the people of Colorado Regulation Number 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 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 Number 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 must constitute a rejection of the entire permit and upon such occurrence, this permit must 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. Page 10 of 14 C _,„,,.. ..1.,.1 COLORADO iiJfAir Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado By: DRAFT Ben Fischbach Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to PDC Energy, Inc. New Synthetic Minor Facility Page 11 of 14 COLORADO 410 Air Pollution Control Division Department of public Health Fr Environment Dedicated to protecting and improving the health and environment of the people of Colorado 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 must pay the invoice within 30 days of receipt of the invoice. Failure to pay the invoice will result in revocation of this permit. (Regulation Number 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 must 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: https://www.colorado.gov/pacific/cdphe/aqcc-regs 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. AIRS Uncontrolled Controlled Point Pollutant CAS # Emissions Emissions (lb/yr) (Ib/yr) Benzene 71432 410,767 822 Toluene 108883 456,269 913 Ethylbenzene 100414 16,637 33 001 Xylenes 1330207 176,797 354 n-Hexane 110543 3,312,368 6,625 2,2,4- 540841 4,437 9 Trimethylpentane Note: All non-criteria reportable pollutants in the table above with uncontrolled emission rates above 250 pounds per year (lb/yr) are reportable and may result in annual emission fees based on the most recent Air Pollution Emission Notice. 5) The emission levels contained in this permit are based on the following emission factors: Uncontrolled Controlled CAS # Pollutant Emission Factors Emission Factors Source lb/bbl lb/bbl NOx 0.0079 0.0079 AP 42 CO 0.0359 0.0359 VOC 4.39 8.78 * 10-2 71432 Benzene 1.081 * 10-1 2.162 * 10-3 Promax Page 12 of 14 -r..�x• COLORADO Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado Uncontrolled Controlled CAS # Pollutant Emission Factors Emission Factors Source lb/bbl lb/bbl 108883 Toluene 1.201 * 10-1 2.401 * 10-3 100414 Ethylbenzene 4.378 * 10"3 8.755 * 10"5 1330207 Xylene 4.652 * 10-2 9.304 * 10"4 110543 n-Hexane 8.716 * 10-1 1.743 * 10-2 540841 2, 1.167 1.167 * 10-3 2.335 * 10-5 Trimethylpentane Note: The controlled emissions factors for this point are based on a control efficiency of 98%during VRU downtime and a control efficiency of 100%during VRU uptime, with an annual VRU downtime of 10%, or 876 hours. NOx and CO emission factors are based on a gas heat content of 2,623 Btu/scf, and 10%of annual condensate throughput to account for VRU downtime and ECD uptime (i.e. NOx and CO emission factors are in terms of lb per barrel during VRU downtime). Actual controlled emissions shall be calculated using the following method: Actual Emissions= [(V total—VPLX) x EF x (100%—CE)]+[VPLX x EF] where: Vtotal =Total volume of condensate throughput during VRU downtime (bbl) VPLX =Total volume of condensate throughput during VRU downtime and while pilot light was not lit or auto-igniter was not operational (bbl) EF =Most recent approved uncontrolled emission factor(lb/bbl) CE =98% 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 must 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 permit fulfills the requirement to hold a valid permit reflecting the storage tank and associated control device per the Colorado Oil and Gas Conservation Commission rule 805b(2)(A) when applicable. 8) This facility is classified as follows: Applicable Status Requirement Operating Permit Synthetic Minor Source of: VOC, CO, NOx, Benzene, Toluene, Xylenes, n-Hexane, Total HAP PSD Synthetic Minor Source of: VOC NANSR Synthetic Minor Source of: VOC, NOx MACT HH Not Applicable Page 13 of 14 COLORADO Air Pollution Control Division '4416Pv Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado 9) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://www.ecfr.gov/ Part 60: Standards of Performance for New Stationary Sources NSPS 60.1-End Subpart A - Subpart UUUU 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 MMMMM MACT 63.8980-End Subpart NNNNN - Subpart XXXXXX Page 14 of 14 Colorado Air Permitting Project PRELIMINARY ANALYSIS-PROJECT SUMMARY Project Details For Division Use Only Review Engineer: Ben Fischbach Package#: 420362 Received Date: 10/8/2019 Review Start Date: 1/29/2020 Section 01-Facility Information Company Name: PDC Energy Inc Quadrant Section Township Range County AIRS ID: 123 NWNW 7 5N 66 Plant AIRS ID: A099 Facility Name: Bost Farm 5-7 Pad Physical Address/Location: .. _ County: Weld County Type of Facility: Exploration&Production Well Pad What industry segment?Oil&Natural Gas Production&Processing Is this facility located in a NAAQS non-attainment area? Yes If yes,for what pollutant? Ozone(NOx&VOC) Section 02-Emissions Units In Permit Application Leave Blank-for Division Use Only AIRS Point# Permit# Emissions (Leave blank unless Issuance Self Cert Engineering (Leave blank unless APCD Emissions Source Type Equipment Name - Action has already assigned) Control? APCD has already # Required? Remarks assigned) Permit Initial 001 Condensate Tank TNK 1-8 Yes 19WE0975 1 Yes. Issuance Permit Initial 002 Produced Water Tank PW 1-2 Yes 19WE0976 1 Yes Issuance Permit Initial 003 Liquid Loading LOAD-1 Yes 19WE0977 1 Yes Issuance Section 03-Description of Project SRC Energy has submitted APEN5 for the following new sources at the newly constructed Bost Farm 5-7 Pad Facility in Weld County: Three(3)SI RICE Engines(permitted underGP02) One(1)Condensate Tank Battery One(1)Produced Water Tank Battery One(1)Loadout operation. The facility is synthetic minor for VOC,CO,n-Hexane,and Total HAPs(wrt TV permitting thresholds);facility is synthetic minor for VOC(wrt NANSR and PSD thresholds). Sections 04,05&06-For Division Use Only Section 04-Public Comment Requirements Is Public Comment Required? Yes If yes,why? Requesting Synthetic Minor Permit. Section 05-Ambient Air Impact Analysis Requirement Was a quantitative modeling analysis required? No If yes,for what pollutants? If yes,attach a copy of Technical Services Unit modeling results summary. Section 06-Facility-Wide Stationary Source Classification Is this stationary source a true minor? No Is this stationary source a synthetic minor? 'Yes If yes,indicate programs and which pollutants: 502 NOx CO VOC PM2.5 PM10 TSP HAPs Prevention of Significant Deterioration(P5D) I Title V Operating Permits(OP) L _ ✓ ✓ ❑J Non-Attainment New Source Review(NANSR) ✓ Is this stationary source a major source? No If yes,indicate programs and which pollutants: SO2 NOx CO VOC PM2.5 PM10 TSP HAPs Prevention of Significant Deterioration(P5D) - r- Title V Operating Permits(OP) ❑ Non-Attainment New Source Review(NANSR) 2310,4›.E .e ::b'_': . Section 01-Administrative Informaion Facility AIRS ID: ` 4093 001 County Plant Point Section 02-Equipment Description Details Detailed Emissions Unit Eight(8)400 bbl Condensate Storage Tanks Description: - Emission Control Device Tanks are connected Loa VRU with 90%uptime,'10%downtime.During VFW downtime,emissions routed to six(6) Description: standard ECDs(IES Requested Overall VOC&HAP Control Combined Efclency of Processes.01+02 Efficiency°A: 99.80% Section 03-Processing Rate Information for Emissions Estimates Primary Emissions-Storage Tank(s) Total(Process 01+Process 02) - ActualCondensateThroughput= 3,166,934 Barrels(bbl)per year Actual Condensate Throughput While Emissions Controls Operating= 3,106,934 Pamela(bbl)per year 'Requested Permit Limit Throughput= 3,800,344 Barrels(bbl(per year Requested Monthly Throughput= 1_1,, Barrels(bbl(per month Potential to Emit(PTE( Condensate Throughput= 3,800,344 Barrels(bbl)per year Process Dl(emissions routed to 090) Actual Condensate Throughput= 2,850,241 Barrels(bbl)per year Actual Condensate Throughput While Emissions Controls Operating= 2,850,241 panels(bbl)per year 'Requested Permit Limit Throughput= -3,420,309 Barrels(bbl)per year Requested Monthly Throughput= v'.*.. Barrels(bbl)per month Potential to Emit(PTE) Condensate Throughput= 3,420,309 Barrels lbbi)per year Requested Overall VOC&HAP Control Efficiency 0: 100% Process 02(emissions rooted to Enclosed Flare) Actual Condensate Throughput= 316,693 Barrels(bbl)Per Year Actual Condensate Throughput While Emissions Controls Operating= 316,693 Barrels(boll per Year (Requested Permit Limit Throughput= 380,034 Barrels(bbl)per year Requested Monthly Throughput= ._. Bartels(bbl)per month Potential to Emit(PTE) CondensateThroughput= 380,034 Barrels(bbl)per year Requested Overall VOC&HAP Control • Efficiency%: 90% Secondary Emotions from Process 02-Combustion Device(s) Heat content of waste gas 2622.76 Btu/scf Volume of waste gas emitted per BBL of liquids produced= 425 scf/bbl Actual Annual Volume of Annual waste gas vo lume calculations are based Waste Gas emitted leer on Me operate'es calculation method;which is Operator Calss) 14.3892855 MMscf/yr lightly conservative when compared to Reg Annual Volume of traditional PA calculation method,and is Wane Gas emitted(Per Operator Calw) 17.135655 MMscf/yr acceptable. Requested Annual Pilot Volume 0.657 MMscf/yr Pilot Fuel HHV 1125 Btu/scf Actual heat content of waste gas routed to combustion device= ... MMBTU per year Requested heat content of waste gas routed to combustion device= - • MMBTU per year Potential to Emit(PTE)heat content of waste gas routed to combustion device= .'-3.MMBTU per year Section 0e-Emissions Factors&Methodologies t ✓ Will this storage tank emit flash emissions, Pollutant Emission Factor Source (Condensate (Condensate Througiyot) Throuehput) 5. ® 6p Hie P(ipl ® 5 '®fS J �'. ® o5Po 31Ou .i _ ® 5ce i62 (inclpd ) Ei2MIIIIEEEMM® aSpa4M 6.F.linet desk h„ �'3cecmcE.F.bicl dea-flasfi)^1' 414410',,,664,;,g5645v#00pAp,Afgwipwliclic#11,""0"04176,4?,iii.90,40- Fara �eti [[PP��22,,ff3ti 3ti44','�g�ffY�a'yypp�� 1 � �✓GTIA'jSi3'$5HiXY."n , ! • RellatiffIrIMMOVENSU Precess.02(ne Enclosed Flarel Uncontrolled Controlled Pollutant (Ib/hb1) )Ib/hhl) Emission Factor Source (Condensate (Condensate Throughput( Throughput) EWE=MEE. MMEIMMMINEZECIM ME= .. "n T, Pollutant (lb/MMBtu) (lb/bbl) Emission Factor Source • (wane heat (Condensate combusted) Throughput) 0.0075 Teb1 iC4-2:(PM10/6M.2.5) . :2330.0075 - IMMEMP' 2T blr 4-2(PMtV/PM.2.5) ®' 0 0600 NEE= 42 eh ptec 33.5 Industrial Flares(M2z) 0.3100 =ES=ecla: ch• In •IFl r ')•) 2 of 6 K:\PA\2019\19WE0975.CP1 __+..,. T n,r(c) Section OS-Emissions Inventory Potential to Emit Actual Emissions Requested Permit Limits Requested Monthly Limits Criteria Pollutants Uncontrolled Uncontrolled Controlled Uncontrolled Controlled Controlled (tons/Year) (tons/year) (tons/year) (tons/year) (tons/year) (lbs/month) VOC :306.3 6055.22 i3.1_ 9346,33 16.01 '33l PM10 1.: 2 h, PM2,5 y.,. u .3.9$ C 2._ •5 NOx 135 031 ',.91 1.52 10 CO 1.00 0.96 .,9,. 6.32 5.8; Potential to Emit Actual Emissions Requested Permit Limits Hazardous Air Pollutants Uncontrolled Uncontrolled Controlled Uncontrolled Controlled Overall Combustion EFs fibs/year) fibs/year) llbs/year) (Ibs/year) (Ibs/year) 1•'• - o.0079 IL/bbl N01 Benzene 31076' 342673 _ 31076' 032. 0.0359 lb/bbl CO Toluene -166:i0 30+;799 '60 uy.:208 314 Ethylbenzene 3=463 13164 29 od E' 33 Combustion factors are based on Xylene 1-6,3 7 13730„ _Is _'b'9.- 3S+ throughput during VFW n-Hexane 33123.8 716.0234, ., 13,2190 $173 downtime(not total throughput) 224 TMP 1991a_, a • Section 06-RegulatonnSummarvAnal•sa_is Regulation 3,Parts A,B ..,.,e c.. Regulation 7,Section Xll.C,N.E.F 1tor age,.,.s im,,,. gatiC114cm 0,0.2 Regulation 7,Section Xll.0,C 54,0,Y•:1 Regulation 7,Section XVII.0,Cl,, C.3 .,..s. ...F+......-. ,.c. ....,:;8...3::.: Regulation 7,Section XVII,C.2 7:1,040 _, m,,.^ +.•, Regulation 6,Part A,NIPS Subpart Kb Sc,,age'az*.n e,n+i ci.,:'1,''<P5 Regulation 6,Part A,NIPS Subpart 0000 csorry, 7 c, :.315 CuO2 N5P5Subpart 00003 Regulation B,Part E,MACE Subpart HH '- (See regulatory applicability worksheet for detailed analysis) + Section 07-Initial and Periodk Sampling and Testing Requirements Does the company use the state default emissions factors to estimate emissions? If yes,are the uncontrolled actual or requested emissions estimated to begreeterthan or equal to 80 tons VOC per year? If yes,the permit will contain en"Initial Compliance"testing requirerent to develop a site specific emissions factor based on guidelines in PS Memo 05-01. Does the company use site specific emissions factor to estimate emissions? If yes and f there are flash emissions,are the emissions factors based on a pressurized liquid sample drawn at the >d facility being permitted?This sample should be considered representative which generally means site-specific and collected within one year of the application received date.However,If the facility has not been modified(e.g.,n0 new wells brought on-linte),then it maybe appropriate to use an older site-specific sample, Yes If no,the permit will contain en"Initial Compliance"testing requirement to develop a site specific emissions factor based on guidelines in PS Memo 0401. Does the company request a control deuce efficiency greater than 95%for a flare or combustion device? Yes If yes,the permit will contain and Initial compliance test condition to demonstrate the destruction efficiency of the combustion device based on inlet and outlet concentration sampling Section 08.Technical Analysis Notes Thetanks at this f Ity are primarily controlled by aVRU,with vapors only being routed tnEC010%ofthetime(10%downtime assumed.VRU).ECD is granted a 98%control efflclnecyduring VRU dowmime,which will be verified by annual stack testing requirements. As-the ECD which controls these tanks also controls the produced water tank battery,all pilot light emissions have been accounted for on this point and not • • Section 09.Inventor/50C Coding and Emissions Factors Uncontrolled Emissions AIRS Pointy 5CC Code 4 zrS Pollutant Factor Control% Units 001 b „s.'.°[q`-"v,,,t:",°ls.•':-.�rkT;,'„"es';` ' 'rJL'i'..2:r'at--`1d4„,,. ,•.. PM30 0,02 0 b/1,000 gallons condensate throughput r PM2.5 0.02 0 b/1,000 gallons condensate throughput NOx 0.19 0 b/1,000 gallons condensate throughput VOC 104.6 100 6/1,000 gallons condensate throughput CO 0.85 0 6/1,000 gallons condensate throughput Benzene 2.57 100 6/1,000 gallons condensate throughput Toluene 2.86 100 6/1,000 gallons condensate throughput Ethylbenzene 0.10 100 6/1,000 gallons condensate throughput Xylene 1.11 100 6/1,000 gallons condensate throughput n-Hexane 20.75 100 6/1,000 gallons condensate throughput 224 TMP 0107 100 6/1,000 gallons condensatethroughput 3 006 K:\PA\2019\19WE0975.CP1 • Condensate Tank Regulatory Analysis Worksheet - The regulatory requirements below are determined based on requested emissions. Colorado Re:ulation3 Parts A and B-OPEN and Permit Requirements ll -,iha Nen.r'telnn',enni/.00 I ATTAINMENT I Are uncontrolled actual emissionsfromany criteriapollutants f th.individual source greater than 2 TPY(Regulation 3,Part A,Section IlOla)? 2. the construction date(service date)prior to 12/30/2002 and riot modified after 12/31/2002(See PS Menlo 05-01 Definitions 1.12 and114 and Section 2 for addltionalgudance on grandfather applicability)? 3 Aretotalfacility uncontrolled VOC emissions greater than 5TP/s NOx greater than 10TPY or CO omissions greater than IOTPY(Regulation 3,Part B,Section 11.0.3)? NON-ATTAINMENT 1. Are uncontrolled emissions from any criteria pollutants from this individual source greater than 1TPY(Regulation 3,Part A,Section 11.D,1.a)? :Yes Source Requires an APEN.Gato 2. Is the construction date(service date)prlorta 12/30/2002 and not modified after 12/31/2002(See PS Memo 05-01 Definitions 1.1.2 andl.14 and Section 2 for additional guidance on grandfather applicability)? No Go to next question 3. Aretatal facility ancontralled VOC emissions greater than 2TPY,NOx greater than 5TPY or CO emissions greater than 10TPy(Regulation 3,Part B,Section/I.D.2)? Yes Source Requires a permit IVerir.mal.,a permit Colorado Regulation],Section XII.C-F 1. Bthis storagetaak located in the 8-hr axone control area or any ozonenan-attalnquart area or attainment/maintenance area? Continue-You havelndicatedth 2. isthis storage tank locatedat an oil and gas exploration and production operationt,natural gas compressor station or natural gas dripstatian? Continue-You have indicatedth 3 the storage t k locatedupstre f a natural gas processing plant? Yes • Source Is subject Section XII.C.1-General Requirements for Air Pollution Control Equipment-Prevention of leakage Section%II.C.e-Emission Estimation Procedures Section X11.0-Emissions Control Requirements Section%II.E-Monitoring Section XII.F-Recordkeeping and Reporting Colorado Regulation D,Section 011.G 1. Is this storage tank located in the 0-hr ozone control area or any ozone non-attainment area or attainment/maintenance area? Continue-you have determined 2. Is this storagetark located at a natural gas pro sling plant? Storage Tank Is not subject.Re 3. Does this storage tank exhibit"Flash'(e.g.storing nonstablcedliquids)emissions and have uncontrolled actual emissions greaterthan orequalta 2 tons per year VOC: Section XII.G.2-Emissions Central Requirements -^ Section%II.C.1-General Requirements for Air Pollution Control Equipment-Prevention of Leakage Section XII.C.2-Emssion Estimation Procedures Colorado Regulation],Section%VII 1 Istl,a tank located at a transmission/storage facility? rio Continue-You have lndiratedth 2. Is this condensate storage tank'located at an oil and gas exploration and production operation,well production teeth}]',natural gas compressor stations or natural gas processing plant? Go to the next question-You ha 3. Is this condensate storage tank afued roof storage tank? '�Y�eav ."<.Go to the next question 4. Are uncontrolled actuala a scion°of this equal to or greater than 6 tons per year VOC? . &fti/,,Sources subject to parts of Reg. Section WAD-General Provisions for Air Pollution Control Equipment and Preventionof Emissions Section XVII.C.1-Emissions Control and Monitoring Provisions Section XVII C.3-Recordkeeping Requirements 5 Daes the cenden.te storagetank contain onry"stalpili-red"Iquds? No r:(Source is subject to all provision. Section tVII.C.2-Capture and Monitoring for Storage Tanks fitted with Air Pollution Control Equipment 40 CFR.Part6o,SubnertKb,Standards of Performance for Volatile Organic Liquid Storage Vessels 1. Is the individual storage vessel capacity greaterthan or equal to 75 cubic meters(m)r422 MUM? No Storage Tank's not subject NS'S 2. Does the storage vessel meet the following exemption In 60.111b(d)(4)? a.Does the vessel has a design capacty less than or equal to 1,509.874m51'10,000 BBLI used for petroleum'or condensate Stored,processed,or treated prior to custody transfer'as defined In 60.1116? 3. Was this condensate storage tank constructed,reconstructed,or modified(see definitions 40 CFR,60.2)after July 23,1984? 4. Does the tank meet the definition of"storage vessel"e In60.111b? - 5. Does the storage vessel store a"volatile organic liquid(VOL)"sal defined in 60.111k? 6. Does the storage vessel meet any one of the following additional exemptions: a.Is the storage vessel a pressure vessel designed to operate In excess of 204.9 kPa 1'29.2 psi)and without em'esionsto the atmosphere(60.11oh(d)(2)17:or b.The design capacity is greater than or equal to 151 ma(-950 BBL]and stores a liquid with a menlmumtrue vapor pressure'less than 35 kPe(60.110blbl)?;or c The design capacity is greater than or equal to 75 Ma 1^422 BBL]but less than 151 ma("950 BBL]and stores a liquid with a maximum true vapor pressure'lessthan 15.0 kPelxo.t10b(b)l? 7, Ooes the storage tank meet ether one of the following exemptions from control requirements a The d g pcty-sit t than qualto 151m'(-950 BBL]and stereo a liquid with a maximum true vapor pressure greater than or equal to 35 kPa but less than 5.2 kPa?;or -I b.l The d g patty is greater than qual to75 he I-4?2 BBL]but less than 151 ma f'95o BM)and stores alqud with a maximum true vapor pressure greater than or equal to 15.0 kPa but less than 27.6 kPa? N1OS.b I 40 CFR.Part..Subpart 0000/0000a,Standards of Perfonnancefor Crude 011 and Natural Gas Praductlon,Tcansmission and Distribution 1. Is this condensate storage vessel located et a facility in the onshore oil and natural gas productionsegment,natural gas processing segment or natural gas transmission and storage segment of the Industry? continue-You haveindicatedth 2. Wasths condensae storage vessel constructed,reconstructed,or modified(see definitions40 CFR,60.2)between August 23,2011 and September 18,20157 No Storage Tank.not subject NSPS 3. Was this condensate storage vessel constructed,reconstructed,or modified(see definitions 40 CFR,60.2)after September 18,2015? Yes Go to the next question 4. Are potential VOC emissions'from the lndivlduelstorage vessel greater than or equal to 6 tons per year? No Storage Tank is not subject NSPS S. Does this condensate storage v sel meet the definition of"storage vessel'per 60.5430/60.5430a7 6. Is the storagev I bl ct tY dcontrolledl accordance with requirements for storage Vessels in 40 CA Part 60 Subpart Kb or 40 CFR Part 63 Subpart HO? IStoreve7ank is (Note:If a storegevessel Is previously determined to be subject to NSPS 0000/0000a due to emissions above 6 tons per year VOC on the applicability determination cote,it should remain subject to NSPS 0000/0000a per 60.5365(0)(2)/60.5365a(e)(2)even if potential VOC emissionsdrap below titans per year] 40 CFR,Part 63,Subpart MALT UN,Oil and Gas Production Facilities 1. Is the storage tank located st an oil and natural gas production facility that meets either of the following criteria: Continue-You have Indicated th a.A facility that processes,upgrades or stores hydrocarbon liquids'(63.760(a)(2)I;OR b.A facility that processes,upgrades or stores natural gas prior to the point at which natural gas enters the natural gas transmission and storage source category or is delivered to a final end user'(63.760(a)(3)1? 2. Is the tank located at a facility that is majoefor HAPs7 No. Storage Tank's not subject MAC 3. Does the tank meet the definition of"storage ve sely°In 63.761? 4. Does the tank meet the definition of"storage vessel with the potential for flash emissions'per63.761? 5, Is the tanksubjeo to control requirements under 40CFR Part 60,Subpart Kb or Subpart 0000? ACT-iH SubpartA,General provisions per 563.764(a)Table 2 §63.]66-Emissions Control Standards 563.77-Monitoring • • 463.77A-Recordkeeping 463.77S-Reporting PACT Review RACT review Is required If Regulation 7 does not apply AND if the tank is in the non-attainment area.If the tank meets both criteria,then review RACT requirements. Disclaimer This document assists operators with determining applicability of certain requirements of the Clean Air Act,ifs implementing regulations,and Air Quality Control Commission regulations.This document is note ode or regulation,and the analysis it contains may not apply to a particular situation based upon the individual facts and circumstances.This document does not change or substitute for any law, regulation,oreny other legally binding requirement and is not legally enforceable.In the event of any conflict between the language of this document end the language of the Clean Air Act„its implementing regulations.end Air Quality Control Commission regulations the language oldie statute or regulation will control.The use efnon-mandatory Ianguege such as;recarrcnenq""may,""should,"and than,"is intended to describe APCD interpretations and recommendations.Mandatary terminology such as"must"end"required are intended to describe controlling requirements under the terms of the Clean Air Act andAir Quality Control Commission regulations,but this document does not establish legally binding requirements in end of itself COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION FACILITY EMISSION SUMMARY • Company Name SRC Energy Inc. County AIRS ID 123 History File Edit Date 10/28/2020 Plant AIRS ID A099 Ozone Status Non-Attainment Facility Name Bost Farm 5.7 Pad EMISSIONS-Uncontrolled(tons per year) EMISSIONS With Controls(tons per year) POINT PERMIT Description PM10 PM2.5 H2S SO2 NOx VOC Fug CO Total PM10 PM2.5 H2S SO2 NOx VOC Fug CO Total REMARKS AIRS VOC HAPs VOC HAPs ID Previous FACILITY TOTAL 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 New Facility-No Previous Total Previous Permitted Facility total 0.0 0.0 0.0 0.0 , 0.0 _ 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 001 19WE0975 Eight(8)400 bbl Condensate Tanks 1.5 8,346.0 6.8 2,188.6 1.5 16.7 6.8 4.4 002 19WE0976 Two(2)400 bbl Produced Water Tanks 0.0 40.7 0.1 3.4 0.0 0.1 0.1 0.0 003 19WE0977 Truck Loadout 0.1 39.0 0.5 0.9, 0.1 2.0 0.5 0.0 004 GP02 Caterpillar G3515J,4SLB,1350hp,SN: 0.5 0.5 6.7 23.1 41.4 5.6 0.5 0.5 6.7 . 9.3 13.3 5.6 WPW02807 005 GP02 Doosan 21.9L,4SRB,550hp,SN: 0.3 0.3 38.6 3.7 65.0 0.5 0.3 0.3 3.7 3.7 8.0 0.5 EZYOF803103 _ 006 GP02 Doosan 21.9L,4SRB,550hp,SN: 0.3 0.3 38.6 3.7 65.0 0.5 0.3 0.3 3.7 3.7 8.0 0.5 EZYOF903525 0.0 0.0 • • 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0O FACILITY TOTAL 1.1 1.1 0.0 0.0 85.5 8,456.2 0.0 178.8 2,199.6 1.1 1.1 0.0 0.0 15.7 35.5 0.0 36.7 11.1 VOC: Syn Minor(NANSR and OP) NOx:Syn Minor(NANSR and OP) CO: Syn Minor(OP) HAPS: Syn Minor B,T,X,n-Hex&Total HH: Syn Minor ZZZZ: Syn Minor Permitted Facility Total 1.1 1.1 0.0 0.0 85.5 8,456.2 0.0 178.8 2,199.6 1.1 1.1 0.0 0.0 15.7 35.5 0.0 36.7 11.1 Excludes units exempt from permits/APENs (A)Change in Permitted Emissions 1.1 1.1 0.0 0.0 15.7 35.5 0.0 36.7 Pubcom required based on requesting Syn Minor permit limits Total VOC Facility Emissions(point and fugitive) _ 35.5 Facility is eligible for GP02 because<90 tpy t )A)Change in Total Permitted VOC emissions(point and fugitive) 35.5 Project emissions less than 25 tpy Note 1 Note 2 Page 5 of6 Printed 10/28/2020 COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION DIVISION FACILITY EMISSION SUMMARY-HAPs Company Name SRC Energy Inc. County AIRS ID 123 Plant AIRS ID A099 Facility Name Bost Farm 5-7 Pad Emissions-uncontrolled(lbs per year) POINT PERMIT Description Formaldehyde Acetaldehyde Acrolein Benzene Toluene Ethyl benzene Xylenes n-Hexane McOH 224 TMP H2S TOTAL(tpy) 'Previous FACILITY TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 0.0 001 19WE0975 Eight(8)400 bbl Condensate Tanks 410767 456269 16637 176797 3312368 4437 2188.6 002 19WE0976 Two(2)400 bbl Produced Water Tanks 1054 919 39 327 4429 3 3.4 003 19WE0977 Truck Loadout 118 139 5 54 1448 2 0.9 004 GP02 Caterpillar G3515J,4SLB, 1350hp,SN 9593 810 498 42 242 5.6 005 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 006 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 0.0 0.0 0.0 0.0 0.0 0.0 TOTAL(tpy) 5.5 0.5 0.3 206.0 228.7 8.3 88.6 1659.1 0.2 2.2 0.0 0.0 2199.6 *Total Reportable=all HAPs where uncontrolled emissions>de minimus values Red Text: uncontrolled emissions<de minimus Emissions with controls(lbs per year) POINT PERMIT Description Formaldehyde Acetaldehyde Acrolein Benzene Toluene Ethylbenzene Xylenes n-Hexane McOH 224 TMP H2S TOTAL(tpy) 'Previous FACILITY TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 0.0 001 19WE0975 Eight(8)400 bbl Condensate Tanks 822 913 33 354 6625 9 4.4 002 19WE0976 Two(2)400 bbl Produced Water Tanks 2 2 0 1 9 _ 0 0.0 003 19WE0977 Truck Loadout 6 7 0 3 72 0 0.0 004 GP02 Caterpillar G3515J,4SLB, 1350hp,SN 9593 810 498 42 242 5.6 005 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 006 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 0.0 0.0 0.0 0.0 0.0 0.0 TOTAL(tpv) 5.5 0.5 0.3 0.5 0.5 0.0 0.2 3.4 0.2 0.0 0.0 0.0 11.1 6 19WE0975.CP1 10/28/2020 C :,,et. COLORADO Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado CONSTRUCTION PERMIT Permit number: 19WE0976 Issuance: 1 Date issued: Issued to: PDC Energy, Inc. Facility Name: Bost Farm 5-7 Pad Plant AIRS ID: 123/A099 Physical Location: NWNW SEC 7 T5N R66W County: Weld County Description: Well Production Facility Equipment or activity subject to this permit: Facility AIRS Emissions Control Equipment Point Equipment Description Description ID PW 1 2 002 Two (2) 400 barrel fixed roof storage Enclosed Flare vessels used to store produced water 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 seq), to the specific general terms and conditions included in this document and the following specific terms and conditions. REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. Within one hundred and eighty days (180) of the latter of commencement of operation or issuance of this permit, compliance with the conditions contained in this permit must 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. A self certification form and guidance on how to self- certify compliance as required by this permit may be obtained online at www.colorado.gov/cdphe/air-permit-self-certification. (Regulation Number 3, Part B, Section III.G.2.) 2. This permit must 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 Page 1 of 13 �� .w•:�s COLORADO '� Air Pollution Control Division Department of PubIEc Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado 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. (Regulation Number 3, Part B, Section III.F.4.) 3. Within one hundred and eighty days (180) of issuance of this permit, the owner or operator must install equipment necessary to monitor control device pilot light status and auto-igniter status as described in this permit. 4. The operator must 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. (Regulation Number 3, Part B, Section III.E.) 5. The operator must 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 6. Emissions of air pollutants must not exceed the following limitations. (Regulation Number 3, Part B, Section II.A.4.) Annual Limits: Facility AIRS Tons per Year Emission Equipment ID Point PM2.5 NO, VOC CO Type PW 1-2 002 --- --- 0.1 - Point Note: 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 must not exceed 8.0 tons per year. Facility-wide emissions of total hazardous air pollutants must not exceed 20.0 tons per year. The facility-wide emissions limitation for hazardous air pollutants must apply to all permitted emission units at this facility. Compliance with the annual limits, for both criteria and hazardous air pollutants, must 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 must calculate actual emissions each month and keep a compliance record on site or at a local field office with site responsibility for Division review. 7. The owner or operator must use the emission factors and calculation methods found in "Notes to Permit Holder" to calculate emissions and show compliance with the limits. The owner or operator must submit an Air Pollutant Emission Notice (APEN) and receive a modified permit prior to the use of any other method of calculating emissions. 8. The emission points in the table below must be operated and maintained with the emissions control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit. (Regulation Number 3, Part B, Section III.E.) Page 2 of 13 -:• - ` COLORADO 41. 41/4000 Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado Facility AIRS Pollutants Equipment Point Control Device Controlled ID Emissions from the storage vessels are routed to a sales pipeline through the use of a vapor recovery unit (VRU). During VRU downtime, emissions are routed to a bank PW 1-2 002 of six (6) enclosed combustor(s). The VRU VOC and HAP has a maximum of 10% annual downtime. Make: IES, Model: 96", SNs: 96-03-0131, 96- 03-0134, 96-03-0135, 96-03-0136, 96-03- 0137, and 96-03-0138 PROCESS LIMITATIONS AND RECORDS 9. This source must be limited to the following maximum processing rates as listed below. Monthly records of the actual processing rates must be maintained by the owner or operator and made available to the Division for inspection upon request. (Regulation Number 3, Part B, II.A.4.) A.4.) Process Limits Facility AIRS Equipment Point Process Parameter Annual Limit ID Total produced water throughput 1,004,225 barrels PW 1-2 002 Produced water throughput during 100,422 barrels VRU downtime The owner or operator must monitor monthly process rates based on the calendar month. Compliance with the annual throughput limits must 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 must calculate throughput each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. 10. The owner or operator must monitor and record VRU downtime on a daily basis. VRU downtime shall be defined as times when emissions from the produced water storage vessels are routed to the enclosed combustor(s) rather than the VRU. The total hours of VRU downtime, total produced water throughput volume, and total produced water throughput volume during VRU downtime, must be recorded on a monthly basis. The owner or operator must use monthly VRU downtime records, monthly produced water throughput volume records, and the calculation methods established in the Notes to Permit Holder to demonstrate compliance with the process and emission limits specified in this permit. 11. On a minimum of an hourly basis, the owner or operator shall monitor the enclosed combustors for the presence of a pilot light and an operational auto-igniter on each device. These monitoring records shall be used to calculate enclosed combustor downtime. During periods of without the presence of a pilot light and/or an operational auto-igniter and simultaneous VRU Page 3 of 13 C •�•» COLORADO 4. 4.0401° Air Pollution Control Division COP Department of Public Health b Environment Dedicated to protecting and improving the health and environment of the people of Colorado downtime, the flow volume from emissions source(s) shall be assigned a 0% control efficiency. These monitoring records must be maintained for a period of five (5) years, and a summary of monthly pilot light downtime and vapor flow during pilot light downtime shall be provided to the division upon request. STATE AND FEDERAL REGULATORY REQUIREMENTS 12. The permit number and ten digit AIRS ID number assigned by the Division (e.g. 123/4567/001) must be marked on the subject equipment for ease of identification. (Regulation Number 3, Part B, Section III.E.)E.) (State only enforceable) 13. This source is subject to the odor requirements of Regulation Number 2. (State only enforceable) 14. This source is subject to Regulation Number 7, Part D, Section I. The operator must comply with all applicable requirements of Section I and, specifically, must: • Comply with the recordkeeping, monitoring, reporting and emission control requirements for storage tanks; and • Ensure that the combustion device controlling emissions from this storage tank be enclosed, have no visible emissions, and be designed so that an observer can, by means of visual observation from the outside of the enclosed combustion device, or by other means approved by the Division, determine whether it is operating properly. (Regulation Number 7, Part D, Section I.C.) (State only enforceable) 15. The combustion device covered by this permit is subject to Regulation Number 7, Part D, Section II.B.2. General Provisions (State only enforceable). If a flare or other combustion device is used to control emissions of volatile organic compounds to comply with Section II, it must be enclosed; have no visible emissions during normal operations, as defined under Regulation Number 7, Part D, Section II.A.23; and be designed so that an observer can, by means of visual observation from the outside of the enclosed flare or combustion device, or by other convenient means approved by the Division, determine whether it is operating properly. This flare must be equipped with an operational auto-igniter according to the schedule in Regulation Number 7, Part D, Section II.B.2.d. 16. The storage tank covered by this permit is subject to the emission control requirements in Regulation Number 7, Part D, Section II.C.1. The owner or operator must install and operate air pollution control equipment that achieves an average hydrocarbon control efficiency of 95%. If a combustion device is used, it must have a design destruction efficiency of at least 98% for hydrocarbons except where the combustion device has been authorized by permit prior to March 1, 2020. The source must follow the inspection requirements of Regulation Number 7, Part D, Section II.C.1.d. and maintain records of the inspections for a period of two years, made available to the Division upon request. This control requirement must be met within 90 days of the date that the storage tank commences operation. 17. The storage tanks covered by this permit are subject to the venting and Storage Tank Emission Management System ("STEM") requirements of Regulation Number 7, Part D, Section II.C.2. 18. On or before June 30th, 2021 (and on June 30th each year thereafter), the owner or operator of oil and natural gas operations and equipment at or upstream of a natural gas processing Page 4 of 13 C '`��''''''��"- ' COLORADO --- Air Pollution Control Division Department of Public Health b Environment Dedicated to protecting and improving the health and environment of the people of Colorado plant in Colorado must submit a single annual report that includes actual emissions and specified information in the Division-approved report format. The information included in the annual report must be in accordance with the general reporting requirements of Regulation Number 7, Part D, Section V.B. Beginning July 1, 2020, and each calendar year thereafter, owners or operators must maintain the information according to Regulation Number 7, Part D, Section V.C. for inclusion in the annual report. (Regulation Number 7, Part D, Section V) OPERATING Ft MAINTENANCE REQUIREMENTS 19. Upon startup of these points, the owner or operator must follow the most recent operating and maintenance (O&M) plan and record keeping format approved by the Division, in order to demonstrate compliance on an ongoing basis with the requirements of this permit. Revisions to the O&M plan are subject to Division approval prior to implementation. (Regulation Number 3, Part B, Section III.G.7.) COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 20. The owner or operator must demonstrate compliance with opacity standards, using EPA Reference Method 22, 40 C.F.R. Part 60, Appendix A, to determine the presence or absence of visible emissions. "Visible Emissions" means observations of smoke for any period or periods of duration greater than or equal to one minute in any fifteen-minute period during normal operation. (Regulation Number 7, Part D, Sections II.B.2. and II.A.23) 21. The owner or operator must conduct an initial source compliance test to measure the mass emission rates of the pollutants listed below, demonstrate compliance with the VOC emissions limit in this permit, and to demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC). During the test, the owner or operator must measure: • mass emission rates of VOC at the inlet of the control device (M)) using EPA or other division approved methods; • mass emission rates of VOC at the outlet of the control device (M0) using EPA or other division approved methods; and • mass emission rates of NOx and CO at the outlet of the control device using EPA or other division approved methods. Additionally, the following parameters may be required to be measured during the test: • combustion chamber temperature; • gas flow rate; • supplemental fuel flow rate; • gas heat content; and • gas composition. The destruction efficiency (DE) for VOC must be calculated using the following equation: DE (%) = 100*(M;-Mo)/M; The test protocol, test, and test report must be in accordance with the requirements of the Air Pollution Control Division Compliance Test Manual. The test protocol must include testing Page 5 of 13 �•x• COLORADO Air Pollution Control Division Ntef Department of Public I leaith&Environment Dedicated to protecting and improving the health and environment of the people of Colorado under all operating scenarios of the control device. The test protocol must be submitted to the Division for review and approval at least thirty (30) days prior to testing. No compliance test will be conducted without prior approval from the Division. Within thirty (30) days following completion of the test(s), a compliance test report must be submitted to the Division for review. Additional time may be granted upon written request. Any compliance test conducted to demonstrate compliance with a monthly or annual emission limitation shall have the results projected up to the monthly or annual averaging time by multiplying the test results by the Process Limit(s) for that averaging time as indicated in the Process Limitations and Records section of this permit. (Regulation Number 3, Part B., Section III.G.3) Results of the initial compliance tests must be submitted to the Division as part of the self- certification. Actual emissions calculations must be completed in accordance with the "Notes to Permit Holder" section of this permit. If the results of the initial compliance test do not demonstrate compliance with the emissions limits contained within this permit or do not demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC) for each operating scenario, the owner or operator must submit to the Division within 60 days, or in a timeframe as agreed to by the Division, a request for permit modification to address these inaccuracies. Periodic Testing Requirements 22. On an annual basis, the owner or operator must conduct a source compliance test to measure the mass emission rates of the pollutants listed below, demonstrate compliance with the VOC emissions limit in this permit, and to demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC). During the test, the owner or operator must measure: • mass emission rates of VOC at the inlet of the control device (M) using EPA or other division approved methods; • mass emission rates of VOC at the outlet of the control device (Mo) using EPA or other division approved methods; and • mass emission rates of NOx and CO at the outlet of the control device using EPA or other division approved methods. Additionally, the following parameters may be required to be measured during the test: • combustion chamber temperature; • gas flow rate; • supplemental fuel flow rate; • gas heat content; and • gas composition. The destruction efficiency (DE) for VOC must be calculated using the following equation: DE (%) = 100*(M;-Mo)/M, The test protocol, test, and test report must be in accordance with the requirements of the Air Pollution Control Division Compliance Test Manual. The test protocol must include testing under all operating scenarios of the control device. The test protocol must be submitted to the Division for review and approval at least thirty (30) days prior to testing. No compliance Page 6 of 13 C -r,F: COLORADO Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado test will be conducted without prior approval from the Division. Within thirty (30) days following completion of the test(s), a compliance test report must be submitted to the Division for review. Additional time may be granted upon written request. Any compliance test conducted to demonstrate compliance with a monthly or annual emission limitation shall have the results projected up to the monthly or annual averaging time by multiplying the test results by the Process Limit(s) for that averaging time as indicated in the Process Limitations and Records section of this permit. (Regulation Number 3, Part B., Section III.G.3) Actual emissions calculations must be completed in accordance with the "Notes to Permit Holder" section of this permit. If the results of the initial compliance test do not demonstrate compliance with the emissions limits contained within this permit or do not demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC) for each operating scenario, the owner or operator must submit to the Division within 60 days, or in a timeframe as agreed to by the Division, a request for permit modification to address these inaccuracies. ALTERNATIVE OPERATING SCENARIOS 23. The control device may be replaced with a like-kind control device in accordance with the requirements of Regulation 3, Part A, Section IV.A and without applying for a revision to this permit or obtaining a new construction permit. A like-kind control device shall be the same make and model as authorized in this permit. All control device replacements installed and operated as authorized by this permit must comply with all terms and conditions of this construction permit. The owner or operator shall maintain a log on-site or at a local field office to record the start and stop dates of any control device replacement, the manufacturer, model number and serial number of the replacement control device. 24. An Air Pollutant Emissions Notice (APEN) that includes the specific manufacturer, model, and serial number of the replacement control device must be filed with the Division within 14 calendar days of commencing operation of a replacement control device under the Alternative Operating Scenario provision. The APEN must be accompanied by the appropriate APEN filing fee and a cover letter explaining that the owner or operator is exercising an Alternative Operating Scenario and has replaced the control device. 25. Within one hundred and eighty days (180) of startup of the replacement control device in accordance with the Alternate Operating Scenario provision, the owner or operator must conduct an initial source compliance test to measure the mass emission rates of the pollutants listed below, demonstrate compliance with the VOC emissions limit in this permit, and to demonstrate a minimum destruction efficiency of 98% for volatile organic compounds (VOC). During the test, the owner or operator must measure: • mass emission rates of VOC at the inlet of the control device (MO using EPA or other division approved methods; • mass emission rates of VOC at the outlet of the control device (M0) using EPA or other division approved methods; and • mass emission rates of NOx and CO at the outlet of the control device using EPA or other division approved methods. Page 7 of 13 COLORADO Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado Additionally, the following parameters may be required to be measured during the test: • combustion chamber temperature; • gas flow rate; • supplemental fuel flow rate; • gas heat content; and • gas composition. The destruction efficiency (DE) for VOC must be calculated using the following equation: DE (%) = 100*(M;-Mo)/M; The test protocol, test, and test report must be in accordance with the requirements of the Air Pollution Control Division Compliance Test Manual. The test protocol must include testing under all operating scenarios of the control device. The test protocol must be submitted to the Division for review and approval at least thirty (30) days prior to testing. No compliance test will be conducted without prior approval from the Division. Within thirty (30)days following completion of the test(s), a compliance test report must be submitted to the Division for review. Additional time may be granted upon written request. Any compliance test conducted to demonstrate compliance with a monthly or annual emission limitation shall have the results projected up to the monthly or annual averaging time by multiplying the test results by the Process Limit(s) for that averaging time as indicated in the Process Limitations and Records section of this permit. (Regulation Number 3, Part B., Section III.G.3) Actual emissions calculations must be completed in accordance with the "Notes to Permit Holder" section of this permit. If the results of the initial compliance test do not demonstrate compliance with the emissions limits contained within this permit or do not demonstrate a minimum destruction efficiency of 98%for volatile organic compounds (VOC) for each operating scenario, the owner or operator must submit to the Division within 60 days, or in a timeframe as agreed to by the Division,a request for permit modification to address these inaccuracies. ADDITIONAL REQUIREMENTS 26. A revised Air Pollutant Emission Notice (APEN) must be filed: (Regulation Number 3, Part A, II.C.) • Annually by April 30th whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For volatile organic compounds (VOC) and nitrogen oxides sources (NOx) in ozone nonattainment areas emitting less than 100 tons of VOC or NO, per year, a change in annual actual emissions of one (1) ton per year or more or five percent, whichever is greater, above the level reported on the last APEN; or Page 8 of 13 6 _ ,,,,,„.....:.-tCOLORADO Air Pollution Control Division COP HE Department of Pubic Health 6 Environment Dedicated to protecting and improving the health and environment of the people of Colorado 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. • Whenever there is a change in the owner or operator of any facility, process, or activity; or • Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or • Whenever a permit limitation must be modified; or • No later than 30 days before the existing APEN expires. 27. The requirements of Colorado Regulation No. 3, Part D must apply at such time that any stationary source or modification becomes a major stationary source or major modification solely by virtue of a relaxation in any enforceable limitation that was established after August 7, 1980, on the capacity of the source or modification to otherwise emit a pollutant such as a restriction on hours of operation (Reference: Regulation Number 3, Part D, V.A.7.B). GENERAL TERMS AND CONDITIONS 28. 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 Number 3, Part B, Section II.B. upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 29. 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 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 Number 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. 30. 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. 31. 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. Page 9 of 13 •z COLORADO ` iir1-� Air Pollution Control Division Department of Public Health b Environment Dedicated to protecting and improving the health and environment of the people of Colorado 32. 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 must constitute a rejection of the entire permit and upon such occurrence, this permit must 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. 33. 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. 34. 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: DRAFT Ben Fischbach Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to PDC Energy, Inc. New Synthetic Minor Facility Page 10 of 13 CC <r- COLORADO . + I Air Pollution Control Division �� Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado 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 must pay the invoice within 30 days of receipt of the invoice. Failure to pay the invoice will result in revocation of this permit. (Regulation Number 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 must 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: https://www.colorado.gov/pacific/cdphe/aqcc-regs 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. AIRS Uncontrolled Controlled Point Pollutant CAS # Emissions Emissions (lb/yr) (lb/yr) Benzene 71432 1,054 2 Toluene 108883 919 2 Ethylbenzene 100414 39 0 002 Xylenes 1330207 327 1 n-Hexane 110543 4,429 9 2,2,4- 540841 3 0 Trimethylpentane Note: All non-criteria reportable pollutants in the table above with uncontrolled emission rates above 250 pounds per year (lb/yr) are reportable and may result in annual emission fees based on the most recent Air Pollution Emission Notice. 5) The emission levels contained in this permit are based on the following emission factors: Uncontrolled Controlled CAS # Pollutant Emission Factors Emission Factors Source lb/bbl lb/bbl N0x 4.83 * 10-4 4.83 * 10-4 CO 2.20 * 10-3 2.20 * 10-3 AP-42 V0C 8.11 * 10-2 1.62 * 10-4 71432 Benzene 1.05 * 10"3 2.10 * 10-6 Page 11 of 13 �,y:•�� COLORADO "' '" Air Pollution Control Division Department of Pubic Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado Uncontrolled Controlled CAS # Pollutant Emission Factors Emission Factors Source lb/bbl lb/bbl 108883 Toluene 9.15 * 10-4 1.83 * 10-6 100414 Ethylbenzene 3.88 * 10"5 7.76 * 10"$ 1330207 Xylene 3.26 * 10-4 6.52 * 10"' Flash Liberation 110543 n-Hexane 4.41 * 10-3 8.82 * 10-6 Analysis + TANKS 4.0.9d 2,2,4- 5408412.51 * 10-6 5.02 * 10-9 Trimethylpentane Note: The controlled emissions factors for this point are based on a control efficiency of 98%during VRU downtime, and a control efficiency of 100%during VRU uptime, with an annual VRU downtime of 10%, or 876 hours. NOx and CO emission factors are based on a gas heat content of 947 Btu/scf, and 10%of annual condensate throughput to account for VRU downtime and ECD uptime (i.e. NOx and CO emission factors are in terms of lb per barrel during VRU downtime). Actual controlled emissions shall be calculated using the following method: Actual Emissions= [(Vtotal —VPLX) X EF x(100%—CE)]+[VPLX x EF] where: vtotaf =Total volume of produced water throughput during VRU downtime (bbl) VP,,X =Total volume of produced water throughput during VRU downtime and while pilot light was not lit or auto-igniter was not operational (bbl) EF =Most recent approved emission factor(lb/bbl) CE = 98% 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 must 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 permit fulfills the requirement to hold a valid permit reflecting the storage tank and associated control device per the Colorado Oil and Gas Conservation Commission rule 805b(2)(A) when applicable. 8) This facility is classified as follows: Applicable Status Requirement Operating Permit Synthetic Minor Source of: VOC, CO, NOx, Benzene, Toluene, Xylenes, n-Hexane, Total HAP PSD Synthetic Minor Source of: VOC NANSR Synthetic Minor Source of: VOC, NOx MACT HH Not Applicable Page 12 of 13 -r,-0- COLORADO Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado 9) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://www.ecfr.gov/ Part 60: Standards of Performance for New Stationary Sources NSPS 60.1-End Subpart A - Subpart UUUU 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 MMMMM MACT 63.8980-End Subpart NNNNN -Subpart X)0CXXX Page 13 of 13 Corrado Air Permitting Project PRELIMINARY ANALYSIS-PROJECT SUMMARY Project Details For Division Use Only Review Engineer: Ben Fischbach Package#: 420362 Received Date: 10/8/2019 Review Start Date: 1/29/2020 Section 01-Facility Information Company Name: PDC Energy Inc Quadrant Section Township Range County AIRS ID: 123 - NWNW 7 5N `,':66 Plant AIRS ID: A099 Facility Name: Bost Farm 5-7 Pad Physical Address/Location: Range 6c§a, County: Weld County Type of Facility: Exploration&Production Well Pad 4- il' ittttrWhat industry segment?Oil&Natural Gas Production&Process) Is this facility located in a NAAQS non-attainment area? o „ If yes,for what pollutant? Ozone-(NOx&VOC)' Section 02-Emissions Units In Permit Application Leave Blank-For Division Use Only AIRS Point# Permit# Emissions (Leave blank unless Issuance Self Cert (Leave blank unless APCD Emissions Source Type Equipment Name Action Engineering Control? APCD has already It Required? Remarks has already assigned) assigned) Permit Initial 001 Condensate Tank '.. TNK 1-8 Yes 19WE0975 1 Yes Issuance Permit Initial 002 Produced Water Tank'.. PW 1-2 Yes 18WE0976 1 Yes Issuance Permit Initial 003 Liquid Loading LOAD-1 Yes 19WE0977 1 Yes Issuance Section 03-Description of Project SRC Energy has submitted APEN5 for the following new sources at the newly constructed Bost Farm 5-7 Pad Facility in Weld County: Three(3)SI RICE Engines(permitted under GP02) One(1)Condensate Tank Battery One(1)Produced Water Tank Battery One(1)Loadout operation The facility is synthetic minor for VOC,CO,n-Hexane,and Total HAPs(wrt TV permitting thresholds);facility is synthetic minor for VOC(wrt NANSR and PSD thresholds). Sections 04,05&06-For Division Use Only Section 04-Public Comment Requirements Is Public Comment Required? Yes If yes,why? Requesting Synthetic Minor Permit Section 05-Ambient Air Impact Analysis Requirement Was a quantitative modeling analysis required? No If yes,for what pollutants? If yes,attach a copy of Technical Services Unit modeling results summary. Section 06-Facility-Wide Stationary Source Classification Is this stationary source a true minor? No Is this stationary source a synthetic minor? ..:Yes If yes,indicate programs and which pollutants: SO2 NOx CO VOC PM2.5 PM10 TSP HAPs Prevention of Significant Deterioration(PSD) DIU — Title V Operating Permits(OP) ✓ ✓ El Non-Attainment New Source Review(NANSR) ✓ Is this stationary source a major source? No If yes,indicate programs and which pollutants: SO2 NOx CO VOC PM2.5 PM10 TSP HAPs Prevention of Significant Deterioration(PSD) Title V Operating Permits(OP) Non-Attainment New Source Review(NANSR) t't...uced',,Varer St, , :a^'t.,. .:s!ort=...... _ Section 01-Administrative Information 'Facility AlRs ID: - A099 002 County Plant Point Section 02-Equipment Description Details Detailed Emissions Unit Two(2)400 bbl Produced Water Tanks Description: Emission Control D vice Tanks are connected to a VRU with 90%uptime,10%downtime.During YRU downtime,emiusibas routedto six.(6)standard ECDs. Description: (IE556") Requested Overall VOC&HAP Contra(Efficiency%: 99.80' Section 03-Processing Rate Information for Emissions Estimates Primary Emissions-Storage Tank(s) Total(Process.011 Presets-02) - Actual Produced Water Throughput= 836,841 Barrels(bbl)per year Requested Permit LimitThroughput= 1,004,225 Barrels(bbl)per year Requested Monthly Throughput= Barrels(bbl)per month , Potential to Emit(PTE)Produced Water Throughput = 1,004,225 Barrels((bbl)per year Process 01)emissions routed to VRU) Actual Condensate Throughput= 753,157 Barrels(bbl)per year Actual Condensate Throughput While Emissions Controls Operating= 753,157 Barrels(bbl)per year (Requested Permit Limit Throughput= 903,802 Barels(bbl)per year Requested Monthly Throughput= • . Barrels(bbl)per month Potential to Emit(PTE) - 903,802 Barrels(bbl)per year Requested Overall VOC&HAP Control Efficiency°A: 100 % Process 02(emissions routed:to.Enclosed Flare) - ActualCondensateThroughput= 83,684 Barrels(bbl)per year Actual Condensate Throughput While Emissions Controls Operating= 83,684 Barrels(bbl)per year Requested Permit Limit Throughput= 100,422 Barrels(bbl)per year Requested Monthly Throughput= .. Barrels(bbl)per month I Potential to Emit(PTE) Condensate Throughput= - 100,422 Barrels(bbl)per year Requested Overall VOC&HAP Control Efficiency%; 98% Secondary Emissions-Combustion Device(s) Heat content of waste gas= 947.0 Btu/scf Volume of waste gas emitted per BBL of liquids produced= 7.5 snf/bbl Actual heat content of waste gas muted to combustion device= 5,v MMBTU per year Requested heat content of waste gas routed to combustion device= z MMBTU per year Potential to Emit(PTE)heat content el waste gas routed to combustion device= . 'MMBTU per year Control Device Pilot Fuel Use Rate: scfh MMscf/yr Pilot Fuel Gas Heating Value: Btu/scf :: MMBTU/yr Section 09-Emissions Factors&Methodologies 4 Will this storage tank emit flash emissions? "vi, }}j.y Emission Factors Produced Water Tank Uncontrolled Controlled Pollutant )lb/bbl) (Ib/bbl) Emission Factor Source (Produced Water (Produced Water Throughput) Throughput) VOC 8.11E 02 /.'. 0.070.0: i4-'74-1,4,5„,„0.%6( xa Benzene 105E-03 _.6F 03 $- - Toluene 9.15E-04 i.._ — Ethylbenzene 3.08E-05 _._ Xylem 3.26E-09 n-Hexane ::0.41E-03 . .f 224TMP 74,,.2.51E-06' 2.033E-93 1 "-'3.5—_,-h- y. `_. ./ _.,,4.—' Control Device Uncontrolled Uncontrolled Pollutant )Ib/MMBtu) (Ib/bbl) Emission Factor Source (waste heat (Produced Water con-busted) Throughput) PM10 PM2.5 000745 - Combustion factors are based an throughput curing BRA — NOx 3832-03 53.51 QftriaiSq es)NO#I downtime(not total throughput) CO 3.232,32 41tapter 135 Industrial Flares(C0) Pilot tight Emissions Uncontrolled Uncontrolled Pollutant (Ib/MMBtu) Ib/MMscf Emission Factor Source (Waste Heat Combusted) (Pllot Gas Throughput) PM10 03075 SO 5) 3333 3 Pe82.5 0.0075 0.0300 } - NOM '; 03680 100 `I fio aiFI (N0, Co 1.3203 apter 13.1 inordoirial Flares(COI). Section 05-Emissions Inveetory Potential to Emit Actual Emissions Requested Permit Limits Requested Monthly Limits Criteria Pollutants Uncontrolled Uncontrolled Controlled Uncontrolled Controlled Controlled (tor:/year) (tons/year) (tons/year) (tons/year) (tons/year) (lbs/month) VOC 40.' .T: ._ ....7 330 .. PM10 J:_ 4.0 0_:: .,... _.v. ... PM2.5 0.0 3.0 ..,3_ 0,0 0..0 NOz ._l 302 101 002 CO 0.1 _09 10229 _:1 a._. ._.0 Potential to Emit Actual Emissions Requested Permit Limits Hazardous Air Pollutants Uncontrolled Uncontrolled Controlled Uncontrolled Controlled (Ibs/year) (Ibs/year) (Ibs/year) (Ibs/Year) (Ibs/year) Benzene 1354 039 _ 1_054 .. Toluene 019 165 3 333 _ Ethylbenzene 33 32 4 30 .. Xyiene 37 n-Hexane 4429 5.301 -„ 224TMP _ " 2 of 7 K:\PA\2019\19 WE0976.CP1 • SectionReeulatory Summary Analysis Regulation 3,Parts A,B Regulation],Section X011.8,C1,C3 Regulation 1,Section SVII.C2 .. a•b >. .. Regulation 6,Part A,NIPS Subpart Kb Store, +•:,>on:s_,c.. '.9-3 n'_+ Regulation 6,Part A,N5P55ubpart OOOO -,s _ ...... .. ......... MPS Subpart OOOOa (See regulatory applicabllityworksheet for detailed analysis) Section 01-Initial and Periodic Sampling and Testing Requirements Does the company use a site specific emissions factor to estimate emissions? g'li+ . 417g.7 473. If yes and if there are flash emissions,are the emissions factors based on a pressurized liquid water sample drawn at the f ilty ...4 being permitted and analyzed using flash liberation analysis?This sample should be considered representative which generally :as means site-specific and collected within one year of the application received date.However,if the facility has not been modified (e.g„no new wells brought on-line(,then It may be appropriateto use en older site-specific sample. x. If no,the permit will contain an"InitialCompliance"testing requirement to develops site specific emissions factor.See P5 Memo 14-03,Questions 5.9 and 5.12 for additional guidance on testing. a. :.. d'G,U,a... Does the company request a control device efficiency greater than 95%for a flare or combustion device? If yes,the permit will contain compliance testing requirements to demonstrate the destruction efficiency of the combustion device based on inlet and outlet concentration sampling Section OS-Technical Analysis Notes As these produced watet tanks are controlled'bynhesame ECDwhichglso controts the condensate tank battery,all pilot ilghtrelated.eniisions have been 2ecoUnted for on Point 001. See fladh libeiation anelysistabfr rtA calculation resUlts,whichverifythat emssion factors listed on APED are all accUrateend/or conservative. Section 09-InventernSCC Coding and Emissions Factors Uncontrolled Emissions AIRS Point g Process it SCC Code Pollutant Factor Cantrel% Units 002 01 4-04-003-15 Feed Roof Tank,Produced Water,workingrneathing+flashing losses PM10 0.0 6/1,000 gallons liquid throughput PM2.5 0.0 b/1,000 gallons liquid throughput NOt '1.. 0.0 b/1,000 gallons liquid throughput VOC .. 99.8 6/1,000 gallons liquid throughput CO ..i:.9: 0.0 6/1,000 gallons liquid throughput Benzene +,. 99.0 b/1,000 gallons liquid throughput Toluene •22 99.8 b/1,000gallons liquid throughput Ethylbenzene v 99.8 b/1,000 gallons liquid throughput Xylene 99.8 6/1,000 gallons liquid throughput n-Hevane p.>. 99.8 b/1,000 gallons liquid throughput 224 TMP ,.,... 99.8 b/1,000 gallons liquid throughput Soil K:\PA\2019\19 WE09]6.CP1 EPA Emission Inventory Improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3) Ex=O'MW'Xx/t Ex=emissions of pollutantx Q=Volumetric flow rate/volume of gas processed MW=Molecular weight of gas=SG of gas'MW of air Xx=mass fraction of x in gas C=molar volume of ideal gas(379 scf/Ib-mol)at 60F and 1 atm MW =25«9365 Ib/Ib-mat i Throughput ton4224.5 bbl/year Gas-to-Oil Ratio(GOR) 7.5 scf/bbl mss fraction(/) Emission Factor lb/bbl Emissions Ibs/ear) Helium LEO 0.000E+00 ...,% CO2 .31.31 1.605E-01 15xc=59.5 02 : 2.28 1...1.03.1 29 —=._ H25 0.00 0.�O4':...... methane 2-0.27 ethane 12.71 pro•ane 5.4G Isobutane :77 t 3,,. ``' 15 n-butane .15 1.10 1' _ FLASH W+B e t Isopentane .).84 42, n-pentane 1-11 5'1-..' 224-TMP 0.000003 9.11E-10 b v c clopentane .09 1' 459 1 Benzene 0.-001046 3.72E-07 tttZtORINAK, n-Hexane -66 44[: 0G •-5 Toluene 0.000915 3.25E-07 y Z0i e0 c clohexane �22 1.11.' - 11 Ethylbenzene 0.000039 1.38E-08 ' Otherhexanes 1.15 9.00- > -.. Xylenes 0.000326 1.16E-0] 444 s 4 he•tanes 0.02 4. 42.%:-.20 n-Hexane 0.0044044 1.56E-06 % methylcyclohexane 4.31 t6T.Z S.: ,..,.,..474-%:,..,1k!%41 r 224 TMP 2120 Benzene 0.20 1.t. .:...i.%%.%, VOC 0.07910 1.82E-04 4. ;..$•6t Toluene 0,08 '...,:$,... Ethylbenzene 0101 90.12 0.00811 X tones 9.u- ,32,..,.— C8 9.60 3119.59 C9 0.14 .-_.. C10 2.44 C11+ Total /i li ry/gf Total VOC W t,a Produced Water Storage Tank Regulatory Analysis Worksheet The regulatory requirements below ore determined based on requested emissions. Colorado Regulation 3 Parts A and B-APEN and Permit Requirements -...a.nment Alva - ATTAINMENT 1. Are uncontrolled actual emissionsfrom any criteria pollutants from this individual source greater than 2TPY(Regulation 3,Part A,Section II.D.1.a)? 2. Is the operator claiming less than 1%crude oil and is the tank located at a non-commercial facility for processing oil and gas wastewater?(Regulation 3,Part B,Section II.D.1.M) 3. Are total facility uncontrolled VOC emissions greater than 5TPY,NOx greater than lO TPY or CO emissions greater than lO TPY(Regulation 3,Part B,Section 11.0.3)? NON-ATTAINMENT 1. Are uncontrolled emissions from any criteria pollutants from this individual source greater than 1TPY[Regulation 3,Part A,Section II.D.1,a)? Yes -Source Requires en AP 2. Is the operator claiming less than 1%crude oil and is the tank located at a non-commercial facility for processing oil and gas wastewater?(Regulation 3,Part B,Section ll.D.1.M) No Go to next question 3. Are total facility uncontrolled VOC emissions greater than 2TPY,NOx greater than 5TPY or CO emissions greater than 1OTPY(Regulation 3,Part B,Section 11.0.2)? Yes Source Requires a pert Colorado Regulation 7,Section XVII 1, Is this tank located at atransmission/storage facility? Continue-You have in 2. Is this produced water storage tank'located at an oil and gas exploration and production operation,well production facility',natural gas compressor station'or natural gas processing plant? Continue-You have in 3. Is this produced water storage tank a fixed roof storage tank? Yes Go to the next questio 4. Are uncontrolled actual ernissions4 of this storage tank equal to or greater than 6tons per year VOC? Yes Source is subject to pa Section XVII.B—General Provisions for Air Pollution Control Equipment and Prevention of Emissions Section XVII,C,t-Emissions Control and Monitoring Provisions Section XVII.[3 Recordkeeping Requirements 5. Does the produced water storagek contain only',stabilized'.liquids?If no,the following additional provisions apply. INo :.(Source is subject to all IStotage tank:uu c`.to Pepula'_. Section XVII.C.2-Capture and Monitoringfor Storage Tanks fitted with Air Pollution Control Equipment - 40 CFR.Part 60 Subpart Kb,Standards of Performance for Volatile Organic Liquid Storage Vessels 1. Is the individual storage vessel capacity greater than or equal to 75 cubic meters(m)['47288Ls]7 No Storage Tank is not sul 2. Does the storage vessel meet the following exemption In 60.111b(d)(4)? a.Does the vessel has a design capacity less than or equal to 1,589.874 m'(-10,O00 BBLl used for petroleum'or condensate stored,processed,or treated prior to custody transfers as,defined in 60.111b? 3. Was this condensate storage tank constructed,reconstructed,or modified(seedefinitions 40 CFR,60.2)after July 23,1984? 4. Does the tank meet the definition of"storage vessel"'In 60.1116? 5. Does thestoage vessel store a"volatile organic liquid(VOL)"'as defined in 60.111b? 6. Does the storage vessel meet any one of the following additional exemptions: a,Is the storage vessel a pressure vessel designed to operate in excess of 204,9 kPa["29.7 psi]and without emissions to the atmosphere(60.110b(d)(2))?;or b.The design capacity is greater than or equal to 151 m°("950 BBL)and stores a liquid with a maximum true vapor pressure'less than 3.5 kPa(60.1106(6))7;or • c.The design capacity is greater than or equal to 75 Ms[-472 BBL]but less than 151 m'["950 BBL]and stores a liquid with a maximum true vapor pressures less than 15.0 kPa(60.11ob(b))? 7. Does the storage tank meet either one of the following exemptions from control requirements: e.The design capacity is greaterthan or equal to 151 m'['-950 BBL]and stores a liquid with a maximum true vapor pressure greater than or equal to 3.5 kna but less than 5.2 kPa7;or • b.The design capacity is greater than or equal to 75 M°['472 BBL(but less than 151 m'(-950 BBL]and stores a liquid with a maximum true vapor pressure greater than or equal to 15.0 kPa but less than 27.6 kPal 11 40 CFR,Part 60,Subpart 0000/0000a,Standards of Performance for Crude Oil and Natural Gas Production,Transmission and Distribution 1. Is this produced water storage vessel located at a facility In the onshore oil and natural gas production segment,natural gas processing segment or natural gas transmission and storage segment of the industry? Continue-You have in 2. Was this produced water storage vessel constructed,reconstructed,or modified(see definitions 40 CFR,60.2)between August 23,2011 and September 18,2015? No ::Storage Tank is not sul 3. Was this produced water storage vessel constructed,reconstructed,or modified(see definitions 40 CFR,60.2)after September 18,2015? Yes: Go to the next questio 4. Are potential VOC emissions'from the individual storage vessel greater than or equal to 6 tons per year? No Storage Tank is not sul 5. Does this produced waterstorege vessel meet the definition of"storagevessel"per 60.5430/60.5430a? 6. Is the storage vessel subject to and controlled in accordance with requirements for storage vessels in 40 CFR Part 60 Subpart Kb or 40 CFR Part 63 Subpart HH? IStomge rank rs.ietn,h7ect to,SP 5.-0,10 • [Note:If a storage vessel is previously determined to be subject to NSPS 0000/0000a due to emissions above 6 tons per year VOC on the applicability determination date,It should remain subject to NSPS 0000/0000a per RAC-Review RAC-review b required if Regulation 7 does not apply AND if the tank is in the non-attainment area.tithe tank meets both criteria,then review RACP requirements. Disclaimer This document assists operators wih determining appticabPdy of certain requirements of the Clean Air Act,Its implementing regulations,and Air Quality Control Communion regulations.This document is not a rule or regulation,and the anaysis d contains may not apply to a particular situation based upon the individual fads and circumstances.This document does not change or substitute for any law, regulation,or any other legally binding requirement and is not legally enforceable.In the event of any confbct between the language of this document and the language of the Clean Air Act,.its implementing regulations,and Air Quality Control Commission regulations,the language of the statute or regulation will control The use of non-mandatory language such as°recommend,"°may,' 'should,"and°can,°is intended to describe APCO interpretations and recommendations.Mandatory terminology such as°must"and'required"are intended to describe controlling requirements under the terms of the Clean Air Act and Air Quality Control Commission regulations,but this document does not establish legally binding requirements in and of itself. COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION FACILITY EMISSION SUMMARY • Company Name SRC Energy Inc. County AIRS ID 123 History File Edit Date 10/28/2020 Plant AIRS ID A099 Ozone Status Non-Attainment Facility Name Bost Farm 5-7 Pad EMISSIONS-Uncontrolled(tons per year) EMISSIONS With Controls(tons per year) POINT PERMIT Description PM10 PM2.5 H2S SO2 NOx. VOC. Fug CO Total PM10 PM2.5 H2S SO2 NOx VOC Fug CO Total REMARKS AIRS VOC HAPs VOC HAPs ID Previous FACILITY TOTAL 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0,0 0.0 0.0 0.0 New Facility-No Previous Total Previous Permitted Facility total 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 001 19WE0975 Eight(8)400 bbl Condensate Tanks 1.5 8,346.0 6.8 2,188.6 1.5 16.7 6.8 4.4 002 19WE0976 Two(2)400 bbl Produced Water Tanks 0.0 40.7 0.1 3.4 0.0 0.1 0.1 0.0 003 19WE0977 Truck Loadout 0.1 39.0 0.5 0.9 0.1 2.0 0.5 0.0 004 GP02 Caterpillar G3515J,4SLB,1350hp,SN: 0.5 0.5 6.7 23.1 41.4 5.6 0.5 0.5 6.7 9.3 13.3 5.6 W P W02807 005 GP02 Doosan 21.9L,4SRB,550hp,SN: 0.3 0.3 38.6 3.7 65.0 0.5 0.3 0.3 3.7 3.7 8.0 0.5 EZYOF803103 006 GP02 Doosan 21.9L,4SRB,550hp,SN: 0.3 0.3 38.6 3.7 65.0 0.5 0.3 0.3 3.7 3.7 8.0 0.5 EZYOF903525 0.0 0.0 0.0 0.0 0.0• 0.0 0.0 0.0 0.0 0.0 0.0 0.0 FACILITY TOTAL 1.1 1.1 0.0 0.0 85.5 8,456.2 0.0 178.8 2,199.6 1.1 1.1 0.0 0.0 15.7 35.5 0.0 36.7 11.1 VOC: Syn Minor(NANSR and OP) NOx:Syn Minor(NANSR and OP) CO: Syn Minor(OP) HAPS: Syn Minor B,T,X,n-Hex&Total HH: Syn Minor 7777: Syn Minor Permitted Facility Total 1.1 1.1 0.0 0.0 85.5 8.456.2, 0.0 178.8 2,199.6 1.1 1.1 0.0_ 0.0 15.7 35.5 0.0 36.7 11.1 Excludes units exempt from permits/APEN5 (A)Change in Permitted Emissions 1.1 1.1 0.0 0.0 15.7 35.5 0.0 36.7 Pubcom required based on requesting Syn Minor permit limits Total VOC Facility Emissions(point and fugitive) 35.5 Facility is eligible for GP02 because a 90 tpv (5)Change in Total Permitted VOC emissions(point and fugitive) 35.5 Project emissions less than 25 tpy Note 1 • Note 2 • Page 6 of 7 Printed 10/28/2020 COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION DIVISION FACILITY EMISSION SUMMARY-HAPs Company Name SRC Energy Inc. County AIRS ID 123 Plant AIRS ID A099 Facility Name Bost Farm 5-7 Pad Emissions-uncontrolled(lbs per year) POINTIPERMIT Description Formaldehyde Acetaldehyde Acrolein Benzene Toluene Ethylbenzene Xylenes n-Hexane McOH 224 TMP H2S TOTAL(tpy) Previous FACILITY TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 0.0 001 19WE0975 Eight(8)400 bbl Condensate Tanks 410767 456269 16637 176797 3312368 4437 2188.6 002 19WE0976 Two(2)400 bbl Produced Water Tanks 1054 919 39 327 4429 3 3.4 003 19WE0977 Truck Loadout 118 139 5 54 1448 2 0.9 004 GP02 Caterpillar G3515J,4SLB,1350hp,SN 9593 810 498 42 242 5.6 005 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 006 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 0.0 0.0 0.0 0.0 0.0 0.0 TOTAL(trw) 5.5 0.5 0.3 206.0 228.7 8.3 88.6 1659.1 0.2 2.2 . 0.0 0.0 2199.6 `Total Reportable=all HAPs where uncontrolled emissions>de minimus values Red Text' uncontrolled emissions<de minimus Emissions with controls(lbs per year) POINT PERMIT IDescription Formaldehyde Acetaldehyde Acrolein Benzene Toluene Ethylbenzene Xylenes n-Hexane McOH 224 TMP H2S TOTAL(tpy) 'Previous FACILITY TOTAL 0 0 0 0 0 0 0 0 ' 0 0 0 0 0.0 001 19WE0975 Eight(8)400 bbl Condensate Tanks 822 913 33 354 6625 9 4.4 002 19WE0976 Two(2)400 bbl Produced Water Tanks 2 2 0 1 9 0 0.0 003 19WE0977 Truck Loadout 6 7 0 3 72 0 0.0 004 GP02 Caterpillar G3515J,4SLB, 1350hp,SN 9593 810 498 42 242 5.6 005 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 006 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 0.0 0.0 0.0 0.0 0.0 0.0 TOTAL(tpy) 5.5 0.5 0.3 0.5 0.5 0.0 0.2 3.4 0.2 0.0 0.0 0.0 11.1 7 19WE0976.CP1 10/28/2020 •r COLORADO Air Pollution Control Division CDPHE Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado CONSTRUCTION PERMIT Permit number: 19WE0977 Issuance: 1 Date issued: Issued to: PDC Energy, Inc. Facility Name: Bost Farm 5-7 Pad Plant AIRS ID: 123/A099 Physical Location: NWNW SEC 7 T5N R66W County: Weld County Description: Well Production Facility Equipment or activity subject to this permit: Equipment AIRS Emissions Control ID Point Equipment Description Description LOAD-1 003 Truck toadout of condensate by Enclosed Flare submerged fill 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 seq), to the specific general terms and conditions included in this document and the following specific terms and conditions. REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. Within one hundred and eighty days (180) of the latter of commencement of operation or issuance of this permit, compliance with the conditions contained in this permit must 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. A self certification form and guidance on how to self- certify compliance as required by this permit may be obtained online at www.colorado.gov/cdphe/air-permit-self-certification. (Regulation Number 3, Part B, Section III.G.2.) 2. This permit must 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 Page 1 of 11 . v. COLORADO lip. 14ttl Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado estimated completion date. The Division may grant extensions of the deadline. (Regulation Number 3, Part B, Section III.F.4.) I.F.4.) 3. The operator must 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 4. Emissions of air pollutants must not exceed the following limitations. (Regulation Number 3, Part B, Section II.A.4) Annual Limits: AIRS Tons per Year Emission Equipment ID Type PM2.5 NO, VOC CO T e LOAD-1 003 --- --- 2.0 --- Point Note: 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 must not exceed 8.0 tons per year. Facility-wide emissions of total hazardous air pollutants must not exceed 20.0 tons per year. The facility-wide emissions limitation for hazardous air pollutants must apply to all permitted emission units at this facility. Compliance with the annual limits, for both criteria and hazardous air pollutants, must 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 must calculate actual emissions each month and keep a compliance record on site or at a local field office with site responsibility for Division review. 5. The owner or operator must use the emission factors found in "Notes to Permit Holder" to calculate emissions and show compliance with the limits. The owner or operator must submit an Air Pollutant Emission Notice (APEN) and receive a modified permit prior to the use of any other method of calculating emissions. 6. The emission points in the table below must be operated and maintained with the emissions control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit. (Regulation Number 3, Part B, Section III.E.) Equipment AIRS Control Device Pollutants Controlled ID Point Page 2 of 11 C :r+... COLORADO IP, WI Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado LOAD-1 003 Enclosed Flare VOC and HAP PROCESS LIMITATIONS AND RECORDS 7. This source must be limited to the following maximum processing rates as listed below. Monthly records of the actual processing rate must be maintained by the owner or operator and made available to the Division for inspection upon request. (Regulation Number 3, Part B, Section II.A.4) Process/Consumption Limits Equipment AIRS Process Parameter Annual Limit ID Point LOAD-1 003 Condensate Loaded 380,034 barrels The owner or operator must calculate monthly process rates based on the calendar month. Compliance with the annual throughput limits must 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 must calculate throughput each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. STATE AND FEDERAL REGULATORY REQUIREMENTS 8. 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. (Regulation Number 1, Section II.A.1. &t 4.) 9. This source is subject to the odor requirements of Regulation Number 2. (State only enforceable) 10. Hydrocarbon liquids loadout from storage tanks to transport vehicles must be controlled by using (a) submerge fill and (b) a vapor collection and return system and/or air pollution control equipment. Compliance with Section II.C.5. must be achieved in accordance with the following schedule: (Regulation Number 7, Part D, Section II.C.5.a.) • Facilities constructed or modified on or after May 1, 2020, must be in compliance by commencement of operation. • Facilities constructed before May 1, 2020, must be in compliance by May 1, 2021. • Facilities not subject to Sections II.C.5.a.(i)(A) or II.C.5.a.(i)(B) that exceed the hydrocarbon liquids loadout to transport vehicles throughput of greater than or equal Page 3 of 11 C COLORADO Air Pollution Control Division Department or Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado to 5,000 barrels per year on a rolling 12-month basis must control emissions from loadout upon exceeding the loadout threshold. 11. Storage tanks must operate without venting at all times during loadout. (Regulation Number 7, Part D, Section II.C.5.a.(ii)) 12. The owner or operator must, as applicable (Regulation Number 7, Part D, Section II.C.5.a.(iii)): • • Install and operate the vapor collection and return equipment to collect vapors during the loadout of hydrocarbon liquids to tank compartments of outbound transport vehicles and to route the vapors to the storage tank or air pollution control equipment. • Include devices to prevent the release of vapor from vapor recovery hoses not in use. • Use operating procedures to ensure that hydrocarbon liquids cannot be transferred to transport vehicles unless the vapor collection and return system is in use. • Operate all recovery and disposal equipment at a back-pressure less than the pressure relief valve setting of transport vehicles. • The owner or operator must inspect onsite loading equipment to ensure that hoses, couplings, and valves are maintained to prevent dripping, leaking, or other liquid or vapor loss during loadout. These inspections must occur at least monthly, unless loadout occurs less frequently, then as often as loadout is occurring. 13. The owner or operator must perform the following observations and training (Regulation Number 7, Part D, Section II.C.5.a.(iv)): • The owner or operator must observe loadout to confirm that all storage tanks operate without venting when loadout operations are active. These inspections must occur at least monthly, unless loadout occurs less frequently, then as often as loadout is occurring, • If observation of loadout is not feasible, the owner or operator must document the annual loadout frequency and the reason why observation is not feasible and inspect the facility within 24 hours after loadout to confirm that all storage tank thief hatches (or other access point to the tank) are closed and latched. • The owner or operator must install signage at or near the loadout control system that indicates which loadout control method(s) is used and the appropriate and necessary operating procedures for that system. • The owner or operator must develop and implement an annual training program for employees and/or third parties conducting loadout activities subject to Section II.C.5. that includes, at a minimum, operating procedures for each type of loadout control system. 14. The owner or operator must retain the records required by Regulation Number 7, Part D, Section II.C.5.a.(v) for at least two (2) years and make such records available to the Division upon request. Page 4 of 11 «�;..� COLORADO Air Pollution Control Division IDepartment of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado • Records of the annual facility hydrocarbon liquids loadout to transport vehicles throughput. • Inspections, including a description of any problems found and their resolution, required under Sections II.C.5.a.(iii) and II.C.5.a.(iv) must be documented in a log. • Records of the infeasibility of observation of loadout. • Records of the frequency of loadout. • Records of the annual training program, including the date and names of persons trained. 15. Air pollution control equipment used to comply with this Section II.C.5. must comply with Section II.B., be inspected in accordance with Sections II.C.1.d.(ii) through (v), and achieve a hydrocarbon control efficiency of 95%. (Regulation Number 7, Part D, Section II.C.5.a.(vi)) 16. On or before June 30th, 2021 (and on June 30th each year thereafter), the owner or operator of oil and natural gas operations and equipment at or upstream of a natural gas processing plant in Colorado must submit a single annual report that includes actual emissions and specified information in the Division-approved report format. The information included in the annual report must be in accordance with the general reporting requirements of Regulation Number 7, Part D, Section V.B. Beginning July 1, 2020, and each calendar year thereafter, owners or operators must maintain the information according to Regulation Number 7, Part D, Section V.C. for inclusion in the annual report. (Regulation Number 7, Part D, Section V) OPERATING & MAINTENANCE REQUIREMENTS 17. Upon startup of these points, the owner or operator must follow the most recent operating and maintenance (0£tM) plan and record keeping format approved by the Division, in order to demonstrate compliance on an ongoing basis with the requirements of this permit. Revisions to your O&tM plan are subject to Division approval prior to implementation. (Regulation Number 3, Part B, Section III.G.7.) COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 18. This source is not required to conduct initial testing, unless otherwise directed by the Division or other state or federal requirement. Periodic Testing Requirements 19. This source is not required to conduct periodic testing, unless otherwise directed by the Division or other state or federal requirement. ADDITIONAL REQUIREMENTS 20. A revised Air Pollutant Emission Notice (APEN) must be filed: (Regulation Number 3, Part A, Section II.C.) Page 5 of 11 �4'•;r COLORADO Air Pollution Control Division COPHE Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado • Annually by April 30th whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting less than 100 tons per year, a change in actual emissions of five (5) tons per year or more, above the level reported on the last APEN; or For volatile organic compounds (VOC) and nitrogen oxides sources (NOr) in ozone nonattainment areas emitting less than 100 tons of VOC or NOX per year, a change in annual actual emissions of one (1) ton per year or more or five percent, whichever is greater, above the level reported on the last APEN; or 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. 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. • Whenever there is a change in the owner or operator of any facility, process, or activity; or • Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or • Whenever a permit limitation must be modified; or • No later than 30 days before the existing APEN expires. 21. The requirements of Colorado Regulation Number 3, Part D shall apply at such time that any stationary source or modification becomes a major stationary source or major modification solely by virtue of a relaxation in any enforceable limitation that was established after August 7, 1980, on the capacity of the source or modification to otherwise emit a pollutant such as a restriction on hours of operation (Reference: Regulation Number 3, Part D, V.A.7.B). GENERAL TERMS AND CONDITIONS 22. 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 Number 3, Part B, Section II.B. upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 23. 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 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 Number 3, Part B, Section III.G. Final Page 6 of 11 .�•: COLORADO 410 lire- Air Pollution Control Division Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado 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. 24. 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. 25. 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. 26. 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 must constitute a rejection of the entire permit and upon such occurrence, this permit must 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. 27. 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. 28. 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. Page 7 of 11 * COLORADO Air Pollution Control Division Cori+ Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado By: DRAFT Ben Fischbach Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to SRC Energy, Inc. New Synthetic Minor Facility Page 8 of 11 C �Y•,x� COLORADO Air Pollution Control Division �3 � I Department of Public Health b Environment Dedicated to protecting and improving the health and environment of the people of Colorado 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 must pay the invoice within 30 days of receipt of the invoice. Failure to pay the invoice will result in revocation of this permit. (Regulation Number 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 must 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: . » - 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. AIRS Uncontrolled Controlled Point Pollutant CAS # Emissions Emissions (lb/yr) (lb/yr) Benzene 71432 118 6 Toluene 108883 139 7 Ethylbenzene 100414 5 0 003 Xylenes 1330207 54 3 n-Hexane 110543 1,448 72 224 TMP 540841 2 0 Note: All non-criteria reportable pollutants in the table above with uncontrolled emission rates above 250 pounds per year (lb/yr) are reportable and may result in annual emission fees based on the most recent Air Pollution Emission Notice. Page 9 of 11 �•z COLORADO Air Pollution Control Division CDPHE Department of Publtc Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado 5) The emission levels contained in this permit are based on the following emission factors: Uncontrolled Controlled Pollutant CAS # Emission Emission Source Factors Factors lb/bbl lb/bbl NOx 5.35 * 10"4 5.35 * 10-4 CO 2.44 * 10-3 2.44 * 10-3 VOC 2.05 * 10"1 1.02 * 10"z Benzene 71432 3.11 * 10"4 1.56 * 10"5 Toluene 108883 3.65 * 10"4 1.82 * 10-5 AP-42 Ethylbenzene 100414 1.43 * 10-5 7.14 * 10"' Xylene 1330207 1.43 * 10-4 7.14 * 10"6 n-Hexane 110543 3.81 * 10"3 1.91 * 10-4 224 TMP 540841 4.92 * 10-6 2.46 * 10-' The uncontrolled VOC emission factor was calculated using AP-42, Chapter 5.2, Equation 1 (version 1/95) using the following values: L = 12.46*S*P*M/T S = 0.6 (Submerged loading: dedicated normal service) P (true vapor pressure) = 5.2 psia M (vapor molecular weight) = 66 lb/lb-mol T (temperature of liquid loaded) = 526 °R The uncontrolled non-criteria reportable air pollutant (NCRP) emission factors were calculated by multiplying the ratio of the mass fraction of each NCRP in the vapors to the VOC in the vapors, by the VOC emission factor. Controlled emission factors are based on a flare efficiency of 95% and a collection efficiency of 100%. 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 must 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 Page 10 of 11 COLORADO Air Pollution Control Division COPHB Department of Public Health b Environment Dedicated to protecting and improving the health and environment of the people of Colorado 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: VOC, CO, NOx, Benzene, Toluene, Xylenes, n-Hexane, Total HAP PSD Synthetic Minor Source of: VOC NANSR Synthetic Minor Source of: VOC, NOx 8) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://www.ecfr.gov/ Part 60: Standards of Performance for New Stationary Sources NSPS 60.1-End Subpart A - Subpart UUUU 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 MMMMM MACT 63.8980-End Subpart NNNNN - Subpart XXXXXX Page 11 of 11 Colorado Air Permitting Project PRELIMINARY ANALYSIS-PROJECT SUMMARY Project Details For Division Use Only Review Engineer: Ben Fischbach Package#: 420362 Received Date: 10/8/2019 Review Start Date: 1/29/2020 Section 01-Facility Information Company Name: PDC Energy Inc Quadrant Section Township Range County AIRS ID: 123 NWNW 7 5N 66 Plant AIRS ID: A099 Facility Name: Bost Farm 5-7 Pad Physical Address/Location: .nod ant of Sector,7,Township SN,Rang=-a County: IWeld County Type of Facility: Exploration&Productioiih° fr f What industry segment?Oil&Natural Gas Production&Processing Is this facility located in a NAAQS non-attainment area? Yes If yes,for what pollutant? Ozone(NOx&VOC) Section 02-Emissions Units In Permit Application Leave Blank-For Division Use Only Permit# AIRS Point# Emissions (Leave blank unless Issuance Self Cert Engineering (Leave blank unless APCD Emissions Source Type Equipment Name Action - Control? APCD has already # Required? Remarks has already assigned) assigned) Permit Initial 001 Condensate Tank TNK 1-8 Yes 19WE0975 1 Yes Issuance Permit Initial 002 Produced Water Tank PW 1-2 Yes 19WE0976 1 Yes Issuance Permit Initial 003 Liquid Loading LOAD-1 - Yes 19WE0977 1 Yes Issuance Section 03-Description of Project SRC Energy has submitted APENs for the following new sources at the newly constructed Bost Farm 5-7 Pad Facility in Weld County:... Three(3)SI RICE Engines(permitted under GP02) One(1)Condensate Tank Battery One(1)Produced Water Tank Battery One(1)Loadout operation. The facility is synthetic minor for VOC,CO,n-Hexane,and Total HAPs(wrt TV permitting thresholds),facility is synthetic minor for VOC(wrt NANSR and PSD thresholds). Sections 04,05&06-For Division Use Only Section 04-Public Comment Requirements Is Public Comment Required? - Yes If yes,why? Requesting Synthetic Minor Permit Section 05-Ambient Air Impact Analysis Requirement Was a quantitative modeling analysis required? No. If yes,for what pollutants? If yes,attach a copy of Technical Services Unit modeling results summary. Section 06-Facility-Wide Stationary Source Classification Is this stationary source a true minor? No Is this stationary source a synthetic minor? Yes If yes,indicate programs and which pollutants: 502 NOx CO VOC PM2.S y PM10 TSP HAPs Prevention of Significant Deterioration(PSD) Ff Lam' —, ❑ ❑ Title V Operating Permits(OP) J J. iLlf J Non-Attainment New Source Review(NANSR) J Is this stationary source a major source? No If yes,indicate programs and which pollutants: SO2 NOx CO VOC PM2.5 PM10 TSP HAPs Prevention of Significant Deterioration(PSD) _ Title V Operating Permits(OP) ❑ ❑ Non-Attainment New Source Review(NANSR) Hydt'Ocatbon Load:pot Em sslolis(rt•/c ntory Section 01-Administrative Information A099 003 Facility Mils ID- County Plant Point Section 02-Equipment Description Details Detailed Emissions Unit Loadout of condensate to tank trucks.Description: ' Emission Control Device ECD Description: Is this loadout controlled? Requested Overall VOC&HAP Control Efficiency%: 95 Section 03-Processing Rate Information for Emissions Estimates Primary Emissions-Hydrocarbon Loadout Actual Volume Loaded= 316;693 Barrels(bbl)per year Requested Permit Limit Throughput= 380,034 Barrels(bbl)per year Requested Monthly Throughput= 3_2:7 Barrels(bbl)per month I Potential to Emit(PTE)Volume Loaded= 380,034 Barrels(bbl)per year Secondary Emissions-Combustion Device(s) Heat content of waste gas= 2630 Btu/scf Actual Volume of waste gas emitted per year= . _:scf/year Requested Volume of waste gas emitted per year= =scf/year Actual heat content of waste gas routed to combustion device= MMBTU per year Requested heat content of waste gas routed to combustion device= MMBTU per year Potential to Emit(PTE)heat content of waste gas routed to combustion device= MMBTU per year Control Device Pilot Fuel Use Rate: 75 scfh MMscf/yr Pilot Fuel Gas Heating Value: 1125 Btu/scf .. -MMBTU/yr Section 04-Emissions Factors&Methodologies Does the company use the state default emissions factors to estimate emissions? -1,1g.'Li Are the emissions factors based on a stabilized hydrocarbon liquid sample drawn at the facility •'rid,-: - being permitted? «•:; . . Loading Loss Equation 1=12.465S°Pf M/T Factor Meaning Value Units Source 5 Saturation Factor KIEgeatig" AP-42 Chapter 511 bit 5.2I submerged Loading:Dedicated Normal Service(S-O.6 P True Vapor Pressure 5.2 psis AP-42 Table 3-2.Properties of Selected Petroleum Liquids:Gasoline RVP 10 @ 60F M Molecular Weight of Vapors 66 Ib/Ih-mol AP-42 Table 3-2.Properties of Selected Petroleum Liquids:Gasoline RVP 10@6OF T Liquid Temperature 526 Rankine AP-42 Table 3-2.Properties of Selected Petroleum Liquids:Gasoline RVP 10@ HOF Loading Losses 4 s'7-275045 lb/1000 gallons _s-..�_,..?•s lb/bbl Component Mass Fraction Emission Factor Units Source Benzene 1.52E-03 4,006511403 lb/bbl Promax W&B Stream results Toluene 1.78E-03 0 0____.1:4 lb/bbl Promax W&B Stream results Ethylbenzene 6.97E-05 _.+27952.25 lb/bbl Promax W&B Stream results Xylene 6.97E-04 640142495 lb/bbl Promax W&B Stream results n-Hexane - 1.86E-02 1.'03210597 lb/bbl Promax W&B Stream results 224TMP 2.40E-05 4.3150E-06 lb/bbl Promax W&B Stream results Emission Factors Hydrocarbon Loadout Uncontrolled Controlled • Pollutant (Ib/bbl) (lb/bbl) Emission Factor Source (Volume (Volume Loaded) Loaded) VOC 2.054-61 '02E-02 Site Spe'b 16 Chapter 5.2,Equation I Benzene 3 1I0 03 1.3-£-D3 Site Opec AP=42;Chapter 5.2,Equation 1 Toluene 3.646-44 .32E-CS Site Specific-AP-42:Chapter 5.2,Equation 1 Ethylbenzene Y 43 f Stte Specd w' AP 42 Chapter 5.2,Equation 1 Xylene 1.43E 7 144-66 :Chapter 5.2,Equation 1 n-Hexane 3.€ 3 ;Chapter 5.2,Equation 1 224TMP 4.92E-36 2.46E-07 f :Chapter 5.2,Equation.1 Control Device Uncontrolled Uncontrolled Pollutant (Ib/MMBtu) (Ib/bbp Emission Factor Source (Volume (waste heat combusted) Loaded) PM10 0.0075 AP-42 Table 1.q-Z1PM10/PM.2.5) PM2.5 0.0075 AP-42T ble 1. PM30/PM.2:51 SOx 4.0006, - AP-421 bleI6 x) NOx 0.0680- _ AP-42 Chapter Industrial Flares(F1C5x) CO 0.3100 _ -. AP-42 Chapt ,.Industrial Flares(CO) Pilot Light Emissions Uncontrolled Uncontrolled Pollutant (lb/MMBtu) (lb/MMscf) Emission Factor Source (Pilot Gas (Waste Heat Combusted) Throughput) PM10 0-0090 •: PM2.5 5.0008 SOx 0.6_0 NOx 0.0680 76.5064 AP-42 Chapter 13.5 industrial Flares(NOx)' CO 0.3100 3447501 AP-42 Chapter 135 Industrial Flares(CO) 2 of 6 K:\PA\2019\19WE0977.CP1 Hydrocarbon LOadotIT Emissions if^"d e,rj}i.3fy Section 05-Emissions Inventory Potential to Emit Actual Emissions Requested Permit Limits Requested Monthly Limits Criteria Pollutants Uncontrolled Uncontrolled Controlled Uncontrolled Controlled Controlled (tons/year) (tons/year) (tons/year) (tans/year) (tons/year) (lbs/month) PM10 - 1.01 -11 _ PM2.5 .. _ 5.01 5 _.. - - . SOx 1.45 3.30 s overall Combustion Emission Factors NOx 1,11 5.119 ,-. 5.35E-04 lb/bbl NOx VOC 39,65 374=; :_ __ _1< CO 0 15 0.-1i .- _ ,5 2.44E-03 lb/bbl CO Potential to Emit • Actual Emissions Requested Permit Limits Hazardous Air Pollutants Uncontrolled Uncontrolled Controlled Uncontrolled Controlled (Ibs/year) (lbs/year) (Ibs/year) (Ibs/year) (Ibs/year) Benzene 118 39 5 113 .. Toluene 139 125 ., 199. Ethylbenzene 5 5 1 4 Xylene 54 t5 3 54 3 n-Hexane 1445 1277 5C _1111 72 224TMP c _ 1 2 1 ' Section 06-Regulatory Summary Analysis Regulation 3,Parts A,B ,, RACE-Regulation 3,Part B,Section III.0.2.a (See regulatory applicability worksheet for detailed analysis) Section 07-Initial and Periodic Sampling and Testing Requirements Does the company request a control device efficiency greater than 95%for a flare or combustion device? 3+1 x, If yes,the permit will contain and initial compliance test condition to demonstrate the destruction efficiency of the combustion device based on inlet and outlet concentration sampling Section 08-Technical Analysis Notes This loadout operation will exceed 5,000 barrels annually,and is therefore subject to Regulation 7 Part D Section.Il.C 5. Annual waste gas emissions calculations were updated to reflect operators methodology,which results in a more conservative emission factor for both NOx and CO Section 09-Inventory SCC Coding and Emissions Factors Uncontrolled Emissions AIRS Point# Process# SCC Cade Pollutant Factor Control% Units 003 01 4-15,541514145 1i Wu Oil'.59bo1 791 i_ogigiiig=o.mai Sur..-9:1-803, PM10 222 0 lb/1,000 gallons transferred PM2.5 .:._11 5 lb/1,000 gallons transferred SOx 0.11 9 lb/1,000 gallons transferred NOx 0.01 0 lb/1,000 gallons transferred VOC 4.9 93 lb/1,000 gallons transferred CO a lb/1,000 gallons transferred (7 Benzene _.11 05 1b/1,000 gallons transferred Toluene 95 lb/1,000 gallons transferred Ethylbenzene '.c0 95 lb/1,000 gallons transferred 1 Xylene lb/1,000 gallons transferred n-Hexane ,'.21 95 lb/1,000 gallons transferred 224 TMP _.C_ 5; lb/1,000 gallons transferred I • r` • 3 of 6 K:\PA\2019\19W E0977.CP1 Hydrocarbon Loadout Regulatory Analysis Worksheet The regulatory requirements below are determined based on requested emissions. Colorado Regulation 3 Parts A and B-APEN and Permit Requirements v.....'s In the Nan-Attainment Area ATTAINMENT 1. Are uncontrolled actual emissions from any criteria pollutants from this individual source greater than 2 TPY(Regulation 3,PartA,Section iLD-l.e)? 2. Is the loadout located at an exploration and production site(e.g.,well pad)(Regulation 3,Part B,Section 11.0.1.1(? 3. Is the loadout operation loading less than 10,000 gallons(238 BBIs)of crude oil per day on an annual average basis? 4. Is the loadout operation loading less than 6,750 bbls per year of condensate via splash fill? 5. Is the loadout operation loading less than 16,308 bbls per year of condensate via submerged fill procedure? ` 6. Are total facilityuncontrolled VOC emissions greater than 5TPS,NOx greater than 10 TPY or CO emissions greater than 10 TPY(Regulation 3,Part B,Section 110.3)? IVcu have Indicated that spume s:n tha Nc-.drnemment sa sa NON-ATTAINMENT 1. Are uncontrolled emissions from any criteria pollutantsfrom this Individual source greater than 1TPY(Regulation 3,Part A,Section II,D.1.a)? Yes Go to next, 2. Is the loadout located at an exploration and production site(e.g.,well pad)(Regulation 3,Part B,Section 11.0.1.11? Yes Go to the n 3. Is the loadout operation loading less than 10,000 gallons(238 eeLs)of crude oil per day on an annual average basis? NO Go tonest' 4. Is the loadout operation loading less than 6,750 bbls per year of condensate via splash fill? No Go to next, 5. Is the loadoutoperatlon loading less than 16,300 bbls per year of condensate via submerged fill procedure? No Go to next, 6. Are total facility uncontrolled V0C emissions from the greater than 2 TPY,NOx greater than 5 TPY or CO emissions greater than lO TPY(Regulation 3,Part B,Section 11.0.2)? Yes The loadou ' leparce regain. mart 7. RACE-Are u ont lled VOC emissions from the loadout operation greater than 20 tpy(Regulation 3,Part B,Section lll.D.2.a)? Yes =]The loadou inn t„adopt must onantto with submerged fill and l a( 3t apps appssLpas nast be routed to flare to,51r614 SACS. Disclaimer This document assists operators with determining applicability of certain requirements of the Clean Air Act,its implementing regulations,and Air Quality Control Commission regulations.This document is nota rule or regulation,and the analysis it contains may not apply to a particular situation based upon the individual facts and circumstances.This document does not change or substitute for any law, regulation,or any other legally binding requirement and is not legally enforceable_In the event of any conflict between the language of this document and the language of the Clean Air Act„its implementing regulations,and Air Quality Control Commission regulations,the language of the statute or regulation will control. The use of non-mandatory language such as'recommend,''may,"'should,"and"can,"is intended to describe APCD interpretations and recommendations.Mandatory terminology such as'must"and"required"are intended to describe controlling requirements underthe terms of the Clean Air Act and Air Quality Control Commission regulations,but this document does not establish legally binding requirements in and of itself COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION FACILITY EMISSION SUMMARY Company Name SRC Enerov Inc. County AIRS ID 123 History File Edit Date 10/28/2020 Plant AIRS ID A099 Ozone Status Non-Attainment Facility Name Bost Farm 5-7 Pad EMISSIONS-Uncontrolled(tons per year) EMISSIONS With Controls(tons per year) POINT PERMIT Description PM10 PM2.5 H2S SO2 NOx VOC Fug CO Total PM10 PM2.5 1125 SO2 NOx VOC Fug CO Total REMARKS AIRS VOC HAPs VOC HAPs ID Previous FACILITY TOTAL 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 , 0.0 , 0.0 0.0 0.0 0.0 0.0 New Facility-No Previous Total Previous Permitted Facility total _ 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 001 19WE0975 Eight(8)400 bbl Condensate Tanks 1.5 8,346.0 6.8 2,188.6 - 1.5 16.7 6.8 4.4 002 19WE0976 Two(2)400 bbl Produced Water Tanks 0.0 ' 40.7 0.1 3.4 0.0 0.1 s 0.1 0.0 003 19WE0977 Truck Loadout 0.1 39.0 , 0.5 0.9 0.1 2.0 0.5 0.0 004 GP02 Caterpillar G3515J,4SLB,1350hp,SN: 0.5 0.5 6.7 23.1 41.4 5.6 0.5 0.5 6.7 9.3 13.3 5.6 WPW02807 005 GP02 Doosan 21.9L,4SRB,550hp,SN: 0.3 0.3 38.6 3.7 65.0 0.5 0.3 0.3 3.7 3.7 8.0 0.5 EZYOF803103 _ 006 GP02 Doosan 21.9L,4SRB,550hp,SN: 0.3 0.3 38.6 3.7 65.0 0.5 0.3 0.3 3.7 3.7 8.0 0.5 EZYOF903525 0.0 0.0 0.0 0.0 0.0 0.0 _ 0.0 0.0 0.0 0.0 - 0.0 0.0 FACILITY TOTAL 1.1 1.1 0.0 0.0 85.5 8,456.2 0.0 178.8 2,199.6 1.1 1.1 0.0 0.0 15.7 35.5 0.0 36.7 11.1 VOC: Syn Minor(NANSR and OP) NOx:Syn Minor(NANSR and OP) CO: Syn Minor(OP) HAPS: Syn Minor B,T,X,n-Hex&Total HH: Syn Minor ZZZZ: Syn Minor Permitted Facility Total 1.1 1.1 0.0 0.0 85.5 8,456.2 0.0 178.8 2,199.6 1.1 1.1 0.0 0.0 15.7 35.5 0.0 36.7 11.1 Excludes units exempt from permits/APENs (A)Change in Permitted Emissions 1.1 1.1 0.0 0.0 15.7 35.5 0.0 36.7 Pubcom required based on requesting Syn Minor permit limits Total VOC Facility Emissions(point and fugitive) 35.5 Facility is eligible for GP02 because<90 tpy (A)Change in Total Permitted VOC emissions(point and fugitive) 35.5 Project emissions less than 25 tpy Note 1 Note 2 Page 5 of 6 - Printed 10/28/2020 COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION DIVISION FACILITY EMISSION SUMMARY-HAPs Company Name SRC Energy Inc. County AIRS ID 123 Plant AIRS ID A099 Facility Name Bost Farm 5-7 Pad Emissions-uncontrolled(lbs per year) POINTIPERMIT ]Description Formaldehyde Acetaldehyde Acrolein Benzene Toluene Ethylbenzene Xylenes n-Hexane McOH 224 TMP H2S TOTAL(tpy) Previous FACILITY TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 0.0 001 19WE0975 Eight(8)400 bbl Condensate Tanks 410767 456269 16637 176797 3312368 4437 2188.6 002 19WE0976 Two(2)400 bbl Produced Water Tanks 1054 919 39 327 4429 3 3.4 003 19WE0977 Truck Loadout 118 139 5 54 1448 2 0.9 004 GP02 Caterpillar G3515J,4SLB,1350hp,SN 9593 810 498 42 242 5.6 005 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 006 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 0.0 0.0 0.0 0.0 0.0 0.0 TOTAL(tpy) 5.5 0.5 0.3 206.0 228.7 8.3 88.6 1659.1 0.2 2.2 0.0 0.0 2199.6 I *Total Reportable=all HAPs where uncontrolled emissions>de minimus values Red Text: uncontrolled emissions<de minimus Emissions with controls(lbs per year) IPOINTIPERMIT IDescription Formaldehyde Acetaldehyde Acrolein Benzene Toluene Ethylbenzene Xylenes n-Hexane McOH 224 TMP HP8 TOTAL(tray) (Previous FACILITY TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 0.0 001 19WE0975 Eight(8)400 bbl Condensate Tanks 822 913 33 354 6625 9 4.4 002 19WE0976 Two(2)400 bbl Produced Water Tanks 2 2 0 1 9 0 0.0 003 19WE0977 Truck Loadout 6 7 0 3 72 0 0.0 004 GP02 Caterpillar G3515J,4SLB,1350hp,SN 9593 810 498 42 242 5.6 005 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 006 GP02 Doosan 21.9L,4SRB,550hp,SN:EZY 716 98 92 55 107 0.5 0.0 0.0 0.0 0.0 - 0.0 0.0 TOTAL(tpy) 5.5 0.5 0.3 0.5 0.5 0.0 0.2 3.4 0.2 0.0 0.0 0.0 11.1 I 6 19WE0977.CP1 10/28/2020 CDPHE Condensate Storage Tank(s) APEN A Form APCD-205 CO „'' Air Pollutant Emission Notice (APEN) and Application for Construction Permit AU sections of this APEN and application must be completed for both new and existing facilities, including APEN updates. Incomplete APENs will be rejected and will require re-submittal. Your APEN will be rejected if it is filled out incorrectly, is missing information,or lacks payment for the filing fee. The re-submittal will require payment for a new filing fee. This APEN is to be used for tanks that store condensate associated with oil and gas industry operations. If your emission source does not fall into this category, there may be a more specific APEN available for your source(e.g. crude oil storage tanks, produced water storage tanks, hydrocarbon liquid loading, etc.). In addition, the General APEN (Form APCD-200)is available if the specialty APEN options will not satisfy your reporting needs.A list of all available APEN forms and associated addendum forms can be found on the Air Pollution Control Division (APCD) website at: www.cotorado.gov/pacific/cdphe/air-permits. This emission notice is valid for five(5)years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made(significant emissions increase, increase production, new equipment,change in fuel type,etc.). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Permit Number: q YVtc Q 7S" AIRS ID Number: 113 A0(:)5 / 641 [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 1 - Administrative Information Company Name': SRC Energy, Inc. PDC Energy, Inc. Site Name: Bost Farm 5-7 Pad Site Location Site Location: NWNW Sec. 7 T5N R66W County: Weld NAICS or SIC Code: 211111 Mailing Address: (Include Zip Code) 5400 W. 11th Street, Suite C Greeley, CO 80634 Contact Person: Brad Rogers Phone Number: (970) 475-5242 E-Mail Address2: brogers@srcenergy.com Use the full,legal company name registered with the Colorado Secretary of State.This is the company name that will appear on all documents issued by the APCD.Any changes will require additional paperwork. 2 Permits,exemption letters,and any processing invoices will be issued by the APCD via e-mail to the address provided. r «- n _..r0356 COL oeAoo Form APCD-2O5 Condensate Storage Tank(s)APEN - Revision 3/2019 1 I „ ;R �m:, Permit Number: AIRS ID Number: [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 2 - Requested Action 0 NEW permit OR newly-reported emission source 0 Request coverage under traditional construction permit O Request coverage under a General Permit O GP01 O GP08 If General Permit coverage is requested, the General Permit registration fee of$312.50 must be submitted along with the APEN filing fee. -OR- ❑ MODIFICATION to existing permit(check each box below that applies) ❑ Change in equipment O Change company name3 ❑ Change permit limit O Transfer of ownership' O Other(describe below) -OR- ❑ APEN submittal for update only(Note blank APENs will not be accepted) -ADDITIONAL PERMIT ACTIONS- CI APEN submittal for permit exempt/grandfathered source ❑ Limit Hazardous Air Pollutants(HAPs)with a federally-enforceable limit on Potential To Emit(PTE) Additional Info Ft Notes: Vapors from the tanks are captured by a VRU system.As a contingency plan, 10%of the vapors will be sent to the combustors to account for downtime. 3 For company name change,a completed Company Name Change Certification Form(Form APCD-106)must be submitted. 4 For transfer of ownership,a completed Transfer of Ownership Certification Form(Form APCD-104)must be submitted. Section 3 - General Information General description of equipment and purpose: Storage of condensate from production wells Company equipment Identification No. (optional): TNK 1-8 For existing sources, operation began on: For new or reconstructed sources, the projected start-up date is: 07/10/2019 Normal Hours of Source Operation: 24 hours/day 7 days/week 52 weeks/year Storage tank(s) located at: 1p Exploration&Production(E&P)site O Midstream or Downstream(non E&P)site Will this equipment be operated in any NAAQS nonattainment area? ❑ Yes O No Are Flash Emissions anticipated from these storage tanks? 0 Yes O No Is the actual annual average hydrocarbon liquid throughput a 500 bbl/day? 0 Yes O No If"yes", identify the stock tank gas-to-oil ratio: 0.00772 m3/liter Are these storage tanks subject to Colorado Oil and Gas Conservation Commission(COGCC) 0 Yes O No 805 series rules? If so, submit Form APCD-105. Are you requesting a 6 ton/yr VOC emissions(per storage tank),or are uncontrolled actual 0 Yes ❑ No emissions a 6 ton/yr(per storage tank)? COLORADO Form APCD-205- Condensate Storage Tank(s)APEN - Revision 3/2019 2 I 41.17 Permit Number: AIRS ID Number: [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 4 - Storage Tank(s) Information Actual Annual Amount Requested Annual Permit Limits (bbl/year) (bbl/year) Condensate Throughput: 3,166,934.3 3,800,343.5 From what year is the actual annual amount? 2019 Average API gravity of sates oil: 50.2 degrees RVP of sales oil: 9.6 Tank design: ❑Fixed roof O Internal floating roof O External floating roof Storage #of Liquid Manifold Storage Total Volume of Installation Date of Most Date of First Tank ID Vessels in Storage Tank Storage Tank Recent Storage Vessel in Production (bbl) Storage Tank(month/year) (month/year) TNK 1-8 8 3,200 06/2019 07/2019 Wells Serviced by this Storage Tank or Tank Battery6(E&P Sites Only) API Number Name of Well Newly Reported Well 05 -123 -47657 Bost Farm 30N-11 B-L El 05 - 123 -47656 Bost Farm 4N-11C-L El 05 - 123 -47659 Bost Farm 30N-11A-L El 05 - 123 -47660 Bost Farm 5N-11A-L El 05 • 123 -47661 Bost Farm 5C-11-L 0 5 Requested values will become permit limitations. Requested timit(s)should consider future growth. 6 The EEP Storage Tank APEN Addendum(Form APCD-212)should be completed and attached when additional space is needed to report all wells that are serviced by the equipment reported on this APEN form. Section 5 - Stack Information Geographical Coordinates (Latitude/Longitude or UTM) 40.41798/-104.82901 Operator Stack Discharge Height Above Temp. Flow Rate Velocity ID No. Ground Level(feet) (°F) (ACFM) (ft/sec) IES-1 27.21 1,076 451.4 0.16 Indicate the direction of the stack outlet: (check one) (]Upward O Downward O Upward with obstructing raincap ❑Horizontal O Other(describe): Indicate the stack opening and size: (check one) 0 Circular Interior stack diameter(inches): 92 ❑Square/rectangle Interior stack width(inches): Interior stack depth(inches): ❑Other(describe): Form APCD-2O5 - Condensate Storage Tank(s)APEN - Revision 3/2019 3 I AV COLOR&DO „M≥;n`.nLDO Permit Number: AIRS ID Number: / / [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 6 - Control Device Information 0 Check this box if no emission control equipment or practices are used to reduce emissions, and skip to the next section. Pollutants Controlled: VOCs and HAPs -BF Vapor Size: Make/Model: 10/27/2020 Recovery Per attached Unit(VRU): Requested Control Efficiency: 100 % email VRU Downtime or Bypassed (emissions vented): 10 Pollutants Controlled: VOCs and HAPs Rating: 426.22 MMBtu/hr Type: Enclosed Combustor Make/Model: (6) 9611I ES Lei .Requested Requested Control Efficiency: 98 Device: Manufacturer Guaranteed Control Efficiency: 98 Minimum Temperature: 1,076°F Waste Gas Heat Content: 2 623 Btu/scf Constant Pilot Light: ❑Q Yes ❑ No Pilot Burner Rating: 0.084 MMBtu/hr Description of the closed loop system: 0 Closed Loop System Pollutants Controlled: ❑ Other: Description: Control Efficiency Requested: Section 7- Gas/Liquids Separation Technology Information (E&P Sites Only) What is the pressure of the final separator vessel prior to discharge to the storage tank(s)? 20.2 psig Describe the separation process between the well and the storage tanks: (36) 36"Worthington 3-phase separators each rated at 0.5 MMBtu/hr, (6) non-fired 2-phase vertical separators, and (2) 72" Dragon Manufacturing gas busters each rated at 1.25 MMBtu/hr. pp COLORADO Form APCD-2O5 Condensate Storage Tank(s)APEN - Revision 3/2019 4 I .4 Permit Number: AIRS ID Number: / / [Leave blank.unless APCD has already assigned a permit#and AIRS ID) Section 8 - Emissions Inventory Information Attach all emissions calculations and emission factor documentation to this APEN form. If multiple emission control methods were identified in Section 6, the following table can be used to state the overall(or combined)control efficiency(%reduction): Overall Requested Control Pollutant Description of Control Method(s) Efficiency (X reduction in emissions) VOC Enclosed Combustor 'VRU SR% 99.8) (Combined, NOx CO HAPs Endossd Combustor +VRU se% 99.8-s(Combined) Other: I From what year is the following reported actual annual emissions data? 201 9 Criteria Pollutant Emissions Inventory Emission Factor Actual Annual Emissions Requested Annual Permit Emission Limit(s)5 -BF Pollutant 10/27/2020 Source Uncontrolled Controlled Uncontrolled Controlled Uncontrolled Units (AP'42, Emissions Emissions8 Emissions Emissions Per attached Basis Mfg.,etc.) (tons/year) (tons/year) (tans/year) (tan/year) email 5955 8345.3 VOC 4.39E-0-1- Ibs/bbl ProMax 695.52 13.91 834:6 16.69 NOx 6.80E-O2 Ib/MMBtu AP-42 N/A 4.22- 131 N/A 1.50 CO 3.10E-01 Ib/MMBtu AP-42 N/A 5.58- 5.95 N/A 6.82 Non-Criteria Reportable Pollutant Emissions Inventory Chemical Emission Factor Actual Annual Emissions Chemical Name Abstract Source Uncontrolled Controlled Service(as) Uncontrolled Units 8 Number Basis (AR42, Emissions Emissions8 Mfg.,etc.) (pounds/year) (pounds/year) Benzene 71432 1.08E-O2--01 lbs/bbl ProMax 34,230.24 E+°1 684.60 Toluene 108883 1.20E-02-01 lbs/bbl ProMax 38,022.04 9+01 760.44 Ethylbenzene 100414 4.38E-O4u3 lbs/bbl ProMax 1,387.12 E+01 27.74 Xylene 1330207 4.65E-O-3-02 Ibs/bbl ProMax 14,726.24 E+01 294.52 n-Hexane 110543 8.72E-02--°1 Ibs/bbl ProMax 276,027.54 E+G1 5,520.55 203 Trimethylpentane ,2,4- 540841 1,17E-04 lbs/bbl ProMax 370,53E+01 7.41 5 Requested values will become permit limitations. Requested limit(s)should consider future growth. Attach condensate liquid laboratory analysis,stack test results,and associated emissions calculations if you are requesting site specific emissions factors according to the guidance in PS Memo 14-03. 8 Annual emissions fees will be based on actual controlled emissions reported. If source has not yet started operating,leave blank. COLORADO Form APCD-2O5 Condensate Storage Tank(s)APEN - Revision 3/2019 5 1 H u,T,�" Permit Number: AIRS ID Number: / / [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 9 - Applicant Certification I hereby certify that all information contained herein and information submitted with this application is complete, true, and correct. If this is a registration for coverage under General Permit GP01 or GP08, I further certify that this source is and will be operated in full compliance with each condition of the applicable General Permit. / v/-7/ Zu1 Signature of Legally Authorized Person(not a vendor or consultant) Date Brad Rogers Health and Environmental Manager Name(print) Title Check the appropriate box to request a copy of the: ❑Q Draft permit prior to issuance ❑ Draft permit prior to public notice (Checking any of these boxes may result in an increased fee and/or processing time) This emission notice is valid for five(5)years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type, etc.). See Regulation No. 3, Part A, II.C. for revised APEN requirements. • Send this form along with$191.13 and the General Permit For more information or assistance call: registration fee of$312.50, if applicable, to: Small Business Assistance Program Colorado Department of Public Health and Environment (303)692.3175 or(303)692-3148 Air Pollution Control Division APCD-SS-B1 APCD Main Phone Number 4300 Cherry Creek Drive South (303)692-3150 Denver,CO 80246-1530 Make check payable to: Or visit the APCD website at: Colorado Department of Public Health and Environment https://www.colorado.gov/cdphe/apcd Form APCD-205 Condensate Storage Tank(s)APEN - Revision 3/2019 6 I AV COLOR COLORADO fit, E&P Storage Tank Air Pollutant Emissions Notice(APEN) Addendum Form' Company Name: SRC Energy,Inc. Source Name: Bost Farm 5-7 Pad-Condensate Tanks Emissions Source AIRS ID2: N/A/ /z3 //Un/aa/ Wells Services by this Storage Tank or Tank Battery (E&P Sites Only) API Number Name of Well Newly Reported Well 05-123-47662 Bost Farm 31C-11-L 05-123-47663 Bost Farm 32C-11-L 05-123-47664 Bost Farm 4C-11-L2 Eg 05-123-47665 Bost Farm 31N-11B-L 05- 123-47666 Bost Farm 31N-11C-L 05-123-47667 Bost Farm 32N-11C-L 05-123-47668 Bost Farm 4N-11 B-L 05-123-47691 Bost Farm 26C-8-L 05-123-47692 Bost Farm 26N-8B-L 05-123-47693 Bost Farm 1N-8C-L 05-123-47694 Bost Farm 1N-8B-L Eg 05-123-47695 Bost Farm 40C-8-L Eg 05-123-47696 Bost Farm 8C-8-L 05-123-47697 Bost Farm 41N-8C-L 05-123-47698 Bost Farm 8N-8C-L 05-123-47699 Bost Farm 41N-8A-L El 05-123-47700 Bost Farm 41N-8B-L 05-123-47701 Bost Farm 40N-8B-L 05-123-47702 Bost Farm 41C-8-L 05- 123-50250 Bost Farm 12N-11B-L Footnotes: Attach this addendum to associated APEN form when needed to report additional wells. 2 If this is a newly report source that has not been assigned an AIRS ID by the APCD. enter N/A Form APCD-212 APCD-212-COND Tank-Addendum pt.l.docx E&P Storage Tank Air Pollutant Emissions Notice(APEN) Addendum Form' Company Name: SRC Energy,Inc. Source Name: Bost Farm 5-7 Pad-Condensate Tanks Emissions Source AIRS ID2: N/A/ 123 /A04'9/ co Wells Services by this Storage Tank or Tank Battery (E&P Sites Only) API Number Name of Well Newly Reported Well 05-123-50251 Bost Farm 12N-11C-L 05-123-50252 Bost Farm 33N-11C-L 05- 123-50253 Bost Farm 33N-11A-L 05-123-50254 Bost Farm 13N-11B-L El 05-123-50255 Bost Farm 33C-11-L El 05-123-50256 Bost Farm 32C-11-L2 05- 123-50257 Bost Farm 34C-11-L Z 05- 123-50258 Bost Farm 32N-11B-L 05-123-50259 Bost Farm 13N-I1A-L 05-123-50260 Bost Farm 34N-11C-L ►� 05-123-50261 Bost Farm 12C-11-L - - ❑ 0 - - ❑ - - ❑ - - ❑ - - 0 - - ❑ - - ❑ Footnotes: I Attach this addendum to associated APEN form when needed to report additional wells. 2 If this is a newly report source that has not been assigned an AIRS ID by the APCD,enter N/A Form APCD-212 APCD-212-COND Tank-Addendum pt.2.docx • CDPHE Produced Water Storage Tankf }. '�` APEN - Form APCD-207 Air Pollutant Emission Notice (APEN) and Application for Construction Permit All sections of this APEN and application must be completed for both new and existing facilities, including APEN updates. Incomplete APENs will be rejected and will require re-submittal. Your APEN will be rejected if it is filled out incorrectly, is missing information, or locks payment for the filing fee. The re-submittal will require payment for a new filing fee. This APEN is to be used for tanks that store produced water associated with oil and gas industry operations. If your emission source does not fall into this category, there may be a more specific APEN available for your source(e.g. crude oil storage tanks, condensate storage tanks, hydrocarbon liquid loading, etc.). In addition, the General APEN (Form APCD-200)is available if the specialty APEN options will not satisfy your reporting needs. A list of all available APEN forms and associated addendum forms can be found on the Air Pollution Control Division (APCD) website at: www.colorado.gov/pacific/cdphe/air-permits. This emission notice is valid for five(5)years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made(significant emissions increase, increase production, new equipment, change in fuel type, etc.). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Permit Number: ( WEICIWE0176, AIRS ID Number: /z3 1M3 /dl9Z [Leave blank unless APCD has already assigned a permit/r and AIRS ID] Section 1 - Administrative Information Company Name': SRC-Energy, Inc. PDC Energy, Inc. Site Name: Bost Farm 5-7 Pad Site Location Site Location: NWNW Sec. 7 T5N R66W County: Weld NAICS or SIC Code: 211111 Mailing Address: (Include Zip Code) 5400 W. 11th Street, Suite C Greeley, CO 80634 Contact Person: Brad Rogers Phone Number: (970)475-5242 E-Mail Addressz: brogers@srcenergy.com Use the full,legal company name registered with the Colorado Secretary of State.This is the company name that wilt appear on all documents issued by the APCD.Any changes will require additional paperwork. 2 Permits,exemption letters,and any processing invoices will be issued by the APCD via e-mail to the address provided. n .. 357 AV COLORADO Form APCD-207 - Produced Water Storage Tank(s)APEN Revision 3/2019 1 I m fr: °"^" Permit Number: AIRS ID Number: [Leave blank unless APCD has already assigned a permit#and AIRS ID) Section 2 - Requested Action 0 NEW permit OR newly-reported emission source 0 Request coverage under traditional construction permit O Request coverage under a General Permit ❑ GP05 O GP08 If General Permit coverage is requested, the General Permit registration fee of$312.50 must be submitted along with the APEN filing fee. -OR- ❑ MODIFICATION to existing permit(check each box below that applies) O Change in equipment O Change company name3 ❑ Change permit limit O Transfer of ownership' O Other(describe below) -OR- ❑ APEN submittal for update only(Note blank APENs will not be accepted) -ADDITIONAL PERMIT ACTIONS- APEN submittal for permit exempt/grandfathered source ❑ Limit Hazardous Air Pollutants(HAPs)with a federally-enforceable limit on Potential To Emit(PTE) Additional Info Et Notes: Vapors from the tanks are captured by a VRU system. As a contingency plan, 10% of the vapors will be sent to the combustors to account for downtime. 3 For company name change,a completed Company Name Change Certification Form (Form APCD-106)must be submitted. 4 For transfer of ownership,a completed Transfer of Ownership Certification Form(Form APCD-104)must be submitted. Section 3 - General Information General description of equipment and purpose: Storage of produced water from production wells Company equipment Identification No. (optional): PW 1-2 For existing sources, operation began on: N/A For new or reconstructed sources, the projected start-up date is: 07/10/2019 Normal Hours of Source Operation: 24 hours/day 7 days/week 52 weeks/year Storage tank(s)located at: ✓❑ Exploration&Production(E&P)site O Midstream or Downstream (non E&P)site Will this equipment be operated in any NAAQS nonattainment area? 0 Yes O No Are Flash Emissions anticipated from these storage tanks? El Yes O No Are these storage tanks located at a commercial facility that accepts oil production ❑ Yes 0 No wastewater for processing? Do these storage tanks contain less than 1%by volume crude oil on an annual average basis? O Yes No Are these storage tanks subject to Colorado Oil and Gas Conservation Commission(COGCC) 0 Yes O No 805 series rules?If so, submit Form APCD-105. Are you requesting z 6 ton/yr VOC emissions(per storage tank), or are uncontrolled actual ❑ Yes Ej No emissions z 6 ton/yr(per storage tank)? AV COLORADO Form APCD-2O7 Produced Water Storage Tank(s)APEN - Revision 3/2019 2 I ° ^„^;k^�, Permit Number: AIRS ID Number: (Leave blank unless APCD has already assigned a permit i+and AIRS ID] Section 4 - Storage Tank(s) Information Actual Annual Amount Requested Annual Permit Limits (bbl/year) . (bbl/year) Produced Water Throughput: 836,840.9 1,004,224.5 From what year is the actual annual amount? 2019 Tank design: El Fixed roof Internal floating roof O External floating roof Storage #of Liquid Manifold Storage Total Volume of Installation Date of Most Date of First Tank ID Vessels in Storage Tank Storage Tank Recent Storage Vessel in Production (bbl) Storage Tank(month/year) (month/year) PW 1-2 2 800 06/2019 07/2019 Wells Serviced by this Storage Tank or Tank Battery6(DIP Sites Only) API Number Name of Well Newly Reported Well 05 -123 -47657 Bost Farm 30N-11B-L ❑� 05 -123 -47658 Bost Farm 4N-11C-L 0 05 -123 -47659 Bost Farm 30N-11A-L ❑,r 05 -123 -47660 Bost Farm 5N-11A-L E 05 -123 -47661 Bost Farm 5C-11-L 5 Requested values will become permit limitations. Requested limit(s)should consider future growth. 6 The E&P Storage Tank APEN Addendum(Form APCD-212)should be completed and attached when additional space is needed to report all wells that are serviced by the equipment reported on this APEN form. Section 5 - Stack Information Geographical Coordinates (Latitude/Longitude or UTM) 40.41798/-104.82901 Operator Stack Discharge Height Above Temp. Flow Rate Velocity ID No. Ground Level(feet) (°F) (ACFM) (ft/sec) IES-1 27.21 1,076 451.4 0.16 Indicate the direction of the stack outlet: (check one) El Upward 0Downward O Upward with obstructing raincap Horizontal 00ther(describe): Indicate the stack opening and size: (check one) [2Circular Interior stack diameter(inches): 92 El Square/rectangle Interior stack width(inches): Interior stack depth(inches): Other(describe): pQ COLORADO Form APCD-207 Produced Water Storage Tank(s)APEN - Revision 3/2019 3 I m Permit Number: AIRS ID Number: [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 6 - Control Device Information ❑ Check this box if no emission control equipment or practices are used to reduce emissions, and skip to the next section. -BF Pollutants Controlled: VOCs and HAPs 10/27/2020 Vapor Size: Make/Model: Per El Recovery Unit(VRU): Requested Control Efficiency: 100 % attached email VRU Downtime or Bypassed(emissions vented): 10 Pollutants Controlled: VOCs and I-IAPs Rating: 426.22 MMBtu/hr IES ECD Make/Model: (6) 96" I ES a Combustion Requested Control Efficiency: 95 % Device: Manufacturer Guaranteed Control Efficiency: 98 Minimum Temperature: 1,076°F Waste Gas Heat Content: 947 Btu/scf Constant Pilot Light: ❑✓ Yes ID No Pilot Burner Rating: 0.084 MMBtu/hr Description of the closed loop system: ❑ Closed Loop System Pollutants Controlled: ❑ Other: Description: Control Efficiency Requested: Section 7 - Gas/Liquids Separation Technology Information (E&P Sites Only) What is the pressure of the final separator vessel prior to discharge to the storage tank(s)? 354 psig Describe the separation process between the well and the storage tanks: (36) 36"Worthington 3-phase separators each rated at 0.5 MMBtu/hr, (6) non-fired 2-phase vertical separators, and (2) 72" Dragon Manufacturing gas busters each rated at 1.25 MMBtu/hr. Ay, COLORADO Form APCD-2O7 Produced Water Storage Tank(s)APEN - Revision 3/2019 4 I m ^^�,^ate ,,F,, r Permit Number: AIRS ID Number: / / I [Leave blank unless APCD has already assigned a permit 4 and AIRS ID] Section 8 - Emissions Inventory Information Attach all emissions calculations and emission factor documentation to this APEN form. If multiple emission control methods were identified in Section 6, the following table can be used to state the overall(or combined)control efficiency(%reduction): Overall Requested Control Pollutant Description of Control Method(s) Efficiency (%reduction in emissions) VOC ECD +VRU 0.ri% 99.8'x=(Combined] NOx CO HAPs ECD +V RU ass% 99 8',"lCombir,ed) Other: From what year is the following reported actual annual emissions data? 201 9 Criteria Pollutant Emissions Inventory Emission Factor? Actual Annual Emissions Requested Annual Permit Emission Limit(s)5 Pollutant Uncontrolled Source Uncontrolled Controlled Uncontrolled Controlled Basis Units (AP-42, Emissions Emissions8 Emissions Emissions Mb,etc.) (tons/year) (tons/year) (tons/year) (tons/year) VOC 8.11E-03-02 Ibs/bbl PW Analysis 3:39 33° 047- 007 407- 4°7 0:20 0.08 NOx 6.80E-02 lb/MMBtu AP-42 N/A 0.02 N/A 0.02 CO 3.10E-01 lb/MMBtu AP-42 N/A 0.09 N/A 0.11 -BF 10/27/2020 Non-Criteria Reportable Pollutant Emissions Inventory Per attached email Chemical Emission Factor? Actual Annual Emissions Chemical Name Abstract Source Uncontrolled Controlled Service(CAS) Uncontrolled Units 8 Basis (AP-42, Emissions Emissions Number Mfg.,etc.) (pounds/year) (pounds/year) Benzene 71432 1.05E-04-03 lbs/bbl PW Analysis 8762- S79 438" 2 Toluene 108883 9.15E-05-04 lbs/bbl PW Analysis 76.64 766 3: 3 2 Ethylbenzene 100414 3.88E-06-05 lbs/bbl PW Analysis -&25 32 046 ° Xylene 1330207 3.26E-05-Q4 lbs/bbl PWAnaysis 2-7.29 273 1,36- n-Hexane 110543 4.41E-04-03 Ibs/bbl PW Analysis 368.99 3.690 1t45 7 2,2,4- 540841 2.51 E-07 Ibs/bbl PWAnaysis 0 2 0$1 ° Trimethylpentane 5 Requested values will become permit limitations. Requested limit(s)should consider future growth. 7 Attach produced water laboratory analysis,stack test results,and associated emissions calculations if you are requesting site specific emissions factors according to the guidance in PS Memo 14-03. 8 Annual emissions fees will be based on actual controlled emissions reported. If source has not yet started operating,leave blank. Av Colo RADA Form APCD-207 - Produced Water Storage Tank(s)APEN - Revision 3/2019 5 I :.'" , Permit Number: AIRS ID Number: / / [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 9 -Applicant Certification I hereby certify that all information contained herein and information submitted with this application is complete, true, and correct. If this is a registration for coverage under General Permit GP05 or GP08, I further certify that this source is and will be operated in full compliance with each condition of the applicable General Permit. ^r,` ��— ✓ ' c (0 l �1 Zo (9 Signature of Legally Authorized Person(not a vendor or consultant) Date Brad Rogers Health and Environmental Manager Name (print) Title Check the appropriate box to request a copy of the: ✓�Draft permit prior to issuance O Draft permit prior to public notice (Checking any of these boxes may result in an increased fee and/or processing time) This emission notice is valid for five(5)years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term, or when a reportable change is made (significant emissions increase, increase production, new equipment, change in fuel type,etc.). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Send this form along with$191.13 and the General Permit For more information or assistance call: registration fee of$312.50, if applicable, to: Small Business Assistance Program Colorado Department of Public Health and Environment (303)692-3175 or(303)692-3148 Air Pollution Control Division APCD-SS-B1 APCD Main Phone Number 4300 Cherry Creek Drive South (303)692.3150 Denver, CO 80246-1530 Make check payable to: Or visit the APCD website at: Colorado Department of Public Health and Environment https://www.cotorado.gov/cdphe/apcd COLORADO Form APCD-207 - Produced Water Storage Tank(s)APEN - Revision 3/2019 6 I V "TM °^`"N.wi�x,g Cn.ucewrr.i E&P Storage Tank Air Pollutant Emissions Notice (APEN) Addendum Form' SRC Energy,Name: Inc. Source Name: Bost Farm 5-7 Pad-Produced Water Tanks Emissions Source AIRS ID2: N/A/ /23 / ?- Wells Services by this Storage Tank or Tank Battery (E&P Sites Only) API Number Name of Well Newly Reported Well 05-123-47662 Bost Farm 31C-11-L 05-123-47663 Bost Farm 32C-11-L 05-123-47664 Bost Farm 4C-11-L2 05-123-47665 Bost Farm 31N-11B-L 05-123-47666 Bost Farm 31N-11C-L 05-123-47667 Bost Farm 32N-11C-L 05-123-47668 Bost Farm 4N-11 B-L 05-123-47691 Bost Farm 26C-8-L 05-123-47692 Bost Farm 26N-8B-L 05-123-47693 Bost Farm 1N-8C-L 05-123-47694 Bost Farm 1 N-8B-L 05- 123-47695 Bost Farm 40C-8-L 05-123-47696 Bost Farm 8C-8-L 05-123-47697 Bost Farm 41N-8C-L 05-123-47698 Bost Farm 8N-8C-L 05-123-47699 Bost Farm 41N-8A-L ED 05-123-47700 Bost Farm 41N-8B-L 05-123-47701 Bost Farm 40N-8B-L 05-123-47702 Bost Farm 41C-8-L 05-123-50250 Bost Farm 12N-11B-L IZI Footnotes: I Attach this addendum to associated APEN form when needed to report additional wells. 2 If this is a newly report source that has not been assigned an AIRS ID by the APCD, enter N/A Form APCD-212 APCD-212-PW Tank-Addendum pt.l.docx E&P Storage Tank Air Pollutant Emissions Notice(APEN) Addendum Form' Company Name: SRC Energy,Inc. Source Name: Bost Farm 5-7 Pad-Produced Water Tanks Emissions Source AIRS ID2: N/A/ IZ3 /At??A6 Wells Services by this Storage Tank or Tank Battery (E&P Sites Only) API Number Name of Well Newly Reported Well 05-123-_50251 Bost Farm 12N-11C-L Eg 05-123-50252 Bost Farm 33N-I IC-L 05-123-50253 Bost Farm 33N-11A-L 05-123-50254 Bost Farm 13N-11 B-L 05-123-50255 Bost Farm 33C-11-L Eg 05-123-50256 Bost Farm 32C-11-L2 05-123-50257 Bost Farm 34C-11-L 05-123-50258 Bost Farm 32N-11B-L 05- 123-50259 Bost Farm 13N-11A-L 05-123-50260 Bost Farm 34N-11 C-L 05-123-50261 Bost Farm 12C-11-L ❑ - - ❑ - - ❑ - - ❑ - - ❑ - - ❑ - ❑ - - ❑ - - ❑ Footnotes: I Attach this addendum to associated APEN form when needed to report additional wells. 2 If this is a newly report source that has not been assigned an AIRS ID by the APCD,enter N/A Form APCD-212 APCD-212-PW Tank-Addendum pt.2.docx cDPHE Hydrocarbon Liquid Loading APEN Form APCD-208 CO Air Pollutant Emission Notice (APEN) and Application for Construction Permit All sections of this APEN and application must be completed for both new and existing facilities, including APEN updates. Incomplete APENs will be rejected and will require re-submittal. Your APEN will be rejected if it is filled out incorrectly, is missing information,or lacks payment for the filing fee. The re-submittal will require payment for a new filing fee. This APEN is to be used for hydrocarbon liquid loading only. If your emission unit does not fall into this category, there may be a more specific APEN for your source(e.g. amine sweetening unit, glycol dehydration unit, condensate storage tanks, etc.). In addition, the General APEN(Form APCD-200)is available if the specialty APEN options will not satisfy your reporting needs. A list of alt available APEN forms can be found on the Air Pollution Control Division(APCD)website at:www.cotorado.gov/cdphe/aped. This emission notice is valid for five(5)years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term,or when a reportable change is made(significant emissions increase, increase production, new equipment, change in fuel type,etc.). See Regulation No. 3, Part A, II.C. for revised APEN requirements. Permit Number: /9 We'Pc?77 AIRS ID Number: IZ3 /AM / ©43 [Leave blank unless APCD has already assigned a permit d and AIRS ID) Section 1 - Administrative Information Company Name': SRC Energy, Inc. PDC Energy, Inc. Site Name: Bost Farm 5-7 Pad Site Location Site Location: NWNW Sec. 7 T5N R66W County: Weld NAICS or SIC Code: 211111 Mailing Address: (Include Zip Code) 5400 W. 11th Street, Suite C Greeley, CO 80634 Contact Person: Brad Rogers Phone Number: (970)475-5242 E-Mail Address2: brogers@srcenergy.com I Use the full, legal company name registered with the Colorado Secretary of State.This is the company name that will appear on all documents issued by the APCD.Any changes will require additional paperwork. 2 Permits,exemption letters,and any processing invoices will be issued by the APCD via e-mail to the address provided. • NO3 i8 COLORADO Form APCD-208 Hydrocarbon Liquid Loading APEN - Revision 3/2019 1 I AV Permit Number: AIRS ID Number: / / [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 2 - Requested Action 0 NEW permit OR newly-reported emission source ❑ Request coverage under construction permit O Request coverage under General Permit GP07 If General Permit coverage is requested, the General Permit registration fee of$312.50 must be submitted along with the APEN filing fee. -OR- i ❑ MODIFICATION to existing permit(check each box below that applies) ❑ Change fuel or equipment O Change company name3 ❑ Change permit limit O Transfer of ownership4 O Other(describe below) • -OR- ❑ APEN submittal for update only(Note blank APENs will not be accepted) -ADDITIONAL PERMIT ACTIONS- El Limit Hazardous Air Pollutants(HAPs)with a federally-enforceable limit on Potential To Emit(PTE) Additional Info& Notes: Truck loading emissions controlled by ECD with DRE of 95%. Truck loading emissions are only expected to occur during LACT unit downtime. 3 For company name change,a completed Company Name Change Certification Form (Form APCD-106)must be submitted. 4 For transfer of ownership,a completed Transfer of Ownership Certification Form (Form APCD-104)must be submitted. Section 3 - General Information General description of equipment and purpose: Contingency loading of condensate from storage tanks. Company equipment Identification No. (optional): LOAD-1 For existing sources, operation began on: N/A For new or reconstructed sources, the projected start-up date is: 07/10/2019 Will this equipment be operated in any NAAQS nonattainment area? 0 Yes O No Is this equipment located at a stationary source that is considered a Major Source of(HAP) O Yes J No emissions? Does this source load gasoline into transport vehicles? O Yes ID No Is this source located at an oil and gas exploration and production site? Yes O No If yes: Does this source load less than 10,000 gallons of crude oil per day on an annual ❑ Yes Q No average? Does this source splash fill less than 6750 bbl of condensate per year? O Yes No Does this source submerge fill less than 16308 bbl of condensate per year? O Yes ❑✓ No COLORADO Form APCD-208 - Hydrocarbon Liquid Loading APEN - Revision 3/2019 2 I M. Permit Number: AIRS ID Number: [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 4 - Process Equipment Information Product Loaded: Condensate 0 Crude Oil 0 Other: If this APEN is being filed for vapors displaced from cargo carrier, complete the following: Requested Volume Loaded5: 380,034.35 bbl/year Actual Volume Loaded: 316,693.43 bbl/year This product is loaded from tanks at this facility into: Tank Trucks (e.g. "rail tank cars"or"tank trucks") If site specific emission factor is used to calculate emissions,complete the following: Average temperature of -BF Saturation Factor: 0.6 bulk liquid loading: 66 F 10/27/2020 True Vapor Pressure: 5.20 Psia @ 60 °F Molecular weight of A 6.61 66 lb/lb mol Per attached displaced vapors: �F email If this APEN is being filed for vapors displaced from pressurized loading lines, complete the following: Requested Volume Loaded5: N/A bbl/year Actual Volume Loaded: N/A bbl/year Product Density: N/A lb/ft3 Load Line Volume: N/A ft3/truckload Vapor Recovery Line Volume: N/A ft3/truckload 5 Requested values will become permit limitations. Requested limit(s)should consider future process growth. pp COLORADO Form APCD-208- Hydrocarbon Liquid Loading APEN - Revision 3/2019 3 L1p Permit Number: AIRS ID Number: / / [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 5 - Stack Information Geographical Coordinates (Latitude/Longitude or UTM) 1 40.41798/-104.82901 abcharg At o�*e Bator e Tema. Flow Raiff V Stack HI Na. oft) ('F) ,(4CF'M) (Jtfsrc) .. LEED-1 25.58 1,076 97.2 0.15 Indicate the direction of the stack outlet: (check one) Q Upward 0 Downward O Upward with obstructing raincap ❑Horizontal 0 Other(describe): Indicate the stack opening and size: (check one) ❑r Circular Interior stack diameter(inches): 44 ❑Other(describe): Section 6 - Control Device Information ❑ Check this box if no emission control equipment or practices are used to reduce emissions, and skip to the next section. ❑ Loading occurs using a vapor balance system: Requested Control Efficiency: % Used for control of: VOCs and HAPs Rating: 15.34 MMBtu/hr / Type: Enclosed Combuster Make/Model:(1) Leed 48" rn Combustion Device: Requested Control Efficiency: 95 % Manufacturer Guaranteed Control Efficiency: 98 Minimum Temperature: 1,076 °F Waste Gas Heat Content: 2,630 Btu/scf Constant Pilot Light: 0 Yes 0 No Pilot Burner Rating: 0.056 MMBtu/hr Pollutants Controlled: ❑ Other: Description: Requested Control Efficiency: Av COLORADO Form APCD-208 Hydrocarbon Liquid Loading APEN - Revision 3/2019 4 I a :� x, Permit Number: AIRS ID Number: / / [Leave blank unless APCD has already assigned a permit#and AIRS ID) Section 7- Emissions Inventory Information Attach all emissions calculations and emission factor documentation to this APEN form. If multiple emission control methods were identified in Section 6, the following table can be used to state the overall(or combined)control efficiency(%reduction): Overall Requested Pollutant Description of Control Method(s) Control Efficiency (%reduction in emissions) PM SO. NO. CO VOC Enclosed Combuster 95% HAPs Enclosed Combuster 95% Other: ❑ Using State Emission Factors(Required for GP07) VOC Benzene n-Hexane ❑Condensate 0.236 Lbs/BBL 0.00041 Lbs/BBL 0.0036 Lbs/BBL ❑Crude 0.104 Lbs/BBL 0.00018 Lbs/BBL 0.0016 Lbs/BBL From what year is the following reported actual annual emissions data? 201 9 I Criteria Pollutant Emissions Inventory Emission Factor Actual Annual Emissions Requested Annual Permit Pollutant Emission Limit(s)5 Uncontrolled Source Uncontrolled Controlled Uncontrolled Controlled Basis Units (AP-42, Emissions Emissions6 Emissions Emissions Mfg.,etc.) (tonslyear) (tons/year) (tons/year) (tons/year) PM N/A N/A N/A N/A N/A N/A N/A SOx N/A N/A N/A N/A N/A N/A N/A NOx 6.80E-02 ib/MMBtu AP-42 N/A 0O1 °0° N/A 044 0 10 CO 3.10E-01 ib/MMBtu AP-42 N/A aka 0 41 N/A 0.47 0 46 -BF 32.44 1.62 38.93 1 g6 10/27/2020 VOC 172E-01 Ibs/bbl ProMax 2731 4.-37 32.7 1-.64 2 05E-01 Per attached email Non-Criteria Reportable Pollutant Emissions Inventory Chemical Emission Factor Actual Annual Emissions Abstract Chemical Name Source Uncontrolled Controlled Service(CAS) Uncontrolled Units 6 Basis (M•42, Emissions Emissions Number Mfs.,etc.) (pounds/year) (pounds/year) Benzene 71432 2.61E 04 311 -o4ths/bbl ProMax 82.74- 99 4-04. 6 Toluene 108883 308E 04 365_-olbs/bbl ProMax 97.39-115 487 7 Ethylbenzene 100414 130E 05 1 43c-mlbs/bbl ProMax 3.84 5 0.19 0 Xylene 1330207 1.20E 04 1 43E-°4thsibbl ProMax 3&08 45 4:-90• 3 n-Hexane 110543 3.-20E 03 3811-a)bs/bbl ProMax 1-;8.14.83.1,207 50,74 72 2,2,4- 4.92E-05 Trimethylpentane 540841 4.44E 06 Ibs/bbl ProMax 1.34 2 0.07 0 Other: s Requested values will become permit limitations. Requested limit(s)should consider future process growth. 6 Annual emissions fees wilt be based on actual controlled emissions reported. If source has not yet started operating,leave blank. AV c or OR ADO Form APCD-208 Hydrocarbon Liquid Loading APEN Revision 3/2019 5 I mh „, '"Knrn%.nv.. Permit Number: AIRS ID Number: [Leave blank unless APCD has already assigned a permit#and AIRS ID] Section 8 - Applicant Certification I hereby certify that all information contained herein and information submitted with this application is complete, true, and correct. If this is a registration for coverage under General Permit GP07, I further certify that this source is and will be operated in full compliance with each condition of General Permit GP07. 1-7 ( fa o c 3 Signature of Legally Authorized Person(not a vendor or consultant) Date Brad Rogers Health and Environmental Manager Name(print) Title Check the appropriate box to request a copy of the: Draft permit prior to issuance • ❑Draft permit prior to public notice (Checking any of these boxes may result in an increased fee and/or processing time) This emission notice is valid for five(5)years. Submission of a revised APEN is required 30 days prior to expiration of the five-year term,or when a reportable change is made(significant emissions increase, increase production, new equipment, change in fuel type, etc.).See Regulation No. 3, Part A, II.C. for revised APEN requirements. Send this form along with$191.13 and the General Permit For more information or assistance call: registration fee of$312.50, if applicable, to: Small Business Assistance Program Colorado Department of Public Health and Environment (303)692-3175 or(303)692-3148 Air Pollution Control Division APCD-SS-B1 APCD Main Phone Number 4300 Cherry Creek Drive South (303)692-3150 Denver,CO 80246-1530 Make check payable to: Or visit the APCD website at: Colorado Department of Public Health and Environment https://www.colorado.gov/cdphe/apcd COLORADO Form APCD-208- Hydrocarbon Liquid Loading APEN - Revision 3/2019 6 I Ave Hw.n w Pi,.eron...r Hello