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Home My WebLink About20142788.tiff 4 COPHE ! COLORADO CO Department of Public Health b Environment Dedicated to protecting and improving the health and environment of the people of Colorado Weld County - Clerk to the Board 1150 O S PO Box RECEIVED PO 758 Greeley, CO 80632 MAR 16 205 March 11, 2015 WELD COUNTY COMMISSIONERS Dear Sir or Madam: On March 18, 2015, the Air Pollution Control Division will begin a 30-day public notice period for Bonanza Creek Energy Operating Company LLC - Wetco Farms A-4 Production Facility. 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 a Environment APCD-SS-B1 4300 Cherry Creek Drive South Denver, Colorado 80246-1530 Attention: Clara Gonzales Regards, f. !fj Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure aoi - ,78$ 3_aCO-: r8 ,: f-cQ;n\ 3-a ors C �, 1'w, z- k�- �: �. 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe h, '',-,-,K:4- yc John W. Hickenlooper, Governor Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer ,.,.-.. ,..r., A CDPHE Air Pollution Control Division a co i Notice of a Proposed Project or Activity Warranting Public ' Comment Website Title: Bonanza Creek Energy Operating Company LLC - Wetco Farms A-4 Production Facility - Weld County Notice Period Begins: March 18, 2015 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: Bonanza Creek Energy Operating Company LLC Facility: Wetco Farms A-4 Production Facility Oil and gas exploration and production facility NWNW Sec 4, T5N, R63W Weld County The proposed project or activity is as follows: Source proposes to operate a new well at an oil and gas exploration and production 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 13WE2521 have been filed with the Weld Cqunty 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 will receive and consider written public comments for thirty calendar days after the date of this Notice. Any such comment must be submitted in writing to the following addressee: Carissa Money Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us ' AY COLORADO 1 Ev4r4: ,rv,�.muPm+ 4 jx i ii i STATE OF COLORADO •LOR• ■ • D -T I' _ •F P C HEALTH AND ENVIRONMENT r°' AIR POLLUTION CONTROL DIVISION '� Sr C TELEPHONE: (303)692-3150 ; , CONSTRUCTION PERMIT PERMIT NO: 13WE2521 Issuance 2 DATE ISSUED: ISSUED TO: Bonanza Creek Energy Operating Company LLC THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas exploration and production facility known as the Wetco Farms A-4 Production Facility, located in the NWNW Section 4, Township 5N, Range 63W, Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Hydrocarbon Loadout to tanker trucks that is controlled by using TLO 005 dedicated vapor balance service and four enclosed flares. Collection system is 70% efficient and each flare has a minimum control efficiency of 95%. One (1) pneumatic water transfer pump, rated at 600 scf/hr P-1 007 (Sandpiper, Model G1F, Serial number 2004235). The pneumatic pump is controlled by four enclosed flares. Each flare has a minimum control efficiency of 95%. Sep-2 and Two low-pressure separators controlled by four enclosed flares Sep-3 008 during VRU downtime. Each flare has a minimum control efficiency of 95%. One vapor recovery tower (VRT) controlled by four enclosed flares VRT-1 013 during VRU downtime. Each flare has a minimum control efficiency of 95%. One emergency flare used to combust separator gas during FL-2 014 emergencies or when the pipeline is not available. Flare has a minimum control efficiency of 95%. The flare is not enclosed. Point 007: This pump may be replaced with another pump in accordance with the provisions of the Alternate Operating Scenario (AOS)in this permit. 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 THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: AIRS ID: 123/5660 Page 1 of 13 Dolor epa en P li 'r Pollutionealthand ControlEnvironment Division REQUIREMENTS TN TION 1. AIRS Point 014: YOU MUST notify the Air Pollution Control Division (the Division) no later than fifteen days after commencement of operation, by submitting a Notice of Startup form to the Division. The Notice of Startup form may be downloaded online at www.cdphe.state.co.us/ap/downloadforms.html. Failure to notify the Division of startup of the permitted source is a violation of Air Quality Control Commission (AQCC) Regulation No. 3, Part B, Section III.G.1 and can result in the revocation of the permit. 2. AIRS Point 014: The following information shall be provided to the Division within fifteen(15) days after commencement of operation. • manufacturer • model number • serial number This information shall be included with the Notice of Startup submitted for the equipment. (Reference: Regulation No. 3, Part B, III.E.) 3. AIRS Point 014: Within one hundred and eighty days (180) after commencement of operation, compliance with the conditions contained in this permit shall be demonstrated to the Division. It is the owner or operator's responsibility to self-certify compliance with the conditions. Failure to demonstrate compliance within 180 days may result in revocation of the permit. (Reference: Regulation No. 3, Part B, III.G.2). 4. AIRS Points 005, 007, 008, 013: YOU MUST notify the Air Pollution Control Division (the Division) no later than fifteen days after issuance of this permit, by submitting a Notice of Startup form to the Division. The Notice of Startup form may be downloaded online at www.cdphe.state.co.us/ap/downloadforms.html. Failure to notify the Division of startup of the permitted source is a violation of Air Quality Control Commission (AQCC) Regulation No. 3, Part B, Section III.G.1 and can result in the revocation of the permit. 5. AIRS Points 005, 007, 008, 013: Within one hundred and eighty days (180) after issuance of this permit, compliance with the conditions contained in this permit shall be demonstrated to the Division. It is the owner or operator's responsibility to self-certify compliance with the conditions. Failure to demonstrate compliance within 180 days may result in revocation of the permit. (Reference: Regulation No. 3, Part B, III.G.2). 6. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3, Part B, III.F.4.b. (Reference: Regulation No. 3, Part B, III.F.4.) 7. AIRS Points 008 and 013: Within one hundred and eighty (180) days after issuance of this permit, the operator shall install a flow meter to monitor and record volumetric flowrate of natural gas vented from the low pressure separators and vapor recovery AIRS ID: 123/5660 Page 2 of 13 I I . ° olor�1Depa en ....P 'di ' ealth and Environment i a� it Pollution Control Division ;rt tower. The os - - al : t'' fl•,, r ted in m:.application for actual flow rate until the flow meter is installed, not to exceed one hundred and eighty (180) days after issuance of this permit. 8. The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference: Regulation No. 3, Part B, Section III.E.) 9. The operator shall retain the permit final authorization letter issued by the Division, after completion of self-certification, with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 10. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3, Part B, Section II.A.4) Annual Limits: Facility AIRS Tons per Year Equipment ID Point NO, VOC CO Emission Type TLO 005 3.6 Point P-1 007 --- 2.1 1.3 Point Sep-2 and Sep- 008 --- 2.3 --- Point 3 VRT-1 013 --- 2.7 --- Point FL-2 014 --- 3.9 2.4 Point See "Notes to Permit Holder"for information on emission factors and methods used to calculate limits. Facility-wide emissions of each individual hazardous air pollutant shall be less than 8.0 tpy. Facility-wide emissions of total hazardous air pollutants shall be less than 20.0 tpy. Compliance with the annual limits shall be determined by recording the facility's annual criteria pollutant emissions, (including all HAPs above the de-minimis reporting level) from each emission unit, on a rolling twelve (12) month total. By the end of each month a new twelve-month total shall be calculated based on the previous twelve months' data. The permit holder shall calculate emissions each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. This rolling twelve-month total shall apply to all permitted emission units, requiring an APEN, at this facility. 11. The emission points in the table below shall be operated and maintained with the control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit(Reference: Regulation No.3, Part B, Section II I.E.) Facility AIRS Pollutants Equipment Point Control Device Controlled ID TLO 005 Vapor balance and Enclosed Flare VOC AIRS ID: 123/5660 Page 3 of 13 olor epa en P Ii ealth and Environment it Pollution Control Division P-1 En VOC Sep-2 and 008 Enclosed Flare VOC Sep-3 VRT-1 013 Enclosed Flare VOC FL-2 014 Open Flare VOC PROCESS LIMITATIONS AND RECORDS 12. This source shall be limited to the following maximum processing rates as listed below. Monthly records of the actual processing rates shall be maintained by the owner or operator and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, II.A.4) Process/Consumption Limits Facility AIRS Equipment Point Process Parameter Annual Limit ID TLO 005 Condensate Loaded 179,580 BBL P-1 007 Natural Gas Consumed 5.3 MMSCF Sep-2 and Total Gas Vented from Two Low-Pressure Sep-3 008 Separators during VRU Downtime 2.9 MMSCF VRT-1 013 Total Gas Vented from Vapor Recovery 0.8 MMSCF Tower during VRU Downtime Total Gas Vented from All Separators to FL-2 014 Emergency Flare 10.0 MMSCF Compliance with the annual throughput limits shall be determined on a rolling twelve (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate throughput each month and keep a compliance record on site or at a local field office with site responsibility,for Division review. 13. AIRS Points 008 and 013: Upon installation of the flow meter required under Condition 7, the owner or operator shall continuously monitor and record the volumetric flowrate of natural gas vented from the low pressure separators and VRT during VRU downtime using a flow meter. The flow meter shall continuously measure flowrate and record total volumetric flow vented to the enclosed flare(s) from the low-pressure separators and VRT during VRU downtime. The owner or operator shall use monthly throughput records and calculation methods detailed in the O&M Plan to demonstrate compliance with the limits specified in Condition 12 and to calculate emissions as described in this permit. STATE AND FEDERAL REGULATORY REQUIREMENTS 14. AIRS Points 005, 007, 008, 013, and 014: The permit number and AIRS ID point number (e.g. 123/4567/890) shall be marked on the subject equipment for ease of identification. (Reference: Regulation Number 3, Part B, III.E.)(State only enforceable) 15. Visible emissions shall not exceed twenty percent(20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. Emission control devices subject to Regulation 7, AIRS ID: 123/5660 Page 4 of 13 olor Depa en P li ealth and Environment it Pollution Control Division Sections XII. I b av e emi s. (Reference: Regulation No. 1, Section II.A.1. & 5.) 16. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) 17. AIRS Point 005: This source is located in an ozone non-attainment or attainment- maintenance area and is subject to the Reasonably Available Control Technology (RACT) requirements of Regulation Number 3, Part B, III.D.2.a. Condensate loading to truck tanks shall be conducted by submerged fill. (Reference: Regulation 3, Part B, III.E) 18. AIRS Point 005: The owner or operator shall follow loading procedures that minimize the leakage of VOCs to the atmosphere including, but not limited to (Reference: Regulation 3, Part B, III.E): a. Hoses, couplings, and valves shall be maintained to prevent dripping, leaking, or other liquid or vapor loss during loading and unloading. b. All compartment hatches (including thief hatches) shall be closed and latched at all times when loading operations are not active, except for periods of maintenance, gauging, or safety of personnel and equipment. c. The owner or operator shall inspect loading equipment and operations on site at the time of the inspection to ensure compliance with Condition 18 (a) and (b) above. The inspections shall occur at least monthly. Each inspection shall be documented in a log available to the Division on request. 19. AIRS Point 005: All hydrocarbon liquid loading operations, regardless of size, shall be designed, operated and maintained so as to minimize leakage of volatile organic compounds to the atmosphere to the maximum extent practicable. 20. AIRS Point 014: No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity for a period or periods aggregating more than six minutes in any sixty consecutive minutes. (Reference: Regulation No. 1, Section II.A.5.) OPERATING & MAINTENANCE REQUIREMENTS 21. Upon startup of these points, the owner or operator shall 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 your O&M plan are subject to Division approval prior to implementation. (Reference: Regulation No. 3, Part B, Section III.G.7.) 22. AIRS Point 005: The owner or operator of a loadout at which vapor balancing is used to control emissions shall: a. Install and operate the vapor collection and return equipment to collect vapors during loading of tank compartments of outbound transport trucks and retum these vapors to the stationary source storage tanks. b. Include devices to prevent the release of vapor from vapor recovery hoses not in use. c. Use operating procedures to ensure that hydrocarbon liquid cannot be transferred unless the vapor collection equipment is in use. AIRS ID: 123/5660 Page 5 of 13 olor epa en P li ealth and Environment it Pollution Control Division d. Opera N./ n sa nt at k pressure less than the pressure relief valve selling of transport vehicles. e. Inspect thief hatch seals annually for integrity and replace as necessary. Thief hatch covers shall be weighted and properly seated. 1. Inspect pressure relief devices (PRD) annually for proper operation and replace as necessary. PRDs shall be set to release at a pressure that will ensure flashing, working and breathing losses are routed to the control device under normal operating conditions. g. Document annual inspections of thief hatch seals and PRD with an indication of status, a description of any problems found, and their resolution. COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 23. AIRS Point 013: The operator shall complete an initial site specific extended gas analysis of the gas vented from the vapor recovery tower at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, n-hexane, and 2,2,4-trimethylpentane content (weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site-specific emission factors using Division approved methods. Results of site-specific sampling and analysis shall 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. 24. AIRS Point 014: Within one hundred and eighty (180) days after commencement of operation, the owner or operator shall demonstrate compliance with opacity requirements, using EPA Method 9 to measure opacity from the flare when the flare is receiving gas from the separator. This measurement shall consist of a minimum twenty- four consecutive reading taken at fifteen second intervals over a 6 minute period. (Reference: Regulation No. 1, Section II.A.5). ALTERNATE OPERATING SCENARIOS 25. AIRS Point 007: This pump may be replaced with a like-kind pump 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 replacement pump shall be the same make, model and capacity as authorized in this permit. 26. AIRS Point 007: The owner or operator shall maintain a log on-site or at a local field office to contemporaneously record the start and stop dates of any pump replacement, the manufacturer, model number, serial number and capacity of the replacement pump. 27. AIRS Point 007: All pump replacements installed and operated per the alternate operating scenarios authorized by this permit must comply with all terms and conditions of this construction permit. ADDITIONAL REQUIREMENTS 28. All previous versions of this permit are cancelled upon issuance of this permit. 29. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A, II.C) a. Annually by April 30th whenever a significant increase in emissions occurs as follows: AIRS ID: 123/5660 Page 6 of 13 olor j Depa en . P •.li " ealth and Environment w it Pollution Control Division Fora a .. a .-...,, 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 (NO.) 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 For sources emitting 100 tons per year or more, a change in actual emissions of five percent or 50 tons per year or more, whichever is less, above the level reported on the last APEN submitted; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. 30. Federal regulatory program requirements(i.e. PSD, NANSR)shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition. Any relaxation that increases the potential to emit above the applicable Federal program threshold will require a full review of the source as though construction had not yet commenced on the source. The source shall not exceed the Federal program threshold until a permit is granted. (Regulation No. 3 Part D). GENERAL TERMS AND CONDITIONS 31. This permit and any attachments must be retained and made available for inspection upon request. The permit may be reissued to a new owner by the APCD as provided in AQCC Regulation No. 3, Part B, Section II.B upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 32. 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 No. 3, Part B, Section III.G. Final authorization cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. Once self-certification of all points has been reviewed and approved by the Division, it will provide written documentation of such final authorization. Details for obtaining final authorization to operate are located in the Requirements to Self- Certify for Final Authorization section of this permit. 33. 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 AIRS ID: 123/5660 Page 7 of 13 olor epa en li ealth and Environment it Pollution Control Division construction, i n p of , in ance 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. 34. 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. 35. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certification and final authorization by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the owner or operator, or the Division revokes a permit, the owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 36. 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. 37. . 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: Carissa Money Permit Engineer Permit History Issuance Date Description Issuance 2 This Issuance Increasing throughput and emissions and added control for Point 005. Cancelled Point 006. Decreasing throughput and emissions based on smaller pump for Point 007. Increasing throughput and emissions for Point 008 and modified control strategy. Adding new points 013 and 014. Issuance 1 October 21, Issued to Bonanza Creek Energy Operating 2014 Company LLC AIRS ID: 123/5660 Page 8 of 13 olor Depa en 3) Pig+h '' ealth and Environment it Pollution Control Division 1 a• Notes to Permit Holder f'''' me o' '- •e `"'"` "° a 1) The permit holder is required to pay fees for the processing time for this permit. An invoice for these fees will be issued after the permit is issued. The permit holder shall pay the invoice within 30 days of receipt of the invoice. Failure to pay the invoice will result in revocation of this permit (Reference: Regulation No. 3, Part A, Section VI.B.) 2) The production or raw material processing limits and emission limits contained in this permit are based on the consumption rates requested in the permit application. These limits may be revised upon request of the owner or operator providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and complete application form must be submitted with a request for a permit revision. 3) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The owner or operator shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part II.E.1 of the Common Provisions Regulation. See: http://www.colorado.gov/cs/Satellite?c=Document C&childpaoename=CDPHE- Main%2FDocument C%2FCBONAddLinkView&cid=1251599389641&oagename=CBONWrapper 4) The following emissions of non-criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s)operate at the permitted limitations. Uncontrolled Emission Are the Controlled AIRS Rate emissions Emission Rate Point Pollutant CAS# (lb/yr) reportable? (lb/yr) Benzene 71432 111 No 37 n-Hexane 110543 1,071 Yes 359 005 Toluene 108883 86 No 29 Ethylbenzene 100414 3 No 1 Xylenes 1330207 26 No 9 Benzene 71432 189 No 9 n-Hexane 110543 1,213 Yes 61 007 Toluene 108883 188 No 9 Ethylbenzene 100414 15 No 1 Xylenes 1330207 85 No 4 Benzene 71432 233 No 12 n-Hexane 110543 1,478 Yes 74 008 Toluene 108883 191 No 10 Ethylbenzene 100414 15 No 1 Xylenes 1330207 67 No 3 Benzene 71432 1,200 Yes 60 013 n-Hexane 110543 8,502 Yes 425 AIRS ID: 123/5660 Page 9 of 13 olor epa en P li ealth and Environment it Pollution Control Division Tol 8 60 Ethylbenzene 100414 83 No 4 Xylenes 1330207 376 Yes 19 2,2,4- 540841 382 Yes 19 trimethylpentane ___ Benzene 71432 359 Yes 18 n-Hexane 110543 2,308 Yes 115 014 Toluene 108883 357 Yes 18 Ethylbenzene 100414 28 No 1 Xylenes 1330207 162 No 8 5) The emission levels contained in this permit are based on the following emission factors: Point 005: Pollutant Uncontrolled Controlled Source lb/BBL loaded lb/BBL loaded VOC 0.1212 0.0406 AP-42 Benzene 0.0006 0.0002 AP-42 n-Hexane 0.0060 0.0020 AP-42 Toluene 0.0005 0.0002 AP-42 Xylenes 0.0002 0.00005 AP-42 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= 1 (Submerged loading: dedicated vapor balance service) P(true vapor pressure)=2.09 psia M (vapor molecular weight)=60.78 Ib/Ib-mol T(temperature of liquid loaded)=524 R The uncontrolled non-criteria reportable air pollutant(NCRP) emission factors were calculated by multiplying the mass fraction of each NCRP in the stable condensate by the VOC emission factor. The controlled emissions for this point are based on overall control efficiency of 66.5% based on a collection efficiency of 70% and flare control efficiency of 95%. Point 007: Emission Emission Factors- Factors- Uncontrolled Controlled Pollutant lb/MMscf vented lb/MMscf vented Source NOx 0.068 0.068 AP-42 (lb/MMBTU) CO 0.37 - 037 AP-42 (lb/MMBTU) VOC 15,714 785.68 Gas Analysis Benzene 35.861 1.7930 Gas Analysis n-Hexane 230.80 11.540 Gas Analysis AIRS ID: 123/5660 Page 10 of 13 De pa en P III '° ealth and Environment ' olor it Pollution Control Division Factors- Factors- Uncontrolled Controlled Pollutant lb/MMscf vented lb/MMscf vented Source Toluene 35.738 1.7869 Gas Analysis Xylenes 16.248 0.8124 Gas Analysis The displacement equation can found in "EPA Emission Inventory Improvement Program Publication: Volume II, Chapter 10-Displacement Equation (10.4-3)." Emission factors for CO and NOx found in AP-42 Table 13.5-1. A HHV of 1,322 BTU/scf was used for combustion calculations. Point 008: Weight Emission Emission Pollutant Fraction of Factors Factors Source Gas(%) Uncontrolled Controlled lb/MMscf lb/MMscf NOx(lb/MMBTU) --- 0.068 0.068 AP-42 CO(lb/MMBTU) --- 0.37 0.37 AP-42 VOC 43.1 32,389 1,619.5 Gas Analysis Benzene 0.11 80.800 4.0400 Gas Analysis Toluene 0.09 66.134 3.3067 Gas Analysis Ethylbenzene 0.01 5.0424 0.2521 Gas Analysis Xylenes 0.03 23.251 1.1625 Gas Analysis n-hexane 0.68 512.53 25.627 Gas Analysis Note: The uncontrolled VOC and HAP emissions were calculated using a gas sample collected 6/26/2013 of the gas vented from the low pressure separator from Wetco Farms A-4 to estimate the VOC and HAP content of the stream and a Promax model to estimate stream flow. Emission factors for CO and NOx are based on AP-42 Table 13.5-1. A HHV of 1,627 BTU/scf was used for calculations. Point 013: Weight Emission Emission Pollutant Fraction of Factors Factors Source Gas (%) Uncontrolled Controlled lb/MMscf lb/MMscf NOx(lb/MMBTU) --- 0.068 0.068 AP-42 CO(lb/MMBTU) --- 0.37 0.37 AP-42 VOC 89.8 134,205 6,710.2 Gas Analysis Benzene 1.01 1,509.7 75.487 Gas Analysis Toluene 1.01 1,505.6 75.278 Gas Analysis Ethylbenzene 0.07 104.99 5.2496 Gas Analysis Xylenes 0.32 472.75 23.638 Gas Analysis n-hexane 7.16 10,696 534.81 Gas Analysis Note: The uncontrolled VOC and HAP emissions were calculated based on a Promax model to estimate the VOC and HAP content of the stream and stream flow. Emission factors for CO and NOx are based on AP-42 Table 13.5-1. A HHV of 3,154 BTU/scf was used for calculations. AIRS ID: 123/5660 Page 11 of 13 olor epa en Ii it Pollutionealthand Control DivisionEnvironment Point 014: Weight Emission Emission Pollutant Fraction of Factors Factors Source Gas(%) Uncontrolled Controlled Ib/MMscf Ib/MMscf NOx 0.068 0.068 AP-42 (lb/MMBTU) CO 0.37 0.37 AP-42 (lb/MMBTU) VOC 26.1 15,713 785.65 Gas Analysis Benzene 0.06 35.865 1.7933 Gas Analysis Toluene 0.06 35.742 1.7871 Gas Analysis Ethylbenzene 0.005 2.8013 0.1401 Gas Analysis Xylenes 0.03 16.248 0.8124 Gas Analysis __ n-hexane 0.38 230.80 11.5399 Gas Analysis Emission factors for CO and NOx found in AP-42 Table 13.5-1. A HHV of 1,322 BTU/scf was used for calculations 6) In accordance with C.R.S. 25-7-114.1, each Air Pollutant Emission Notice (APEN) associated with this permit is valid for a term of five years from the date it was received by the Division. A revised APEN shall be submitted no later than 30 days before the five-year term expires. Please refer to the most recent annual fee invoice to determine the APEN expiration date for each emissions point associated with this permit. For any questions regarding a specific expiration date call the Division at (303)-692-3150. 7) This facility is classified as follows: Applicable Status Requirement Operating Permit Synthetic Minor Source of: VOC, n-hexane and total HAPs NANSR Synthetic Minor Source of: VOC MACT HH Not Applicable 8) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://ecfr.gpoaccess.aov/ Part 60: Standards of Performance for New Stationary Sources NSPS 60.1-End Subpart A—SubpartKKKK 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 AIRS ID: 123/5660 Page 12 of 13 ` olor. Depa en P +h ''' ealth and Environment Air Pollution Control Division I 1h. MACT 63.6580-63.8830 Subpart 7777—Subpart MMMMM MACT 63.8980-End Subpart NNNNN—Subpart XXXXXX 9) A self certification form and guidance on how to self-certify compliance as required by this permit may be obtained online at: http://www.colorado.00v/pacific/cdphe/air-permit-self-certification AIRS ID: 123/5660 Page 13 of 13 Division Information Engineer: Carissa Money Control Engineer: NA Review Date: 02/12/2015 Application Date: 08/22/2014 Facility Identifiers Permit No. 13WE2521 Potentially located in ozone nonattainment area AIRS County# 123 Weld Facility n 5660 Facility Type: exploration and production facility I]Located in the 8-hour non-attainment area? O True Minor Synthetic Minor for: 1✓VOC r NOx f CO Administrative Information Company Name: Bonanza Creek Energy Operating Company LLC Source Name: Wetco Farms A-4 Production Facility Source Location: NWNW Section 4,Township 5N, Range 63W SIC: 1311 Address 1: Bonanza Creek Energy Operating Company LLC Mailing Address 2: 410 17th Street,Suite 1500 Address State Zip: Denver,CO 80202 Name: Peg Young Person To Phone: 720-440-6133 Contact Fax: 720-279-2331 Email: pyoung@bonanzacrk.com Requested Action Self Certification Required? Yes Issuance Number: 2 Source Description: Oil and gas exploration and production facility known as the Wetco Farms A-4 Production Facility,located in the NWNW Section 4,Township 5N, Range 63W,Weld County,Colorado. Point Name Type Control Action 005 TLO Loadout Flare Modification-increase throughput limit,add on control device,decrease emission limit In 8/2014 application,source submitted 006 FUG Fugitives None APEN to increase component counts and emission limit.On 2/27/15,source submitted notice of cancellation for fugitives Modification-correct type of pump to smaller 007 P-1 Pump Flare pump and decrease process limit and emission limit Sep-2 and Separator Venting Flare Modification-increase throughput and 008 Sep-3 emission limit 013 VRT-1 Separator Venting Flare New point 014 FL-2 Separator Venting Flare New point-emergency flare Hydrocarbon Loadout to tanker trucks that is controlled by using dedicated vapor balance service and four enclosed flares.Collection system is 70%efficient and each flare has a minimum control 005 efficiency of 95%. Calculations L=12.46*S•P•M/T(AP-42:Chapter 5.2, Equation 1) L=loading losses in lb per 1000 gallons loaded Factor Meaning Value Units Source S Saturation Factor 1 AP-42 for submerged loading,dedicated vapor b. P True Vapor Pressure 2.09 psia Calculated NP of liquid based on oil analysis an M Molecular Weight of Var 60.78 lb/lb-mole Calculated MW of liquid based on oil analysis an T Liquid Temperature 523.67 deg.R EPA Tanks Met Data for Denver, CO L 2.89 lb/10^3 gal 1.21E-01 lb/bbl Annual requested Throughput 179580 BBL/yr 7542360 gal/yr Annual requested VOC emissions 21764 lb/yr 10.88 tpy Control: Flare Efficiency: 66.50% Source assumes 95%control efficiency and 70%collection efficiency NCRPs Component Mass Fraction VOC 0.9547 Benzene 0.0051 n-hexane 0.0492 Toluene 0.0039 _Ethylbenzen 0.0001 Xylenes 0.0012 Source: Stable Sales oil composition collected 7/2/2014 from production oil at Wetco Farms A-4-9MRLC and applying Eq 1-22 of AP-42 Ch 7 Emissions Summary Table Pollutant Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 0.1212 lb/bbl 10.9 tpy 3.6 tpy AP-42 Benzene 0.0006 lb/bbl 111 lb/yr 37 lb/yr AP-42 n-Hexane 0.0060 lb/bbl 1071 lb/yr 359 lb/yr AP-42 Toluene 0.0005 lb/bbl 86 lb/yr 29 lb/yr AP-42 Ethylbenzen 0.00002 lb/bbl 3 lb/yr 1 lb/yr AP-42 Xylenes 0.0001 lb/bbl 26 lb/yr 9 lb/yr AP-42 13WE2521.CP2 123/5660 Hydrocarbon Loadout to tanker trucks that is controlled by using dedicated vapor balance service and four enclosed flares.Collection system is 70%efficient and each flare has a minimum control 005 efficiency of 95%. Regulatory Review 'Regulation 3-APEN and Permittinq Requirements Is this site considered an exploration and production location(e.g.well pad)? Yes If yes, review the following two exemptions for applicability: Does the operator unload less than 10,000 gallons(238 BBLs)per day of crude oil on an annual average basis? No If yes,this emissions point is categorically exempt from permit requirements per Regulation 3,Part B,Section II.D.1.1 Does this operator unload less than 6,750 bbls per year of condensate via splash fill or 16,308 bbls per year of condensate via submerged fill procedure? No If yes,this emissions point is categorically exempt from permit requirements per Regulation 3,Part B,section II.D.1.1 13WE2521.CP2 E2521.CP2 123/5660 000 Fugitive qulpmeM leaks SOURCE SUBMITTED MEN WITH ORIGINAL APPLICATION TO INCREASE FUGmVES TO 14 TPY.ON 2/2712015.SOURCE SUBMITTED CANCELL AS OF 1/1/2015.THE FACILITY IS SUBJECT TO REG 7.XVII .USING TABLE 2d EMISSION FACTORS.FUGITNES ARE APEN-EXEMPT Regulation 7 IMamupon Operating Han 8760 hours/year Emission Factor Source Screening EFs-EPA-453R-95017 Table 2-8 Cabral ERrc'rancy Smythe: None Calpulpom Emission Factor(110/19- Embebne Service Component Type Court source) Control(%)Papua Vass Franon Spy) Table 2-4 UM*2-S Reg.3 Connectors 2124 2WE04 LOGE-05 0.0% VOC 0.260824 0129758) Flanges 123 390E-04 5.70E-06 0.0% Benue O000594 00032965 open-Ended Linea 67 2.00E-03 1.50E-05 0.0% Tokens 0000505 0000296 Gas Pump Seals 8 2.40E-03 350E-0M 0.0% Elhdbmmne 0.000048 2.198E-5 . Valves 335 450E-03 250E-05 0.0% Xyena 000027 0.0001343 ' Other 145 8.80E-03 1.20E-04 0.0% MMane 0003831 00016059 Connectors 0 7.50E06 7.50E-08 0.0% VOC 1 0 Flanges 0 Benzene 3.90E-07 0.0% Bene 0 Open-Ended Lines 0 1.40E-04 7.20E-06 0.0% Toluene He Cl 0 Pump Seals 0 000683 0.CO1400 0.0% EMytMmn 0 Vales 0 8.40106 8.40E-06 0.0% Xylem G. Other 0 320E-05 3.20E-05 0.0% Mbare 0 Connectors 758 2.10E-04 9.70E-06 0.0% VCC 0.997084 0.1130010 Flanges 28 1.10E{M 2.40E-06 00% Benasa 0008771 0000.94 Opn 0 Erded Lines 6 1.40E-03 1.40E-05 0.0% Toluene 02615 0.0020638 L'9M Oil ' Pump Seals 0 1.30E-02 5.10E-04 0.0% EBp4Miane 0.004747 0.0430538 Valves 107 2.50E-03 1.90E-05 0.0% Xylena 0O25506 0.0028907 other 20 7.50E-03 1.10E-04 0.0% M4eaane 0.058901 0.0086845 Connecters 2.10E{N 1.00E-05 0.0% VOC 1 0 Flanges 2.90E-06 2.90E-06 6 0.0% Benzene 0 WatenIC6 Open-Ended lines 2.50E{M 3.50E-06 0.0% Toluene 0 Pump Seals 2.40E-05 2.90E-05 0.0% EOrylbenane 0 Valves 9.80E-05 6,766.6 0.0% re%ylea 0 Deer 1.40E-02 5.90E-05 0.0% nAbaane 0 EmMMwu Summary Table Pollutant Uncontrolled Emissions Controlled Emissions Source I 1py VOC 021sy 02%y Screening Efs-EPA-453/12-95-017 Table 2-8 Benzene 3 lb* 31Wyr Screening EFe-EPA-453095017 Table 2- 0.00 Toluene 71NN 710* Screening EFs-EPA-453R95011 Table 2- 0.00 EIM1t4Mmmne 1 W 1 I6* Scorning EFs-EPA-1SSR95017 Table 2- 0.00 %vanes 616ryr 61Nyr Scorning EFs-EPA453R86.017 Table 2- 0.00 rWsane 17 lb/yr 17 lbM Screening EFs-EPA-453/R-95-017 Table 2- 0.01 Ndee'. VOC and HAP cmcenlretons for gas service am based on vei9MM saes gas eamga collectedcollected71821013 1100111001WW0193Farms FJ-4HC and 712/2014 from VOC and H HAP concentrations for lgo liquid am hexed.on 'ot tne stable ondeneb sample collected 702013 from Wetco Farms FJ-4HC and 7211014 site-specific apecific and Whin t year m ma,application no initial sampling required. Regulatory ApplIabIllry Vag.3 Review Regslaam 3.Part B.Section III.D.2 to determine is RACT is required? Yes 6 Rev'rew40 CFR.Pert 60.Subpart KKK lo determine ll applicable to this source? No Reg. Review 40 CFR,Part 00,Subpart 000010 determine 0 805380 aMrer 80.5385 is applicable? No Rem 7 Review Section XJII F to determine is LDAR is applicable? Yes 13WE2521.CP2 123/5660 One(1)pneumatic water transfer pump,rated at 600 scf/hr(Sandpiper. Model G1 F,Serial number 2004235).The pneumatic pump is controlled by 007 four enclosed flares.Each flare has a minimum control efficiency of 95%. Pump Information Manufactur Sandpiper Model Number:GlF Serial Pump Number:2004235 Information Pump capacity 9.1 gallons per minute pumped natural gas 600 scf/hour used consumptio Control Flare 95.00%Efficiency Calculations EPA Emission Inventory improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3) Ex=Q"MW"Xx/C Ex=emissions of pollutant x 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/lb-mol)at 60F and 1 atm Q 600 scf/hr _ MW 22.83 Ib/Ib-mot Lour!or OP. 5755 baurshr Requested Throughput 5.256 MMscf/yr Component mole% MW mass fraction Component lb/hr lb/yr tpy CO2 2.1228 44 0.0409 CO2 1.479 12953125 6.477 nitrogen O4249 28 0.0052 nitrogen 0.188 1649.912 0.825 methane 71 4054 16.04 0.5017 methane 18.132 158836.960 79.418 ethane 145376 30.07 0.1915 ethane 6.921 60623.679 30.312 propane 73305 44.09 0.1411 propane 5.099 44668.996 22.334 isobutane O7981 58.12 0.0203 isobutane 0.734 6432.785 3.216 n-butane ?0084 58.12 0.0521 n-butane 1.885 16510.359 8.255 isopentane O3304 72.15 0.0120 isopentane 0.434 3806.212 1.903 n-pentane O4482 72.15 0.0142 n-pentane 0.512 4484.606 2.242 cyclopentane 00272 70.15 0.0008 cyclopentane 0.030 264.614 0.132 n-hexane 0.1015 86.18 0.0038 n-hexane 0.138 1213.078 0.607 cyclohexane O0287 84.18 0.0011 cyclohexane 0.038 335.048 0.168 Other hexanes 6.1349 86.18 0.0062 Other hexane. 0.225 1970.803 0.985 heptanes O0938 100.21 0.0037 heptanes 0.133 1164.585 0,582 methylcyclohexa 00268 98.19 0.0012 methylcyclohc 0.042 364.937 0.182 224-TMP 3 114.22 0.0000 224-TMP 0.000 0.000 0.000 Benzene O0174 78.11 0.0006 Benzene 0.022 188.483 0.094 Toluene O0147 92.14 0.0006 Toluene 0.021 187.837 0.094 Ethylbenzene 0 101 106.17 0.0000 Ethylbenzene 0.002 14.724 0.007 Xylenes 0.0058 106.17 0.0003 Xylenes 0.010 85.398 0.043 CBE-Heavies O0567 114.23 0.0028 C8+Heavies 0.103 898.213 0.449 Mass Fraction VOC: 0.2609 Total VOC 41.295 Heating Value I 1322 BTU/scf Combustion omission factor sour. AP-42:Chapter 13.5 007 I it NOgMMBiu 0.37 it cO5MMalu 13WE2521.CP2 123/5660 One(1)pneumatic water transfer pump,rated at 600 sct/hr(Sandpiper, Model G1 F,Serial number 2004235).The pneumatic pump Is controlled by 007 four enclosed flares.Each flare has a minimum control efficiency of 95%. Mole%,MW,and mass factions are based on weighted average of sales gas analyses collected from Wetco Farms A-4-9MRLC 7/2/2014 and from' Emissions are based on 8760 hours of operation per year. Source assumed MW of 114.23 for 06+ Emissions Summary Table Pollutant Uncontrolled Emission Fa Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source V0C 15714 Ib/MMsd 785.68 lb/MMscf 41.3 tpy 2.1 spy Gas Analysis Nox 0.07 Ib/MMBTU 0.07 Ib/MMBTU 0.2 tpy 0.2 spy AP-42 CO 0.37 lb/MMBTU 0.37 Ib/MMBTU 1.3 tpy 1.3 tpy AP-42 Benzene 35.881 lb/MMscf 1.7930 lb/MMscf 188 lb/yr 9 lb/yr Gas Analysis n-Hexane 230.80 lb/MMscf 11.540 lb/MMscf 1213 lb/yr 61 lb/yr Gas Analysis Toluene 35.738 lb/MMscf 1.7869 lb/MMscf 188 lb/yr 9 lb/yr Gas Analysis %ylenes 18.248 lb/MMscf 0.8124 lb/MMscf 85 lb/yr 4 lb/yr Gas Analysis Ethylbenzene 2.801 lb/MMscf 0.140 lb/MMscf 15 lb/yr 1 lb/yr Gas Analysis 13WE2521.CP2 123/5660 Two low-pressure separators controlled by four enclosed flares during VRU downtime.Each flare has a 008 minimum control efficiency of 95%. Equipment Description This source vents natural gas from: low-pressure separators when the VRU is down Emissions from this source are: routed to a flare INatural gas venting from low-pressure separators when the VRU is down.Emissions from this source are routed to a flare. Calculations Emission Calculation Method EPA Emission Inventory Improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3) Ex=0'MW*Xx/C Ex=emissions of pollutant x 0=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/lb-mol)at 60F and 1 atm Throughput(0) 2.9 MMscf/yr 329.1498 scf/hr LMW 28.5 IbAb-mol 0.007899595 MMscf/d mole% MW Ibx/Ibmol mass fraction lb/hr lb/yr toy Helium 0.00 4.0026 0.000 0.000 0.00 0.00 0.00 CO2 2.59 44.01 1.140 0.040 0.99 8671.81 4.34 N2 0.18 28.013 0.050 0.002 0.04 383.61 0.19 methane 50.30 16.041 8.089 0283 7.01 61386.46 30.69 ethane 23.33 30.063 7.012 0248 6.09 53348.67 26.67 propane 14.55 44.092 6.416 0.225 5.57 48814.96 24.41 isobutane 1.66 58.118 0.963 0.034 0.84 7329.95 3.66 n-butane 4.38 58.118 2.545 0.089 2.21 19362.17 9.68 isopentane 0.85 72.114 0.616 0.022 0.54 4689.67 2.34 n-pentane 1.02 72.114 0.739 0.026 0.64 5621.24 2.81 cydopentane 0.06 70.13 0.045 0.002 0.04 338.79 0.17 n-Hexane 0.23 86.18 0.194 0.0068 0.17 1477.81 0.74 cydohexane 0.06 84.16 0.051 0.002 0.04 388.64 0.19 Other hexanes 0.37 86.18 0.317 0.011 0.28 2412.10 1.21 heptanes 0.17 100.21 0.167 0.006 0.15 1273.17 0.64 methylcyclohexane 0.05 98.19 0.049 0.002 0.04 373.50 0.19 224-TMP 0.00 114.23 0.000 0.000 0.00 0.87 0.00 Benzene 0.04 78.12 0.031 0.0011 0.03 232.97 0.12 Toluene 0.03 92.15 0.025 0.0009 0.02 190.69 0.10 Ethylbenzene 0.00 106.17 0.002 0.0001 0.00 14.54 0.01 Xylenes 001 10617 0.009 0.0003 0.01 67.04 0.03 08+Heavies 0.09 114.23 0.105 0.004 0.09 801.25 0.40 VOC mass frac 0.431 Total VOC(Uncontrolled) 46.69 Notes Mole%.MW,and mass fractions are based on the LP separator gas analysis collected 6/26/2013 from Welco Farms A-4. Emissions are based on 8760 hours of operation per year. Source assume MW of C6+as 114.23 Flow rate is based on sum of predicted flow for both separators from Promax plus 20%safety factor and assuming 15%VRU downtime 13WE2521.CP2 123/5660 Two low-pressure separators controlled by four enclosed flares during VRU downtime.Each flare has a 008 minimum control efficiency of 95%. Flaring Information Equipment Description Flare to combust low-pressure separator gas during VRU downtime. Manufacturer Lead' Model L30-0010 Serial Number 20051,16404,20662,20661 Gas Heating Value 1627IBtu/sef Throughput 4691.214107 MMBtu/yr VRU Information-NOT APPLICABLE Equipment Description Make Model Requested Control Efficiency Annual Bypass Time Backup I Flare 'Overall Control I 95.00%4 Combustion emission factor source: AP-42:Chapter 13.5 0.07 NOX/MMBtu 0.37 f Ib CO/MMBtu Emissions Summary Table Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions controlled Emissions Source VOC 32389 lb/MMscf 1619.5 lb/MMscf 46.7 tpy 2.3 spy Gas Analysis Noa 0.071b/MMBTU 0.07 Ib/MMBTU 0.2 tpy 0.2 spy AP-42 CO 0.37 lb/MMBTU 0.37 Ib/MMBTU 0.9 tpy 0.9 tpy AP-42 Benzene 80.800 lb/MMscf 4.0400 lb/MMscf 233 lb/yr 12 lb/yr Gas Analysis_ if-Hexane 512.53 lb/MMscf 25.627 lb/MMscf 1478 lb/yr 74 lb/yr Gas Analysis Toluene 66.134 lb/MMscf 3.3067 lb/MMscf 191 lb/yr 10 lb/yr Gas Analysis Xylenes 23.251 lb/MMscf 1.1625 lb/MMscf 67 lb/yr 3 lb/yr Gas Analysis Ethylbensene 5.0424 lb/MMscf 0.2521 lb/MMscf 15 lb/yr 1 lb/yr Gas Analysis Regulatory Applicability AQCC Regulation 1, This source is subject to the opacity requirements for flares in Section II.A.5:'No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30%opacity.' AQCC Regulation 2 Section IA apples to all emission sources.'No person,wherever located,shall cause or allow the emission of odorous air contaminants from any single source such ea to result in detectable odors which are measured in excess of the blowing lmils: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven(7)or more volumes of odor free air.' AQCC Regulation 7 Was the well newly constructed,hydraulically fractured,or recompleted on or after August 1,2014? No This separator is not subject to Reg 7 Section XVII.G 13WE2521.CP2 123/5660 One vapor recovery lower(VRT)controlled by four enclosed flares during VRU downtime.Each flare has 013 a minimum control efficiency of 95%. Equipment Description This source vents natural gas from: a vapor recovery tower(VRT)when the VRU is down Emissions from this source are: routed to a flare INatural gas venting from a vapor recovery tower(VRT)when the VRU is down.Emissions from this source are routed to a flare. Calculations Emission Calculation Method EPA Emission Inventory Improvement Program Publication:Volume It,Chapter 10-Displacement Equation(10.4-3) Ex=C)*MW•Xx/C Ex=emissions of pollutant x O=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/lb-mol)at 60F and 1 atm Throughput(CO I 0.856.6487Ilb lb/lb-mot MMscayr 10.00210 7582I MW MMscf/d mole% MW lbx/Ibmol mass fraction lb/hr Ib/yr tpy Helium 0.00 4.0026 0.000 0.000 0.00 0.00 0.00 CO2 0.50 44.01 0.222 0.004 0.05 465.93 0.23 N2 0.00 28.013 0.000 0.000 0.00 0.00 0.00 methane 4.37 16.041 0.701 0.012 0.17 1469.62 0.73 ethane 15.93 30.063 4.789 0.085 1.15 10044.24 5.02 propane 27.20 44.092 11.993 0.212 2.87 25151.38 12.58 isobutane 4.85 58.118 2.820 0.050 0.68 5914.89 2.96 n-butane 15.38 58.118 8.939 0.158 2.14 18747.37 9.37 isopentane 3.63 72.114 2.614 0.046 0.63 5482.23 2.74 n-pentane 4.51 72.114 3.254 0.057 0.78 6823.88 3.41 cyclopentane 1.34 70.13 0.941 0.017 0.23 1973.63 0.99 n-Hexane 4.70 86.18 4.054 0.0716 0.97 8501.52 4.25 cyclohexane 1.46 84.16 1.229 0.022 0.29 2577.38 1.29 Other hexanes 8.42 86.18 7.256 0.128 1.74 15217.46 7.61 heptanes 3.17 100.21 3.175 0.056 0.76 6658.48 3.33 methylcyclohexane 1.22 98.19 1.199 0.021 0.29 2515.30 1.26 224-TMP 0.16 114.23 0.182 0.003 0.04 382.02 0.19 Benzene 0.73 78.12 0.572 0.0101 0.14 1199.97 0.60 Toluene 0.62 92.15 0.571 0.0101 0.14 1196.64 0.60 Ethylbenzene 0.04 106.17 0.040 0.0007 0.01 83.45 0.04 Xvlenes 0.17 106.17 0.179 0.0032 0.04 375.75 0.19 081-Heavies 1.59 116 1.844 0.033 0.44 3866.83 1.93 VOC mass frac 0.898 Total VOC(Uncontrolled) 53.33 Notes Mole%.MW,and mass fractions are based on the predicted compositions of the VRT stream from Promax model provided in application Emissions are based on 8760 hours of operation per year. MW of C8+is assumed to be 116 Flow rate is based on predicted flow of VRT stream from Promax plus 20%safety factor and assuming 15%VRU downtime 13WE2521,CP2 123/5560 One vapor recovery tower(VRT)controlled by four enclosed flares during VRU downtime.Each flare has 013 a minimum control efficiency of 95%. Flaring Information Equipment Description Flare to combust VRT gas during VRU downtime. Manufacturer Leed Model L30-0010 Serial Number 20051,16404,20662,20661 Gas Heating Value 3154 Btu/scf Throughput 2506.854635 MMBtu/yr VRU Information-NOT APPLICABLE Equipment Description Make Model Requested Control Efficiency Annual Bypass Time Backup Flare Overall Control 95.00% Combustion emission factor source: AP-42:Chapter 13.5 0.07 lib NOX/MMBtu 0.37 l lb CO/MMBN Emissions Summary Table Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source V0C 134205 lb/MMscf 6710.2 Ib/MMsd 53.3 tpy 2.7 tpy Gas Analysis Nos 0.07 lb/MMBTU 0.07 lb/MMBN 0.1 tpy 0.1 spy AP-42 CO 0.37 lb/MMBN 0.37 Ib/MMBTU 0.5 tpy 0.5 tpy AP-42 Benzene 1509.7 lb/MMscf 75.487 lb/MMscf 1200 lb/yr 60 lb/yr Gas Analysis n-Hexane 10896 lb/MMscf 534.81 lb/MMsd 8502 lb/yr 425 lb/yr Gas Analysis Toluene 1505.8 lb/MMscf 75.278 lb/MMscf 1197 lb/yr 60 lb/yr Gas Analysis Xylenes 472.75 lb/MMscf 23.638 lb/MMscf 376 lb/yr 19 lb/yr Gas Analysis Ethylbenzene 104.99 lb/MMscf 5.24%lb/MMscf 83 lb/yr 4 lb/yr Gas Analysis 224-TMP 480.63 lb/MMscf 24.032 lb/MMscf 382 lb/yr 19 lb/yr Gas Analysis Regulatory Applicability AOCC Regulation 1 This source is subject to the opacity requirements for flares In Section I IA.5:'No owner cc operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30%opacity.' AOCC Reoulation 7 Section I.A applies to all emission sources.'No person,wherever located,shal cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven(7)or more volumes of odor free air.' Agee Regulation 7 Was the well newly constructed,hydraulically fractured,or recompleted on or after August 1,2014? No This separator is not subject to Reg 7 Section XVII.G 13WE2521.CP2 123/5660 One emergency flare used to combust separator gas during emergencies or when the pipeline is not 014 available.Flare has a minimum control efficiency of 95O. The flare is not enclosed. Equipment Description This source vents natural gas from: a well head separator when the sales gas pipeline is not available or during emergencies Emissions from this source am: routed to a flare INatural gas venting from a well head separator when the sales gas pipeline is not available or durinq emergencies.Emissions from this source are routed to Calculations Emission Calculation Method EPA Emission Inventory Improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3) Ex=Q'MW*Xx/C Ex=emissions of pollutant x 0=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/lb-mot)at 6OF and 1 atm Throughput(Q) 10 MMscf/yr 1141.552511 scf/hr MW 2253 lb/lb-mot 0.02739726 MMscf/d mole h MW Ihx/Ibmol mass fraction Ilb/hr lb/yr tpy • Helium 0.00 4.0026 0.000 0.000 0.00 0.00 0.00 CO2 2.1228 44.01 0.934 0.041 2.81 2465024 12.33 N2 04249 28.013 0.119 0.005 0.36 3140.56 1.57 methane 714054 16.041 11454 0.502 34.50 302220.06 151.11 ethane .45375 30.063 4.370 0.191 13.16 11531500 57.66 propane 70055 44.092 3.221 0.141 9.70 84990.53 42.50 isobutane 0.7951 58.118 0.464 0.020 1.40 1223852 6.12 n-butane 20454 58.118 1.190 0.052 3.59 31411.32 15.71 isopentane 03854 72.114 0.274 0.012 0.83 7238.04 3.62 n-pentane 04482 72.114 0.323 0.014 0.97 8528.10 4.26 cydopentane 00272 70.13 0.019 0.001 0.06 503.31 0.25 n-Hexane 0.1015 86.18 0.087 0.0038 0.26 2307.99 1.15 cydopexane 00257 84.16 0.024 0.001 0.06 637.31 0.32 Other hexanes 01849 86.18 0.142 0.006 0.43 3749.63 1.87 heptanes 00835 100.21 0.084 0.004 0.25 2215.73 1.11 methylcyclohexane 00268 98.19 0.026 0.001 0.08 694.33 0.35 224-TMP 0 114.23 0.000 0.0000 0.00 0.00 0.00 Benzene 00174 78.12 0.014 0.0006 0.04 358.65 0.18 Toluene 07147 92.15 0.014 0.0006 0.04 35]42 0.18 Ethylbenzene s201 106.17 0001 0.00005 000 28.01 0.01 Xylenes 000sfl 106.17 0006 0.0003 002 162.48 0.08 08+Heavies 00567 114.23 0065 0.003 020 1708.93 0.85 VOC mass frac 0.2609 Total VOC(uncontrolled) 78.57 Notes Mole 4L,MW,and mass fractions are based on weighted average of sales gas analyses collected from Welco Farms A<9MRLO 7/2/2014 and from Wetco Farms F-64HO Emissions are based on 8760 hours of operation per year. Source assumed MW of 114.23 for CS* 13WE2521.CP2 123/5660 One emergency flare used to combust separator gas during emergencies or when the pipeline is not 014 available.Flare has a minimum control efficiency of 95%. The flare is not enclosed. Flaring Information Equipment Description Flare to combust separator gas when ipeline is not available or during emergencies. Manufacturer TOD Model TBD Serial Number TBD Gas Heating Value 1322 Btu/scf Throughput 13220 MMBtu/yr VRU Information-NOT APPLICABLE Equipment Description Make Model Requested Control Efficiency Annual Bypass Time Backup j Flare • Overall Control 95.00% Combustion emission factor source: AP-42:Chapter 13.5 0.07 jib NOX/MMBtu 0.37 llb CO/MMBIu Emissions Summary Table Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 15713 lb/MMscf 785.65 Ib/MMsd 78.6 tpy 3.9 tpy Gas Analysis Nose 0.07 lb/MMBTU 0.07 Ib/MMBTU 0.4 tpy 0.4 tpy AP-42 CO 0.37 lb/MMBTU 0.37 Ib/MMBTU 2.4 tpy 2.4 tpy AP-42 Benzene 35.885 lb/MMscf 1.7933 lb/MMsd 359 lb/yr 18 lb/yr Gas Analysis n-Hexane 230.80 lb/MMsd 11,540 lb/MMsd 2308 lb/yr 115 lb/yr Gas Analysis Toluene 35.742 lb/MMsd 1.7871 lb/MMsd 357 lb/yr 18 lb/yr Gas Analysis Xylenes 16.248 lb/MMscf 0.8124 Ib/MMsd 162 lb/yr 8 lb/yr Gas Analysis Ethylbenzene 2.8013 Ib/MMsd 0.1401 tb/MMscf 26 lb/yr 1 lb/yr Gas Analysis Regulatory Applicability AOCC Reoulation 1 This source is subject to the opacity requirements for flares in Section I IA.5'No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air polutanl which is in excess of 30%opacity.' AOCC Regulation 2 Section I.A applies to all emission sources."No person,wherever located,shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limits: For areas used predominantly for residential or commercial purposes it is a violation if odors are detected after the odorous air has been diluted with seven(7)or more volumes of odor free air." AOCC Regulation 7 Was the well newly constructed,hydraulicaly fractured,or recompleted on or after August 1,2014? ' No This separator is not subject to Reg 7 Section XVII.G 13WE2521.CP2 123/5660 AIRS(County/Plant)123/5660 Permit No.13WE2521 Date 2/12/2015 - Controlled Controlled Actual Requested NCRP= Uncontrolled Emission Emissions Emissions Cid. reportable Point# SCC Pollutant or CAS Factor Emisison Factor Source (tpYP UpY)' PTE(lpyy Eff% Y VOC 2.8858 lb/1000ga AP-42 3.6 10.9 665% Yes Benzene 0.0147 lb/1000 ga AP-42 37 111 66.5% No 005 40600132 n-Hexane 0.1419 lb/1000 ga AP-42 359 1071 66.5% Yes Toluene 0.0114 lb/1000 ga AP-42 29 86 66.5% No Ethylbenzene 0.0004 Ib/1000 qa AP-421 3 66.5% No Xylenes 0.0035 lb/1000 ga AP-429 26 66.5% No VOC 15714 lb/MMscf Gas Analysis 2.1 41.3 95% Yes NOx 0.068 lb/MMBTU AP-42 0.2 0.2 0% No CO 0.37 lb/MMBTU AP-42 1.3 1.3 0% Yes 007 31000299 Benzene 35.861 lb/MMscf Gas Analysis9 189 95% No n-Hexane 230.80 lb/MMscf Gas Analysis 61 1213 95% Yes Toluene 35.736 lb/MMscf Gas Analysis9 188 95% No EtM1ylbenzene 2.8010 lb/MMscf Gas Analysis 1 15 95% No Xylenes 16.248 lb/MMscf Gas Analysis 4 85 95% No VOC 32389 lb/MMscf Gas Analysis 2.3 46.7 95% Yes NOx 0.068 lb/MMBTU AP-42 0.2 0.2 0% No CO 0.37lb/MMBTU AP-42 0.9 0.9 0% No 008 31000205 Benzene 80.800 lb/MMscf Gas Analysis 12 233 95% No n-Hexane 512.53 lb/MMscf Gas Analysis 74 1478 95% Yes Toluene 66.134 lb/MMscf Gas Analysis 10 191 95% No EtM1ylbenzene 5.0424 lb/MMscf Gas Analysis1 15 95% No Xylenes 23.251 lbMIMscf Gas Analysis 3 67 95% No VOC 134205 lb/MMscf Gas Analysis 2.7 53.3 95% Yes NOx 0 lb/MMBTU AP-42 0.1 0.1 0% No CO 0Ib/MMBTU AP-42 0.5 0.5 0% No Benzene 150971E/MMscf Gas Analysis 60 1200 95% Yes 013 31000205 n-Hexane 10696 lb/MMscf Gas Analysis 425 8502 95% Yes Toluene 1505.6 lb/MMscf Gas Analysis 60 1197 95% Yes EtM1ylbenzene 104991EIMMsrt Gas Analysis 4 83 95% No Xylenes I 472.75 lb/MMscf Gas Analysis 19 376 95% Yes 22,4-Irimetylpentane 480.63 lb/MMscf Gas Analysis 19 382 95% Yes - _L VOL 15713 lb/MMscf Gas Analysis 3.9 78.6 95% Yes - NOx 0.068 Ib/MMBTU AP-42 0.4 0.4 0% No CO 0.37 lb/MMBTU AP-42 2.4 2.4 0% Yes - 14 31000205 Benzene 35.865 lb/MMscf Gas Analysis 18 359 95% Yes n-Hexane 230.80 lb/MMscf Gas Analysis 115 2308 95% Yes Toluene 35.742 lb/MMscf Gas Analysis 18 357 95% Yes • ENylbenaane 2.80131WMMscf Gas Analysis 1 28 95% No Xyknes I 16.248 Iti/MMacf Gas Analysis 8 162 95% No C 1' t x N 0. - W �' X c c a pWpyy J� vii v° o ... t � � _ .. ... 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Op• I 4K 1 v w p 1 w ��yy' O C 0 t--- r y Q, `u C >` p c... x % d p ° v �' a 0 d L .2t c ii.mZ .a u % o > `n a F° Q e a U O U O ce F I T S e o '�7 em '° ° > Z m ° k m Ca w caw W ❑ O d Qt ® cc c •� m 0 — - f/I vl 4 C0HE COLORADO CO L` Department of Public Health fr Environment Dedicated to protecting and improving the health and environment of the people of Colorado Weld County - Clerk to the Board RECEIVE'i? 1150 0 St PO Box 758 SEP 1 f - • Greeley, CO 80632 WELD COUNTY September 9, 2014 COMMISSIONER Dear Sir or Madam: On September 12, 2014, the Air Pollution Control Division will publish a public notice for Bonanza Creek Energy - Wetco Farms A-4 Production Facility (COGCC#431774), in the The Greeley Tribune. 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 date the public notice is published. Please send any comment regarding this public notice to the address below. Colorado Dept. of Public Health bt Environment APCD-SS-B1 4300 Cherry Creek Drive South Denver, Colorado 80246-1530 Attention: Clara Gonzales Regards, �. „ /� Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure OF'CO. 4300 Cherry Creek Drive S.,Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe John W. Hickenlooper, Governor I Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer ,`.r , %y� �t*b� AWu.") CC L jmm w�F2tcH,�rrl�NC fr6 2014-2788 -17-1q 9-rz-14 CDPHE Public Notice Of A Proposed Project CO Or Activity Warranting Public Comment Website Title: Bonanza Creek Energy - Wetco Farms A-4 Production Facility (COGCC#431774) - Weld County Released To: The Greeley Tribune On: September 9, 2014 Published: September 12, 2014 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: Bonanza Creek Energy Facility: Wetco Farms A-4 Production Facility (COGCC#431774) Exploration and Production Facility NWNW, Sec. 4, T4N, R63W Weld County The proposed project or activity is as follows: Oil and gas exploration and production facility including Condensate Loadout, A Pneumatic Pump used for water transfer, two separators and associated flaring, and associated fugitive emissions 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): • permitted emissions exceed public notice threshold values in Regulation No. 3, Part B, Section III.C.1.a (25 tpy in a non-attainment area and/or 50 tpy in an attainment area) • 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 13WE2521 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 will receive and consider written public comments for thirty calendar days after the date of this Notice. Any such comment must be submitted in writing to the following addressee: David Thompson Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us COLORADO 1 I W� , I A STATE OF COLORADO •LO- . I • D - • -T 1 •F P : C HEALTH AND ENVIRONMENT ��of c ozge AIR POLLUTION CONTROL DIVISION �' TELEPHONE: (303)692-3150 i,. .: �1816: CONSTRUCTION PERMIT PERMIT NO: 13WE2521 Issuance 1 DATE ISSUED: ISSUED TO: Bonanza Creek Energy Operating Company LLC THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas exploration and production facility known as the Wetco Farms A-4 Production Facility, located in the NWNW, Sec 4, T4N, R63W, Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Truck 005 Truck Condensate Loadout Loadout FUG 006 Fugitive equipment leaks Pump 1 007 One (1) Sandpiper G20 pneumatic pump used for water transfer HLPSEP-1 Two Separators controlled by separate enclosed flares. Flare has and 008 a minimum combustion efficiency of 95%. LPSEP-3 Point 007: This pump may be replaced with another pump in accordance with the provisions of the Alternate Operating Scenario (AOS) in this permit. 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 THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: REQUIREMENTS TO SELF-CERTIFY FOR FINAL AUTHORIZATION 1. YOU MUST notify the Air Pollution Control Division (the Division) no later than fifteen days after issuance of this permit, by submitting a Notice of Startup form to the Division. The Notice of Startup form may be downloaded online at www.cdphe.state.co.us/ap/downloadforms.html. Failure to notify the Division of startup of the permitted source is a violation of Air Quality Control Commission (AQCC) Regulation No. 3, Part B, Section III.G.1 and can result in the revocation of the permit. AIRS ID: 123/5660 Page 1 of 13 olor Depa en li Health and Environment it Pollution Control Division 2. Within one hu d ' 80 ance is permit, compliance with the conditions contained in this permit shall be demonstrated to the Division. It is the owner or operator's responsibility to self-certify compliance with the conditions. Failure to demonstrate compliance within 180 days may result in revocation of the permit. (Reference: Regulation No. 3, Part B, III.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3, Part B, III.F.4.b. (Reference: Regulation No. 3, Part B, III.F.4.) 4. The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference: Regulation No. 3, Part B, Section III.E.) 5. The following information shall be provided to the Division within fifteen (15) days after issuance of permit. • manufacturer • model number • serial number This information shall be included with the Notice of Startup submitted for the equipment. (Reference: Regulation No. 3, Part B, III.E.) 6. The operator shall retain the permit final authorization letter issued by the Division, after completion of self-certification, with the most current construction permit. This construction permit alone does not provide final authority for the operation of this source. EMISSION LIMITATIONS AND RECORDS 7. Emissions of air pollutants shall not exceed the following limitations (as calculated in the Division's preliminary analysis). (Reference: Regulation No. 3, Part B, Section II.A.4) Annual Limits: Facility AIRS Tons per Year Emission Type Equipment ID Point NO, VOC CO Truck Loadout 005 6.9 Point FUG 006 7.9 Fugitive Pump 1 007 0.4 4.7 2.1 Point HLPSEP-1 and 008 0.1 1.2 0.8 Point LPSEP-3 AIRS ID: 123/5660 Page 2 of 13 IIolor- Depa en . " di Health and Environment A •it Pollution Control Division See "Notes to -- Il . de," • i ! '.n ._ • - fact. •,rd methods used to calculate limits. Compliance with the annual limits shall be determined by recording the facility's annual criteria pollutant emissions, (including all HAPs above the de-minimis reporting level) from each emission unit, on a rolling twelve (12) month total. By the end of each month a new twelve-month total shall be calculated based on the previous twelve months' data. The permit holder shall calculate emissions each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. This rolling twelve-month total shall apply to all permitted emission units, requiring an APEN, at this facility. 8. Point 006: The operator shall calculate actual emissions from this emissions point based on representative component counts for the facility with the most recent gas analysis, as required in the Compliance Testing and Sampling section of this permit. The operator shall maintain records of the results of component counts and sampling events used to calculate actual emissions and the dates that these counts and events were completed. These records shall be provided to the Division upon request. 9. The emission points in the table below shall be operated and maintained with the control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit (Reference: Regulation No.3, Part B, Section III.E.) Facility Pollutants AIRS Point Control Device Equipment ID Controlled Pump 1 007 Flare VOC, HAPs HLPSEP-1 and 008 Flare VOC, HAPs LPSEP-3 PROCESS LIMITATIONS AND RECORDS 10. This source shall be limited to the following maximum processing rates as listed below. Monthly records of the actual processing rates shall be maintained by the owner or operator and made available to the Division for inspection upon request. (Reference: Regulation 3, Part B, II.A.4) Process/Consumption Limits Facility AIRS Equipment Point Process Parameter Annual Limit ID Truck 005 Oil Loaded 83950 BBL Loadout Pump 1 007 Natural Gas 11.6 MMSCF HLPSEP-1 and 008 Gas Vented from Separator 2.7 MMSCF LPSEP-3 Compliance with the annual throughput limits shall be determined on a rolling twelve (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate throughput each AIRS ID: 123/5660 Page 3 of 13 Depa en li eatth and Environment it Pollution Control Division month and Dolor rd • r at cal field office with site responsibility, for Division review. STATE AND FEDERAL REGULATORY REQUIREMENTS 11. The permit number and AIRS ID point number (e.g. 123/4567/890) shall be marked on the subject equipment for ease of identification. (Reference: Regulation Number 3, Part B, III.E.) (State only enforceable) 12. Visible emissions shall not exceed twenty percent(20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. Emission control devices subject to Regulation 7, Sections XII.C.1.d or XVII.B.1.c shall have no visible emissions. (Reference: Regulation No. 1, Section II.A.1. &4.) 13. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) 14. Point 005: This source is located in an ozone non-attainment or attainment-maintenance area and is subject to the Reasonably Available Control Technology (RACT) requirements of Regulation Number 3, Part B, III.D.2.a. Condensate loading to truck tanks shall be conducted by submerged fill. (Reference: Regulation 3, Part B, III.E) 15. Point 005: The owner or operator shall follow loading procedures that minimize the leakage of VOCs to the atmosphere including, but not limited to (Reference: Regulation 3, Part B, III.E): a. Hoses, couplings, and valves shall be maintained to prevent dripping, leaking, or other liquid or vapor loss during loading and unloading. b. All compartment hatches (including thief hatches) shall be closed and latched at . all times when loading operations are not active, except for periods of maintenance, gauging, or safety of personnel and equipment. c. The owner or operator shall inspect loading equipment and operations on site at the time of the inspection to ensure compliance with Condition 15 (a) and (b) above. The inspections shall occur at least monthly. Each inspection shall be documented in a log available to the Division on request. 16. Point 005: All hydrocarbon liquid loading operations, regardless of size, shall be designed, operated and maintained so as to minimize leakage of volatile organic compounds to the atmosphere to the maximum extent practicable. 17. Point 006: This source is subject to Regulation No. 7, Section XII.C General Provisions (State only enforceable). All condensate collection, storage, processing and handling operations, regardless of size, shall be designed, operated and maintained so as to minimize leakage of volatile organic compounds to the atmosphere to the maximum extent practicable. The operator shall comply with all applicable requirements of Section XII. 18. Point 006: Minor sources in designated nonattainment or attainment/maintenance areas that are otherwise not exempt pursuant to Section II.D. of Regulation No. 3, Part B, shall apply Reasonably Available Control Technology (RACT) for the pollutants for which the area is nonattainment or attainment/maintenance (Reference: Regulation No. 3, Part B, AIRS ID: 123/5660 Page 4 of 13 olor- Depa en - P •li Health and Environment •it Pollution Control Division III.D.2.a). Thi• e- • a 7 - 'C 4 - sati- '" -, by installing/implementing the following emission controls: a. Directed Inspection & Maintenance as described below shall satisfy the requirement to apply RACT. i. Auditory/visual/olfactory inspection (AVO) will be performed on a quarterly basis. ii. For each leak found in the AVO inspection, a gas detector may be used to determine the size of the leak. The gas detector shall be regularly calibrated. Component leaks greater than 10,000 ppm shall be managed in accordance with Item (vi) below, unless it is unfeasible to make the repair without shutting down the affected operation of the facility. Component leaks less than 10,000 ppm shall not require repair. For such component leaks that require a shutdown to be repaired, repair shall occur during the first shutdown of the affected operation after the leak is discovered. iii. For repair, valves adjacent to the equipment to be repaired will be closed if practicable, minimizing the volume released. iv. Repaired components shall be re-screened using AVO to determine if the leak is repaired. v. The following records shall be maintained for a period of two years: • The name of the site screened via AVO inspection and the name of the inspector. • Components evaluated with the gas detector. • Repair methods applied. • Dates of the AVO inspections, gas detector calibrations, attempted repairs, successful repairs, repair delays, and post- repair screenings. vi. Leaks shall be repaired as soon as practicable, but no later than 15 calendar days after detection, unless it is technically or operationally infeasible to make the repair within 15 calendar days. Records documenting the rationale shall be maintained if it is technically or operationally infeasible to make the repair within 15 calendar days. REQUIR EMENTS & MAINTENANCE REQUIR S 19. Upon startup of these points, the owner or operator shall 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 your O&M plan are subject to Division approval prior to implementation. (Reference: Regulation No. 3, Part B, Section III.G.7.) COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements AIRS ID: 123/5660 Page 5 of 13 olor Depa en li ealth Envime it Pollutionand Control Division nt 20. Point 006: W' h h 0) a • suance of this permit, the owner or operator shall complete the initial extended gas analysis of gas samples that are representative of volatile organic compound (VOC) that may be released as fugitive emissions. This extended gas analysis shall be used in the compliance demonstration as required in the Emission Limits and Records section of this permit. The operator shall submit the results of the gas analysis and emission calculations to the Division as part of the self-certification process to ensure compliance with emissions limits. 21. Point 006: Within one hundred and eighty days (180) after issuance of this permit, the operator shall complete a hard count of components at the source and establish the number of components that are operated in "heavy liquid service", "light liquid service", "water/oil service" and "gas service". The operator shall submit the results to the Division as part of the self-certification process to ensure compliance with emissions limits. 1. Point 007: The owner or operator shall complete an initial extended wet gas analysis and submit the results to the Division as part of the self-certification process to ensure compliance with emissions limits. (Reference: Regulation No. 3, Part B, Section III.E.) 22. Point 008: The operator shall complete an initial site specific extended gas analysis of the natural gas produced at this site in order to verify the VOC, benzene, toluene, ethylbenzene, xylenes, n-hexane, and 2,2,4-trimethylpentane content(weight fraction) of this emission stream used in the permit application. Results of testing shall be used to determine site-specific emission factors using Division approved methods. Results of site-specific sampling and analysis shall 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. Periodic Testing Requirements 23. Point 006: On an annual basis, the owner or operator shall complete an extended gas analysis of gas samples that are representative of volatile organic compounds (VOC) and hazardous air pollutants (HAP) that may be released as fugitive emissions. This extended gas analysis shall be used in the compliance demonstration as required in the Emission Limits and Records section of this permit. ALTERNATE OPERATING SCENARIOS 24. Point 007: This pump may be replaced with a like-kind pump 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 replacement pump shall be the same make, model and capacity as authorized in this permit. 25. Point 007: The owner or operator shall maintain a log on-site or at a local field office to contemporaneously record the start and stop dates of any pump replacement, the manufacturer, model number, serial number and capacity of the replacement pump. 26. Point 007: All pump replacements installed and operated per the alternate operating scenarios authorized by this permit must comply with all terms and conditions of this construction permit. AIRS ID: 123/5660 Page 6 of 13 ADDITIONAL REQolor Depa en li Health and Environment it Pollution Control Division JJ 27. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A, II.C) a. Annually by April 30th whenever a significant increase in emissions occurs as follows: For any criteria pollutant: For sources emitting 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 (NO,) 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 For sources emitting 100 tons per year or more, a change in actual emissions of five percent or 50 tons per year or more, whichever is less, above the level reported on the last APEN submitted; or For any non-criteria reportable pollutant: If the emissions increase by 50% or five (5) tons per year, whichever is less, above the level reported on the last APEN submitted to the Division. b. Whenever there is a change in the owner or operator of any facility, process, or activity; or c. Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or d. Whenever a permit limitation must be modified; or e. No later than 30 days before the existing APEN expires. f. Within 14 calendar days of commencing operation of a permanent replacement engine under the alternative operating scenario outlined in this permit as Attachment A. The APEN shall include the specific manufacturer, model and serial number and horsepower of the permanent replacement engine, the appropriate APEN filing fee and a cover letter explaining that the owner or operator is exercising an alternative-operating scenario and is installing a permanent replacement engine. 28. Federal regulatory program requirements (i.e. PSD, NANSR or Title V Operating Permit) shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition. Any relaxation that increases the potential to emit above the applicable Federal program threshold will require a full review of the source as though construction had not yet commenced on the source. The source shall not exceed the Federal program threshold until a permit is granted. (Regulation No. 3 Part D). GENERAL TERMS AND CONDITIONS 29. 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 AIRS ID: 123/5660 Page 7 of 13 to pa e li ealth and Environment it Pollution Control Division AQCC Regul . 3, 'on a re for transfer of ownership and the submittal of a revised APEN and the required fee. 30. 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 No. 3, Part B, Section III.G. Final authorization cannot be granted until the operation or activity commences and has been verified by the APCD as conforming in all respects with the conditions of the permit. Once self-certification of all points has been reviewed and approved by the Division, it will provide written documentation of such final authorization. Details for obtaining final authorization to operate are located in the Requirements to Self- Certify for Final Authorization section of this permit. 31. 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. 32. 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. 33. Each and every condition of this permit is a material part hereof and is not severable. Any challenge to or appeal of a condition hereof shall constitute a rejection of the entire permit and upon such occurrence, this permit shall be deemed denied ab initio. This permit may be revoked at any time prior to self-certification and final authorization by the Air Pollution Control Division (APCD) on grounds set forth in the Colorado Air Quality Control Act and regulations of the Air Quality Control Commission (AQCC), including failure to meet any express term or condition of the permit. If the Division denies a permit, conditions imposed upon a permit are contested by the owner or operator, or the Division revokes a permit, the owner or operator of a source may request a hearing before the AQCC for review of the Division's action. 34. 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. 35. 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: David Thompson Permit Engineer AIRS ID: 123/5660 Page 8 of 13 Ill olor. A Depa en . P A.Ii it PollutionHealth Controland DivisionEnvironment Permit History Issuance Date Description Issuance 1 This Issuance Issued to Bonanza Creek Energy Operating Company LLC AIRS ID: 123/5660 Page 9 of 13 epa en li ealth and Environment it Pollution Control Division Notes to Permit HolderDolor a , 1) The permit holder is required to pay fees for the processing time for this permit. An invoice for these fees will be issued after the permit is issued. The permit holder shall pay the invoice within 30 days of receipt of the invoice. Failure to pay the invoice will result in revocation of this permit (Reference: I Regulation No. 3, Part A, Section VI.B.) 2) The production or raw material processing limits and emission limits contained in this permit are based on the consumption rates requested in the permit application. These limits may be revised upon request of the owner or operator providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice(APEN) and complete application form must be submitted with a request for a permit revision. 3) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The owner or operator shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part II.E.1 of the Common Provisions Regulation. See: http://www.colorado.00v/cs/Satellite?c=Document C&childoaoename=CDPHE- Main%2FDocument C°/02FCBONAddLinkView&cid=1251599389641&pagename=CBONWracoer 4) The following emissions of non-criteria reportable air pollutants are estimated based upon the process limits as indicated in this permit. This information is listed to inform the operator of the Division's analysis of the specific compounds emitted if the source(s)operate at the permitted limitations. Uncontrolled • Emission Are the Controlled AIRS Rate emissions Emission Rate Point Pollutant CAS# (Ib/yr) reportable? (Ib/yr) 005 Benzene 71432 1238.1 Yes 1238.1 005 n-Hexane 110543 8005.9 Yes 8005.9 005 Toluene 108883 3563.6 Yes 3563.6 005 Xylenes 1330207 4433.7 Yes 4433.7 006 Benzene 71432 102.8 No 102.8 006 n-Hexane 110543 654.8 Yes 654.8 006 Toluene 108883 264.2 Yes 264.2 006 Ethylbenzene 100414 32.2 No 32.2 006 Xylenes 1330207 311.8 Yes 311.8 007 Benzene 71432 376 Yes 18.8 007 n-Hexane 110543 2477.6 Yes 123.9 007 Toluene 108883 373 Yes 18.7 007 Ethylbenzene 100414 27.1 No 1.4 007 Xylenes 1330207 162.5 No 8.1 008 Benzene 71432 79.7 No 4 008 n-Hexane 110543 458.5 Yes 22.9 AIRS ID: 123/5660 Page 10 of 13 olor Depa en li Health and Environment it Pollution Control Division 008 Tol 8 2.8 008 Ethylbenzene 100414 3.8 No 0.2 008 Xylenes 1330207 17 No 0.9 5) The emission levels contained in this permit are based on the following emission factors: Point 005: Emission Factors- Uncontrolled Pollutant lb/BBL loaded Source VOC 0.1645 AP-42 Benzene 0.0148 AP-42 n-Hexane 0.0954 AP-42 Toluene 0.0425 AP-42 Xylenes 0.0528 AP-42 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) =4.6 psia . M (vapor molecular weight) =41 Ib/Ib-mol T(temperature of liquid loaded) = 531 °R The uncontrolled non-criteria reportable air pollutant (NCRP) emission factors were calculated by multiplying the mass fraction of each NCRP in the vapors (or wherever the mass fractions came from) by the VOC emission factor. Point 006: Component Gas Heavy Oil Light Oil Water/Oil Connectors 1172 0 230 199 Flanges 118 0 266 128 Open-ended Lines 48 0 18 8 Pump Seals 0 0 0 0 Valves 186 0 79 44 Other 41 0 0 6 VOC Content(wt. 0.2576 0.3 0.989 1 fraction) Benzene Content(wt. 0.0005 0.001 0.0147 0.0012 I fraction) . Toluene Content(wt. 0.0006 0.001 0.0424 0.0003 fraction) Ethylbenzene (wt. 0.0001 0.001 0.005 0.0001 fraction) Xylenes Content(wt. 0.0002 0.02 0.0528 0.0001 fraction) n-hexane Content(wt. 0.0034 0.001 0.0953 0.0001 fraction) AIRS ID: 123/5660 Page 11 of 13 olo epa a li ealth and Environment it Pollution Control Division `Other equipment d lief v relief valves, diaphragms, drains, dump arms, hatches, instrument meters, polish rods and vents TOC Emission Factors(kg/hr-component): Component Gas Service Heavy Oil Light Oil Weser/Oil Service Connectors 2.0E-04 7.5E-06 2.1E-04 1.1E-04 Flanges 3.9E-04 3.9E-07 1.1E-04 2.9E-06 Open-ended Lines 2.0E-03 1.4E-04 1.4E-03 2.5E-04 Pump Seals 2.4E-03 NA 1.3E-02 2.4E-05 Valves 4.5E-03 8.4E-06 2.5E-03 9.8E-05 Other 8.8E-03 3.2E-05 7.5E-03 - 1.4E-02 Source: EPA-453/R-95-017 Table 2-4 Compliance with emissions limits in this permit will be demonstrated by using the TOC emission factors listed in the table above with representative component counts, multiplied by the VOC content from the most recent gas analysis. Point 007: Emission Emission Factors- Factors- Uncontrolled Controlled Pollutant lb/MMscf vented IbIMMscf vented Source NOx 0.068 0.068 AP-42 (lb/MMBTU) CO 0.37 0.37 AP-42 (lb/MMBTU) VOC 16222.27 811.1135 Gas Analysis Benzene 32.52 1.626 Gas Analysis n-Hexane 214.27 10.7135 Gas Analysis Toluene 32.26 1.613 Gas Analysis Xylenes 14.05 0.7025 Gas Analysis Point 008: Weight Emission Emission Pollutant Fraction of Factors Factors Source Gas(%) Uncontrolled Controlled IbIMMscf lb/MMscf NOx(lb/MMBTU) _ 0.068 0.068 AP-42 CO(Ib/MMBTU) — 0.37 0.37 AP-42 VOC 46.18 17783.5 889.175 Gas Analysis Benzene 0.10 29.5 1.475 Gas Analysis Toluene 0.08 20.5 1.025 Gas Analysis Ethylbenzene 0.01 1.4 0.07 Gas Analysis Xylenes 0.03 6.3 0.315 Gas Analysis AIRS ID: 123/5660 Page 12 of 13 olor- Depa en . P •Ii it PollutionHealth ControlandEnvironment Division t 'on Pollutant Fraction of Factors Factors Source Gas(%) Uncontrolled Controlled lb/MMscf lb/MMscf n-hexane 0.63 169.8 8.49 Gas Analysis 6) In accordance with C.R.S. 25-7-114.1, each Air Pollutant Emission Notice(APEN) associated with this permit is valid for a term of five years from the date it was received by the Division.A revised APEN shall be submitted no later than 30 days before the five-year term expires. Please refer to the most recent annual fee invoice to determine the APEN expiration date for each emissions point associated with this permit. For any questions regarding a specific expiration date call the Division at (303)-692-3150. 7) This facility is classified as follows: Applicable Status Requirement Operating Permit Synthetic Minor Source of: VOC and Haps PSD or NANSR Synthetic Minor Source of: VOC and Haps MACT HH Major Source Requirements: Not Applicable Area Source Requirements: Not Applicable 8) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://ecfr.o poaccess.00v/ Part 60: Standards of Performance for New Stationary Sources NSPS 60.1-End Subpart A—Subpart KKKK NSPS Part 60,Appendixes Appendix A—Appendix I Part 63: National Emission Standards for Hazardous Air Pollutants for Source Categories MACT 63.1-63.599 Subpart A—Subpart Z MACT 63.600-63.1199 Subpart AA—Subpart DDD MACT 63.1200-63.1439 Subpart EEE—Subpart PPP MACT 63.1440-63.6175 Subpart QQQ—Subpart YYYY MACT 63.6580-63.8830 Subpart ZZZZ—Subpart MMMMM MACT 63.8980-End Subpart NNNNN—Subpart XXX(XX 9) An Oil and Gas Industry Construction Permit Self-Certification Form is included with this permit packet. Please use this form to complete the self-certification requirements as specified in the permit conditions. Further guidance on self-certification can be found on our website at: www.colorado.qov/cdphe/oilqasperrnits AIRS ID: 123/5660 Page 13 of 13 Division Information Engineer: David Thompson Control Engineer: Chris Laplante Review Date: 01/01/1900 Application Date: 02/14/2014 Facility Identifiers Permit No. 13WE2521 AIRS County# 123 Weld Facility# 5660 Facility Type: exploration and production facility CI Located in the 8-hour non-attainment area? O True Minor Synthetic Minor for: r VOC r NOx f- Co Administrative Information Company Name: Bonanza Creek Energy Operating Company LLC Source Name: Wetco Farms A-4 Production Facility Source Location: NWNW, Sec 4, T4N, R63W SIC: 1311 Mailing Address 1: Bonanza Creek Energy Operating Company LLC Address Address 2: 410 17th St,Suite 1500 /,State Zip: Denver, CO 80202 Name: Peg Young Person To Phone: 720-440-6133 Contact Fax: 720-279-2331 Email: pvoung@bonanzaCrk.com 'Requested Action Self Certification Required? Yes Issuance Number: 1 Source Description: Oil and gas exploration and production facility known as the Wetco Farms A-4 Production Facility, located in the NWNW, Sec 4,T4N, R63W,Weld County, Colorado. Point Name Type Control Action Truck Newly 005 Loadout Loadout None reported source newly 006 FUG Fugitives None reported source Newly 007 Pump 1 Pump Flare reported source HLPSEP-1 Newly 008 and Separator Venting Flare reported LPSEP-3 source 005 Truck Condensate Loadout Calculations L= 12.46*S*P*M/T(AP-42:Chapter 5.2, Equation 1) L= loading losses in lb per 1000 gallons loaded Factor Meaning Value Units Source 5 Saturation Factor 0.6 AP-42 P True Vapor Pressure 5.96 psia Sales Oil Analysis M Molecular Weight of Var 45 lb/lb-mole AP-42 T Liquid Temperature 512 deg. R Field Data L 3.92 lb/10^3 gal 1.64E-01 lb/bbl Annual requested Throughput 83950 BBL/yr 3525900 gal/yr Annual requested V0C emissions 13808 lb/yr 6.90 tpy Control: None Efficiency: 0.00% NCRPs Component Mass Fraction Benzene 0.0018 n-hexane 0.0153 Toluene 0.0153 Xylenes 0.0153 Source: Pressurized oil analysis Emissions Summary Table Pollutant Emission Factor Uncontrolled Emissions Controlled Emissions Source V0C 0.1645,lb/bbl 6.90 tpy 6.90 tpy AP-42 Benzene 0.0147 lb/bbl 1238.09 lb/yr 1238.09 lb/yr AP-42 n-Hexane 0.0954 lb/bbl 8005.89 lb/yr 8005.89 lb/yr AP-42 Toluene 0.0424 lb/bbl 3563.59 lb/yr 3563.59 lb/yr AP-42 Xylenes 0.0528 lb/bbl 4433.74 lb/yr 4433.74 lb/yr AP-42 Regulatory Review B rN !Regulation 7-Volatile Organic Compounds This facility is not considered a bulk plant(in Reg. 7)because it does not distribute gasoline. 006 myths ewwat Saks Regulation 76lamatlon OperMM91ota: 8760 hour year Emission Factor Sauce EPAd6Nt-96017 Tahiti 2-4 Card EMar%y Sauce: None CalaMaperu EMISSION FOSS(biller- Embalms Banta Component Type Cave mate) Control MY PONY* Naas Frv4Yn 848420 Tab 2-4 Tape H Reg 3 Ceatm3aa 1172 2.00E-0E 190E-05 0.0% VOC 03578 3.9075818 Rings' 118 390E-0E 5.70E-06 0.0% Butane 0.0005 0.0075846 Open-Ended Lines 48 2.00E-03 150E-05 0.0% Tdna ua 0.0006 0.0091016 Gas Pump Sans 0 2.40E-03 3.50E-0E 0.0% E0lylyeeane 0.0001 0.0015169 Valves 186 190E-03 290E-05 0.0% X84na 0.0002 0.0030338 Other 41 830E-03 1.20E-0E 0.0% Miasma 0.003E 0.0615752 Connectors 750E-06 790E-06 0.0% VOC 0.3 Flege@ 390E-0l 3.90E-07 0.0% BMMY* 0.001 Heavy 01 OparE06Means 0 Linea 1.40E-04 7.20E-06 0.0% 0.001 Pump Semis 090E+00 090E+00 0.0% Etlytwwn 0.001 Valves 8.10E-06 8.10E-06 0.0% XNers 0.02 Other 3.20E+0 3.20E-05 0.0% nheane 0.001 COMMOMIS 230 2.10E-0E 150E-06 0.0% VOC 0.989 2861470 Flanges 266 1.10E-00 240E-06 0.0% Baran 0.0147 0.0425316 LightOpen-Ended Lines 18 1.40E-03 1.40E-05 0.0% Toluene0.0424 0.1225751 Oil Pump Bela 0 1.30E-02 5.10E-04 0.0% EMytasaN 0.005 0.0144865 Valves 70 250E-03 190E-05 0.0% Manes 0.0528 0.1527605 Other 0 750E-03 1.10E-00 0.0% nlllerane 0.0953 0.275732 Camas 199 1.10E-01 1.00E-05 0.0% VOC 1 ad 1.044766E Flanges 12B 2.90E-06 290E-06 0.0% Beam 0.0012 0.0013017 aatelW Open-Ended Liles 0 250E-0E 350E-06 09% Toluene 0.0003 0.0003254 Pump Set 0 2.10E-05 2.40E-05 0.0% Eltrytemene 0.0001 0.0001005 Vitas 44 9.80505 9.71E-06 0.0% %Nance 0.0001 0.0001065 Other 6 1.10E-02 5.90E-05 0.0% nllelaI 0.0001 0.0001065 EmYaona 8unwry Table Pollutant UncoMmkd Emissions Controlled Emissions Source VOC 7.85 toy 7.06 by EPA-IEYR-96017 Table 2-4 Benzene 102.84 r 102.84 444 EPM53Table-96017 Table 2.4 en Tolue 26421CyYyr 264.31 WV EPM6yR- 17 Tat 2-4 EtlMpe¢ale 32.18 Cyr 3218 Cyr EPM6,LR 17 Tape 2.4 %None 311.82 CM 311.82 Mr EPA461/R-96.017 labia 2-4 n-hean 854.83 bee 864.83 Mr EPA1N696-017 Taw 2-4 --V Reg.3 if source u in mentor sat: Operator has agreed on pit OIWYns standard conditions for RACT. If source is in mailmen': Slice 980505451 attainment.RACT is M requited. 007 One(1)Sandpiper G20 pneumatic pump used for water transfer Pump Information Manufactur Sandpiper Model Number: G20 Serial Pump Number: 2004235 Information Pump capacity 25.2 gallons per minute pumped natural gas 1320 scf/hour used consumptio Control Flare 95.00% Efficiency Calculations EPA Emission Inventory Improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3) Ex=Q*MW*Xx/C Ex=emissions of pollutant x 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 Q 1320 scf/hr MW 23.9 lb/lb-mol Hours of Op. 8760 hours/yr Requested Throughput 11.5632 MMscf/yr Component mole% MW mass fraction Component lb/hr lb/yr tpy CO2 0.0223 44 0.0411 CO2 3.417 29936.179 14.968 nitrogen 0.0042 28 0.0049 nitrogen 0.410 3587.948 1.794 methane 0.7089555 16.04 0.4758 methane 39.606 346951.120 173.476 ethane 0.149393 30.07 0.1880 ethane 15.646 137057.405 68.529 propane 0.074662 44.09 0.1377 propane 11.465 100433.488 50.217 isobutane 0.00791 58.12 0.0192 isobutane 1.601 14026.229 7.013 n-butane 0.020065 58.12 0.0488 n-butane 4.062 35579.808 17.790 isopentane 0.0035 72.15 0.0106 isopentane 0.880 7704.478 3.852 n-pentane 0.004085 72.15 0.0123 n-pentane 1.027 8992.226 4.496 cyclopentane 0.000242 70.15 0.0007 cyclopentane 0.059 517.943 0.259 n-hexane 0.0034 86.18 0.0123 n-hexane 1.021 8939.727 4.470 cyclohexane 0.000249 84.18 0.0009 cyclohexane 0.073 639.510 0.320 Other hexanes 0.001467 86.18 0.0053 Other hexanes 0.440 3857.229 1.929 heptanes 0.000747 100.21 0.0031 heptanes 0.261 2283.865 1.142 methylcyclohexa 0.000236 98.19 0.0010 methylcyclohe 0.081 706.998 0.353 224-TMP 0.000001 114.22 0.0000 224-TMP 0.000 3.485 0.002 Benzene O0005 78.11 0.0016 Benzene 0.136 1191.559 0.596 - Toluene 0.0005 92.14 0.0019 Toluene 0.160 1405.585 0.703 Ethylbenzene O000008 106.17 0.0000 Ethylbenzene 0.003 25.914 0.013 Xylenes 0.0002 106.17 0.0009 Xylenes 0.074 647.844 0.324 C8+Heavies 0.000434 1864.99094 0.0339 C8+Heavies 2.819 24694.787 12.347 Mass Fraction VOC: 0.2903 Total VOC 93.790 1.0030645 Heating Value I 1000 BTU/scf Combustion emission factor source: AP-42:Chapter 13.5 0.07 lb NOX/MMBtu 0.37 lb CO/MMBtu Las Male%,MW,and mass fractions from: Buffalo Ditch 1-3211 facility gas analysis,dated 2112008 Emissions Summary Table Pollutant Uncontrolled Emission Fac Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 16222.27 Ib/MMscf 811.11 Ib/MMscf 93.79 tpy 4.69 tpy Gas Analysis Nox 0.07 lb/MMBTU 0.07 Ib/MMBTU 0.39 tpy 0.39 tpy AP-42 CO 0.37 Ib/MMBTU 0.37 lb/MMBTU 2.14 tpy 2.14 tpy AP-42 Benzene 32.52 lb/MMscf 1.63 lb/MMscf 376.04 lb/yr 18.80 lb/yr Gas Analysis n-Hexane 214.27 Ib/MMscf 10.71 lb/MMscf 2477.65 lb/yr 123.88 lb/yr Gas Analysis Toluene 32.26 lb/MMscf 1.61 lb/MMscf 373.03 lb/yr 18.65 Ib/yr Gas Analysis Xylenes 14.05 lb/MMscf 0.70 Ib/MMscf 162.46 lb/yr 8.12 lb/yr Gas Analysis Ethylbenzene 2.34 Ib/MMscf 0.12 lb/MMscf 27.06 lb/yr 1.35 lb/yr Gas Analysis 008 Two Separators controlled by separate enclosed flares.Flare has a minimum combustion efficiency of 95%. Equipment Description This source vents natural gas from: a well head separator Emissions from this source are: routed to a flare Natural gas venting from a well head separator.Emissions from this source are routed to a flare. Calculations Emission Calculation Method EPA Emission Inventory Improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3) Ex=Q*MW*Xx/C Ex=emissions of pollutant x 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 Throughput(Q) 2.7 MMscf/yr 308.2191781 scf/hr MW 23.9 lb/lb-mot 0.00739726 MMscf/d mole% MW Ibxnbmol mass fraction Ib/M lb/yr WY Helium o 4.0026 0.000 0.000 0.00 0.00 0.00 CO2 0.0223 44.01 0.010 0.000 0.01 69.92 0.03 N2 00042 28.013 0.001 0.000 0.00 8.38 0.00 methane 07089855 16.041 0.114 0.005 0.09 810.18 0.41 ethane 0.149393 30.063 0.045 0.002 0.04 319.95 0.16 propane 0.074682 44.092 0.033 0.001 0.03 234.52 0.12 isobutane 0.00791 58.118 0.005 0.000 0.00 32.75 0.02 n-butane 0.020065 58.118 0.012 0.000 0.01 83.08 0.04 isopentane 0.0035 72.114 0.003 0.000 0.00 17.98 0.01 n-pentane 0.004085 72.114 0.003 0.000 0.00 20.99 0.01 cydopentane 0.000242 70.13 0.000 0.000 0.00 1.21 0.00 n-Hexane 0.0034 86.18 0.003 0.000 0.00 20.87 0.01 cydohexane 0.000249 84.16 0.000 0.000 0.00 1.49 0.00 Otherhexanes 0.001467 86.18 0.001 0.000 0.00 9.01 0.00 heptanes 0.000747 100.21 0.001 0.000 0.00 5.33 0.00 medtvlcyclohexane 0.000236 98.19 0.000 0.000 0.00 1.65 0.00 224-TMP 0.000001 114.23 0.000 0.000 0.00 0.01 0.00 Benzene 0.0005 78.12 0.000 0.000 0.00 2.78 0.00 Toluene 00005 92.15 0.000 0.000 0.00 3.28 0.00 Ethylbenzene 0.000008 106.17 0.000 0.000 0.00 0.06 0.00 Xylenes 0.0002 106.17 0.000 0.000 0.00 1.51 0.00 C8+Heavies 0000434 137.4837288 0.001 0.000 0.00 4.25 0.00 VOC mass had 0.003 Total VOC(Uncontrolled) 0.22 Notes Mole%,MW,and mass fractions from Critter Creek 2-03H gas analysis. Emissions are based on 8780 hours of operation per year. I calculated the average MW of C8+based on the average MW on the analysis for the gas. Flaring Information Equipment Description Flare to combust produced ass until pi line is available at this wellhead facility. Manufacturer Tornado Model 40'Flare Stack Serial Number 12345878 Gas Heating Value 1549 Btu/sd Throughput 4182.3 MMBWIyr VRU Information Equipment Description Engine to recompress gas to sales line Make Model Requested Control 100.00% Annual Bypass Ti 50.00% Backup Flare Overall Control 95.00% Combustion emission factor source: AP-42:Chapter 13.5 0.07 jib NOX/MMEttu 0.37 I lb COiTAMBtu Emissions Summery Table Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source V0C 17783.50 lh/MMscf 889.18 b/MMsd 24.01 tpy 1.20 tpy Gas Analysis Nos 0.07 Ib/MMBTU 0.07 lb/MMBTU 0.14 tpy 0.14 tpy AP-42 CO 0.37 Ib/MMBTU 0.37 b/MMBTU 0.77 tpy 0.77 tpy AP-42 Benzene 29.50 lb/MMscf 148 b/MMsd 79.65 lb/yr 3.98 lb/yr Gas Analysis n-Hexane 189.80 b/MMsd 8.49 b/MMsd 458.46 lb/yr 22.92 lb/yr Gas Analysis Toluene 20.50 b/MMsd 1.03 lb/MMscf 55.35 lb/yr . 2.77 lb/yr Gas Analysis Xylenes 6.30 lb/MMsd 0.32 lb/MMscf 17.01 lb/yr 0.85 lb/yr Gas Analysis Ethylbenzene 1.40 lb/MMsd 0.07 Ib/MMsd 3.78 lb/yr 0.19 lb/yr Gas Analysis Regulatory Applicability AQCC Regulation 1 This source is subject to the opacity requirements for flares in Section IlA5:'No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is In excess of 30%opacity.' AQCC Regulation 7 Section LA applies to all emission sources."No person,wherever located,shall cause or allow the emission of odorous air contaminants from any single source such as to result in detectable odors which are measured in excess of the following limes: For areas used predominantly for residential or commercial purposes it is a violation W odors are detected after the odorous air has been diluted with seven(7)or more volumes of odor free at" 0 o co co a u 2 x C 2 W C O 0 O .r 0 a d aymI 2 LI W 700 m -10 NO N z J O 0 CC C 5 f m m o02 29 r n 2 O LLo > Q O c z m ›. . m m o r t c U ° m H x O ~ ; O. 01- 2 "tr. m mzo O - 0x 0 0 D U N Z Z O 0 W i. 2J - 121 00 Z 2 o a ce m q 0•q L.' L m m O O C W 8 a< J K x m oi m N N 9 W 0 NO om o w U o U O J W z 2.j. 20 0 8 m r N m m m NN U > J W Q > f c O. x dd 00 a 0 E 8g 5v c c E c m e a m 0 T. P4zm - Y� $aZ Wig c y C G € Y3 c mu.Nc m 0 3 0 a 50 1 ≥ yl 2 " V 4 En 3i3 0 0 $u..0.0 (7,7,-,T.,;(7, 0 N V .4 N m C �Nu NN NN W 41 m 0. C)C)()3 m o to 1- 2 2 'norm 0000 a 0000 r =:;=2=2=:2: lq q . qqo.- 000000 I I (_§;:_:_:___ \010_0;=::::2 § /7§;0020;;; $ 2kkt000000r »- - ! ,-. § § % % § ® &cu ® o |co- °Ii 2 , So,- _ § 2§§� ! f • . °N : ! ; 00 0 I ,� | 72;= _ \ \/E; ; , ) . !®'- _ , ■§■e § e C $ q | o !! !! ,V. o , §) • §k c - - , G : ! l( ! ! | • 7 | as \ | E P• 0 , ` k |||| |7!} ) lid | o T wm | c\kk E I ,WWW ,,-NNNN , _.� § k §§!§ / | §■■■ AIRS (County/Plant) 123/5660 Permit No. 13WE2521 Date 1/1/1900 Uncontrolled Emission Point# SCC Pollutant or CAS Factor 005 40600132 VOC 3.916 lb/1000 ga 005 40600132 Benzene 0.351 lb/1000 ga 005 40600132 n-Hexane 2.271 lb/1000 ga 005 40600132 Toluene 1.011 lb/1000 ga 005 40600132 Xylenes 1.258 lb/1000 ga 006 31000220 VOC 006 31000220 Benzene 006 31000220 n-Hexane 006 31000220 Toluene 006 31000220 Ethylbenzene 006 31000220 Xylenes 007 31000299 VOC 16222.27 lb/MMscf 007 31000299 NOx 0.068 Ib/MMBTU 007 31000299 CO 0.37 Ib/MMBTU 007 31000299 Benzene 32.52 lb/MMscf 007 31000299 n-Hexane 214.27 Ib/MMscf 007 31000299 Toluene 32.26 lb/MMscf 007 31000299 Ethylbenzene 2.34 lb/MMscf 007 31000299 Xylenes 14.05 lb/MMscf 008 31000205 VOC 17783.5 lb/MMscf 008 31000205 NOx 0.068 Ib/MMBTU 008 31000205 CO 0.37 Ib/MMBTU 008 31000205 Benzene 29.5 Ib/MMscf 008 31000205 n-Hexane 169.8 Ib/MMscf 008 31000205 Toluene 20.5 Ib/MMscf 008 31000205 Ethylbenzene 1.4 lb/MMscf 008 31000205 Xylenes 6.3 lb/MMscf Controlled Controlled Actual Requested NCRP= Emissions Emissions Ctrl. reportable Emisison Factor Source (tpy)* (tpy)' PTE(tpy)* Eff% ? AP-42 6.9 6.9 0% Yes AP-42 1238.1 1238.1 0% Yes AP-42 8005.9 8005.9 0% Yes AP-42 3563.6 3563.6 0% Yes AP-42 4433.7 4433.7 0% Yes EPA-453/R-95-017 Table 2-4 7.9 7.9 0% Yes EPA-453/R-95-017 Table 2-4 102.8 102.8 0% No EPA-453/R-95-017 Table 2-4 654.8 654.8 0% Yes EPA-453/R-95-017 Table 2-4 264.2 264.2 0% Yes EPA-453/R-95-017 Table 2-4 32.2 32.2 0% No EPA-453/R-95-017 Table 2-4 311.8 311.8 0% Yes Gas Analysis 4.7 93.8 95% Yes AP-42 0.4 0.4 0% No AP-42 2.1 2.1 0% Yes Gas Analysis 18.8 376 95% Yes Gas Analysis 123.9 2477.6 95% Yes Gas Analysis 18.7 373 95% Yes Gas Analysis 1.4 27.1 95% No Gas Analysis 8.1 162.5 95% No Gas Analysis 1.2 24 95% Yes AP-42 0.1 0.1 0% No AP-42 0.8 0.8 0% No Gas Analysis 4 79.7 95% No Gas Analysis 22.9 458.5 95% Yes Gas Analysis 2.8 55.4 95% No Gas Analysis 0.2 3.8 95% No Gas Analysis 0.9 17 95% No , C a. 13 30 3 3 3 a __ p V 1 d 0. — I c c s o o, vi . c t L_ Y L' / \ an vi r. `� �J I 9 _ C C C G 0 W tan y. *, n N N N r. a E o I 2 O. a a i Q ""YY e u '> > 7 a ^ ^ _ _ . .. 0 1 It Cl CI o odz a - i i E Z Z Z Z Z s, o'Ts Doe _ v� N• Z n •.^ \ I y O q a j 3: E ° y = IS Z Z ❑ Z 6 - N = m y G p 0 n�. 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