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Home My WebLink About20152010.tiff CDPHE COLORADO irN Co .� ,= Department of Public Health 8 Environment Dedicated to protecting and improving the health and environment of the people of Colorado Weld County - Clerk to the Board 1150 0 St RECEIVED PO Box 758 Greeley, CO 80632 JUL „) July 1, 2015 WELD COUNTY COMMISSIONERS Dear Sir or Madam: On July 8, 2015, the Air Pollution Control Division will begin a 30-day public notice period for Bill Barrett Corporation - 18763_Anschutz State 5-61-19_20. A copy of this public notice and the public comment packet are enclosed. Thank you for assisting the Division by posting a copy of this public comment packet in your office. Public copies of these documents are required by Colorado Air Quality Control Commission regulations. The packet must be available for public inspection for a period of thirty (30) days from the beginning of the public notice period. Please send any comment regarding this public notice to the address below. Colorado Dept. of Public Health Et Environment APCD-SS-B1 4300 Cherry Creek Drive South Denver, Colorado 80246-1530 Attention: Clara Gonzales Regards, Gal Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure R.Abldk G l 2015-2010 "1--13-.2OI CL 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe '`o John W. Hickenlooper, Governor Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer *,, . ; *'1576,` i CDPHE Air Pollution Control Division ' Notice of a Proposed Project or Activity Warranting Public co ,„` Comment Website Title: Bill Barrett Corporation - 18763_Anschutz State 5-61-19_20 - Weld County Notice Period Begins: 8, 2015 g July 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: Bill Barrett Corporation Facility: 18763_Anschutz State 5-61-19_20 Oil and Gas Exploration and Production Facility SWSW Sec. 19, T5N, R61W Weld County The proposed project or activity is as follows: Applicant proposes to operate a new OEtG production facility that will vent natural gas from heated gas/liquid separators and Vapor Recovery Towers (VRT) while gas is unable to be captured by Vapor Recovery Units (VRU). Applicant also proposes to conduct hydrocarbon liquid loading operations. 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 15WE0371 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: Bradley Eades Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us ears COLOR AOO 1 s N STATE OF COLORADO LORAD• DEPN T F PUBLC HEALTH AND ENVIRONMENT �w _ o� AIR POLLUTION CONTROL DIVISION y4 'a TELEPHONE: (303)692-3150 * `* 1876 CONSTRUCTION PERMIT PERMIT NO: 1 5WE0371 Issuance 1 DATE ISSUED: ISSUED TO: Bill Barrett Corporation THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas exploration and production facility known as the 18763_Anschutz State 5- 61-19_20 SWSW Pad, located in the SWSW Sec 19 T5N R61W, Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID (2) Heated separators and (3) Vapor Recovery Towers (VRTs) to VRU reduce flash emissions. Emissions are a function of liquid Bypass 005 throughput during VRU bypass (24% VRU bypass assumed). Emissions are controlled by enclosed combustors during VRU bypass. Condensate 006 Hydrocarbon liquid loadout to Tanker Trucks. Emissions from the Loadout loadout are not controlled. 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. 2. 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 AIRS ID: 123/9CF9 Page 1 of 10 olor Depa en P. •Ii Health and Environment •it Pollution Control Division demonstrate . . . ce $.. i ,'.; ' da esult `.evocation 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. Point 005: 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 VRU Bypass 005 1.6 45.3 8.3 Point Condensate 006 24.7 - Point Loadout 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) AIRS ID: 123/9CF9 Page 2 of 10 olor " Depa nen118f P li Health and Environment M^. it Pollution Control Division from each em it, . ,r R el nth t 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 g twelve-month total shall apply to all permitted emission units, requiring an APEN, at this facility. 8. 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 AIRS Equipment Point Control Device Pollutants Controlled ID VRU 005 Four(4) Enclosed Combustors VOC, HAPs Bypass PROCESS LIMITATIONS AND RECORDS 9. 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 VRU Bypass 005 Hydrocarbon liquid throughput to separators 74,844 BBL/yr and VRTs while VRUs are being bypassed Condensate 006 Hydrocarbon liquid loaded 311,850 BBL/yr Loadout The owner or operator shall monitor monthly process rates based on the calendar month. 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 monitor and record throughput each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. STATE AND FEDERAL REGULATORY REQUIREMENTS 10. Point 005: 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) 11. Point 005 & 006: This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) 12. Point 005: The enclosed combustion device covered by this permit is subject to Regulation No. 7, Section XVII.B General Provisions (State only enforceable). All air pollution control equipment shall be operated and maintained pursuant to the AIRS ID: 123/9CF9 Page 3 of 10 • III , olor. Depa " en . P .Ii "'Health and Environment Ili *it Pollution Control Division manufacturin. .' - atie,:, ,-r A . en ent e ' able, and consistent with technological limitations and good engineering and maintenance practices. The owner or operator shall keep manufacturer specifications or equivalent on file. In addition, all such air pollution control equipment shall be adequately designed and sized to achieve the control efficiency rates and to handle reasonably foreseeable fluctuations in emissions of VOCs and other hydrocarbons during normal operations. Fluctuations in emissions that occur when the separator dumps into the tank are reasonably foreseeable. 13. Point 005: If a combustion device is used to control emissions of volatile organic compounds to comply with Section XVII, it shall be enclosed, have no visible emissions during normal operations, and be designed so that an observer can, by means of visual observation from the outside of the enclosed flare or combustion device, or by other convenient means approved by the Division, determine whether it is operating properly. The operator shall comply with all applicable requirements of Section XVII. 14. Point 005: Per Regulation no. 7, Section XVII.B.2.d, all combustion devices used to control emissions of hydrocarbons must be equipped with and operate an auto-igniter. 15. Point 005: The separator(s) and VRT(s) covered by this permit are subject to Regulation 7, Section XVII.G. (State Only). On or after August 1, 2014, gas coming off a separator, produced during normal operation from any newly constructed, hydraulically fractured, or recompleted oil and gas well, must either be routed to a gas gathering line or controlled from the date of first production by air pollution control equipment that achieves an average hydrocarbon control efficiency of 95%. If a combustion device is used, it must have a design destruction efficiency of at least 98% for hydrocarbons. 16. Point 006: 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. (Reference: Regulation No. 1, Section II.A.1. & 5.) 17. Point 006: 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. Hydrocarbon liquid loading to truck tanks shall be conducted by submerged fill. (Reference: Regulation 3, Part B, III.E) 18. Point 006: 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 this permit condition. The inspections shall occur at least monthly. Each inspection shall be documented in a log available to the Division on request. AIRS ID: 123/9CF9 Page 4 of 10 4 color Depar ,nent of P .lic=Health and Environment it Pollution Control Division 4 V- 19. Point 006: car R lkjuiciAloadikinoparations, rdless 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. OPERATING & MAINTENANCE REQUIREMENTS 20. Point 005: 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.) 21. Point 005: Within 180 days after issuance of this permit, the owner or operator shall continuously monitor and record VRU downtime while emissions are routed to the Enclosed Control Devices using a SCADA (supervisory control and data acquisition) system. The owner or operator shall use monthly VRU downtime records, monthly hydrocarbon liquid throughput records and calculation methods detailed in the O&M Plan to demonstrate compliance with the process and emissions limits specified in this permit. After issuance of this permit and prior to startup of the SCADA monitoring system, the operator shall monitor and record VRU downtime manually through site visits a minimum of once per week until the SCADA monitoring system is continuously monitoring and recording VRU downtime, at which point the manual checks for VRU downtime are no longer required. If the VRU is observed to not be operating during a site visit, the operator must record downtime hours as the number of hours elapsed since the last time the VRU was observed to be operating. COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 22. Point 005: The owner or operator shall demonstrate compliance with opacity standards, using EPA Method 22 to determine the presence or absence of visible emissions. "Visible Emissions" means observations of smoke for any period or periods of duration greater than or equal to one (1) minute in any fifteen (15) minute period during normal operation. (Reference No. 7 Section XVII.All) ADDITIONAL REQUIREMENTS 23. 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 (NOX) in ozone nonattainment areas emitting less than 100 tons of VOC or NO, per year, a change in annual actual emissions of one (1) ton per year or more or five percent, whichever is greater, above the level reported on the last APEN; or AIRS ID: 123/9CF9 Page 5 of 10 .. II olor.w aDepa o en . - .li Health and Environment 'it Pollution Control Division For so. ,.B ittt- i .0I .- pe • mor- - ange 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. 24. 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 25. 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. 26. 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. 27. 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. 28. 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. AIRS ID: 123/9CF9 Page 6 of 10 olor Depar f P li&Health and Environment it Pollution Control Division 29. Each and ev `- io hi .it i ial pa eof 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. 30. 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. 31. 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: Bradley Eades Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to Bill Barrett Corporation AIRS ID: 123/9CF9 Page 7 of 10 olor Depa . en : ' •li Health and Environment •it Pollution Control Division Notes to Permit Holder me o '" a -X 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&childpaqename=CDPHE- Main%2FDocument C%2FCBONAddLinkView&cid=1251599389641&pagename=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 9988 Yes 499 n-Hexane 110543 65158 Yes 3258 Toluene 108883 8211 Yes 411 005 Ethylbenzene 100414 1326 Yes 66 Xylenes 1330207 2676 Yes 134 224- 540841 9107 Yes 455 Trimethylpentane Benzene 71432 401 Yes n-Hexane 110543 2533 Yes 006 Toluene 108883 938 Yes Xylenes 1330207 976 Yes --- 5) The emission levels contained in this permit are based on the following emission factors: Point 005: Emission Factors Pollutant (lb/MMbtu) Source NOx 0.068 AP-42, Table 13.5-1 CO 0.37 AP-42, Table 13.5-1 AIRS ID: 123/9CF9 Page 8 of 10 a rei rolora4 tDepar env f ic Health and Environment , ir Pollution Control Division Emission Emission Pollutant Factors Factors Source Uncontrolled Controlled (lb/bbl) (lb/bbl) VOC 24.185 1.2092 Benzene 0.133 0.0067 Toluene 0.110 0.0055 Ethylbenzene 0.018 0.0009 ProMax 3.2 Xylenes 0.036 0.0018 n-hexane 0.871 0.0435 Point 006: Emission Factors - Uncontrolled Pollutant lb/BBL loaded Source VOC 0.1578 Benzene 0.0013 n-Hexane 0.0081 AP-42 Toluene 0.0030 Xylenes 0.0031 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) = 3.8 psia M (vapor molecular weight) =68 lb/lb-mol T(temperature of liquid loaded) = 512.5 °R The uncontrolled non-criteria reportable air pollutant (NCRP) emission factors were calculated by multiplying the mass fraction of each NCRP in the pressurized liquid by the VOC emission factor. 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/Major Source of: VOC, n-Hexane, total HAPs NANSR Synthetic Minor/Major Source of: VOC AIRS ID: 123/9CF9 Page 9 of 10 .„,. ..., , , __ il olor. Depa ens. P •li Health and Environment it Pollution Control Division 8) Full text of the Titl L ,. ec - of ,z' ,- e • - ,ic Co.- Federal Regulations can be found at the website listed below: http://ecfr.gpoaccess.gov/ 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)OOO0O( 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.gov/pacific/cdphe/air-permit-self-certification AIRS ID: 123/9CF9 Page 10 of 10 Division Information Engineer: Bradley Eades Control Engineer: Christopher Laplante Review Date: 05/15/2015 Application Date: 02/10/2015 Facility Identifiers Permit No. 15WE0371 Potentially located in ozone nonattainment area AIRs County# 123 Weld Facility# 9CF9 Facility Type: exploration and production facility ❑� Located in the 8-hour non-attainment area? O True Minor Synthetic Minor for: . VOC r NOx r CO Administrative Information Company Name: Bill Barrett Corporation Source Name: 18763_Anschutz State 5-61-19_20 SWSW Pad Source Location: SWSW Sec 19 T5N R61W SIC: 1311 Address 1: Bill Barrett Corporation Mailing Address 2: 1099 18th Street, Suite 2300 Address ty,State Zip: Denver, Colorado 80202 Name: Wesley Hill Person To Phone: 303-312-8546 Contact Fax: 303-291-0420 Email: whill@billbarrettcorp.com Requested Action Self Certification Required? Yes Issuance Number: 1 Source Description: Oil and gas exploration and production facility known as the 18763_Anschutz State 5-61-19_20 SWSW Pad, located in the SWSW Sec 19 T5N R61W,Weld County, Colorado. Point Name Type Control Action Separators/ Newly 005 VRTs Separator Venting Flare reported source Newly 006 Cond. LO Loadout None reported source Controlled emissons from two(2)Heated separator and two(3)VRTs used to reduce flash emissions.Emissions are a 005 function of condensate throughput during VRU bypass.24%VRU bypass assumed Equipment Description This source vents emissions from: Two(2)Heated Separators and two(2)Vapor Recovery Towers(VRTs) 'Emissions from this source are: routed to a flare 'Emissions are routed to sales line via VRU during normal operation,however emissions are routed to an enclosed flare during VRU downtime.This permit addresses emissions during VRU downtime Calculations Total Throughput to VRT/HFGS 311850 bbl Estimated annual VRU bypass 24% Requsted Throughput during VRU bypass 74844 bbl Control Flare Efficiency 95.00%1 Emissions Summary Table Pollutant Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 24.1849 lb/bbl 905.05 tpy 45.25 tpy Benzene 0.1335 lb/bbl 9992 lb/yr 500 lb/yr Toluene 0.1097 lb/bbl 8209 lb/yr 410 lb/yr Ethylbenzene 0.0178 lb/bbl 1329 lb/yr 66 lb/yr Promax3.2 Xylene 0.0356 lb/bbl 2663 lb/yr 133 lb/yr 224-TMP 0.1217 lb/bbl 9107 lb/yr 455 lb/yr n-Hexane 0.8705 lb/bbl 65150 lb/yr 3258 lb/yr Notes: Emission factors derived from ProMax3.2 model using Anschutz St 5-61-19-6457CH2 pressurized liquid analysis collected 12/08/2014 as liquid composition inputs from inlet separator.Mass flow(lb/hr)was taken from ProMax emission stream"VRT Gas to ECD"and"Flash Gas to VRU"streams(the respective mass flows were summed)and divided by modeled throughput of 1 bbl/d to derive uncontrolled emission factors. Emissions are based on 8760 hours of operation per year with estimated 24%VRU downtime(876 hrs/yr)when emissions are routed to flare Emission rates in notes to permit holder are based on operator calculations supplied in application.Differences are due to rounding and are insignificant. Flaring Information Equipment Description Flare to combust flash emissions from pressurized liquids during VRU downtime. Manufacturer Cimarron Heat Content Calculation Model 48" HHV(Btu/scf) `MMscf/bbl Vol.(MMscf/yr) Total(MMBtu/yr) Serial Number TBD HFGS Vapor 2442.7 0.00022662 16.96114728 41430.99446 Gas Heating Value 2442.7 Btu/scf VRT Vapor 2307.48 5.77E-06 4.32E-01 996.9909751 Pilot 1420.4 1.62E+00 2.30E+03 Throughput ' 44731.87424 MMBtu/yr TOTAL - - 17.3932 44731.87424'.'. 'MMscf/bbl is derived from Std Vapor Volumetric Flow calculated using Promax based on 1 bbl/d `Volume of pilot gas derived from 200 scf/hr rating for four(4)Cimarron Combustors apportioned across equipment controlled(point 003,004,8 005)based on relative throughput to combustors. Combustion emission factor source: AP-42:Chapter 13.5 0.07 Ilb NOX/MMBtu 0.37 Ilb CO/MMBtu Emissions Summar f Table NOx 1.52 tpy CO 8.28 tpy 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 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." AQCC Regulation 7 Was the well newly constructed,hydraulically fractured,or recompleted on or after August 1,2014? Wells at this facility began producing)l/2014.Therefore this separation equipment is subject to Reg 7,Section XVII.G.and control requirements of Reg 7,Section XVII.B.2 Miscellaneous Notes Based on conversation with Wes Hill at Bill Barrett Corp.,SCADA controls(automated monitoring for VRU downtime)are scheduled for installation but are not currently installed.As a result,a permit condition was included to allow for manual montitoring during the first 180 days after issuance,or until SCADA cotnrols are operational. This permit and associated permit limits and conditions are based on hydrocarbon liquid throughput since Bill Barrett Corp.does not have gas flow meters installed at this facility at this time. Sent draft of permit to operator on 05/27/2015 and received comments 06/05/2015.W.Hill requested"24%VRU bypass assumed"be added to the process description to help with their compliance tracking.W.Hill also requested all references to'flare"within the permit be changed to"enclosed combustion device". 15WE0371.CP1.xlsm 006 Hydrocarbon Loadout to Tanker Trucks 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 0.6 AP-42(EPA TANKS) P True Vapor Pressure 3.8 psia AP-42(EPA TANKS) M Molecular Weight of Vap 68 lb/lb-mole AP-42(EPA TANKS) T Liquid Temperature 512.5 deg.R Field Data L 3.76 lb/10^3 gal 1.58E-01 lb/bbl Annual requested Throughput 311850 BBL/yr 13097700 gal/yr Annual requested VOC emissions 49221 lb/yr 24.61 tpy Control: None Efficiency: 0.00% NCRPs Component Mass Fraction Benzene 0.0081 n-hexane 0.0515 Toluene 0.0191 Xylenes 0.0198 Source: Pressurized oil analysis for Anschutz St 6-61-19-6457CH2(12/8/2014) Emissions Summary Table Pollutant Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 0.1578 lb/bbl 24.61 tpy 24.61 tpy AP-42 Benzene 0.0013 lb/bbl 401 lb/yr 401 lb/yr AP-42 n-Hexane 0.0081 lb/bbl 2533 lb/yr 2533 lb/yr AP-42 Toluene 0.0030 lb/bbl 938 lb/yr 938 lb/yr AP-42 Xylenes 0.0031 lb/bbl 976 lb/yr 976 lb/yr AP-42 Regulatory Review 'Regulation 3-APEN and Permitting 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 Miscellaneous Notes Sent draft of permit to operator on 05/27/2015 and received comments 06/05/2015.W.Hill requested liquid be referred to as condensate.Responded to W.Hill that liquid is not condesate since measured API gravity submitted with the application (35.9)was less than 40 and therefore crude oil.All references in the permit to"condensate"were changed to"hydrocarbon liquid". AIRS(County/Plant) 123/9CF9 Permit No. 15WE0371 Date 5/15/2015 Controlled Controlled Actual Requested NCRP= Uncontrolled Emission Emisison Factor Emissions Emissions PTE Ctrl. reportable Point# SCC Pollutant or CAS Factor Source (tpy)* (tpy)* (tpy)* Eff% ? 005 31000205 VOC 575.831 lb/1000 ga ProMax 45.25 905.1 95% Yes 005 31000205 NOx 0.068 Ib/MMBTU AP-42 1.52 1.52 0% Yes 005 31000205 CO 0.37 Ib/MMBTU AP-42 8.27 8.27 0% Yes 005 31000205 Benzene 3.179 lb/1000 ga ProMax 499 9988 95% Yes 005 31000205 n-Hexane 20.726 lb/1000 ga ProMax 3258 65158 95% Yes 005 31000205 Toluene 2.611 lb/1000 ga ProMax 411 8211 95% Yes 005 31000205 Ethylbenzene 0.423 lb/1000 ga ProMax 66 1326 95% Yes 005 31000205 Xylenes 0.847 lb/1000 ga ProMax 134 2676 95% Yes 006 40600132 VOC 3.76 lb/1000 ga AP-42 24.7 24.7 0% Yes 006 40600132 Benzene 0.031 lb/1000 ga AP-42 401 401 0% Yes 006 40600132 n-Hexane 0.193 lb/1000 ga AP-42 2533 2533 0% Yes 006 40600132 Toluene 0.072 lb/1000 ga AP-42 938 938 0% Yes 006 40600132 Xylenes 0.075 lb/1000 ga AP-42 976 976 0% Yes i y 0 a) X m -O CO U 4 o to a o ca O 'ri D E Q � � � � � 0• 0 0 o y v cc E Z y U M men y ❑U U N \ C ❑ a W b0 N N N N y v cd •° a+ cu u o I. < ce O d o o ON r y a O an O� —O o to a WA y U - C o0o O y O O O co 0 � �y z c ua) PI 0 s W a o = U ° W o i m ^ A o ca o LCr •y d a) w '' L cC O p vi ..0 p a4 .� c3 cd �d al E ° U F 41 aci m y V m R ° v� G' o o ° 5 a> a C7 d a . a) w a a, ° ° o I o. 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