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Home My WebLink About20160636.tiff cr��HCOLORADO ,,,,� Department of Public «` I Health-Environment Dedicated to protecting and improving the health and environment of the people of Colorado Weld County - Clerk to the Board 1150 0 St PO Box 758 RECEIVED Greeley, CO 80632 FEB 16 2016 February 11, 2016 WELD COUNTY COMMISSIONERS Dear Sir or Madam: On February 17, 2016, the Air Pollution Control Division will begin a 30-day public notice period for Bill Barrett Corporation - 18801_Anschutz Equus Farms 4-62-33. 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, Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure � �pp � 2016-0636 QQ �p C�� w- - a o` -,4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe John W. Hickentooper, Governor Larry Wotk,MD,MSPH, Executive Director and Chief Medical Officer '. ,, C©PHI Air Pollution Control Division Co Notice of a Proposed Project or Activity Warranting Public Comment Website Title: Bill Barrett Corporation - 18801_Anschutz Equus Farms 4-62-33 - Weld County Notice Period Begins: February 17, 2016 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: 18801_Anschutz Equus Farms 4-62-33 Oil and Gas Well Pad Facility SWNW SEC 33 T4N R62W Weld County The proposed project or activity is as follows: Applicant has requested permit for emissions from control devices used during VRU bypass. 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 15WE0591 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: Timothy Sharp 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 1I STATE OF COLORADO COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT �w AIR POLLUTION CONTROL DIVISION y� o TELEPHONE: (303) 692-3150 * / ri876* CONSTRUCTION PERMIT PERMIT NO: 1 5WE0591 Issuance 1 DATE ISSUED: DRAFT 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 18801 Anschutz Equus Farms 4-62-33, located in the SWNW SEC 33 T4N R62W, Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID One (1) heated low-pressure separator and one (1) vapor recovery VRU tower (VRT) controlled by three (3) enclosed combustors during a Bypass 006 30% annual VRU downtime. Flare has a minimum control efficiency of 95%. 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 https://www.colorado.gov/pacific/cdphe/other-air-permittinq-notices. 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 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 AIRS ID: 123/9D8D Page 1 of 8 olor Depa en P li Health and Environment it Pollution Control Division within 18 mon eit h` f i f this truction 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 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 6. 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 X Equipment ID Point NO VOC CO VRU Bypass 006 0.3 7.5 1.6 Point See "Notes to Permit Holder"for information on emission factors and 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. 7. 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 Pollutants Equipment Point Control Device Controlled ID VRU 006 (3) Enclosed Combustion Device(s) VOC Bypass PROCESS LIMITATIONS AND RECORDS 8. 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 AIRS ID: 123/9D8D Page 2 of 8 olora Depar 'vent of P ,blid Health and Environment -kkA . it Pollution Control Division operator and acte available,to;lrtte ivisicikf0. _,t spectipt'1 on request. (Reference: Regulation 3, Part B, II.A.4) Process/Consumption Limits Facility AIRS Equipment Point Process Parameter Annual Limit ID VRU 006 Liquid through separator and VRT during 21,530 bbl/yr Bypass 30% annual downtime 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. STATE AND FEDERAL REGULATORY REQUIREMENTS 9. 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) 10. 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.2.b shall have no visible emissions. (Reference: Regulation No. 1, Section II.A.1. & 4.) 11. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) 12. Point 006: The flare(s) covered by this permit is subject to Regulation No. 7, Section XVII.B General Provisions (State only enforceable). These requirements include, but are not limited to: • XVII.B.2.b 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 combustion device, or by other means approved by the Division, determine whether it is operating properly. • XVII.B.2.d Auto-igniters: All combustion devices used to control emissions of hydrocarbons must be equipped with and operate an auto-igniter as follows: • XVII.B.2.d.(i) All combustion devices installed on or after May 1, 2014, must be equipped with an operational auto-igniter upon installation of the combustion device. • XVII.B.2.d.(ii) All combustion devices installed before May 1, 2014, must be equipped with an operational auto-igniter by or before May 1, 2016, or after the next combustion device planned shutdown, whichever comes first. AIRS ID: 123/9D8D Page 3 of 8 olor Depa= en P li Health and Environment it Pollution Control Division 13. Point 006: T at e th. ` is su • 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. OPERATING & MAINTENANCE REQUIREMENTS 14. 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 15. The owner or operator shall demonstrate compliance with opacity standards using EPA Method 9 to measure opacity from the flare. (Reference: Regulation No. 1, Section II.A.5). Periodic Testing Requirements 16. On an annual basis, the operator shall complete a site-specific extended liquids analysis of a high-pressure liquid sample from the high-pressure separator. Results of testing shall be used to verify the VOC content (weight fraction) of the emission stream that is routed to the flare during VRU bypass. VOC content of this emission stream and site- specific emission factors shall be verified using ProMax and the most recent extended liquids analysis. ADDITIONAL REQUIREMENTS 17. 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 AIRS ID: 123/9D8D Page 4 of 8 olora -A y e ari eni®f°f PN' IidHealth and Environment a�� it Pollution Control Division For vota and *W s ( Wind 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 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. GENERAL TERMS AND CONDITIONS 18. 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. 19. 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. 20. 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. 21. 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. 22. 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 AIRS ID: 123/9D8D Page 5 of 8 : olor_li, Depa en P li Health and Environment 1Pollution Control Division permit may b= t • a >.ti -a -r t• 'ficatifinal 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. 23. 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. 24. 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: Timothy Sharp Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to Bill Barrett Corporation for a wellhead separator and VRU with 30% annual downtime. AIRS ID: 123/9D8D Page 6 of 8 Y ti oloraii Depar&nene of P l c Health and Environment L � it Pollution Control Division �z' a Notes to Permit Holder st t'hd`time of'fhhisie`'"` ance 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.qov/cs/Satellite?c=Document C&childpagename=CDPHE- Main°/02FDocument 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? (Ib/yr) 006 Benzene 71432 1723 Yes 86 006 n-Hexane 110543 10652 Yes 533 006 Toluene 108883 1486 Yes 84 006 Ethylbenzene 100414 251 Yes 13 006 Xylenes 1330207 576 Yes 29 5) The emission levels contained in this permit are based on the following emission factors: Point 006: Weight Emission Emission Fraction Factors Factors Pollutant of Gas Uncontrolled Controlled Source (%) lb/MMscf lb/MMscf NOx (b/MMBTU) --- 0.068 0.068 AP-42 Ib/ CO ---(Ib/MMBTU) 0.37 0.37 AP-42 VOC 46.18 13.9345 (lb/bbl) 0.696725 (lb/bbl) Gas Analysis Benzene 0.10 .080 (lb/bbl) Gas Analysis Toluene 0.08 .069 (lb/bbl) Gas Analysis Ethylbenzene 0.01 0.012 (lb/bbl) Gas Analysis Xylenes 0.03 0.027 (lb/bbl) Gas Analysis AIRS ID: 123/9D8D Page 7 of 8 • olor Depa en P li Health and Environment it Pollution Control Division a.4 ion Fraction Factors Factors Pollutant of Gas Uncontrolled Controlled Source (0/O) lb/MMscf lb/MMscf n-hexane 0.63 0.495 (lb/bbl) 607.5235 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/Major Source of: VOC PSD or NANSR Synthetic Minor/Major Source of: VOC 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.qpoaccess.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 XXXXXX AIRS ID: 123/9D8D Page 8 of 8 Division Information Engineer: Timothy Sharp Control Engineer: Stefanie Rucker Review Date: 08/17/2015 Application Date: 03/09/2015 Facility Identifiers Permit No. 15WE0591 Potentially located in ozone nonattainment area AIRs County# 123 'Weld Facility# 9DB7 Facility Type: exploration and production facility ❑Located in the 8-hour non-attainment area? O True Minor ® Synthetic Minor for: VOC r NOx E CO Administrative Information Company Name: Bill Barrett Corporation Source Name: 18801 Anschutz Equus Farms 4-62-33 Source Location: SWNW SEC 33 T4N R62W SIC: 1311 Address 1: Bill Barrett Corporation Mailing Address 2: 1099 18th St.,Suite 2300 Address ty,State Zip: Denver, CO 80202 Name: Wesley Hill Person To Phone: 3033128546 Contact Fax: 000-000-0000 Email: whill@billbarrettcorp.com Requested Action Self Certification Required? No source has supplied notice f startup Issuance Number: 1 Source Description: Oil and gas exploration and production facility known as the 18801 Anschutz Equus Farms 4-62-33, located in the SWNW SEC 33 T4N R62W,Weld County, Colorado. Point Name Type Control Action SeparatorN Newly 006 RT Separator Venting Flare reported source One low-pressure separator controlled by one enclosed flare during VRU downtime.Flare has a minimum 006 control efficiency of 95%. Equipment Description This source vents natural gas from: a well head separator Emissions from this source are: recompressed Natural gas venting from a well head separator.Emissions from this source are recompressed. 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/lb-mol)at 60F and 1 atm Throughput(Q) 17942 bbl/yr 2048173.516 scf/hr MW xx lb/Ib-mcl 49.15616438 MMscf/d mole% MW Ibx/Ibmol mass fraction lb/hr lb/yr tpy Helium 0.00 4.0026 0.000 #VALUE! #VALUE! #VALUE! #VALUE! CO2 0.16 44.01 0.073 #VALUE! #VALUE! #VALUE! #VALUE! N2 0.01 28.013 0.003 #VALUE! #VALUE! #VALUE! #VALUE! methane 1.29 16.041 0.207 #VALUE! #VALUE! #VALUE! #VALUE! ethane 2.59 30.063 0.778 #VALUE! #VALUE! #VALUE! #VALUE! propane 8.69 44.092 3.831 #VALUE! #VALUE! *VALUE! #VALUE! isobutane 2.01 58.118 1.168 #VALUE! #VALUE! #VALUE! #VALUE! n-butane 8.74 58.118 5.077 #VALUE! #VALUE! #VALUE! #VALUE! isopentane 4.10 72.114 2.954 #VALUE! #VALUEI #VALUE! #VALUEI n-pentane 6.05 72.114 4.366 #VALUE! #VALUE! #VALUE! #VALUE! cyclopentane 0.00 70.13 0.000 #VALUE! #VALUE! #VALUE! #VALUE! n-Hexane 5.34 86.18 4.605 #VALUE! #VALUE! #VALUE! #VALUE! cyclohexane 0.03 84.16 0.022 #VALUE! #VALUE! #VALUE! #VALUE! Other hexanes 0.19 86.18 0.161 #VALUE! #VALUE! #VALUE! #VALUE! heptanes 0.08 100.21 0.079 #VALUE! #VALUE! #VALUE! #VALUE! methylcyclohexane 0.03 98.19 0.025 #VALUE! #VALUE! #VALUE! #VALUEI 224-TMP 1.53 114.23 1.747 #VALUE! #VALUE! #VALUE! #VALUE! Benzene 0.98 78.12 0.765 #VALUE! #VALUE! #VALUE! #VALUEI Toluene 2.00 92.15 1.839 #VALUE! #VALUE! #VALUE! #VALUE! Ethylbenzene 0.71 106.17 0.755 #VALUE! #VALUE! #VALUE! #VALUE! Xylenes 0.50 106.17 0.526 #VALUE! #VALUE! #VALUEI #VALUE! C8+Heavies 32.64 #VALUE! #VALUE! #VALUE! *VALUE! #VALUE! #VALUE' VOC mass fracl #VALUE! Total VOC(Uncontrolled) 150.01 Notes Mole%,MW,and mass fractions from 18801 Anschutz Equus Farms 4-62-33 gas analysis collected 02/18/2015. Emissions are based on 8760 hours of operation per year.With 30%VRU Downtime Operator used a mass balace approach,and represented emissions on a lb/bbl basis. Based on the supplied ProMax simulation the opperator is claiming 100%of th VOC flash emissions as uncontrolled during VRU downtime. This method yields conservative estimates. 15WE0591.CP1.xlsm One low-pressure separator controlled by one enclosed flare during VRU downtime.Flare has a minimum 006 control efficiency of 95%. Flaring Information Equipment Description (3)Flares to combust low-pressure separator gas during VRU downtime. Manufacturer Cimarron Model 48'Flare Stack Serial Number TBD Gas Heating Value 2495 Btu/scf Throughput 6854 MMBtu/yr VRU Information Equipment Description Engine to recompress gas to sales line. Make Platinum Model Quincy Requested Control 100.00% Annual Bypass Tim 30.00% Backup Flare Overall Control 95.00% Combustion emission factor source: AP-42:Chapter 13.5 0.07 Ilb NOX/MMBtu 0.37 IIb CO/MMBtu Emissions Summary Table Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 17 lb/bbl 0.84 lb/MMscf 150.0 tpy 7.5 tpy Gas Analysis Nox 0.07 lb/MMBTU 0.07 Ib/MMBTU 0.2 tpy 0.2 tpy AP-42 CO 0.37 Ib/MMBTU 0.37 lb/MMBTU 1.3 tpy 1.3 tpy AP-42 Benzene 0.08 lb/MMscf 0.00 lb/MMscf 1435 lb/yr 72 lb/yr Gas Analysis n-Hexane 0.49 Ib/MMscf 0.0247 lb/MMscf 8878 lb/yr 444 lb/yr Gas Analysis Toluene 0.069 lb/MMscf 0.0035 lb/MMscf 1238 lb/yr 62 lb/yr Gas Analysis Xylenes 0.027 lb/MMscf 0.0013 lb/MMscf 479 lb/yr 24 lb/yr Gas Analysis Ethylbenzene 0.012 Ib/MMscf 0.0006 lb/MMscf 210 lb/yr 10 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 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? yes This separator is subject to Reg 7,Section XVII.G.and control requirements of Reg 7,Section XVII.B.2 15WE0591.CP1.xlsm CJ O U O M ° E ° . . ^.,_, ..._, .,, \ . „ C yy [J a cc Le) g. r= y 9 d = 5 z U c.) m m en o c wat j i..., . A u a .G C W CO y� �..� N (V N h -p-c R a 'Y U _� ° Q c , ^o v DoT, E ,-nmr c ? A OE.. > y o v, i.• C U c?✓.r +-' ; ,_, , ran OR i Q. 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