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Home My WebLink About20142970.tiff 41/4 CDPHE COLORADO C Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado Weld County-Clerk to the Board 1150O St PO Box 758 Greeley. CO 80632 RECEIVED September 22.2014 SEP 2 J 2014 WELD COUNTY COMMISSIONERS Dear Sir or Madam: On September 25.2014,the Air Pollution Control Division will publish a public notice for Carrizo Oil and Gas. Inc.—Castor 4.5,7-36 Multi-Pad, 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&Environment APCD-SS-B 1 4300 Cherry Creek Drive South Denver,Colorado 80246-1530 Attention: Clara Gonzales Regards, -72-. .cy Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure 4300 Cherry Creek Drive S.,Denver,CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe 47• ,. Er :; John W. Hickenlooper,Governor Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer• C _ 2-a _ I, I C,L. ?L [Pt AI, 1L 9/25 2014-2970 41/4 CDPHE Public Notice Of A Proposed Project COOr Activity Warranting Public Comment V �+ Website Title: Carrizo Oil and Gas.Inc.—Castor 4.5.7-36 Multi-Pad—Weld County Released To: The Greeley Tribune On: September 22,2014 Published: September 25,2014 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: Carrizo Oil and Gas.Inc. Facility: Castor 4.5.7-36 Multi-Pad Oil and Gas Exploration and Production Facility NWNW,Section 36.T9N,R59W Weld County The proposed project or activity is as follows: Operator requests a pennit to operate a separator with a 25-open flare stack. Requested through-put is 78.7 MMscf separator vapors per year. The Division has determined that this permitting action is subject to public comment per Colorado Regulation No.3.Part B. Section Ill.C due to the following reason(s): • permitted emissions exceed public notice threshold values in Regulation No.3,Part B.Section III.C.l.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 14WE0995 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.co lorado.gov/paci fi c/edphe/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 address: Kirk Bear Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South.APCD-SS-B t Denver,Colorado 80246-1530 cdphe.commentsapcd@state.co.us 1 COLORADO STATE OF COLORADO pP cptd COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT '& AIR POLLUTION CONTROL DIVISION 5 1% TELEPHONE: (303) 692-3150 �r 1846 CONSTRUCTION PERMIT PERMIT NO: 14WE0995 Issuance 1 DATE ISSUED: ISSUED TO: Carrizo Oil and Gas, Inc. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas exploration and production facility known as the Castor 4,5,7-36 Multi-Pad, located in the NWNW, Section 36, Township 9N, Range 59W, Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Description Equipment ID Point SEPARATOR 005 Separator controlled by a 25' flare stack. Flare has a minimum combustion efficiency of 95%. The flare is not enclosed. 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 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 AIRS ID: 123-9CD4-005 Page 1 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division deadline per Regulation No. 3, Part B, III.F.4.b. (Reference: Regulation No. 3, Part B, III.F.4.) 4. Within one hundred and eighty days (180) after issuance of this permit, the operator shall install a flow meter to monitor and record volumetric flow rate of natural gas vented from each low pressure separator. The operator shall use the gas flow rate listed in the 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. 5. 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.) 6. 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.) 7. 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 8. 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 SEPARATOR 005 3.8 50.7 20.8 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. AIRS ID: 123-9CD4-005 Page 2 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division 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 AIRS Pollutants Control Device Equipment ID Point Controlled SEPARATOR 005 Open Flare VOC 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 Process Parameter Annual Limit Equipment ID Point SEPARATOR 005 Gas Vented from Separator 78.7 MMscf 11. Compliance with the annual throughput limits shall be determined on a rolling twelve (12) month total. By the end of each month a new twelve-month total is calculated based on the previous twelve months' data. The permit holder shall calculate throughput each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. 12. Upon installation of the flow meter required under Condition 4, the owner or operator shall continuously monitor and record the volumetric flow rate of natural gas vented from each low pressure separator using a flow meter. The flow meter shall continuously measure flow rate and record total volumetric flow vented from each separator. The owner or operator shall use monthly throughput records to demonstrate compliance with the limits specified in Condition 10 and to calculate emissions as described in this permit. STATE AND FEDERAL REGULATORY REQUIREMENTS 13. 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) 14. 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.) 15. 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 AIRS ID: 123-9CD4-005 Page 3 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division 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.) 16. The open flare covered by this permit has been approved as an alternative emissions control device under Regulation No. 7, Section XVII.B.2.e. The open flare shall 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 open flare, 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. The owner/operator must equip the open flare with an operational auto-igniter by or before May 1, 2016, or after the next combustion device planned shutdown, whichever comes first. (Regulation No. 7, Section XVII.B.) 17. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) OPERATING & MAINTENANCE REQUIREMENTS 18. 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 19. 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.1 &4) Periodic Testing Requirements 20. On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas produced at this site that is routed to the flare in order to verify the VOC 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. ADDITIONAL REQUIREMENTS 21. 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 AIRS ID: 123-9CD4-005 Page 4 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division 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. 22. 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 23. 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. 24. 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. 25. 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. 26. 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: 123-9CD4-005 Page 5 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division 27. 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. 28. 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. 29. 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: Kirk Bear Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to Carrizo Oil and Gas, Inc. AIRS ID: 123-9CD4-005 Page 6 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division Notes to Permit Holder at the time of this permit issuance: 1) The permit holder is required to pay fees for the processing time for this permit. An invoice for these fees will be issued after the permit is issued. The permit holder shall pay the invoice within 30 days of receipt of the invoice. Failure to pay the invoice will result in revocation of this permit (Reference: Regulation No. 3, Part A, Section VI.B.) 2) The production or raw material processing limits and emission limits contained in this permit are based on the consumption rates requested in the permit application. These limits may be revised upon request of the owner or operator providing there is no exceedance of any specific emission control regulation or any ambient air quality standard. A revised air pollution emission notice (APEN) and complete application form must be submitted with a request for a permit revision. 3) This source is subject to the Common Provisions Regulation Part II, Subpart E, Affirmative Defense Provision for Excess Emissions During Malfunctions. The owner or operator shall notify the Division of any malfunction condition which causes a violation of any emission limit or limits stated in this permit as soon as possible, but no later than noon of the next working day, followed by written notice to the Division addressing all of the criteria set forth in Part II.E.1 of the Common Provisions Regulation. See: http://www.colorado.gov/cs/Satellite?c=Document C&childpagename=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? (Ib/yr) 005 Benzene 71432 10737 Yes 537 005 n-Hexane 110543 59871 Yes 2994 005 Toluene 108883 7240 Yes 362 005 Ethyl benzene 100414 798 Yes 40 005 Xylenes 1330207 1403 Yes 70 5) The emission levels contained in this permit are based on the following emission factors: Emission Emission Pollutant Factors Factors Source Uncontrolled Controlled lb/MMscf Ib/MMscf NOx (lb/MMBTU) 0.068 0.068 AP-42 CO (lb/MMBTU) 0.37 0.37 AP-42 VOC 25830.97 1291.54 Gas Analysis Benzene 136.45 6.82 Gas Analysis Toluene 84.61 4.23 Gas Analysis Ethylbenzene 7.84 0.39 Gas Analysis Xylenes 14.0 0.70 Gas Analysis n-hexane 727.86 36.39 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 AIRS ID: 123-9CD4-005 Page 7 of 8 Colorado Department of Public Health and Environment Air Pollution Control Division 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 NANSR Synthetic Minor 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.g poaccess.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 XXXX)O( 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: 123-9CD4-005 Page 8 of 8 Division Information Engineer: Kirk Bear Control Engineer: Christopher Laplant Review Date: 09/22/2014 Application Date: 05/03/2014 Facility Identifiers Permit No. 14WE0995 AIRS County It 123 Weld Facility# 9CD4 Facility Type: exploration and production facility ❑Located in the 8-hour non-attainment area? 0 True Minor Q Synthetic Minor for: rJ V0C r N0x F CO Administrative Information Company Name: Carrizo Oil and Gas, Inc. Source Name: Castor 4,5,7-36 Multi-Pad Source Location: NWNW, Section 36, Township 9N, Range 59W SIC: 211111 Address 1: Carrizo Oil and Gas, Inc. Mailing Address 2: 500 Dallas,Suite 2300 Address City,State Zip: Houston,Texas 77002 Name: Patricia Moden Person To Phone: 713 328 1036 Contact Fax: 713 328 1060 Email: Patricia.Moden@crzo.net Requested Action Self Certification Required? Yes Issuance Number 1 Source Description: Oil and gas exploration and production facility known as the Castor 4,5,7-36 Multi-Pad, located in the NWNW, Section 36, Township 9N, Range 59W,Weld County,Colorado. Point Name Type Control Action Newly 005 SEPARATOR Separator Venting Flare reported source Separator controlled by a 25'flare stack.Flare has a minimum combustion efficiency of 95%. The flare is 005 not enclosed. 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/lb-mol)at 60F and 1 atm Throughput(0) 78.7 MMscf/yr 8984.018265 scf/hr MW 25.3 Ib/b-mol 0.215616438 MMscf/d mole% MW Ibxdbmol mass fraction lb/hr Ib/r tpy Helium 0.02 4.0026 0.001 0.000 0.02 168.23 0.08 CO2 2.34 44.01 1.030 0.041 24.41 213846.80 106.92 N2 1.05 28.013 0294 0.012 6.97 61077.95 30.54 methane 67.79 16.041 10.874 0.430 257.75 2257925.10 1128.96 ethane 11.08 30.063 3.330 0.132 78.93 691434.09 345.72 propane 9.33 44.092 4.113 0.183 97.51 854160.97 427.08 isobutane 1.02 58.118 0.590 0.023 13.99 122541.54 61.27 n-butane 3.75 58.118 2.177 0.086 51.61 452138.95 226.07 isopentane 0.82 72.114 0.589 0.023 13.96 122327 47 61.16 n-pentane 1.18 72.114 0.850 0.034 20.14 178400.74 88.20 cyclopentane 0.12 70.13 0.087 0.003 2.06 18072.20 9.04 n-Hexane 0.32 86.18 0.276 0.011 6.54 57283.25 28.84 cyclohexane 0.09 84.16 0.075 0.003 1.78 15553.61 7.78 Other hexanes 0.54 86.18 0.489 0.019 11.13 97458.48 48.73 heptanes 0.28 100.21 0.278 0.011 6.59 57702.74 28.85 methylcydohexane 0.06 98.19 0.057 0.002 1.36 11886.97 5.94 224-TMP 0.00 114.23 0.000 0.000 0.01 47.44 0.02 ' Benzene 0.07 78.12 0.052 0.002 1.23 10738.80 5.37 Toluene 0.03 92.15 0.032 0.001 0.76 6859.02 3.33 Ethylbenzene 0.00 106.17 0.003 0.000 0.07 617.30 0.31 Xylenes 0.01 106.17 0.005 0.000 0.13 1102.32 0.55 CB+Heavies 0.10 137.4837288 0.136 0.005 3.22 28206.15 14.10 99.98 VOC mass frail 0.387 Total VOC(Uncontrolled) 1016.45 Flaring Information Equipment Description Flare to combust produced gas until pi eline is available at this wellhead facility. Manufacturer Model Serial Number Gas Heating Value 1430 Btu/scf Throughput 112541 MMBtu/yr VRU Information Equipment Description Engine to recompress gas to sales line. Make Model Requested Control 100.00% Annual Bypass Tim 50.00% Backup Flare Overall Control 95.00% Combustion emission factor source: AP-42:Chapter 13.5 0.07 alb NOX/MMBtu 0.37 jib CO/MMBtu Emissions Summary Table Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source V0C 25830.98 lb/MMscf 1291.55 lb/MMsd 1014.0 tpy 50.7 tpy Gas Analysis Nox 0.07 lb/MMBTU 0.07 lb/MMBTU 3.8 tpy 3.8 tpy AP-42 CO 0.37 Ih/MMBTU 0.37 lb/MMBTU 20.8 tpy 20.8 tpy AP-42 Benzene 136.45 lb/MMscf 6.82 lb/MMscf 10737 lb/yr 537 lb/yr Gas Analysis n-Hexane 727.87 lb/MMscf 36.39 lb/MMscf 59871 lb/yr 2994 lb/yr Gas Analysis Toluene 84.61 Ib/MMsd 4.23 lb/MMscf 7240 lb/yr 362 lb/yr Gas Analysis Xylenes 14.01 lb/MMscf 0.70 lb/MMscf 1403 lb/yr 70 lb/yr Gas Analysis Ethylbenzene 7.84 lb/MMscf 0.39 lb/MMscf 798 lb/yr 40 lb/yr Gas Analysis Regulatory Applicability AOCC 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." AIRS(County/Plant)123/9C04 Permit No. 14WE0995 Date 9/2 212 01 4 Controlled Controlled Actual Requested NCRP= Uncontrolled Emission Emissions Emissions Ctn. reportable Point# SCC Pollutant or CAS Factor Emisison Factor Source ROY). (tpy)' PTE(tpy) ER% ? 005 31000205 VOC 25830.978 lb/MMscf Gas Analysis 50.7 1014 95% Yes 005 31000205 NOx 0.068 lb/MMBTL AP-42 3.8 3.8 0% Yes 005 31000205 CO 0.37 Ib/MMBTL AP-42 20.8 208 0% Yes 005 31000205 Benzene 136.452 lb/MMscf Gas Analysis 536.9 10737 95% Yes 005 31000205 n-Hexane 727.869 lb/MMscf Gas Analysis 2993.6 59871 95% Yes 005 31000205 Toluene 84.813 lb/MMscf Gas Analysis 362 7240 95% Yes 005 31000205 EBrylbenzene 7.844 lb/MMscf Gas Analysis 39.9 798 95% Yes 005 31000205 Xylenes 14.007 lb/MMsof Gas Analysis 70.2 1403 95% Yes z v o ,0)o_ u w VI .ti o _ 4 c o >, v o, CC if) o a I c 62 9 R ❑ E z v o ` M m m 0 A 0 R 0 O LL C b O'�N N N N H y enn -. U .a. 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