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Home My WebLink About20161673.tiff A cDPHE COLORADO dell CODepartment of Public „° Health S Environment Dedicated to protecting and improving the health and environment of the people of Colorado Weld County - Clerk to the Board 1150 O St PO Box 758 RECEIVED Greeley, CO 80632 MAY 252016 May 20, 2016 WELD COUNTY COMMISSIONERS Dear Sir or Madam: On May 25, 2016, the Air Pollution Control Division will begin a 30-day public notice period for Southwestern Energy Production Company - Gnat Hill Production Facility. A copy of this public notice and the public comment packet are enclosed. Thank you for assisting the Division by posting a copy of this public comment packet in your office. Public copies of these documents are required by Colorado Air Quality Control Commission regulations. The packet must be available for public inspection for a period of thirty (30) days from the beginning of the public notice period. Please send any comment regarding this public notice to the address below. Colorado Dept. of Public Health 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 2016-1673 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.colorado.gov/cdphe ra.< John W. Hickenlooper, Governor Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer r *!; piAlid_;(.(Rd.tx.",0 ec: PL, liL/ (Pu) 67°2,6 1876 . A CDPHE Air Pollution Control Division co s Notice of a Proposed Project or Activity Warranting Public N i Comment Website Title: Southwestern Energy Production Company - Gnat Hilt Production Facility - Weld County Notice Period Begins: May 25, 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: Southwestern Energy Production Company Facility: Gnat Hill Production Facility Oil and gas exploration and production facility NESE Section 29, T6N, R89W Weld County The proposed project or activity is as follows: Existing oil and gas exploration and production facility adding an enclosed flare to control emissions from heater treater. 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 16RO0034 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: Stephanie Spector Colorado Department of Public Health and Environment 4300 Cherry Creek Drive South, APCD-SS-B1 Denver, Colorado 80246-1530 cdphe.commentsapcd@state.co.us &aa4hxP,:tt v maxi STATE OF COLORADO pF oio COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT `` AIR POLLUTION CONTROL DIVISION TELEPHONE:(303)692-3150 * *1876 CONSTRUCTION PERMIT PERMIT NO: 168O0034 Issuance 1 DATE ISSUED: ISSUED TO: Southwestern Energy Production Company THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the Gnat Hill Production Facility, located in the NESE of Section 29, Township 6 North, Range 89 West, in Routt County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Vent 005 Heater treater controlled by a flare stack. Flare has a minimum combustion efficiency of 95%. The flare is 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 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 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 AIRS ID: 107/0111 Page 1 of 7 Wellhead Version 2012-1 P Coll. . D men •f Public Health and Environment x° Air Pollution Control Division 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 Equipment ID Point NO, VOC CO Emission Type Vent 005 2.5 21.5 11.2 Point See "Notes to Permit Holder#4"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 Vent 005 Heater treater controlled by a flare stack VOC, HAPs PROCESS LIMITATIONS AND RECORDS 8. This source shall be limited to the following maximum processing rates as listed below. Monthly records of the throughput shall be maintained by the applicant 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 AIRS ID: 107/0111 Page 2 of 7 Col.'. . D} amen f Public Health and Environment Air Pollution Control Division Vent 005 Natural gas flaring 63.52 MMSCF/yr The owner or operator shall calculate 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 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 number 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. (Reference: Regulation No. 1, Section II.A.1. &4.) 11. No owner or operator of a smokeless flare or other flare for the combustion of waste gases shall allow or cause emissions into the atmosphere of any air pollutant which is in excess of 30% opacity for a period or periods aggregating more than six minutes in any sixty consecutive minutes. (Reference: Regulation No. 1, Section II.A.5.) 12. These sources are subject to the odor requirements of Regulation No. 2. (State only enforceable) OPERATING & MAINTENANCE REQUIREMENTS 13. Upon startup of these points,the applicant shall follow the 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.) COMPLIANOE TESTING AND SAMPLING Initial Testing Requirements 14. 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 15. On an annual basis, the operator shall complete a site specific extended gas analysis of the natural gas vented from this emissions unit in order to verify the VOC content (weight fraction) of this emission stream. Results of testing shall be used to calculate site-specific emission factors for the pollutants referenced above(in units of lb/MMSCF gas vented)using Division approved methods. Emission factors established through this periodic testing shall be less than or equal to, the emissions factors established in the permit application and "Notes to Permit Holder" for this emissions point. If the site specific emissions factor developed through this sampling and analysis is greater than the emissions factor established in the permit application and "Notes to Permit Holder"the operator shall submit to the Division within 60 days, a request for permit modification to update emissions factors and emissions limits specified in this permit. The owner or operator shall continue to use the emissions factors established in the permit application and "Notes to Permit Holder" to AIRS ID: 107/0111 Page 3 of 7 Itcol • D men .f Public Health and Environment Air Pollution Control Division calculate actual emissions and demonstrate compliance with the emissions limits specified in this permit unless a modification is submitted to the Division. Records of site-specific sampling and emissions factor analysis shall be recorded and maintained by the operator and made available to the Division for inspection upon request. ADDITIONAL REQUIREMENTS 16. A revised Air Pollutant Emission Notice(APEN)shall be filed: (Reference: Regulation No.3, Part A, II.C) a. Annually 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 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. 17. Federal regulatory program requirements (i.e. PSD, NANSR)shall apply to this source at any such time that this source becomes major solely by virtue of a relaxation in any permit condition. Any relaxation that increases the potential to emit above the applicable Federal program threshold will require a full review of the source as though construction had not yet commenced on the source. The source shall not exceed the Federal program threshold until a permit is granted. (Regulation No. 3 Part D). GENERAL TERMS AND CONDITIONS 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. AIRS ID: 107/0111 Page 4 of 7 COI!_ . D men .f Public Health and Environment Ilk in Air Pollution Control Division 20. This permit is issued in reliance upon the accuracy and completeness of information supplied by the applicant 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 applicant or applicant'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 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 applicant, or the Division revokes a permit, the applicant or 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: Stephanie Spector, PE Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to Southwestern Energy Production Company. Newly permitted enclosed flare at a synthetic minor facility. AIRS ID: 107/0111 Page 5 of 7 cols, . D , ;amen •f Public Health and Environment Air Pollution Control Division Notes to Permit Holder: 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 maybe revised upon request of the permittee 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 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 permittee 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: https://www.colorado.gov/pacific/cdphe/aqcc-reqs 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 Point Pollutant CAS# BIN (Ib/yr) reportable? Rate(Ib/yr) Benzene 71432 A 1321 Yes 66 Toluene 108883 C 1018 Yes 51 005 Ethyl benzene 100414 C 53 No 3 Xylenes 1130207 C 284 Yes 14 n-Hexane 110543 C 9737 Yes 487 4 5) The emission levels contained in this permit are based on the following emission factors: Point 005: Weight Emission Emission CAS# Pollutant Fraction of Factors Factors Source Gas(%) Uncontrolled Controlled NOx 0.068 0.068 AP-42 lb/MMBtu lb/MMBtu CO 0.31 AP-42 0.31 lb/MMBtu lb/MMBtu VOC 24.24 13541.5617 677.0781 Engineering lb/mmscf Ib/mmscf Calculation 71432 Benzene 0.04 20.7966 1.0398 Engineering Ib/mmscf lb/mmscf Calculation 108883 Toluene 0.03 16.0264 0.8013 Engineering lb/mmscf lb/mmscf Calculation 100414 Ethylbenzene 0 0.8344 0.0417 Engineering lb/mmscf lb/mmscf Calculation AIRS ID: 107/0111 Page 6 of 7 '= Cole • Dz, men f Public Health and Environment Air Pollution Control Division Weight Emission Emission CAS# Pollutant Fraction of Factors Factors Source Gas(%) Uncontrolled Controlled 1330207 Xylenes 0.01 4.4710 0.2236 Engineering lb/mmscf Ib/mmscf Calculation 110543 n-hexane 0.27 153.2903 7.6645 Engineering lb/mmscf lb/mmscf Calculation Note: The uncontrolled VOC and HAP emissions for this point were calculated using the April 30, 2015 analysis of a gas sample collected from the Gnatt Hill 1-29 Pack MVS&Fuel well.The controlled VOC and HAP emissions factors for point 005 are based on the enclosed flare control efficiency of 95%. 6) In accordance with C.R.S. 25-7-114.1, each Air Pollutant Emission Notice (APEN) associated with this permit is valid for a term of five years from the date it was received by the Division.A revised APEN shall be submitted no later than 30 days before the five-year term expires. Please refer to the most recent annual fee invoice to determine the APEN expiration date for each emissions point associated with this permit.For any questions regarding a specific expiration date call the Division at(303)-692-3150. 7) This facility is classified as follows: Applicable Status Requirement Operating Permit Synthetic Minor Source of: VOC PSD Synthetic Minor Source of: VOC 8) Full text of the Title 40, Protection of Environment Electronic Code of Federal Regulations can be found at the website listed below: http://ecfr.gpoaccess.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 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: 107/0111 Page 7 of 7 Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Division Information Engineer: Stephanie Spector,PE Attainment Status Control Engineer: Chris Laptante' PM10 Attainment Review Date: 04/14/2016 PM2.5 Attainment Application Date: 11/20/2015 SOx Attainment NOx Attainment VOC Attainment Facility Information CO Attainment Permit No. 16R00034 County# 107 Routt AIRs Facility# 0111 Point# 005 Facility Equipment ID Vent Company Name: Southwestern Energy Production Company Source Name:Gnat Hill Production Facility Source Location:NESE Section 29,T6N,R89W SIC: 1311 Elevation(feet)6656 New Permit Modification APEN X (CPI) (Issuance#) Required/Permit Fxemot Transfer of APEN Ownership Exempt/Permit Fxemot Notes Equipment Description This source vents natural gas from: a well head separator Emissions from this source are: routed to an enclosed flare Natural gas venting from a well head separator.Emissions from this source are routed to an enclosed flare. Emission Calculation Method EPA Emission Inventory Improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3) Ex=Q*MW*Xx/C Ex=emissions of pollutant x Q=Volumetric flow rate/volume of gas processed MW=Molecular weight of gas=SG of gas'MW of air Xx=mass fraction of x in gas C=molar volume of ideal gas(379 scf/Ib-mol)at 60F and 1 atm f I Throughput(O) 63.52 MMscf/yr I 7251.1 scf/hr I 5.39 MMscf/mo MW 21.190 Ib/Ib-mol 0.002 MMscf/d mole% MW Ibx/Ibmol mass fraction E lb/hr lb/yr tpy Helium 0 4.0026 0.000 0.000 Helium 0.0 0 0.00 CO2 0.766 44.01 0.337 0.016 CO2 6.4 56500 28.25 N2 0.5244 28.013 0.147 0.007 N2 2.8 24620 12.31 methane 79.2859 16.041 12.718 0.600 methane 243.3 2131565 1065.78 ethane 9.4925 30.063 2.854 0.135 ethane 54.6 478282 239.14 propane 6.1563 44.092 2.7144 0.128 propane 51.9 454937 227.47 isobutane 0.7326 58.118 0.4258 0.020 isobutane 8.1 71359 35.68 n-butane 1.8929 58.118 1.1001 0.052 n-butane 21.0 184378 92.19 isopentane 0.3808 72.114 0.2746 0.013 isopentane 5.3 46024 23.01 n-pentane 0.3840 72.114 0.2/73 0.013 n-pentane 5.3 464/2 23.24 cyclopentane 0.0332 70.13 0.0233 0.001 cyclopentane 0.4 3902 1.95 n-Hexane 0.0675 86.18 0.0582 0.003 n-Hexane 1.1 9749 4.87 cyclohexane 0.0252 84.16 0.0212 0.001 cyclohexane 0.4 3554 1.78 Other hexanes 0.1269 86.18 0.1094 0.005 Other hexanes 2.1 18329 9.16 heptanes 0.0487 100.21 0.0488 0.002 heptanes 0.9 8179 4.09 methylcyclohexane 0.0194 98.19 0.0190 0.001 methylcyclohexane 0.4 3193 1.60 224-TMP 0 114.23 0.0000 0.000 224-TMP 0.0 0 0.00 _Benzene 0.0101 78.12 0.0079 0.000 Benzene 0.2 1322 0.66 Toluene 0.0066 92.15 0.0061 0.000 Toluene 0.1 1019 0.51 Ethylbenzene 0.0003 106.17 0.0003 0.000 Ethylbenzene 0.0 53 0.03 Xylenes 0.0016 106.17 0.0017 0.000 'Xylenes 0.0 285, 0.14 C8+Heavies 0.0445 103.199 0.0459 0.002 C8+Heavies 0.9 7697 3.85 VOC mass fraction: 0.2423 Total VOC Emissions(Uncontrolled) 430.2 21.190 annual limit assuming 95%control 21.5 Notes monthly limit assuming 95%control(lb/mo.) 3654.0 Mole%,MW,and mass fractions from Gnatt Hill 1-29 Pack MVS&Fuelgas analysis collected4/11/2015. Emissions are based on 8760 hours of operation per year. Operator calculated 430.08 I HY uncontrolled VUC. I his could be I calculated the average MW of C8+based on the average MW on the analysis for the gas. due to rounding in the calculations. I will accept 430.08 TPY uncontrolled because controlled is the same at 21.50 TPY VOC. Produced Natural Gas Venting/Flaring Preliminary Analysis Colorado Department of Public Health and Environment Air Pollution Control Division Flaring Information Equipment Description Flare to combust low-pressure separator gas during VRU downtime. Manufacturer TCI 4000 Model Serial Number 4000-95 Gas Heating Value 1138 Btu/scf Throughput 72285.76 MMBtu/yr Combustion emission factor source: AP-42:Chapter 13.5 0.068Ilb NOX/MMBtu j 0.31 lb CO/MMBtu 2.46 tpy NOX 11.20 tpy CO Emissions Summary 2.5 tpy NOX Uncontrolled/PTE 11.2 tpy CO 430.2 tpy VOC Operator= 430.08 TPY VOC Controlled 21.5 tpy VOC EF= 13541.5617 lb/mmscf Uncontrolled uncontrolled Scenario A Controlled Operator EF" Total(Ib/yr) (lb/yr) Reportable? Total(Ib/yr) controlled(Ib/yr) (lb/mmscf) Benzene 1322 1321 Yes 66 66 20.7966 Toluene 1019 1018 Yes 51 51 16.0264 Ethylbenzene 53 53 No 3 3 0.8344 Xylenes 285 284 Yes 14 14 4.4710 n-hexane 9749 9737 Yes 487 487 153.2903 224-TMP 0 0 No 0 0 0.0000 'Using operators emissions 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 3 An APEN is required for this source because uncontrolled VOC emissions exceed Part A: two tons per year in an attainment area. A permit is required for this source because uncontrolled VOC emissions from this facility exceed five tons per year in an attainment area. Part B: This source is not subject to Section III.D.2(Minor Source RACT)because it is not located in a nonattainment area. Is public comment Public Comment Required M required? 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