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Home My WebLink About20161649.tiff , ,, � CDPHE COLORADO CO trf Department of Public Health&Environment Dedicated to protecting and improving the health and environment of the people of Colorado RECEIVED Weld County - Clerk to the Board 1150 0 St MAY 1 9 2016 PO Box 758 Greeley, CO 80632 WELD COUNTY COMMISSIONERS May 16, 2016 Dear Sir or Madam: On May 18, 2016, the Air Pollution Control Division will begin a 30-day public notice period for Bill Barrett Corporation - 19005_CB Rudd 6-61-18_19 SW7 Pad. 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, .4444- i, A-- '', 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/cdpl John W. Hickenlooper, Governor I Larry Wolk,MD MSPH, Executive erectoqio Chief Medical Offic 2016-1649 CO: `191.-�Plid,Zi/Atd. `e‘)41-4) .��G.15- /6 A CDPHE Air Pollution Control Division flIFN CO Notice of a Proposed Project or Activity Warranting Public Comment Website Title: Bill Barrett Corporation - 19005_CB Rudd 6-61-18_19 SW7 Pad - Weld County Notice Period Begins: May 18, 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: 19OO5_CB Rudd 6-61-18_19 SW7 Pad Oil and gas production facility SWSW Sec 7 T6N R61W Weld County The proposed project or activity is as follows: Applicant will operate a single-well production facility including emissions from gas/liquid separators during collection system downtime and displaced vapors during truck loadout of produced liquids. Produced gas from the gas/liquid separators is flared or routed to an enclosed combustor during collection system downtime. 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 15WE0765 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 1 IAliar COLORADO vxn« `°P" Construction Permit CO Air Pollution Control Division Permit number: 15WE0765 Issuance: 1 Date issued: Issued to: Bill Barrett Corporation Facility Name: 19005_CB Rudd 6-61-18_19 Pad Plant AIRS ID: 123/9DCF Physical Location: SWSW Sec 7 T6N R61 W County: Weld County General Description: Well Production Facility Equipment or activity subject to this permit: Facility AIRS Emissions Equipment Point Equipment Description Control ID Description Condensate 001 Truck loadout of condensate. Emissions from the loadout None Loadout are not controlled. One (1) heated low pressure separator (heater treater) and two (2) vapor recovery towers (VRTs) controlled by enclosed combustors (ECDs) during downtime of the gas Enclosed VRU Bypass 002 gathering system. Emissions are a function of condensate Combustor throughput while emissions bypass the vapor recovery units (VRUs). ECDs have a minimum control efficiency of 95%. Backup gas flare for when gas produced from one (1) 3- Backup Gas 003 phase high pressure separator is not able to be routed to Open Flare Flare the gathering system. 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 the specific 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 of the latter of commencement of operation or issuance of this permit, by submitting a Notice of Startup form to the Division for the equipment covered by this permit. The Notice of Startup form may be downloaded online at www.colorado.gov/pacific/cdphe/other-air-permitting- Storage Tank Version Syn Minor 2015-1 Page 1 of 11 • e- F. re o n fy e Divisi of startup of the permitted source is a violation of Air suali • in • •m ' •` AQC "' -•ulation Number 3, Part B, Section III.G.1. and can result in the revocation of the permit. 2. Within one hundred and eighty days (180) of the latter of commencement of operation or 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. A self certification form and guidance on how to self-certify compliance as required by this permit may be obtained online at www.colorado.gov/pacific/cdphe/air-permit-self-certification. (Regulation Number 3, Part B, Section 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. (Regulation Number 3, Part B, Section 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. (Regulation Number 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. (Regulation Number 3, Part B, Section II.A.4.) ) Annual Limits: Facility AIRS Tons per Year Emission Equipment ID Point PM2.5 NO, VOC CO Type Condensate 001 --- --- 4.9 --- Point Loadout VRU Bypass 002 --- --- 5.5 --- Point Backup Gas 003 --- 1.0 9.4 4.3 Point Flare Note: 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 not exceed 8.0 tons per year. Facility-wide emissions of total hazardous air pollutants shall not exceed 20.0 tons per year. The facility-wide emissions limitation for hazardous air pollutants shall apply to all permitted emission units at this facility. "HE COLORADO Air Pollution Control Division oubt lom:.f._->rronr,nl Page 2 of 11 Ill A 1pli c it th nn l limit for both criteria and hazardous air pollutants, shall be Teter ` -d • : ro • "-lve ( onth 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 actual emissions each month and keep a compliance record on site or at a local field office with site responsibility for Division review. 7. The emission points in the table below shall be operated and maintained with the emissions control equipment as listed in order to reduce emissions to less than or equal to the limits established in this permit. (Regulation Number 3, Part B, Section III.E.) Facility AIRS Control Device Pollutants Equipment ID Point Controlled VRU Bypass 002 Enclosed Combustors VOC and HAPs Backup Gas 003 Open Flare (Make: Steffes, Model: DHPHC, VOC and HAPs Flare SN#:TBD) 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 operator and made available to the Division for inspection upon request. (Regulation Number 3, Part B, II.A.4.) Process Limits Facility AIRS Process Parameter Annual Limit Equipment ID Point Condensate 001 Condensate Loaded 46,460 barrels Loadout VRU Bypass 002 Condensate throughput to separators 11,615 barrels during VRU downtime Backup Gas 003 Natural gas vented to the open flare 21.0 MMSCF Flare 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. - 9. Point 002: The owner or operator shall continuously monitor and record VRU downtime while emissions are routed to the backup Enclosed Control Devices using a SCADA (supervisory control and data acquisition) system. For the purposes of this permit, VRU downtime shall be defined as the period of time that emissions bypass the VRU and are routed to the enclosed combustors. The owner or operator shall use monthly VRU downtime records, monthly condensate throughput records and calculation methods detailed in the OEtM Plan to demonstrate compliance with the process and emissions limits specified in this permit. 10. Point 003: The owner or operator shall continuously monitor and record the volumetric flow rate of natural gas flared from the high-pressure separator(s) using a flow meter. The flow meter shall continuously measure flow rate and record total volumetric flow routed to the open flare from the separators. The owner or operator shall use monthly throughput records to 4,, cA COLORADO CO e Air Pollution Control Division c.ff Mt of...AA, 7e.,s E-;v1TOTIr'nr Page 3 of 11 po_ on a c pli a ith th-$°process limits specified and to calculate emissions as •escn in er . STATE AND FEDERAL REGULATORY REQUIREMENTS 11. This source is subject to the odor requirements of Regulation Number 2. (State only enforceable) 12. Point 001: This source is located in an ozone non-attainment or attainment-maintenance area and is subject to the Reasonably Available Control Technology (RACT) requirements of Regulation Number 3, Part B, III.D.2.a. Condensate loading to truck tanks shall be conducted by submerged fill. (Reference: Regulation 3, Part B, III.E) 13. Point 001: All hydrocarbon liquid loading operations, regardless of size, shall be designed, operated and maintained so as to minimize leakage of volatile organic compounds to the atmosphere to the maximum extent practicable. 14. Point 001: 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 onsite at the time of inspections to monitor compliance with this condition. The inspections shall occur at least monthly. Each inspection shall be documented in a log available to the Division on request. 15. Point 002 and 003: The permit number and ten digit AIRS ID number assigned by the Division (e.g. 123/4567/001) shall be marked on the subject equipment for ease of identification. (Regulation Number 3, Part B, Section III.E.) (State only enforceable) 16. Point 002: The control equipment covered by this permit is subject to Regulation Number 7, Section XVII.B.2. General Provisions (State only enforceable). If a flare or other 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. This flare must be equipped with an operational auto-igniter according to the following schedule: • All combustion devices installed on or after May 1, 2014, must be equipped with an operational auto-igniter upon installation of the combustion device; • 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. 17. Point 002 and 003: The separator(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. 18. Point 003: The open flare covered by this permit has been approved as an alternative emissions control device under Regulation Number 7, Section XVII.B.2.e. The open flare must 4, Di. E COLORADO CO Adz Pollution Control Division 's ue„arcmert,r utaF:::}lee- Page 4 of 1 all 1 A . no, i e iss s . ring no al operations and be designed so that an observer can, by - can`°• i"I I. :`.se v. •"'p rom "'- outside of the open flare, or by other convenient means approved by the Division, determine whether it is operating properly. This open flare must be equipped with an operational auto-igniter according to the following schedule: • All combustion devices installed on or after May 1, 2014, must be equipped with an operational auto-igniter upon installation of the combustion device; • 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. OPERATING Et MAINTENANCE REQUIREMENTS 19. Point 002 and 003: Upon startup of these points, the owner or operator shall follow the most recent operating and maintenance (0&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 the O&M plan are subject to Division approval prior to implementation. (Regulation Number 3, Part B, Section III.G.7.) COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 20. Point 002 and 003: The owner or operator shall demonstrate compliance with opacity standards, using EPA Reference Method 22, 40 C.F.R. Part 60, Appendix A, 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 minute in any fifteen minute period during normal operation. (Regulation Number 7, Sections XVII.B.2. and XVII.A.16) Periodic Testing Requirements 21. Point 002 and 003: The owner or operator shall demonstrate compliance with opacity standards, using EPA Reference Method 22, 40 C.F.R. Part 60, Appendix A, on a weekly basis 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 minute in any fifteen minute period during normal operation. (Regulation Number 7, Sections XVII.B.2. and XVII.A.16) ADDITIONAL REQUIREMENTS 22. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Regulation Number 3, Part A, II.C.) • Annually by April 30`h 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 NOx 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 GDPHE COLORADO 1.1 CO el Air Pollution Control Division ',Ur-,..r:rw -r.A1,1_ii� ::;r,,, ,-;,_•,l Page 5 of 11 r on- repo e 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. • Whenever there is a change in the owner or operator of any facility, process, or activity; or • Whenever new control equipment is installed, or whenever a different type of control equipment replaces an existing type of control equipment; or • Whenever a permit limitation must be modified; or • No later than 30 days before the existing APEN expires. 23. 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 Number 3, Parts C and D). GENERAL TERMS AND CONDITIONS 24. 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 Number 3, Part B, Section II.B. upon a request for transfer of ownership and the submittal of a revised APEN and the required fee. 25. 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 Number 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. 26. 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. • 27. 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. 28. 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. CDPHE COLORADO co � Air Pollution Control Division f R;`SY_1 tip o,. Page 6 of 11 I 29. 0 5 11 '7(2 -), !.RS ruires that all sources required to file an Air Pollution miss:�""` • - (A• • 'st p., 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. 30. 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 cWE COLORADO Air Pollution Control Division ��,,..e Page 7 of 11 No -- • -r -- . th- -, this , it 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 perri it 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. (Regulation Number 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: https://www.colorado.gov/pacific/cdphe/aqcc-reps 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. AIRS Uncontrolled Controlled Point Pollutant CAS# Emissions Emissions (Ib/yr) (Ib/yr) Benzene 71432 36 N/A 001 n-Hexane 110543 182 N/A Benzene 71432 1248 62 Toluene 108883 1089 54 Ethylbenzene 100414 184 9 002 Xylenes 1330207 372 19 n-Hexane 110543 6574 329 2,2,4- 540841 1136 57 Trimethylpentane Benzene 71432 745 37 Toluene 108883 403 20 Ethylbenzene 100414 24 1 003 Xylenes 1330207 24 1 n-Hexane 110543 7043 352 2,2,4- 540841 837 42 Trimethylpentane Note: All non-criteria reportable pollutants in the table above with uncontrolled emission rates above 250 pounds per year (lb/yr)are reportable and may result in annual emission fees based on the most recent Air Pollution Emission Notice. ` COPHE COLORADO CO Air Pollution Control Division i zrtiEle!<,; ,:r„,,,:;,. Page 8 of 11 0 5) �� psi t_his :nta' ed this pe it are based on the following emission factors: Point 001: Emission Factors - Emission Factors - Uncontrolled Controlled CAS Pollutant lb/BBL loaded Source Lb/BBL loaded Source VOC 0.2080 AP-42 --- --- The uncontrolled VOC emission factor was calculated using AP-42, Chapter 5.2, Equation 1 (version 1/95) using the following values: L= 12.46*S*P*M/T S = 0.6 (Submerged loading: dedicated normal service) P (true vapor pressure) = 5.2 psia M (vapor molecular weight) = 66 lb/lb-mol T (temperature of liquid loaded) = 518 °R The uncontrolled non-criteria reportable air pollutant (NCRP) emission factors were calculated by multiplying the mass fraction of each NCRP in the sales oil composition (calculated using Hysys). Emissions from the loadout are not controlled. Point 002: Weight Weight Uncontrolled Controlled Fraction of Fraction of Emission Emission CAS# Pollutant Heater VRT Gas Factors Factors Source Treater Gas (%) lb/bbl lb/bbl (%) NOx --- --- --- 0.017 CDPHE CO --- --- --- 0.078 CDPHE VOC 71.66 71.17 18.77 0.94 71432 Benzene 0.42 0.26 0.107 0.005 108883 Toluene 0.37 0.18 0.094 0.005 100414 Ethylbenzene 0.06 0.02 0.016 0.001 ProMax 1330207 Xylene 0.13 0.05 0.032 0.002 110543 n-Hexane 2.21 1.34 0.566 0.028 540841 2,2,4- 0.38 0.20 0.098 0.005 Trimethylpentane Note: The uncontrolled VOC and HAP emissions for this point were calculated using a ProMax simulation that utilized a site-specific pressurized liquid sample. The controlled VOC and HAP emissions factors are based on the combustor control efficiency of 95%. NOx and CO emission factors were converted from units of lb/MMBTU to lb/bbl using a waste gas HHV of 2216 Btu/cf. Point 003: Weight Uncontrolled Controlled Fraction of Emission Emission CAS# Pollutant Gas (%) Factors Factors Source lb/MMSCF lb/MMSCF NOx --- --- 90.37 AP 42 CO --- --- 411.99 p� p VOC 28.8 17470.00 873.50 Gas Analysis DP HE- COLORADO co Alt Pollution Control Division • h^;ar:,Lt Puk3C,.1 lear ..;-GVL U3 -It Page Page 9 of 11 Wei• t Uncontrolled Controlled racti• of Emission Emission CAS# Pollutant Source Gas (%) Factors Factors lb/MMSCF lb/MMSCF 71432 Benzene 0.06 35.45 1.77 108883 Toluene 0.03 19.208 0.96 100414 Ethylbenzene 0.01 1.121 0.06 1330207 Xylene 0.01 1.121 0.06 110543 n-Hexane 0.54 335.40 16.77 540841 Trimethylpentane 0.06 39.79 1.99 Note: The uncontrolled VOC and HAP emissions for this point were calculated using a site-specific sample of gas vented from the inlet separator. The controlled VOC and HAP emissions factors are based on the combustor control efficiency of 95%. NOx and CO emission factors were converted from units of lb/MMBTU to lb/MMscf using a waste gas HHV of 1329 Btu/scf and the requested volume. 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 permit fulfills the requirement to hold a valid permit reflecting the storage tank and associated control device per the Colorado Oil and Gas Conservation Commission rule 805b(2)(A) when applicable. 8) This facility is classified as follows: Applicable Status Requirement Operating Permit Synthetic Minor Source of: VOC NANSR Synthetic Minor Source of: VOC 9) 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 CDPNE COLORADO CO Air Pollution Control.Bxviston rx ,1 0.4k 1 fe E„1 0£,'„ Page 10 of 11 h • .3 •:IklF S .rt NNNNN - Subpart XXXXXX * COP COLORADO co Bur Pollution Control Division - De-,;an,,,,;,yutak;Health NUu.r ,t Page 11 of 11 Colorado Air Permitting Project Project Details Review Engineer: Bradley Eades Package#: 329543 Received Date: 4/28/2015 10/-5/ . Review Start Date: 4/14/2016 Section 01-Facility Information Company Name: Bill Barrett Corporation County AIRS ID: 123 Plant AIRS ID: 9DCF Facility Name: 19005_CE Rudd 6-61-18_19 SW7 Pad Physical Address/Location: SWSW Sec 7,T6N,R61W Type of Facility: Exploration&Production Well Pad What industry segment? Oil&Natural Gas Production&Processing Is this facility located in a NAAQS non-attainment area? Yes If yes,for what pollutant? ❑Carbon Monoxide(CO) ❑Particulate Matter(PM) Q Ozone(NOx&VOC) Section 02-Emissions Units In Permit Application Emissions Self Cert AIRs Point# Emissions Source Type Permit# Issuance# Action Engineering Remarks Control? Required? Permit Initial 001 Hydrocarbon Liquid Loading No 15WE0765 1 yes Issuance Condensate Permit initial 002 Separator ventieell . Yes 15WE0765 1 Yes Issuance VRT/heater treater HP venting to Permit Initial "emergency"open 003 Separatorven ng • "Yes 15WE0765 1 D,r Issuance flare Section 03-Description of Project The 19005_CB Rudd 6-61-18_19 SW7 Pad is a single-well production facility located in the NM of Weld County.Produced hydrocarbon fluids flow to an inlet 3-phase separator.Produced water flows to storage tanks and gas is routed to sales pipeline.During downtime of the sales pipeline,gas from the inlet separator is routed to the"backup"open flare(AIRS 003).Hydrocarbon liquid from the inlet separator flows first to a 2-phase"heated flash gas separator"and then to a VRT prior to storage in condensate tanks.Vapors generated in the heater-treater and VRT are routed to a VRU knowckout scrubber.Ideally the knowckout scrubber directs gas to(3)three on-site vapor recovery units which recompress the gas into the sales pipeline,During VRU and/or sales pipeline downtime(AIRS 002),the knowckout scrubber opens a dump valve that directs gas to three(3)enclosed combustors.Bill Barrett Corp.submitted information requesting approval of the open flare as an alternative emission control device per Reg 7 XVII. Both sets of storage tanks for PW and condensate are concurrently applying for GP08.Emissions of VOC from fugitive component leaks are subject to Reg 7 LDAR and emissions are exempt from APEN requirements. Section 04-Public Comment Requirments Is Public Comment Required? Yes If yes,why?' Greater than 25 tons per year in Non Attainment Area Section 05-Ambient Air Impact Analysis Requirements Was a quantitative modeling analysis required?2 I % • %i If yes,for what pollutants? If yes,attach a copy of Technical Services Unit modeling results summary. Section 06-Facility-Wide Stationary Source Classification Is this stationary source a true minor? No Is this stationary source a synthetic minor? Yes If yes,explain what programs and which pollutants here: ..o Prevention of Significant Deterioration(PSD):Minor source - Title V Operating Permits(OP):VOC Colorado Air Permitting Project Non-Attainment New Source Review(NANSR):VOC Is this stationary source a major source? No If yes,explain what programs and which pollutants here: 001 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 P True Vapor Pressure 5.2 psia Sales Oil Analysis M Molecular Weight of Vap 66 lb/lb-mole AP-42 T Liquid Temperature 518.16 deg. R Field Data L 4.95 lb/10^3 gal 2.08E-01 lb/bbl Annual requested Throughput 46460 BBL/yr 1951320 gal/yr Annual requested VOC emissions 9662 lb/yr 4.83 tpy Control: None Efficiency: 0.00% NCRPs Component Mass Fraction Benzene 0.0037 n-hexane 0.0189 Toluene 0.0025 Xylenes 0.0006 Source: Pressurized oil or Stable Sales Oil Analysis Emissions Summary Table Pollutant Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 0.2080 lb/bbl 4.83 tpy 4.83 tpy AP-42 Benzene 0.0008 lb/bbl 35.6 lb/yr 35.6 lb/yr AP-42 n-Hexane 0.0039 lb/bbl 182 lb/yr 182 lb/yr AP-42 Toluene 0.0005 lb/bbl 24 lb/yr 24 lb/yr AP-42 Xylenes 0.0001 lb/bbl 6 lb/yr 6 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 One(1)heated low pressure separator(heater treater)and two(2)vapor recovery towers(VRTs)controlled by enclosed 002 combustion devices(ECDs)during downtime of the gas gathering system.ECDs have a minimum control efficiency of 95%. Equipment ID: VRU Bypass 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. Emission Calculation Review A pressurzed liquid sample was collected from the Rudd 6-61-18 facility on 2/2/2015 from the outlet of the 3-phase separator (upstream of the heater treater 200psig/124F).A ProMax model was run using the sampled composition and conditions at the inlet of the 2-phase low pressure separator(heater-treater)and modeled emissions from the heater treater"Flash Gas to VRU"and VRT "VRT gas to VRU"based on a liquid througput of 1 bbl/d.The lb/hr emission streams from the LP heater-treater and the VRT as calcualted by ProMax are combined in the table below.A lb/bbl emission factor is calculated by dividing the lb/hr emission rate by the liquid througput used in the model(1 bbl/d).Emissions are calculated based on the calculated lb/bbl emission factor and the requested limits. Calculations ProMax modeled throughput: 365.00 bbl/yr 1 bbVd ProMax Stream "VRT qas to VRU"(Based onPressurized CB Rudd 6-61-18 0263BH2 sample 2-02-2015) Vapor Vol Flow: 5.22E-01 ft^3/hr GOR: 12.5 ft^3/bbl HHV: 2227.2 btu/scf Pollutant Emissions rate(ProMax) Emissions rate VOC 0.04725 lb/hr 413.91 lb/yr 1.13 lb/bbl Benzene 0.00017 lb/hr 1.51987752 lb/yr 4.16E-03 lb/bbl Toluene 0.00012 lb/hr 1.0450242 lb/yr 2.86E-03 lb/bbl Ethylbenzene 0.00002 lb/hr 0.13916136 lb/yr 3.81E-04 lb/bbl Xylenes 0.00003 lb/hr 0.266672796 lb/yr 7.31E-04 lb/bbl n-Hexane 0.00089 lb/hr 7.796181 lb/yr 2.14E-02 lb/bbl 2,2,4-TMP 0.00013 lb/hr 1.14959232 lb/yr 3.15E-03 lb/bbl ProMax Stream "Flash Gas to VRU"(Based onPressunzed CB Rudd 6-61-18 0263BH2 sample 2-02-2015) Vapor Vol Flow: 3.01E+00 ft^3/hr GOR: 72.1 ft^3/bbl HHV: 2214.1 btu/scf Pollutant Emissions rate(ProMax) Emissions rate VOC 0.73472 lb/hr 6436.155084 lb/yr 17.63 lb/bbl Benzene 0.00430 lb/hr 37.69647 lb/yr 0.10 lb/bbl Toluene 0.00379 lb/hr 33.1832304 lb/yr 0.09 lb/bbl Ethylbenzene 0.00065 lb/hr 5.65279296 lb/yr 0.02 lb/bbl Xylenes 0.00130 lb/hr 11.42359188 lb/yr 0.03 lb/bbl n-Hexane 0.02269 lb/hr 198.796812 lb/yr 0.54 lb/bbl 2,2,4-TMP 0.00394 lb/hr 34.5504912 lb/yr 0.09 lb/bbl TOTAL Vapor Vol Flow: 3.53E+00 f^3/hr GOR 84.7 ft^3/bbl Weighted HHV: 2216.0 btu/11^3 Pollutant Emissions rate(ProMax) Emissions rate Uncontrolled Emissions Factor VOC 0.78197 lb/hr 6850.065084 lb/yr 18.77 lb/bbl Benzene 0.00448 lb/hr 39.21634752 lb/yr 0.11 lb/bbl Toluene 0.00391 lb/hr 34.2282546 lb/yr 0.09 lb/bbl Ethylbenzene 0.00066 lb/hr 5.79195432 lb/yr 0.02 lb/bbl Xylenes 0.00133 lb/hr 11.69026468 lb/yr 0.03 lb/bbl n-Hexane 0.02358 lb/hr 206.592993 lb/yr 0.57 Ib/bbl 2,2,4-IMP 0.00408 lb/hr 35.70008352 lb/yr 0.10 lb/bbl 15WE0765.CP1.xlsm One(1)heated low pressure separator(heater treater)and two(2)vapor recovery towers(VRTs)controlled by enclosed 002 combustion devices(ECDs)during downtime of the gas gathering system.ECDs have a minimum control efficiency of 95%. REQUESTED LIMITS Total throughput to VRT: 46,460 bbVyr collection system downtime: 25%(VRU downtime) Throughput during downtime: 11,615 I bbl/yr Flaring Information Equipment Description Three(3)Enclosed combustors to control separator gas during collection system downtime. Manufacturer Cimarron Model 48" Serial Number TBD Control Efficiency 95.00% Gas to ECDs 0.984 MMscf/yr Gas HHV 2216.02 Btu/scf *Heat Throughput 2922.48 MMBtu/yr *Heat throughput includes an additional 743 Mmbtu/yr due to apportioned emissions from pilot fuel in ECD's Combustion emission factor source: AP-42 Chapter 13.5-1 0.0680 Ilb NOXMMbtu 0.3100 Ilb CO/MMbtu Emissions Summary Table Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 18.767lIb/bbl 0.938 lb/bbl 108.99 spy 5.45 tpy ProMax Nox 0.017 lb/bbl 0.017 lb/bbl 0.10 tpy 0.10 tpy AP-42 CO 0.078 lb/bbl 0.078 lb/bbl 0.45298 spy 0.45 tpy AP-42 Benzene 0.107 lb/bbl 0.00537 lb/bbl 1,247.94 lb/yr 62 lb/yr ProMax Toluene 0.094 I6/bbl 0.00469 lb/bbl 1,089.21 lb/yr 54 lb/yr ProMax Ethylbenzene 0.016 lb/bbl 0.000793 lb/bbl 184.31 lb/yr 9 lb/yr ProMax Xylenes 0.032 lb/bbl 0.00160 lb/bbl 372.01 lb/yr 19 lb/yr ProMax n-Hexane 0.566 lb/bbl 0.02830 lb/bbl 6,574.19 lb/yr 329 lb/yr ProMax 2,2,4-IMP 0.098 lb/bbl 0.00489 lb/bbl 1,136.05 lb/yr 57 lb/yr ProMax 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 NOTES: ""Confirmed with applciant that the wellserviced by this VRT&Heater Treater(separators)began producing after August 1,2014.(01/27/2015).Therefore this equipmpent is not currently subject to XVII.G.control requirements. **Based on prior discussions with BBC,they have requested to monitor compliance using the condensate throughput to the VRT and LP heated separator during VRU(collection system)downtime.Operating and maintenance plan outlines monitoring requirements and calculations that shall be used to calculate throughput during collection downtime,and monitoring requirements.Automated sensors(SCADA)shall monitor and record the amount of time that the valve is open allowing gas to the backup ECDs. ""Based on prior dicussions with BBC,the emissions from both the LP heated separator and VRT will be grouped as a single emissions point since the process setu p allows for the same liquid througput and VRU downtime for each emissions point.The modeled emission rate from each emission stream is being accepted as for compliance monitoring because the sample is based on a site specific sample upstream of the modeled emissions streams. ""Applicant calculated emissions of NOx and CO based on the vapor volumetric flow(ft^3/hr)from Promax.This is appropriate because the Net Heating Value was calculated from Promax in units of btu/ft^3.It should be noted that the GOR in units of SCF/bbl is significantly larger than the values represented above.These values are not included as per mit limits since they are below APEN thresholds. 15WE0765.CF1.xlsm One(1)3-phase high pressure separator controlled by an open flare during collection system downtime. 003 Flare has a minimum control efficiency of 95%. Equipment Description This source vents natural gas from: a well head separator Emissions from this source are: routed to a flare Natural gas venting from a well head separator.Emissions from this source are routed to a flare. Calculations Emission Calculation Method EPA Emission Inventory Improvement Program Publication:Volume II,Chapter 10-Displacement Equation(10.4-3) Ex=Q*MW*Xx/C Ex=emissions of pollutant x Q=Volumetric flow rate/volume of gas processed MW=Molecular weight of gas=SG of gas*MW of air Xx=mass fraction of x in gas C=molar volume of ideal gas(379 scf/Ib-mol)at 60F and 1 atm Throughput(Q) 21.0 MMscf/yr 2397.260274 scf/hr MW 23.4 Ib/Ib-mol 0.057534247 MMscf/d mole% MW lbx/Ibmol mass fraction lb/hr lb/yr tpy Helium 4.0026 0.000 0.00% 0.00 0.00 0.00 CO2 2.85 44.01 1.253 5.35% 7.92 69405.98 34.70 N2 0.78 28.013 0.220 0.94% 1.39 12169.02 6.08 methane 70.4.4 16.041 11.299 48.29% 71.47 626084.17 313.04 ethane 12.93 30.063 3.888 16.61% 24.59 215409.41 107.70 propane 8.19 44.092 3.610 15.43% 22.84 200037.96 100.02 isobutane 0.79 58.118 0.459 1.96% 2.91 25449.70 12.72 n-butane 2.39 58.118 1.390 5.94% 8.79 77038.25 38.52 isopentane 0.47 72.114 0.341 1.46% 2.16 18895.96 9.45 n-pentane 0.59 72.114 0.424 1.81% 2.68 23475.10 11.74 cyclopentane 0.00 70.13 0.000 0.00% 0.00 0.00 0.00 n-Hexane 0.15 86.18 0.127 0.54% 0.80 7043.34 3.52 cyclohexane 0.03 84.16 0.028 0.12% 0.18 1557.52 0.78 Other hexanes 0.21 86.18 0.177 0.76% 1.12 9817.70 4.91 heptanes 0.10 100.21 0.102 0.43% 0.64 5635.82 2.82 methylcyclohexane 0.02 98.19 0.023 0.10% 0.15 1300.31 0.65 224-TMP 0.01 114.23 0.015 0.06% 0.10 835.48 0.42 Benzene 0.02 78.12 0.013 0.06% 0.08 744.51 0.37 Toluene 0.01 92.15 0.007 0.03% 0.05 403.37 0.20 Ethylbenzene 0.00 106.17 0.000 0.002% 0.00 23.53 0.01 Xylenes 0.00 106.17 0.000 0.002% 0.00 23.53 0.01 C8+Heavies 0.02 137.5315438 0.022 0.09% 0.14 1219.28 0.61 VOC mass tad 28.81% Total VOC(Uncontrolled) 186.75 Notes Mole°/0,MW,from 19005_CB Rudd 6-61-18-0263BH2 gas analysis collected 02/02/2015. Emissions are based on 8760 hours of operation per year. I calculated the average MW of C8+based on the average MW on the analysis for the gas. 15WE0765.CP1.xlsm E0765.CP1.xlsm One(1)3-phase high pressure separator controlled by an open flare during collection system downtime. 003 Flare has a minimum control efficiency of 95%. Flaring Information Equipment Description Flare to combust low-pressure separator gas during VRU downtime. Manufacturer Steffes Model DHPHC Serial Number TBD Gas Heating Value 1329 Btu/scf Throughput 27909 MMBtu/yr Pilot Flow 0.364416 MMscf/yr VRU Information THIS SOURCE DOES NOT UTILIZE A VRU Equipment Description Make Model Requested Control Efficiency Annual Bypass Time Backup Overall Control 95.00% Combustion emission factor source: AP-42:Chapter 13.5 0.07 Ilb NOX/MMBtu 0.31 Ilb CO/MMBtu Emissions Summary Table Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source *V0C 17786 lb/MMscf 889.29 lb/MMscf 186.8 tpy 9.34 tpy Gas Analysis Nox 90.37 lb/MMscf 90.37 lb/MMscf 0.9 tpy 0.9 tpy AP-42 CO 411.99 lb/MMscf 411.99 lb/MMscf 4.3 tpy 4.3 tpy AP-42 Benzene 35.45 lb/MMscf 1.77 lb/MMscf 745 lb/yr 37 lb/yr Gas Analysis n-Hexane 335.40 lb/MMscf 16.7699 lb/MMscf 7043 lb/yr 352 lb/yr Gas Analysis Toluene 19.208 lb/MMscf 0.9604 lb/MMscf 403 lb/yr 20 lb/yr Gas Analysis Xylenes 1.121 lb/MMscf 0.0560 lb/MMscf 24 lb/yr 1 lb/yr Gas Analysis Ethylbenzene 1.121 lb/MMscf 0.0560 lb/MMscf 24 lb/yr 1 lb/yr Gas Analysis 2,2,4-TMP 39.785 lb/MMscf 1.9892 lb/MMscf 835 lb/yr 42 lb/yr Gas Analysis *NOTE:Emissions of VOC calculated in the application vary insignificantly from the value represented above due to rounding&addition of pilot fuel.The value calculated by,the applicant will be used in the permit as follows: Pollutant Uncontrolled Emission Factor Controlled Emission Factor Uncontrolled Emissions Controlled Emissions Source VOC 17470.00 I lb/MMscf 873.50 lb/MMscf 186.61817 tpy 9.33 tpy 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 Analysis Notes: *The open flare used to combust gas is being used to control a separator that is subject to XVII.G.Applicant included information in application that fulfills the required information for the altern ative emission control device request form. Flare is being approved as an alternative emission control device per XVII.B since flare is used as"backup"control scenario to the gas collection system.Also,the flare will operate in compliance with the remaining requirements of control devices per XVII.B. Appicant was not required to fill out an Alternative Emission Control Device request form since the application was submitted prior to its publishing.onto the Division website. *Applicant indicated that the"backup"flare will be operated with a manually lit pilot light,however applicant has indicated the valve must be manually opened in order for gas to go to the flare and therefore will ensure the pilot is lilt and the auto-igniter functional whenever vapors are routed to it. *Initially applicant was requesting the entirety of the gas produced from the HP separator be permitted under this AIRS ID,however it was communicated that this would not be interpreted as a backup control device in that case and further analysis would need to be done for determining approval of the open flare as an alternative control device per XVII.As a result,Rusty Frishmuth indicated that BBC is comfortable requesting 21MMscf/yr(i.e.15%downtime)in order to more accurately represent projected operation. 15WE0765.CP1.xlsm E0765.CP1.xlsm COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION CONTROL DIVISION FACILITY EMISSION SUMMARY Company Name Bill Barrett Corporation County AIRS ID 123 History File Edit Date 4/27/2016 Plant AIRS ID 9DCF Ozone Status Non-Attainment Facility Name - 19005 CB Rudd 6-41-18 19 EMISSIONS-Uncontrolled(tons per year) EMISSIONS With Controls(tons per year) POINT PERMIT Description PM10 PM2.5 H2S SO2 NOB VOC Fug CO Total PM10 PM2.5 H2S 302 NO0 VOC Fug CO Total REMARKS AIRS VOC HAPs VOC HAPs ID Previous FACILITY TOTAL 0.0 0.0 0.0 , 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 New Facility-No Previous Total Previous Permitted Facility total 0.0 00 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 001 15WE0765 Loadout 4.9 0.1 4.9 0.1 New CP 002 15WE0765 VRU Bypass(VRT&LP"Heater 109.0 53 0.1 5.5 0.5 0.3 New CP 003 15WE0765 "Baolalp"Flare Inlet HP Separator) 186.2 4.5 0.9 S4 4.3 0.2 New CP 004 GP08 Condensate Storage Tanks 36.1 0.7 0.1 5.9 0.5 0.0 New GP 005 GP08 Produced Water Storage Tanks 18.5 17 0.1 5.9 0.3 0.1 New GP 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 0.0 FACILITY TOTAL 0.0 0.0 0.0 0.0 0.0 354.7 0.0 0.0 12.3 0.0 0.0 0.0 0.0 1.1 31.6 0.0 5.5 0.7 VOC:Syn Minor(NANSR and OP) NOB:Minor(NANSR and OP) CO: Minor(PSI)and OP) HAPS: Minor HH:area source,NO TEG dehy ZZZZ: Minor Permitted Facility Total 0 0 0.0 0.0 0.0 0 0 354.7 0 0 0.0 12.3 0.0 0.0 0.0 0 0 /.1 31.6 0.0 55 0.7 Excludes units exempt from permns/APENs (0)Change in Permitted Emissions 0.0 0.0 00 0.0 1.1 31.6 0.0 5.5 Pubcom&modeling(not)required based on (A change in omissions) Total 000 Fondly Emasions(pant and fugitive) 31.8 Facility 5 eligible for GP02 because<90 toy (Al Change in Total Permitted VOC emissions(point and fugitive) 31.8 Project emissions less than 25/50 tpy Note 1 Facility-wide permB 15WE0765 will go to public comment at this time since permit contains new synthetic minor limns. Note 2 Page 8 of 9 Printed 5/12/2616 COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT AIR POLLUTION DIVISION FACILITY EMISSION SUMMARY-HAPs Company Name Bill Barrett Corporation County AIRS ID 123 Plant AIRS ID 9DCF Facility Name 19005_CB Rudd 6-61-18_19 Emissions-uncontrolled(lbs per year) POINTIPERMIT 'Description Formaldehyde Acetaldehyde Acrolein Benzene Toluene Ethylbenzene Xylenes n-Hexane McOH 224 IMP H2S TOTAL(tpy) Previous FACILITY TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 0.0 001 15WE0765 Loadout 36 182 0.1 002 15WE0765 VRU Bypass(VRT&LP"Heater Treater") 1248 1089 184 372 6574 1136 5.3 003 15WE0765 "Backup"Flare(inlet HP Separator) 745 403 24 24 7043 835 4.5 004 GP08 Condensate Storage Tanks 221 1134 0.7 005 GP08 Produced Water Storage Tanks 825 2593 1.7 0.0 0.0 0.0 0.0 0.0 0.0 0.0 TOTAL(tpy) 0.0 0.0 0.0 1.5 0.7 0.1 0.2 8.8 0.0 1.0 0.0 0.0 12.3 *Total Reportable=all HAPs where uncontrolled emissions>de minimus values Red Text: uncontrolled emissions<de minimus Emissions with controls(lbs per year) POINT'PERMIT 'Description Formaldehyde Acetaldehyde Acrolein Benzene Toluene Ethylbenzene Xylenes n-Hexane McOH 224 IMP H2S TOTAL(tpy) Previous FACILITY TOTAL 0 0 0 0 0 0 0 0 0 0 0 0 0.0 001 15WE0765 Loadout 36 182 0.1 002 15WE0765 VRU Bypass(VRT&LP"Heater Treater") 62.4 54.45 9.2 18.6 328.7 0 56.8 0.3 003 15WE0765 "Backup"Flare(inlet HP Separator) 37.25 20.15 1.2 1.2 352.15 0 41.75 0.2 004 GP08 Condensate Storage Tanks 11 57 0.0 005 GP08 Produced Water Storage Tanks 41 130 0.1 0.0 0.0 0.0 0.0 0.0 0.0 0.0 TOTAL(tpy) 0.0 0.0 0.0 0.1 0.0 0.0 0.0 0.5 0.0 0.0 0.0 0.0 0.7 1 9 15WE0765.CP1.xlsm 5/12/2016 N b U 0 0. 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