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Home My WebLink About20143657.tiff CDP E ' COLORADO CO eri Department of Public Health Et 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 RECEIVED PO Box 7 758 Greeley, CO 80632 November 18, 2014 NOV 2 1 2014 WELD COUNTY COMMISSIONERS Dear Sir or Madam: On November 19, 2014, the Air Pollution Control Division will begin a 30-day public notice period for Noble Energy, Inc. - 415852682. 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 a Environment APCD-SS-B1 4300 Cherry Creek Drive South Denver, Colorado 80246-1530 Attention: Clara Gonzales Regards, /i Clara Gonzales Public Notice Coordinator Stationary Sources Program Air Pollution Control Division Enclosure • .3..0)(11.1-3 to,: Ltt/7Sa 2014-3657 ii-2(0-,_!1 4300 Cherry Creek Drive S., Denver, CO 80246-1530 P 303-692-2000 www.cotorado.gov/cdphe John W. Hickentooper, Governor I Larry Wolk,MD,MSPH, Executive Director and Chief Medical Officer CDPHE Air Pollution Control Division CO If Notice of a Proposed Project or Activity Warranting Public ' Comment Website Title: Noble Energy, Inc. - 415852682 - Weld County Notice Period Begins: November 19, 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: Noble Energy, Inc. Facility: 415852682 Oil and gas exploration and production facility SWNW Section 3, T4N, R65W Weld County The proposed project or activity is as follows: Oil and gas exploration and production facility including condensate tanks, truck loadout and associated fugitive emissions. The Division has determined that this permitting action is subject to public comment per Colorado Regulation No. 3, Part B, Section III.C due to the following reason(s): • permitted emissions exceed public notice threshold values in Regulation No. 3, Part B, Section III.C.1.a (25 tpy in a non-attainment area and/or 50 tpy in an attainment area) • the source is requesting a federally enforceable limit on the potential to emit in order to avoid other requirements The Division has made a preliminary determination of approval of the application. A copy of the application, the Division's analysis, and a draft of Construction Permit 14WE1283 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 Chaousy 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 i AV COLORADO I 11 STATE OF COLORADO 0i 7a COLORADO DEPARTMENT OF PUBLIC HEALTH AND ENVIRONMENT C AIR POLLUTION CONTROL DIVISION y p TELEPHONE:(303)692-3150 »l876,_ CONSTRUCTION PERMIT PERMIT NO: 14WE1283 Issuance 1 DATE ISSUED: ISSUED TO: Noble Energy, Inc. THE SOURCE TO WHICH THIS PERMIT APPLIES IS DESCRIBED AND LOCATED AS FOLLOWS: Oil and gas facility, known as the 415852682, located in the SWNW Section 3, T4N, R65W, in Weld County, Colorado. THE SPECIFIC EQUIPMENT OR ACTIVITY SUBJECT TO THIS PERMIT INCLUDES THE FOLLOWING: Facility AIRS Equipment Point Description ID Tank Three (3) above ground 300 bbl atmospheric condensate Battery 002 storage tanks. Emissions from these tanks are controlled by an enclosed flare. TLO 004 Truck loadout of condensate. Emissions from the loadout are not controlled. Fugitives 005 Equipment leaks (fugitive VOCs)from a natural gas exploration and production facility. 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 see), TO THOSE GENERAL TERMS AND CONDITIONS INCLUDED IN THIS DOCUMENT AND THE FOLLOWING SPECIFIC TERMS AND CONDITIONS: I 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-permitting-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 AIRS ID: 123/9D07 Page 1 of 15 Fugitive SM/M Version 2012-2 olor Depa en li Health and Environment it Pollution Control Division demonstrate ce i da esult ' evocation of the permit. (Reference: Regulation No. 3, Part B, III.G.2). 3. This permit shall expire if the owner or operator of the source for which this permit was issued: (i) does not commence construction/modification or operation of this source within 18 months after either, the date of issuance of this construction permit or the date on which such construction or activity was scheduled to commence as set forth in the permit application associated with this permit; (ii) discontinues construction for a period of eighteen months or more; (iii) does not complete construction within a reasonable time of the estimated completion date. The Division may grant extensions of the deadline per Regulation No. 3, Part B, III.F.4.b. (Reference: Regulation No. 3, Part B, III.F.4.) 4. The operator shall complete all initial compliance testing and sampling as required in this permit and submit the results to the Division as part of the self-certification process. (Reference: Regulation No. 3, Part B, Section III.E.) 5. 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 VOC Emission Type Tank Battery 002 4.1 Point TLO 004 21.4 Point Fugitives 005 9.4 Fugitive See "Notes to Permit Holder"for information on emission factors and methods used to calculate limits. Compliance with the annual limits shall be determined by recording the facility's annual criteria pollutant emissions, (including all HAPs above the de-minimis reporting level) from each emission unit, on a rolling twelve (12) month total. By the end of each month a new twelve-month total shall be calculated based on the previous twelve months' data. The permit holder shall calculate emissions each month and keep a compliance record on site or at a local field office with site responsibility, for Division review. This rolling twelve-month total shall apply to all permitted emission units, requiring an APEN, at this facility. 7. Point 005: The operator shall calculate actual emissions from this emissions point based on representative component counts for the facility with the most recent gas analysis, as required in the Compliance Testing and Sampling section of this permit. The operator shall maintain records of the results of component counts and sampling events used to calculate actual emissions and the dates that these counts and events were completed. These records shall be provided to the Division upon request. AIRS ID: 123/9D07 Page 2 of 15 olor :: . Depa en di Health" and Environment +, A it Pollution Control Division 8. The emission r. , th- e .sh. - ated • aintained 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 Tank Battery 002 Enclosed flare VOC and HAPS PROCESS LIMITATIONS AND RECORDS 9. This source shall be limited to the following maximum processing rates as listed below. Monthly records of the actual processing rate 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 AIRS Process Parameter Annual Limit Point 002 Condensate throughput 180,000 BBL 004 Condensate Loading 180,000 BBL 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 10. Visible emissions shall not exceed twenty percent (20%) opacity during normal operation of the source. During periods of startup, process modification, or adjustment of control equipment visible emissions shall not exceed 30% opacity for more than six minutes in any sixty consecutive minutes. Emission control devices subject to Regulation 7, Sections XII.C.1.d or XVII.B.1.c shall have no visible emissions. (Reference: Regulation No. 1, Section II.A.1. & 4.) 11. This source is subject to the odor requirements of Regulation No. 2. (State only enforceable) 12. Point 002: The flare covered by this permit is subject to Regulation No. 7, Section XII.C General Provisions (State only enforceable). If a combustion device is used to control emissions of volatile organic compounds to comply with Section XII.D, it shall be enclosed, have no visible emissions, and be designed so that an observer can, by means of visual observation from the outside of the enclosed combustion device, or by other means approved by the Division, determine whether it is operating properly. The operator shall comply with all applicable requirements of Section XII. AIRS ID: 123/9D07 Page 3 of 15 olo Depa en li Health and Environment i t Pollution Control Division 13. Point 002: D • o kee ' monitoring, reporting and emission control requirements of Regulation 7, Section XII. The operator shall comply with all applicable requirements of Section XII. 14. Point 002: The flare covered by this permit is subject to Regulation No. 7, Section XVII.B 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. The operator shall comply with all applicable requirements of Section XVII. 15. Point 002: The condensate storage tanks covered by this permit are subject to Regulation 7, Section XVII.C emission control requirements. These requirements include, but are not limited to: XVII.C.1.a. Beginning May 1, 2008, owners or operators of all atmospheric condensate storage tanks with uncontrolled actual emissions of volatile organic compounds equal to or greater than 20 tons per year based on a rolling twelve-month total shall operate air pollution control equipment that has an average control efficiency of at least 95%for VOCs on such tanks. 16. Point 002: The flare covered by this permit is subject to Regulation No. 7, Section XVII.B General Provisions (State only enforceable). These requirements include, but are not limited to: XVII.B.1.b 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. The operator shall comply with all applicable requirements of Section XVII. XVII.B.2.d.(ii) All combustion devices installed before May 1, 2014, must be equipped with an operational auto-igniter by or before May 1, 2016, or after the next combustion device planned shutdown, whichever comes first. 17. Point 002: The storage tanks covered by this permit are subject to Regulation 7, Section XVII.C emission control requirements. These requirements include, but are not limited to: Section XVII.C.1. Control and monitoring requirements for storage tanks XVII.C.1.b. Owners or operators of storage tanks with uncontrolled actual emissions of VOCs equal to or greater than six (6) tons per year based on a rolling twelve- month total must operate 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. XVII.C.1.b.(i)(b) Control requirements of Section XVII.C.1.b. must be achieved by May 1, 2015. XVII.C.1.d. Beginning May 1, 2014, or the applicable compliance date in Section XVII.C.1.b.(i), whichever comes later, owners or operators of storage tanks AIRS ID: 12319D07 Page 4 of 15 Iii olor.i Depa en . '' 'Ii Health and Environment it Pollution Control Division constr ,..•_,. or:. . 4- ' 5 ectio .C.1. must conduct audio, visual, olfactory ("AVO") and additional visual inspections of the storage tank and any associated equipment (e.g. separator, air pollution control equipment, or other pressure reducing equipment) at the same frequency as liquids are loaded out from the storage tank. These inspections are not required more frequently than every seven (7) days but must be conducted at least every thirty one (31) days. Monitoring is not required for storage tanks or associated equipment that are unsafe, difficult, or inaccessible to monitor, as defined in Section XVII.C.1.e. The additional visual inspections must include, at a minimum: XVII.C.1.d.(i) Visual inspection of any thief hatch, pressure relief valve, or other access point to ensure that they are closed and properly sealed; XVII.C.1.d.(ii) Visual inspection or monitoring of the air pollution control equipment to ensure that it is operating, including that the pilot light is lit on combustion devices used as air pollution control equipment; XVII.C.1.d.(iii) If a combustion device is used, visual inspection of the auto-igniter and valves for piping of gas to the pilot light to ensure they are functioning properly; XVII.C.1.d.(iv) Visual inspection of the air pollution control equipment to ensure that the valves for the piping from the storage tank to the air pollution control equipment are open; and XVII.C.1.d.(v) If a combustion device is used, inspection of the device for the presence or absence of smoke. If smoke is observed, either the equipment must be immediately shut-in to investigate the potential cause for smoke and perform repairs, as necessary, or EPA Method 22 must be conducted to determine whether visible emissions are present for a period of at least one (1) minute in fifteen (15) minutes. XVII.C.1.e. If storage tanks or associated equipment is unsafe, difficult, or inaccessible to monitor, the owner or operator is not required to monitor such equipment until it becomes feasible to do so. XVII.C.2. Capture and monitoring requirements for storage tanks that are fitted with air pollution control equipment as required by Sections XII.D. or XVII.C.1. XVII.C.2.a. Owners or operators of storage tanks must route all hydrocarbon emissions to air pollution control equipment, and must operate without venting hydrocarbon emissions from the thief hatch (or other access point to the tank) or pressure relief device during normal operation, unless venting is reasonably required for maintenance, gauging, or safety of personnel and equipment. Compliance must be achieved in accordance with the schedule in Section XVII.C.2.b.(ii). XVII.C.2.b. Owners or operators of storage tanks subject to the control requirements of Sections XII.D.2., XVII.C.1.a, or XVII.C.1.b. must develop, certify, and implement a documented Storage Tank Emission Management System ("STEM") plan to identify, evaluate, and employ appropriate control technologies, monitoring practices, operational practices, and/or other strategies designed to meet the requirements set forth in Section XVII.C.2.a. Owners or operators must update the STEM plan as necessary to achieve or maintain compliance. Owners or operators are not required to develop and implement STEM for storage tanks AIRS ID: 123/9D07 Page 5 of 15 olor Depa en li Health and Environment it Pollution Control Division contai ' s ' s. 'mum ents of STEM are listed below. XVII.C.2.b.(i) STEM must include selected control technologies, monitoring practices, operational practices, and/or other strategies; procedures for evaluating ongoing storage tank emission capture performance; and monitoring in accordance with approved instrument monitoring methods following the applicable schedule in Section XVII.C.2.b.(ii) and Inspection Frequency in Table 1. XVII.C.2.b.(ii) Owners or operators must achieve the requirements of Sections XVII.C.2.a. and XVII.C.2.b. and begin implementing the required approved instrument monitoring method in accordance with the following schedule: XVII.C.2.b.(ii)(b) A storage tank constructed before May 1, 2014, must comply with the requirements of Sections XVII.C.2.a. and XVII.C.2.b. by May 1, 2015. Approved instrument monitoring method inspections must begin within ninety (90) days of the Phase-In Schedule in Table 1, or within thirty (30) days for storage tanks with uncontrolled actual VOC emissions greater than 50 tons per year. XVII.C.2.b.(ii)(d) Following the first approved instrument monitoring method inspection, owners or operators must continue conducting approved instrument monitoring method inspections in accordance with the Inspection Frequency in Table 1. Table 1 —Storage Tank Inspections Threshold: Storage Tank Approved Instrument Phase-In Schedule Uncontrolled Actual VOC Monitoring Method Emissions (tpy) Inspection Frequency > 6 and < 12 Annually January 1, 2016 > 12 and < 50 Quarterly July 1, 2015 > 50 Monthly January 1, 2015 XVII.C.2.b.(iii) Owners or operators are not required to monitor storage tanks and associated equipment that are unsafe, difficult, or inaccessible to monitor, as defined in Section XVII.C.1.e. XVII.C.2.b.(iv) STEM must include a certification by the owner or operator that the selected STEM strategy(ies) are designed to minimize emissions from storage tanks and associated equipment at the facility(ies), including thief hatches and pressure relief devices. XVII.C.3. Recordkeeping XVII.C.3. The owner or operator of each storage tank subject to Sections XII.D. or XVII.C. must maintain records of STEM, if applicable, including the plan, any AIRS ID: 12319D07 Page 6 of 15 olor- Depa en 4 • .li Health and Environment s it Pollution Control Division updat:, ._ :-.--I e • -'fiD ' an- • : hem :.-ble to the Division upon request. In addition, for a period of two (2) years, the owner or operator must maintain records of any required monitoring and make them available to the Division upon request, including: XVII.C.3.a. The AIRS ID for the storage tank. XVII.C.3.b. The date and duration of any period where the thief hatch, pressure relief device, or other access point are found to be venting hydrocarbon emissions, except for venting that is reasonably required for maintenance, gauging, or safety of personnel and equipment. XVII.C.3.c. The date and duration of any period where the air pollution control equipment is not operating. XVII.C.3.d. Where a combustion device is being used, the date and result of any EPA Method 22 test or investigation pursuant to Section XVII.C.1.d.(v). XVII.C.3.e. The timing of and efforts made to eliminate venting, restore operation of air pollution control equipment, and mitigate visible emissions. XVII.C.3.f. A list of equipment associated with the storage tank that is designated as unsafe, difficult, or inaccessible to monitor, as described in Section XVII.C.1.e., an I explanation stating why the equipment is so designated, and the plan for monitoring such equipment. 18. Point 004: 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) 19. Point 004: 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 Condition 19 (a) and (b) above. The inspections shall occur at least monthly. Each inspection shall be documented in a log available to the Division on request. 20. Point 004: 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. 21. Point 005: This source is subject to Regulation No. 7, Section XII.C General Provisions (State only enforceable). All condensate collection, storage, processing and handling 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 AIRS ID: 123/9D07 Page 7 of 15 olor Depa en li Health and Environment it Pollution Control Division extent practic o •o II ap • e requirements of Section XII. 22. Point 005: Minor sources in designated nonattainment or attainment/maintenance areas that are otherwise not exempt pursuant to Section II.D. of Regulation No. 3, Part B, shall apply Reasonably Available Control Technology (RACT) for the pollutants for which the area is nonattainment or attainment/maintenance (Reference: Regulation No. 3, Part B, III.D.2.a). This requirement to apply RACT shall be satisfied by installing/implementing the following emission controls: a. Directed Inspection & Maintenance as described below shall satisfy the requirement to apply RACT. i. Auditory/visual/olfactory inspection (AVO) will be performed on a quarterly basis. ii. For each leak found in the AVO inspection, a gas detector may be used to determine the size of the leak. The gas detector shall be regularly calibrated. Component leaks greater than 10,000 ppm shall be managed in accordance with Item (vi) below, unless it is unfeasible to make the repair without shutting down the affected operation of the facility. Component leaks less than 10,000 ppm shall not require repair. For such component leaks that require a shutdown to be repaired, repair shall occur during the first shutdown of the affected operation after the leak is discovered. • iii. For repair, valves adjacent to the equipment to be repaired will be closed if practicable, minimizing the volume released. iv. Repaired components shall be re-screened using AVO to determine if the leak is repaired. v. The following records shall be maintained for a period of two years: • The name of the site screened via AVO inspection and the name of the inspector. • Components evaluated with the gas detector. • Repair methods applied. • Dates of the AVO inspections, gas detector calibrations, attempted repairs, successful repairs, repair delays, and post- - repair screenings. vi. Leaks shall be repaired as soon as practicable, but no later than 15 calendar days after detection, unless it is technically or operationally infeasible to make the repair within 15 calendar days. Records documenting the rationale shall be maintained if it is technically or operationally infeasible to make the repair within 15 calendar days. OPERATING & MAINTENANCE REQUIREMENTS 23. Point 002: 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 AIRS ID: 123/9O07 Page 8 of 15 Illolor Depa en' f .. .Ii Health" and Environment A it Pollution Control Division requirements -, : =rm to - a .; plan :!'; ubject to Division approval prior to implementation. (Reference: Regulation No. 3, Part B, Section III.G.7.) COMPLIANCE TESTING AND SAMPLING Initial Testing Requirements 24. Point 002: The owner or operator shall demonstrate compliance with opacity standards, using EPA Method 22 to determine the presence or absence of visible emissions. "Visible Emissions" means observations of smoke for any period or periods of duration greater than or equal to one (1) minute in any fifteen (15) minute period during normal operation. (Reference: Regulation No. 7 Section XVII.AlI) 25. Point 005: Within one hundred and eighty days (180) after issuance of this permit, the operator shall complete a hard count of components at the source and establish the number of components that are operated in "heavy liquid service", "light liquid service", "water/oil service" and "gas service". The operator shall submit the results to the Division as part of the self-certification process to ensure compliance with emissions limits. Periodic Testing Requirements 26. Point 005: On an annual basis, the owner or operator shall complete an extended gas analysis of gas samples that are representative of volatile organic compounds (VOC) and hazardous air pollutants (HAP) that may be released as fugitive emissions. This extended gas analysis shall be used in the compliance demonstration as required in the Emission Limits and Records section of this permit. ADDITIONAL REQUIREMENTS 27. A revised Air Pollutant Emission Notice (APEN) shall be filed: (Reference: Regulation No. 3, Part A, 11.O) 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 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 AIRS ID: 12319D07 Page 9 of 15 olor Depa en li Health and Environment it Pollution Control Division d. When mi st ; or e. No later than 30 days before the existing APEN expires. 28. 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 29. 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. 30. 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 31. 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. 32. 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. 33. 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. 34. 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 AIRS ID: 123/9D07 Page 10 of 15 olor Depa en' .Ii `Health and Environment it Pollution Control Division Division in wry • . 'es -ti.- - • ,+ermit "Ron notification, annual fee billing will terminate. 35. 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 Chaousy, PE Permit Engineer Permit History Issuance Date Description Issuance 1 This Issuance Issued to Noble Energy, Inc. Newly permitted condensate tanks, truck loadout and associated fugitives at a synthetic minor facility. AIRS ID: 123/9D07 Page 11 of 15 olo Depa en li Health and Environment it Pollution Control Division Notes to Permit Holder e e a . 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 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: httos://www.colorado.00v/pacific/cdphe/aqcc-regs 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 Controlled Emission Are the Emission AIRS Rate emissions Rate Point Pollutant CAS# BIN (lb/yr) reportable? (Ib/yr) Benzene 71432 A 1816 Yes 91 Toluene 108883 C 1769 Yes 88 002 2,2,4-TMP 540841 C 373 Yes 19 Xylenes 1330207 C 363 Yes 18 n-Hexane 110543 C 15500 Yes 775 Benzene 71432 A 386 Yes 386 Toluene 108883 C 557 Yes 557 004 Ethylbenzene 100414 C 43 No 43 Xylenes 1330207 C 214 No 214 n-Hexane 110543 C 686 Yes 686 Benzene 71432 A 560 Yes 560 Toluene 108883 C 347 Yes 347 005 Ethylbenzene 100414 C 338 Yes 338 Xylenes 1330207 C 449 Yes 449 n-Hexane 110543 C 532 Yes 532 AIRS ID: 12319D07 Page 12 of 15 Ilolor-A Depa en 4 • •li Health and Environment ll • it Pollution Control Division 5) The emission level i ,; , d i , ,, pw. -' i - b- folio r; ission factors: Point 002: Emission Factors Emission Factors Uncontrolled Controlled CAS# Pollutant lb/1000 gal lb/1000 gal Source Condensate Condensate Throughput Throughput Engineering VOC 21.6667 1.0833 calculation (WimSim + EPA Tanks) Engineering 71432 Benzene 0.0833 0.0042 calculation (WimSim + EPA Tanks) Engineering 108883 Toluene 0.0952 0.0048 calculation (WimSim + EPA Tanks) Engineering 100414 Ethylbenzene 0.0026 0.0001 calculation (WimSim + EPA Tanks) Engineering 1330207 Xylene 0.0260 0.0013 calculation (WimSim + EPA Tanks) Engineering 110543 n-Hexane 0.7381 0.0369 calculation (WimSim + EPA Tanks) Engineering 540841 2,2,4-TMP 0.0145 I 0.0007 calculation (WimSim + EPA Tanks) Note: The controlled emissions factors for point 002 are based on the flare control efficiency of 95%. Point 004: Emission Factors-Uncontrolled CAS Pollutant lb/1000 gal Source loaded VOC 5.67 AP-42 71432 Benzene 0.0511 Engineering Calculation 108883 Toluene 0.0737 Engineering Calculation 100414 Ethylbenzene 0.0057 Engineering Calculation 1330207 Xylene 0.0283 Engineering Calculation 110543 n-Hexane 0.0907 Engineering Calculation 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 AIRS ID: 123/9D07 Page 13 of 15 olor Depa en li it PollutionHealthand Control DivisionEnvironment S =0.6(Submerged loading: dedicated normal service) P (true vapor pressure) 6.069 psia M (vapor molecular weight)=65 lbAb-mol T(temperature of liquid loaded)= 520°R The uncontrolled non-criteria reportable air pollutant (NCRP) emission factors were calculated by multiplying the mass fraction of each NCRP in the vapors by the VOC emission factor. Controlled emission factors are based on a flare efficiency of 95%. Point 005: Water/Oil Component Gas Service Heavy Oil Light Oil Service Connectors 340 --- 180 30 Flanges 160 --- 40 20 Open-ended Lines --- --- — — Pump Seals --- — — -- Valves 250 - 90 020 Other* 20 - 10 10 VOC Content(wt 0.34 1 1 1 fraction) Benzene Content(wt. 0.009 0.033 0.033 0.033 fraction) Toluene Content(wt 0.0013 0.033 0.033 0.033 fraction) Ethylhenzene(wt. 0.001 0.033 0.033 0.033 fraction) Xylenes Content(wt 0.005 0.033 0.033 0.033 fraction) n-hexane Content(wt. 0.008 0.033 0.033 0.033 fraction) *Other equipment type includes compressors, pressure relief valves, relief valves, diaphragms, drains, dump arms, hatches, instrument meters, polish rods and vents TOC Emission Factors(kg/hr-component): Component Gas Service Heavy Oil Light Oil Water/Oil Service Connectors 2.0E-04 7.5E-06 2.1E-04 1.1E-04 Flanges 3.9E-04 3.9E-07 1.1E-04 2.9E-06 Open-ended Lines 2.0E-03 1.4E-04 1.4E-03 2.5E-04 , Pump Seals 2.4E-03 NA 1.3E-02 2.4E-05 Valves 4.5E-03 8.4E-06 2.5E-03 9.8E-05 Other 8.8E-03 3.2E-05 7.5E-03 1.4E-02 Source: EPA-453/R95-017 Compliance with emissions limits in this permit will be demonstrated by using the TOC emission factors listed in the table above with representative component counts, multiplied by the VOC content from the most recent gas analysis. AIRS ID: 123/9D07 Page 14 of 15 olor^ Depa en • •Ii Health and Environment •it Pollution Control Division 6) In accordance with -... 5-7 1, ::: •ir missi•• -tice (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 NANSR Synthetic Minor Source of: VOC MACT HH Area Source Requirements: Not Applicable NSPS OOOO Not Applicable/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.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: 123/9D07 Page 15 of 15 Construction Permit Application Preliminary Analysis Summary Section 1 —Applicant Information Company Name: Noble Energy, Inc Permit Number: 14WE1283 • Source Location: 415852682 SWNW Section 3,T4N, R65W,Weld County (non-attainment) Point 002: Condensate tanks Equipment Description: Point 004: Truck loadout Point 005: fugitive emissions AIRS ID: 123-9D07 Date: October 31, 2014 Review Engineer: Stephanie Chaousy Control Engineer: Chris Laplante Section 2—Action Completed Grandfathered Modification APEN Required/Permit Exempt X CP1 Transfer of Ownership APEN Exempt/Permit Exempt Section 3—Applicant Completeness Review Was the correct APEN submitted for this source type? X Yes No Is the APEN signed with an original signature? X Yes No Was the APEN filled out completely? X Yes No Did the applicant submit all required paperwork? X Yes No Did the applicant provide ample information to determine emission rates? X Yes No If you answered "no"to any of the above, when did you mail an Information Request letter to the source? On what date was this application complete? July 24, 2014 Section 4—Source Description AIRS Point Equipment Description 002 Three(3) above ground 300 bbl atmospheric condensate storage tanks. Emissions from these tanks are controlled by a flare. 004 Truck Condensate Loadout 005 Fugitive VOC leak emissions Is this a portable source? Yes X No Is this location in a non-attainment area for any criteria Yes No • pollutant? If"yes", for what pollutant? Mho CO X Ozone Is this location in an attainment maintenance area for Yes X No any criteria pollutant? Page 1 If"yes",for what pollutant? (Note:These pollutants are subject to minor source PM,u CO Ozone RACT per Regulation 3, Part B,Section III.D.2) Is this source located in the 8-hour ozone non- attainment region?(Note: If"yes"the provisions of X Yes No Regulation 7, Sections XII and XVII.C may apply) Point 004: Is this source located at an oil and gas X Yes No exploration site? Point 004: If yes, does this source load less than 10,000 gallons of crude oil per day on an annual average, splash fill less than 6750 bbl of condensate (hydrocarbons that have an API gravity of 40 degrees Yes X No or greater) per year or submerged fill less than 16,308 bbl of condensate per year? Point 004: Is this source located at a facility that is considered a major source of hazardous air pollutant Yes X No (HAP)emissions? Point 004: Will this equipment be operated in any X Yes No NAAQS nonattainment area? Point 004: Does this source load gasoline into transport vehicles? Yes X No Section 5—Emission Estimate Information AIRS Point Emission Factor Source 002 Source provided site-specific emission factors using gas sample,WinSim and EPA Tanks. See Section 14 for calculations. AP-42: Chapter 5.2, Equation 1 L= 12.46`S`P`M/T 004 L= loading losses in lb per 1000 gallons loaded S= Saturation Factor P =true vapor pressure of liquid loaded(psiaj M =molecular weight of vapors[lb/lb-mole] T= temperature of bulk liquid loaded [deg. R] 005 EPA-453/R-95-017,Table 2-4 Did the applicant provide actual process data for the emission inventory? Yes X No • Basis for Potential to Emit(PTE} AIRS Point Process Consumption/Throughput/Production 002 180,000 BBL per year 004 180,000 BBL per year Equipment Type Gas Heavy Oil(or Light Oil (or Water/Oil Heavy Liquid) Light Liquid) Connectors 340 - 180 30 005 Flanges 160 - 40 20 Open-Ended Lines — --- — — Pump Seals — --- — — Valves 250 - 90 020 Other 20 - 10 10 Basis for Permitted Emissions(Permit Limits) AIRS Point Process Consumption/Throughput/Production 002 180,000 BBL per year 004 180,000 BBL per year Page 2 Equipment Type Gas Heavy Oil (or Light Oil (or Water/Oil Heavy Liquid) Light Liquid) Connectors 340 --- 180 30 005 Flanges 160 --- 40 20 Open-Ended Lines --- --- --- --- Pump Seals --- --- --- --- Valves 250 --- 90 020 Other 20 --- 10 10 Does this source use a control device? X Yes No % Reduction AIRS Point Process Control Device Description Granted 002 01 Flare 95 Section 6—Emission Summary (tons per year) Point NO„ VOC CO Single HAP Total HAP 002 --- 81.9 --- 2.8 (Hexane) 3.6 PTE: 004 --- 21.4 --- 0.3 (hexane) 0.9 005 --- 9.4 --- 0.3 (Hexane) 1.1 002 --- 81.9 --- 2.8 (Hexane) 3.6 Uncontrolled point 004 --- 21.4 --- 0.3 (hexane) 0.9 source emission rate: 005 --- 9.4 --- 0.3 (Hexane) 1.1 002 --- 4.1 --- 0.13 (Hexane) 0.2 Controlled point 004 --- 21.4 --- 0.3 (hexane) 0.9 source emission rate: 005 --- 9.4 --- 0.3 (Hexane) 1.1 Section 7—Non-Criteria/ Hazardous Air Pollutants Uncontrolled Are the Controlled Emission Pollutant CAS # BIN Emission Rate emissions (Iblyr) reportable? Rate(Ib/yr) Point 002 Benzene 71432 A 630 Yes 32 Toluene 108883 C 720 Yes 36 Ethylbenzene 540841 C 20 No 1 Xylenes 1330207 C 196 No 10 n-Hexane 110543 C 5580 Yes 279 2,2,4-TMP 540841 C 110 No 5 Point 004 Benzene 71432 A 386 Yes 386 Toluene 108883 C 557 Yes 557 Ethylbenzene 100414 C 43 No 43 Xylenes 1330207 C 214 No 214 n-Hexane 110543 C 686 Yes 686 Point 005 Benzene 71432 A 560 Yes 560 Page 3 Toluene 108883 C 347 Yes 347 Ethylbenzene 100414 C 338 Yes 338 Xylenes 1330207 C 449 Yes 449 n-Hexane 110543 C 532 Yes 532 Note: Regulation 3, Part A, Section II.B.3.b APEN emission reporting requirements for non-criteria air pollutants are based on potential emissions without credit for reductions achieved by control devices used by the operator. Section 8—Testing Requirements Will testing be required to show compliance with any emission rate or regulatory Yes X No standard? If"yes", complete the information listed below Section 9—Source Classification Is this a new previously un-permitted source? X Yes No What is this facility classification? True X Synthetic Major Minor Minor Classification relates to what programs? X Tide V PSD X NA NSR X MACT Is this a modification to an existing permit? Yes X No If"yes"what kind of modification? Minor Synthetic Major Minor Section 10—Public Comment Does this permit require public comment per CAQCC Regulation 3? X Yes No If"yes",for which pollutants?Why? For Reg. 3, Part B, III.C.1.a(emissions increase>25/50 tpy)? X Yes No For Reg. 3, Part B, III.C.1.c.ii (subject to MACT)? Yes X No For Reg. 3, Part B, III.C.1.d(synthetic minor emission limits)? X Yes No Section 11 —Modeling Is modeling required to demonstrate compliance with National Ambient Yes X No Air Quality Standards(NAAQS)? If"yes", for which pollutants?Why? AIRS Point Section 12—Regulatory Review Regulation 1 -Particulate. Smoke. Carbon Monoxide and Sulfur Dioxide Section II.A.1 -Except as provided in paragraphs 2 through 6 below, no owner or operator of a source shall allow or cause the emission into the atmosphere of any air pollutant which 002-005 is in excess of 20% Opacity. This standard is based on 24 consecutive opacity readings taken at 15-second intervals for six minutes. The approved reference test method for visible emissions measurement is EPA Method 9(40 CFR, Part 60,Appendix A(July, 1992)) in all subsections of Section II. A and B of this regulation. Regulation 2— dC�or Section I.A- 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 002-005 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. Page 4 Re•ulation 3-APENs, Construction Permits. Operating Permits, PSD Part A-APEN Requirements Criteria Pollutants: For criteria pollutants, Air Pollutant Emission Notices are required for: 002-005 each individual emission point in a non-attainment area with uncontrolled actual emissions of one ton per year or more of any individual criteria pollutant(pollutants are not summed) for which the area is non-attainment. (Applicant is required to file an APEN since emissions exceed 1 ton per year VOC) Part B—Construction Permit Exemptions 002-005 Applicant is required to obtain a permit since uncontrolled VOC emissions from this facility are greater than the 2.0 TPY threshold(Reg.3, Part B, Section ll.D.2a) Part B, III.D.2- RACT requirements for new or modified minor sources This section of Regulation 3 requires RACT for new or modified minor sources located in nonattainment or attainment/maintenance areas. This source is/is not located in the 8-hour ozone nonattainment area, but not the 1-hour ozone area. Point 004: The date of interest for determining whether the source is new or modified is therefore November 20, 2007 (the date of the 8-hour ozone NA area designation). Since 004, 005 the tank battery from which loadout is occurring will be in service after the date above, this source is considered "new or modified." Operator is using submerged fill (0.6 saturation factor), therefore, RACT requirements are satisfied. Point 005: The date of interest for determining whether the source is new or modified is therefore November 20, 2007 (the date of the 8-hour ozone NA area designation). Since the fugitives will be in service since after the date above, this source is considered "new or modified." Operator has agreed on the Division's standard conditions. Regulation 6- New Source Performance Standards NSPS Kb: for storage vessels greater than 19,800 gallons after 7/23/84. Is this source greater than 19,800 gallons (471 bbl)? No 002 Is this source subject to NSPS Kb? No WHY? The storage tanks do not meet the requirements of this subpart, therefore, not subject. 004 No applicable subpart. This facility is not a bulk gasoline terminal. NSPS OOOO: Standards of Performance for Crude Oil and Natural Gas Production, Transmission and Distribution. For fugitive emissions at natural gas processing plants subject to NSPS OOOO. This subpart establishes emission standards and compliance schedules for the control of volatile organic compounds (VOC)and 005 sulfur dioxide (SO2) emissions from affected facilities that commence construction, modification or reconstruction after August 23, 2011. Is this source at a"natural gas processing plant?" No Is this source subject to NSPS OOOO? No WHY? Facility does not meet the definition of"natural gas processing plant"therefore not meeting the criteria of this subpart. Regulation 7—Volatile Organic Compounds XII. VOLATILE ORGANIC COMPOUND EMISSIONS FROM OIL AND GAS OPERATIONS (Applicant is subject to the emission control requirements for condensate tanks 002 since it is located in a non-attainment area.) XVII.C STATEWIDE CONTROLS FOR OIL AND GAS OPERATIONS... (Applicant is currently subject to this since actual uncontrolled emissions are greater than 20 tpy of VOC.) • No sections apply. Per Regulation 7, Section VI.C, a terminal is defined as a petroleum 004 liquid storage and distribution facility that has a daily average throughput of more than 76,000 liters of gasoline (20,000 gallons), which is loaded directly into transport vehicles. This facility is neither a terminal, nor a bulk plant per definitions in Reg 7, Section VI.C. Section XII.G: If facility is a natural gas processing plant located in non-attainment 005 area, then subject to Section XII.G. Facility is not a natural gas processing plant, therefore, not subject. Regulation 8—Hazardous Air Pollutants MACT EEEE: Organic Liquids Distribution 002 This source is not subject to MACT EEEE because it is not located at a major source of HAP. Page 5 002,005 MACT HH This source is not subject to MACT HH because it is not located at a major source of HAP. 004 None Section 13—Aerometric Information Retrieval System Coding Information Process Emission Pollutant/ Fugitive Control Point Process Description Factor CAS# (YIN) Emission Factor Source (%) 21.6667 Engineering calculation lb/1000 gal VOC No (wmSim+EPA Tanks) 95 0.0833 Benzene/ Engineering calculation lb/1000 gal 71432 No (WimSim+EPA Tanks) 95 0.0952 Toluene/ Engineering calculation lb/1000 gal 108883 No (WimSim+EPA Tanks) 95 01 E&P Condensate 0.0026 Ethylbenzene No Engineering calculation 95 Storage Tanks lb/1000 gal /100414 (WimSim+EPA Tanks) 002 0.0260 Xylenes/ Engineering calculation lb/1000 gal 1330207 No (WimSim+ EPA Tanks) 95 0.7381 n-Hexane/ Engineering calculation lb/1000 gal 110543 No (WimSim+ EPA Tanks) 95 0.0145 2,2,4-TMP Engineering calculation lb/1000 gal /540841 No (WimSim+EPA Tanks) 95 SCC 40400311 —Fixed Roof Tank, Condensate,working+breathing+flashing losses 5.67 VOC No AP-42 0 lb/1000 gal 0.0511 Benzene/ No Engineering calculation 0 lb/1000 gal 71432 0.0737 Toluene/ No Engineering calculation 0 01 Truck loadout lb/1000 gal 108883 0.0057 2,2,4-TMP 004 lb/1000 gal /540841 No Engineering calculation 0 0.0283 Xylenes/ No Engineering calculation 0 lb/1000 gal 1330207 0.0907 n-Hexane No Engineering calculation 0 lb/1000 gal /110543 SCC 40600132: Crude Oil: Submerged Loading (Normal Service) 005 01 Fugitive VOC Leak VOC Yes EPA-453/R-95-017, NA Emissions Table 2-4 SCC 31000220: All Equip. Leak Fugitives(Valves,flanges, connections,seals,drains) Section 14—Miscellaneous Application Notes AIRS Point 002 Condensate Storage Tanks A permit will be issued because the uncontrolled VOC emissions are greater than 2 TPY(permit threshold). Emissions were calculated using site-specific emission factors from EPA Tanks(working and breathing) and WinSim Design II model (flashing). A gas analysis was used in the model for calculating the flash losses. Sampled on June 6, 2014 (within a year of application submittal). Uncontrolled emission factors with 100,000 bbl/yr. Component Uncontrolled Uncontrolled Emission Emission Total Total emission emissions- emissions- factor-EPA factor- Emission factor-(lb/1000 EPA Tanks WinSim Tanks WinSim factor— gal) (TPY) (TPY) (Ib/bbl) (lb/bbl) (Ib/bbl) VOC 11.91 33.57 0.24 0.67 0.91 21.6667 Benzene 0.29 0.146 0.0006 0.0029 0.0035 0.0833 Toluene 0.39 0.163 0.0008 0.0033 0.004 0.0952 Ethylbenzene 0.0010 0.004 0.00002 0.00009 0.00011 0.0026 Xylenes 0.0101 0.044 0.0002 0.00089 0.00109 0.0260 n-hexane 0.37 1.20 0.007 0.024 0.031 0.7381 2,2,4-TMP 0.007 0.024 0.00013 0.00047 0.00061 0.0145 Page 6 AIRS Point 004 Truck Condensate Loadout Units Basis S 0.6 Submerged loading: dedicated normal service P 6.069 Psia Based on EPA TANKs run M 65 Lb/lb-mole Based on EPA TANKs run T 520 Deg R Based on EPA TANKs run L 5.67 Lb/10^3 gal This value is used to calculate annual emissions 0.238 Lb/bbl AP-42: Chapter 5.2 Equation 1 L= 12.46*S*P*M/T L = loading losses in lb per 1000 gallons loaded S = Saturation Factor P =true vapor pressure of liquid loaded [psia] M = molecular weight of vapors[lb/lb-mole] T=temperature of bulk liquid loaded [deg. R] L 5.671b/10^3 gal 2.38E-01 lb/bbl Annual requested Throughput 7560000ga1/yr Annual requested VOC emissions 428761b/yr 21.44tpy HAP emissions were calculated using HAP weight%from the Seyler 610-62-1 HN low pressure separator extended condensate analysis. Component Component wt% Uncontrolled (Ib/yr) Emission factor Emission factor (lb/bbl) (lb/1000 gal) Benzene 0.8717 386 0.00214 0.0511 Toluene 4.1603 557 0.00309 0.0737 Ethylbenzene 0.3137 43 0.00024 0.0057 Xylenes 4.0014 214 0.0019 0.0283 n-hexane 6.6855 686 0.00381 0.0907 AIRS Point 005 Fugitive VOC Leak Emissions A permit will be issued because the uncontrolled VOC emissions are greater than 2 TPY (permit threshold). Page 7 Air Pollutant Emission Notice(APEN)—and—Application for Construction Permit OIL AND GAS EXPLORATION AND PRODUCTION CONDENSATE STORAGE TANK BATTERY],----_ Current Status(Check all that a ply) Reason for APEN Submittal(Check all that apply) a��E AIRS[D#2: fZb 3 - q ci7.—°ot 0 APEN update only' Z New or previously unreported battery 0 Modification to existing sources - 4 0 Previously grandfathered battery' ❑ Registration for coverage under general permit no.GP01 _ ® Synthetic minor facility &cancellation request for individual permit': `pr ® Located in the 8-hr Ozone Control Area° ® Application for or Modification of an individual permit Registered under generalpermit no.GPOI Administrative permit amendments ❑ ❑ g g ❑ Permitted under individual permit: I W v✓G^(Z'US ❑ Other: For individual pet mit applications,check if you want9: ❑A copy of the preliminary analysis conducted by the Division ® To review a draft of the permit prior to issuance Company Name1°: Noble Energy,Inc OGCC Operator#: 100322 Mailing Address'': 1625 Broadway Suite 2200 City: Denver State: CO Zip: 80202 E-mail: tweiner@nobleenergyinc.com Contact Name: Taryn Weiner Phone: (303)228-4362 Fax: (303)228-4280 Tank Battery Name12: 415852682 Number of tanks: 3 Location13(QQ Sec.Twp.Range.): SWNW SEC3 T4N R65W County: Weld Total tank capacity[bbl]: 900 Calendar year for which"Actual" data applies14: 2014 Year(s)tank(s)were placed in service'': 2014 Control Description": Flare Control Efficiency": 95% Condensate Throughputs[bbl/year] Requested19: 180,000 Maximum for PTE calculation°: 180,000 Actual21: While Controls Operational" Other equipment at facility": Comments: Estimated emissions at throughputs listed above. Use N/A for requested throughput/emission values unless requesting an individual permit ❑ Check if site-specific emission factors provided to calculate emissions24. Emission Factor Battery Requested Emissions19 Actual Emissions2l Pollutant25 [lb/bbl] PTE2fi Uncontrolled" Controlled28 Uncontrolled2' Controlled" VOC[tons/year] 0.91 81.90 81.9 4.1 NOx[tons/year] CO[tons/year] Benzene[lbs/year] 0.0035 630.0 630.0 31.5 n-Hexane[lbs/year] 0.031 5,580.0 5,580.0 279.0 Wells serviced by this tank or tank battery29 API#: 05-123-34018 Name: Romero PC G10-79HN ®Newly Reported Well API#: Name: ❑Newly Reported Well API#: Name: ❑Newly Reported Well API#: Name: ❑Newly Reported Well API#: Name ❑Newly Reported Well API#: Name: ❑Newly Reported Well API#: Name: 0 Newly Reported Well The signature below indicates that I have knowledge of the facts herein set forth and that the same are true,accurate,and complete to the best of my knowledge and belief. If this is a registration for coverage under general permit GPOI,I further certify that this source is and will be operated in full compliance with each condition of general permit GPOI. tAi -Ylfr 7/23/2014 Signature of gal y Authorized Person(not a vendor or consultant) Date Taryn Weiner Environmental Engineer Type or Print Name of Person Signing Above Official Title Submit this form,along with$152.90 for each Colorado Department of Public Health and Environment For information call: filing of up to 5 tank battery APENS. Include Air Pollution Control Division,APCD-SS-B l 314871 (303)692-3150 $250 General Permit fee for each new GP 4300 Cherry Creek Drive South jgre istration to: Denver,CO 80246-1530 FORM APCD-205 Page 1 of 2 Form APCD-205 E&P Condensate Tanks APEN.doc L . 00 sW llor G 2 T o 0 0 0 0 .a. H L o cc ^ 9 as J V ru. 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