### OfFICE OF THE GOVERNOR**ST:\TI~** (H' MONTANA

B ! ( 1.\:\ S ( ;'\\ J', iT f'. COVE**~()p** 

### ,J() II" BOIlL I!\,G E R 

### LT. Go VERI'i () h



## NOV 0 3 

## Z006 November 1, 2006·

Robert E. 

### Roberts Regional Administrator USEPA, Region 8 999 18th Street, Suite 500 Denver, Colorado 80202-2466

Dear Mr. Roberts:

Montana is submitting revisions to its State Implementation Plan (SIP). This submission contains revisions to the following rules: New Rules I-VI, codified as ARM 17.8.1701, 17.8.1702,17.8.1703,17.8.1704,17.8.1705, 17.8.1710, 17.8.1711, 17.8.1712, and 17.8.1713, establishing a system of registration of oil and gas well facilities, and ARM 17.8.744, which provides for the exclusion of eligible facilities from Montana air quality permitting requirements. The Montana Board of Environmental Review (Board) adopted these new rules and rule amendment on March 23, 2006.

This submission also contains revisions to the following rules: ARM 17.8.101, 17.8.102, 17.8.103,17.8.302,17.8.767,17.8.801, 17.8.802, 17.8.818, 17.8.902, and 17.8.1002 pertaining to incorporation by reference of current federal regulations and other materials into air quality rules. The Board adopted these revisions on July 21,2006.

This submission contains two copies of the Records of Adoption as required by 40 CFR Part 51, Appendix V. SIP narrative replacement pages forthis submission will be mailed at a later date. If you have any questions concerning the contents of this submission, please directthem to Debra Wolfe, Montana Department of Environmental Quality at (406) 444-7916.

Sincerely,

r;

.,.. '/

_ ....... ¥"r**.~** 

### BRIAN SCHWEITZER Governor 

# .RECEIVED

Enclosure 

# rJSEPA**RI~S**

# f)FFTCF

STATe; Cfll'ITOi. • P.O. Box 200801 • I-iJ,:LE:-.IA

. MONTANA 59620·0801 TEI.EPl!m;Jc: 406·4442$111 • FAx: 406 444 5529 • WEbSl'n:: 'i'iViW.MT,r,O'/

### Volume I Chapter 9
STATE OF MONTANA Subject: Administrative AIR QUALITY CONTROL Rules of IMPLEMENTATION PLAN Montana

AIR QUALITY 17.8.740

17.8.740 DEFINITIONS Forthe purposes ofthis subchapter: (1) "Best available control technology (BACT)" means an emission limitation (including a visible emission standard), based on the maximum degree of reduction for each pollutant subject to regulation under 42 U.S.C. 7410, et seq. or 75-2-101, et seq., MCA, thatwould be emitted from any proposed emitting unit or modification which the department, on a case-by-case basis, taking into account energy, environmental, and economic impacts and othercosts, determines is achievable for such emitting unitor modification through application of production processes or available methods, systems, and techniques, including fuel cleaning or treatment or innovative fuel combustiontechniquesfor control ofsuch contaminant. In no event may application of BACT result in emission ofany regulated air pollutantthatwould exceed the emissions allowed by any applicable standard underARM Title 17, chapter 8, subchapter 3, and this subchapter. Ifthe department determines that technological oreconomic limitationson the applicationof measurement methodologyto a particularclass ofemitting units would makethe imposition ofan emission standard infeasible, it may instead prescribe a design, equipment. work practice, or operational standard orcombination thereof, to require the application of BACT. Such standard must, to the degree possible, setforth the emission reduction achievable by implementation ofsuch deSign, eqUipment, work practice oroperation and must provide for compliance by

means that achieve equivalent results. (2) "Construct"or"construction" includes a reasonable period oftimefor startup and shakedown and

means: (a) initiation ofon-sitefabrication. erection, or installation of an emitting unit or control equipment including. but not limited to: (i) installation of building supports orfoundations; (ii) laying of underground pipework; or (iii) construction ofstorage structures; or (b) the installation ofany portable ortemporary equipment orfacilities. (3) "Day" means calendar day unlessotherwise stated. (4) "Emitting unit" means: (a) any equipment that emitsor has the potential to emit any regulated air pollutant underthe Clean Air Act of Montana through a stack(s) or vent(s); or (b) any equipment from which emissions consist solely offugitive emissions ofa regulated air pollutant underthe Clean Air Act of Montana. (5) "Existing emitting unit" means an emitting unit thatwas in existence and operating orwas capable of being operated on March 16, 1979. or for which the department had issued a permit by that date. (6) "Facility" means any real or personal property that is either stationary or portable and is located on
one or more contiguous oradjacent properties underthe control ofthe same owneroroperator and that emitsor hasthe potential to emit any air pollutant subjectto regulation under the Clean AirAct of Montana orthe Federal Clean AirAct. including associated control equipmentthat affects orwould affectthe nature, character, composition, amount, or environmental impactsofair pollution and that has the sametwo-digit standard industrial classification code. A facility may consist ofoneor more emitting units.

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# (, Volume I Chapter 9
STATE OF MONTANA Subject: Administrative AIR QUALITY CONTROL Rules of IMPLEMENTATION PLAN Montana

17.8.740 ENVIRONMENTAL QUALITY

(7) "Install" or "installation" means to set into position and connect or adjustfor use. (8) "Modify" does not include routine maintenance, repair, or replacement but means: (a) construction or changes in operation at a facility or emitting unitfor which the department has issued a Montana air quality permit under this chapter, exceptwhen a permit is not required under ARM 17.8.745; (b) construction or changes in operation at afacility or emitting unit for which a Montana air quality permit has not been issued under this chapter but that subjects the facility or emitting unitto the requirements ofARM 17.8.743; (c) construction or changes in operation at a facility

### or emitting unitthat would violate any condition in the facility's Montana air quality permit, any board or court order, any control plan within the Montana state implementation plan, or any rule in this chapter, except as provided in ARM 17.8.745; (d) construction or changes in operation at a facility or emitting unit that would qualify as a major modification ofa majorstationary source under subchapters 8,9, or 10 ofthis chapter; (e) construction or changes in operation at a facility or emitting unit thatwould affect the plume rise or dispersion characteristics ofemissions in a manner that would cause or contribute to a violation ofan ambient air quality standard or an ambient air increment. as defined in ARM 17.8.804;

or (f) any change in operation that affects emissions and that was not previously permitted, except that a change in operation that does not result in an increase in emissions because ofthe change is nota modification. (9) "Montana air quality permit" means a preconstruction permit issued under this subchapter that may include requirements for the construction and subsequent operation of an emitting unit(s) or facility. (10) "Negligible risk to the public health, safety, and welfare and to the environment" means
an increase in excess lifetime cancer risk of less than 1.0 x 10-6

, 

### for any individual pollutant, and 1.0

x 10-5

, 

### for the aggregate ofall pollutants, and an increase in the sum ofthe noncancer hazard quotients for all pollutants with similar toxic effects of less than 1.0, as determined by a human health risk assessment conducted according to ARM 17.8.767. The department shall also consider environmental impacts identified in any environmental analysis conducted pursuantto the Montana Environmental Policy Act, Title 75, chapter 1, parts 1through 3, MeA, in determining compliance with all applicable rules or other requirements requiring protection ofpublic health, safety, and welfare and the environment. (11) "New or modified emitting unit" means an emitting unit thatwas not constructed or upon which construction was not commenced prior to March 16, 1979. (12) "Owner or operator" means the owner of a facility or other person deSignated by the

owner as responsible for overall operation ofthe facility. 17-428 6/30/06 ADMINISTRATIVE RULES OF MONTANA



### Dated: December6,2002 Replaces Page: 9.2.2.7 (5)**---------~---- ~-**  ..

# ----'-----------------­ March 23, 2006 Page: 5of30 Page 9.2.2.7 (5)

### Volume I Cha ter 9
STATE OF MONTANA Subject: Administrative AIR QUALITY CONTROL Rules of IMPLEMENTATION PLAN Montana

AIR QUALITY 17.8.743

(13) "Potential to emit" means the maximum capacity of afacility oremitting unit, within physical and operational design, to emit a pollutant. Any physical or operational limitation on the capacity ofthe facility or emitting unitto emit a pollutant, including air pollution control equipment and restrictions on hours ofoperation

oron the type oramount of material combusted, stored, or processed, is treated as part of its design only ifthe limitation orthe effect it would have on emissions is federally enforceable. Secondary emissions are not considered in determining potential to emit. (14) "Routine maintenance, repair, or replacement" means any action taken upon an emitting unit by the owner oroperatorthat is necessaryon a periodiC basis to assure proper operation of the emitting unit. The term routine does not include activities that: (a) have associated fixed capital costs in excess of 50% ofthe fixed capital cost necessary to construct a comparable, entirely new emitting unit;

(b) change the design ofthe emitting unit, including associated control equipment; or (c) increase the potential to emit ofthe emitting unit. (15) "Secondary emissions" means emissions that would occuras a result ofthe construction or operation of afacility or emitting unit, but do not come from the facility oremitting unit itself. Secondary emissions must be specific, well defined. quantifiable, and impactthe same general area as the facility or emitting unit which causes the secondary emissions. Secondary emissions may include, but are not limited to: (a) emissions from trains coming to orfrom the facility oremitting unit; (b) emissions from any off-site support facility that otherwise would not be constructed or increase its emissions as a result ofthe construction oroperation ofthe facility oremitting unit. (History: 75-2-111, 75-2­ 204, MeA; IMP, 75-2-211, MeA; NEW, 2002 MAR p. 3567, Eff. 12/27/02.)

Rules 17.8.741 and 17.8.742 reserved

17.8.743 MONTANAAIR QUALITY PERMITS--WHEN REQUIRED (1) Except as provided in ARM 17.8.744, 17.8.745, and 17.8.1602, a person may not construct, install, mOdify, or operate any ofthe following withoutfirst obtaining a Montana air quality permit issued by the department: (a) a new facility oremitting unit with the potential to emit airborne lead in an amount greaterthan five tons per year or a modification to an existing facility or emitting unitthat results in an increase in the facility or emitting unit's potential to emit airborne lead by an amount greaterthan 0.6 tons per year; (b) asphalt concrete plants, mineral crushers, and mineral screensthat have the potential to emit more than 15 tons per year of any airborne pollutant, other than lead, that is regulated underthis chapter; (c) any incinerator, as defined in 75-2-103(11), MeA, and that is subjectto the requirements of 75-2­ 215, MeA;

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### Volume I Cha ter 9
STATE OF MONTANA AIR QUALITY CONTROL IMPLEMENTATION PLAN Subject: Administrative Rules of Montana

17.8.743 ENVIRONMENTAL QUALITY

(d) anyfacility oremitting unit upon which construction commenced, orthat was installed, before November 23, 1968, when that facility oremitting unit is modified afterthat date and the modification increases the potential to emit by more than 25 tons per year ofany airborne pollutant, other than lead, that is regulated underthis chapter; or (e) anyotherfacility oremitting unit upon which construction was commenced. or that was installed. after November23,1968, that is notspecifically excluded underARM 17.8.744. and that has the potential to emit more than 25tons per year of any airborne pollutant, other than lead, that is regulated under this chapter. (2) An owner or operatorwho has submitted an application and received a completeness determination from the department pursuant to ARM 17.8.759 may, prior to receiving a Montana air quality permit, initiate the following seasonal construction activities that, when completed, would have

no anticipated increases in emissions of regulated air pollutants associated with them: (a) installing concretefoundation work; (b) installing below-ground plumbing; 

# , (c) installing ductwork; or (d) other infrastructure andlor excavation work involving the same. 

### (3) Notwithstanding the abilityto undertakethe construction activities described above. the department may issue a letter instructing the owneroroperator to immediately cease such activities pending a final determination on an application if it finds that the proposed projectwould result in a violation ofthe state implementation plan orwould interferewith the attainment or maintenance ofany federal or state ambient air qualitystandard. (4) Nothing in (2) obligates the departmentto issue a Montana air quality permit. An owner or operatorwho has received a completeness determination and who elects to engage in initial construction activities accepts the regulatory risks ofengaging in such activities. The owner or operator acknowledges that the department maysubsequently order cessation of initial construction activities. ultimatelydecline to issue a Montana air quality permit, or issue a permit that diminishes or renders useless thevalue ofwork completed prior to permit issuance. In voluntarily choosing to engage in such activities while knowing ofthese risks, the owner or operator agrees that. in the event the department seeks injunctive relief to halt or prohibit construction, no irreparable harm has resulted in anywayto the owner oroperator from these activities. (5) The provisions of (2) do not supersede any other local, state. orfederal requirements associated with the activities set forth therein. (History: 75-2-111. 75-2-204, MCA; IMP, 75-2-211, MCA; NEW. 2002 MAR p. 3567, Eft. 

### 12/27/02; AMD, 2005 MAR p. 2660, Eft. 

### 12/23/05.)

17-430 

### 6/30/06 ADMINISTRATIVE RULES OF MONTANA



### Dated: December2, 2005 Replaces Page: 9.2.2.7 (7)

March 

### 23, 2006 Page: 7 of30 Page 9.2.2.7 (7)

### Volume I Cha ter 9
STATE OF MONTANA Subject: Administrative AIR QUALITY CONTROL Rules of IMPLEMENTATION PLAN Montana

AIR QUALITY 17.8.744

17.8.744 MONTANAAIR QUALITY PERMITS--GENERAL EXCLUSIONS (1) A Montana air quality permit is not required underARM 17.8.743forthe following: (a) residential fireplaces, barbecues. and similar devices for recreational, cooking, or heating
use; (b) mobile emitting units, including motorvehicles, trains. aircraft. and other such selfpropelled vehicles;

. (c) laboratory equipment used for chemical or physical analysis; (d) any activity or equipmentassociated with the use ofagricultural land or the planting. production. harvesting or storage ofagricultural crops (this exclusion does not apply to the processing ofagricultural products by commercial businesses); (e) emergency equipment installed in hospitals or other public institutions or buildings for use when the usual sources of heat. power or lighting are temporarily unobtainable or unavailable; (f) emergency equipment installed in industrial or commercial facilities for use when the usual

sources of heat, power. or lighting are temporarily unobtainable or unavailable and when the loss of heat, power, or lighting causes. or is likely to cause. an adverse effect on public health or facility safety. Emergencyequipment use extends only to those uses that alleviate such adverse effects on public health or facility safety; (g) any activity or equipment associated with the construction, maintenance, or use of roads except emitting units for which a permit is required under ARM 17.8.743; (h) open burning. which is regulated under ARM Title 17, chapter 8, subchapter 6. and an open burning permit may be required underthat subchapter; (i) drilling rig stationary engines and turbines that do not have the potential to emit more than 100tons per year ofany pollutant regulated under this chapter and that do not operate in anysingle location for morethan 12 months; 

### U) temporary process or emission control equipment, replacing malfunctioning process or emission control equipment, and meeting the requirements ofARM 17.8.110(7)through {9}; (k) routine maintenance, repair, or replacement ofequipment and equipment used to perform routine maintenance. repair. or replacement; or (I) anyfacility that has been registered with the department in accordance with ARM Title 17, chapter 8, subchapter 17. (History: 75-2-111. 75-2-204, 75-2-234, MCA; IMP, 75-2-211. 75-2-234, MCA; NEW, 2002 MAR p. 3567. Eff. 12/27/02; AMD. 2006 MAR p. 893, Eff. 4/7/06.)

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# (, Volume I Cha ter 9
STATE OF MONTANA Subject: Administrative AIR QUALITY CONTROL Rules of IMPLEMENTATION PLAN Montana

17.8.745 ENVIRONMENTAL QUALITY

17.8.745 MONTANAAIR QUALITY PERMITS--EXCLUSION FOR DE MINIMIS CHANGES (1) A Montana air quality permit is not required underARM 17.8.743forde minimis changes as specified below: (a) Construction orchanged conditions ofoperation at a facility forwhich a Montana air quality permit has been issued that do not increasethe facility's potential to emit by more than 15 tons peryear ofany pollutant except: (i) any construction orchanged conditions ofoperation at a facility thatwould violate any condition in the facility's existing Montana air quality permit orany applicable rule contained in this chapter is prohibited, except as allowed in (2); (ii) any construction orchanged conditions ofoperation at a facility thatwould qualify

as a major modification ofa majorstationary source undersubchapters 8, 9, or 10 ofthis chapter; (iii) any construction orchanged conditions ofoperation at a facility thatwould affect the plume rise ordispersion characteristics ofthe emissions in a mannerthat would cause or 

# (, contribute to a violation ofan ambient air qualitystandard oran ambient air increment, as defined in ARM 17.8.804; (iv) any construction or improvement projectwith a potential to emit more than 15 tons peryear may not be artificially split into smaller projects to avoid permitting underthis subchapter: and (v) emission reductions obtained through offsetting within a facility are not included when determining the potential emission increase from construction or changed conditions of operation, unless such reductions are madefederally enforceable. (b) The owneroroperator ofany facility making a de minimis change pursuant to (1)(a) shall notifythe department ifthe change would include addition ofa new emissions unit, a change in control equipment, stack height, stack diameter, stack flow, stack gas temperature, source location, orfuel specifications, orwould result in an increase in source capacity above its permitted operation.

17-432 6/30/06 ADMINISTRATIVE RULESOF MONTANA

Replaces Page: 9.2.2.7 (9) Dated: December2,2005

March 23, 2006 Page: 90f30 Page 9.2.2.7 (9)

### Volume I Cha ter 9
STATE OF MONTANA Subject: Administrative AIR QUALITY CONTROL Rules of IMPLEMENTATION PLAN Montana

AIR QUALITY 17.8.745

(c) The following are excluded from the notice requirements of(1)(b): (i) day-to-dayfluctuations ofthe parameters described in (1 )(b), occurring as a result ofthe design or permitted operations ofthe facility, including startup and shutdown of emission sources atthe facility; and (ii) addition, modification, or replacement of pumps, valves, flanges and similar emission sources. The departmentshall develop, maintain, and update a Jist ofemission

sources it believes qualify for exclusion from the notice requirements. Upon request, the department shall provide a copy ofthe list to interested persons. (d) If notice is required under {1 )(b), the owneroroperatorshall submitthe following information to the department in writing at leastten days priorto startup or use ofthe proposed de minimis change oras soon as reasonably practicable in the eventofan unanticipated circumstance causing the de minimis change: (i) a description ofthe proposed de minimis change requiring notice, including the anticipated date ofthe change; (ii) sufficient information to calculate the potential emissions resulting from the proposed de minimis change; and

. (iii) ifapplicable, an explanation ofthe unanticipated circumstance causing the change. (e) The notice requirements under {1 )(d) do not supersede, orotherwise change, any requirements in 40 CFR Parts 60,61, or63. (2) A Montana airquality permit may be amended pursuantto ARM 17.8.764, for changes made under (1 )(a)(i) thatwould otherwiseviolate an existing condition in the permit. Conditions in the permit concerning control equipment specifications, operational procedures, ortesting, monitoring, record keeping, or reporting requirements may be modified ifthe modification does notviolate any statute, rule, orthe state implementation plan. Conditions in the permit establishing emission limits, or production limits in lieu of emission limits, may be changed oradded under (1 )(a), ifthe owner oroperator agreesto such changes oradditions. (History: 75-2-111,75-2-204, MCA; IMP, 75-2-211, MCA; NEW, 2002 MAR p. 3567, Eff. 

### 12/27102.)

Rules 17.8.746 and 17.8.747 reserved

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### 6/30106 17-433



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# I I 

# I

AIR QUALITY 17.8.1702 

# I

Subchapter"17 

## f / Registration ofAir Contaminant Sources f'

## ~ 17.8.1701 DEFINITIONS For the purposes ofthis subchapter: 

# r (1) "Emitting unit" means: 

# ! (a) anyequipment that emits or has the potential to emit any regulated air pollutant under the 

# I r Clean Air Act of Montana through a stack(s) orvent(s); or (b) anyequipmentfrom which emissions consist solelyoffugitive emissions of a regulated air ! pollutant under the Clean Air Act of Montana.



# , (2) "Potential to emit (PTE)" means the maximum capacity of a facility or emitting unit, within physical and operational design, to emit a pollutant. Any physical or operational limitation on the capacity ofthe facility or emitting unit to emit a pollutant, including air pollution control equipment and restrictions on hours ofoperation or on the type or amount of material combusted, stored, or processed, is treated as part of its design only if the limitation or the eftect it would have on emissions is federally enforceable. Secondary emissions are not considered in determining potential to emit. (3) "Registered facility" means any registration eligible facility that has been registered for operation underthe requirements in this subchapter. (4) "Registration" means identifying equipment and/or processes to the department in accordancewith this subchapter. (5) "Registration eligiblefacility" means an oil orgas well facility as defined in 75-2-103(13), MCA, and subject to the requirements ofARM 17.8.743. (6) "VOC piping components" means valves, pumps, compressors, flanges, pressure relief valves and connectors, and other piping components that have VOC emissions. (History: 75-2-111, 75-2-234, MCA; IMP, 75-2-234, MCA; NEW, 2006 MAR p. 893, Eft. 4/7/06.)

17.8.1702 APPLICABILITY (1) The owner or operator of a registration eligible facility may register with the department in lieu ofsubmitting an application for, and obtaining, a Montana air qualitypermit (MAQP). Nothing in this subchapter precludes an owner or operator from obtaining and/or maintaining a MAQP in accordancewith ARM Title 17, chapter 8, subchapter 7. (2) The owner oroperator of an oil or gas well facility subject tothe requirements ofARM Title 17, chapter 8, subchapter 12, is not eligible to register underthis subchapter. (History: 75-2-111, 75-2-234, MCA; IMP, 75-2-234, MCA; NEW, 2006 MAR p. 893, Eft. 4/7/06.)

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### Volume I Cha ter 9
STATE OF MONTANA Subject: Administrative AIR QUALITY CONTROL Rules of IMPLEMENTATION PLAN Montana

17.8.1703 ENVIRONMENTAL QUALITY

17.8.1703 REGISTRATION PROCESS AND INFORMATION (1) A registration eligible facility is registered upon the department's receipt ofthe form and information required in (2) and (3) and the appropriate fee required in ARM 17.8.1704. The department shall acknowledge receipt of a registration within 30 days after receiving the registration. (2) The owner or operator shall provide the following information to the department, using a form provided by the department: (a) facility name and mailing address; (b) owner or operator's name, address, and telephone number; (c) physical location offacility (legal description to the nearest 1/4 section); (d) contact person and telephone number; (e) general nature of business; (f) standard industrial classification code (SIC); (g) SIC description; (h) narrative description ofthe site and facility; and (i) site map. (3) The owner oroperator shall provide the following additional equipment-specific information to the department for each emitting unit, including any air pollution control equipment: (a) manufacturer's name; (b) unit type; (c) date ofmanufacture; and (d) maximum rated design capacity. (4) Theowner or operator ofa registered facility shall notify the department, using the registration form provided by the department, ofany change(s) to the registration information, within 15 days afterthe change(s). (5) Theowner or operator ofa registered facilitythat is modified and becomes subject to the provisions of42 USC 7475, 7503, or 7661 shall meet the requirements ofARM Title 17, chapter 8, subchapters 8, 9, 10 and/or 12. (6) The owner or operator ofa registration eligible facility may not commence operations under the provisions ofthis subchapter until the facility has been registered with the department, except as provided in ARM 17.8.1710(1). (7) Theowner oroperator of a registration eligible facility for which a valid MAQP has been issued may register with the department and request revocation ofthe MAQP. (History: 75-2-111, 75-2-234, MCA; IMP, 75-2-234, MCA; NEW, 2006 MAR p. 893, Eft. 4/7/06.)

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### Volume I Cha ter 9
STATE OF MONTANA Subject: Administrative AIR QUALITY CONTROL Rules of IMPLEMENTATION PLAN Montana

AIR QUALITY 17.8.1710

17.8.1704 REGISTRATION FEE (1) The registration fee required by ARM 17.8.504 must be submitted to the departmentwith each registration submitted underthis subchapter. No fee is required for notifying the department, pursuant to ARM 17.8.1703(4), ofchanges to registration information. 

# I

(2) The registration fee must be paid in its entirety at the timethe registration form is submitted to the department. (History: 75-2-111, 75-2-234, MCA; IMP, 75-2-234, MCA; NEW, 2006 MAR p. 893, Eff. 4/7106.) 

# I

17.8.1705 OPERATING REQUIREMENTS: FACILITY-WIDE (1) The owner or operator of a registered facility shall allow the department's representatives access to the facility at all reasonable times for the purpose ofmaking inspections orsurveys, collecting samples, obtaining data, auditing any monitoring 

## f equipment, observing any monitoring ortesting, and otherwise conducting all necessaryfunctions related to this 

# I t subchapter. (2) The owner oroperator ofa registered facility shall monitor and record annual production information for all emission points, as required by the department in the annual emission inventory request. The requestwill include, but is not limited to, all emissions associated with emitting units registered to operate at the facility. Production information must be gathered on a calendaryear basis and submitted to the department by 

# f
the date required in the emission inventory request. Information must be in the units required by the department. (3) The owner or operator ofa registered facility shall maintain onsite records showing daily hours of operation and daily production rates and corresponding emission levels for the previous 12 months. The records compiled in accordance with this subchapter must be maintained bythe owner oroperatorfor at least 

# !

five years following the date ofthe measurement, must be available at the plant site, unless otherwise specified 

# i

in this subchapter. for inspection bythe department, and must be submitted to the department upon request. (History: 75-2-111,75-2-234, MCA; IMP, 75-2-234, MCA; NEW, 2006 MAR p. 893, Eff. 417106.) 

# I

f I Rules 17.8.1706 through 17.8.1709 reserved f 

# I

17.8.1710 OIL OR GASWELL FACILITIES GENERAL REQUIREMENTS I (1) The owner oroperator ofa registration eligible oil orgas well facility may submitto the departmenta t 

## ! complete registration form, pursuant to ARM 17.8.1701 through 17.8.1705, within 60 days after the initial well**~,** completion date forthe facility. 

# r (2) Theowneroroperatorofan oil orgaswell facilitywho submits an applicationfora Montanaairquality permitto thedepartmentpriortothe effectivedateofthis subchapter may requestthattheapplication be used in lieu ofa registrationform for registration oftheoilorgaswellfacility bycompleting theform provided bythedepartment. (3) The owner oroperatorof a registered oil or gas well facility shall operate all emissions control equipmentto provide the maximum air pollution control forwhich it was designed. (History: 75-2-111,75-2-203, 75-2-211,75-2-234, MCA; IMP, 75-2-211, 75-2-234, MCA; NEW, 2006 MAR p. 893, Eff. 4/7/06.)

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### Volume I Cha ter 9
STATE OF MONTANA Subject: Administrative AIR QUALITY CONTROL Rules of IMPLEMENTATION PLAN Montana

17.8.1711 ENVIRONMENTAL QUALITY

17.8.1711 OIL OR GAS WELL FACILITIES EMISSION CONTROL REQUIREMENTS (1) Theowneroroperator ofa registered oil orgaswell facility shall install and operatethe following air pollution control equipmentand complywith the following air pollution control practices beginning at the time ofregistration: (a) VOC vapors of200 Btu/scforgreaterfrom each piece ofoil orgaswell facility equipment, with a PTE greaterthan 15 tpy, must be captured and routed to a gas pipeline, routed to a smokeless combustion device equipped with an electronic ignition deviceora continuous burning pilot system, meeting the requirements of40 CFR 60.18, and operating at a 95% orgreatercontrol efficiency, or routed to air pollution control equipmentwith equal orgreatercontrol efficiency than a smokeless combustion device. The phrase "oil orgas well facility equipment" includes, but is not limited to, wellhead assemblies, amine units, prime moverengines, phase separators, heatertreatment units, dehydrator units, tanks, and connecting tubing, but does not include equipmentsuch as compressor engines used fortransmission ofoil or natural gas; (b) hydrocarbon liquids must be loaded into, orunloaded from, transportvehicles using submerged fill technology; (c) stationary internal combustion engines of rich-bum design greaterthan 85 brake horsepower (BHP) must be equipped with nonselective catalytic reduction or its equivalent to control airemissions; and (d) stationary internal combustion engines of lean-bum design greaterthan 85 BHP must be equipped with oxidation catalytic reduction orits equivalentto control air emissions. (History: 75-2­ 111,75-2-203,75-2-234, MCA; IMP, 75-2-234, MCA; NEW, 2006 MAR p. 893, Eff.4n/06.)

17.8.1712 OIL OR GASWELL FACILITIES INSPECTIONAND REPAIR REQUIREMENTS (1) The owner oroperatorofan oil orgaswell facility shall inspect all VOC piping components for leaks each calendar month. Leak detection methods may incorporate the useofsight, sound, or smell. (2) The owneroroperator shall makethe first attemptto repair any leaking VOC equipment within five days afterthe leak is detected. (3) The owneroroperator shall repair any leaking VOC equipmentas soon as practicable, but no laterthan 15days afterthe leak is initially detected, unless the repair is technically infeasible without a facility shutdown. Such equipmentshall be repaired beforethe end ofthe firstfacility shutdown afterthe leak is initiallydetected. (History: 75-2-111, 75-2-234, MCA; IMP, 75-2-234, MCA; NEW, 2006 MAR p. 893, Eff.4/7/06.)



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STATE OF MONTANA Subject: Administrative AIR QUALITY CONTROL Rules of IMPLEMENTATION PLAN Montana

AIR QUALITY 17.8.1713

17.8.1713 OIL OR GAS WELL FACILITIES RECORDKEEPING AND REPORTING REQUIREMENTS (1) The owneroroperator ofan oil orgas well facility shall record, and maintain onsite orat a central field office, a record ofeach monthly inspection required by ARM 17.8.1712. (2) Inspection records must include, at a minimum, the following information: (a) the date ofthe inspection; (b) the findings ofthe inspection; (c) the leak determination method used; (d) any corrective action taken; and (e) the inspector's name and Signature. (3) All records of inspection and repair must be kept as a permanent business record for at leastfive years, be available for department inspections, and be submitted to the department upon request. (4) The owneroroperatorofa registration eligible oil orgas well facility with

a detectible level of hydrogen sulfide from the well shall submit, with the registration form, an airquality analysis demonstrating compliance with ARM 17.8.210 and 17.8.214. (History: 75-2-111,75-2-234, MCA; IMP, 75-2-234, MCA; NEW, 2006 MAR p. 893, Eff. 

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17-785 ADMINISTRATIVE RULES OF MONTANA 

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