### (4-5-00) MARCH 30, 2007 REVISIONS TO 58.01.01 - RULES FORTHE CONTROL OF AIR POLLUTION IN IDAHO FOR INCLUSION IN IDAHO SIP 

### 006. GENERALDEFINITIONS. 01. Accountable. Any SIP emission trading program must account for the aggregate effect of the emissions trades in the demonstration ofreasonable further progress, attainment, or maintenance. (4-5-00) 02. Act. The Environmental Protection and Health Act of 1972 as amended (Sections 39-101 through 39-130, Idaho Code). (5-1-94) 03. Actual Emissions. The actual rate of emissions of a pollutant from an emissions unit as determined in accordance withthe following: (4-5-00)
a. In general, actual emissions as ofa particular date shall equal the average rate, in tons peryear, at which the unit actually emittedthe pollutant during a two-year period which precedes the particular date and which is representative ofnormal source operation. The Department shall allow the use ofa different time period upon a determination that it is more representative ofnormal source operation. Actual emissions shall be calculated using the unit's actual operatinghours, production rates, and types ofmaterials processed, stored, orcombusted during the selected time period. (4-5-00) b. The Department may presume that the source-specific allowable emissions for the unit are equivalentto actual emissions ofthe unit. (4-5-00)
c. For any emissions unit (other than an electric utility steam generating unit as specified below) which has not yet begun normal operations on the particular date, actual emissions shall equal the potential to emit ofthe uniton that date. (4-5-00) d. For an electric utility steam generating unit (other than a new unit or the replacement of an existing unit) actual emissions ofthe unit following the physical or operational change shall equal the representative actual annual emissions ofthe unit, provided the source owner oroperatormaintains and submits to the Department, on an annual basis for a period .offive (5) years from the date the unit resumes regular operation, information demonstratingthatthe physical oroperational change did notresult in an emissions increase. A longerperiod, notto exceed ten (10) years may be required by the Department ifitdetermines such a period to be more representative of normal source post-change operations. (4-5-00) 04. Adverse Impact on Visibility. Visibility impairment which interferes with the manalgeI1ttl protection, preservation, or enjoyment of the visitor's visual experience of the Federal Class I Area. This determination must be made on a case-by-case basis taking into account the geographic extent, intensity, duration, frequency, and time ofvisibility impairments, andhow these factors correlate with: (3-30-07)


### a. Times ofvisitoruse ofthe Federal Class I Area; and (3-30-07) 

### b. The frequency andtiming ofnatural conditionsthatreduce visibility. (3-30-07)
c. This term does not include affects on integral vistas when appliedto 40 CFR51.307. 05. Air Pollutant/Air Contaminant. Any substance, including but not limited to, dust, fume, gas, mist, odor, smoke, vapor, pollen, soot, carbon orparticulate matterorany combinationthereof. 06. Air Pollution. The presence in the outdoor atmosphere of any air pollutant or combination thereof in such quantity of such nature and duration and under such conditions as would be injurious to human health or welfare, to animal or plant life, or to property, or to interfere unreasonably with the enjoyment oflife or

### property. (4-5-00) 07. 

### Air Quality. The specific measurement inthe ambient air ofaparticularairpollutant at any given time. (5-1-94) OS. Air Quality Criterion. The information used as guidelines for decisions when establishing air quality goals and air quality standards. (5-1-94) 09. Allowable Emissions. The allowable emissions rate ofa stationary source or facility calculated using the maximum rated capacity of the source or facility (unless the source or facility is subject to federally enforceable limits which restrict the operating rate, or hours ofoperation, or both) and the most stringent ofthe following: (4-5-00)


### a. The applicable standards set forth in 40 CFRpart 60 and 61 ; (4-5-00) b. Any applicable State Implementation Plan emissions limitation including those with a future compliance date; or (4-5-00)
c. The emissions rate specified as a federally enforceable permit condition, including those with a future compliance date. (4-5-00) 10. 

### Ambient Air. That portion ofthe atmosphere, external to buildings, to which the general public has access. (5-1-94) 11. Ambient Air Quality Violation. Any ambient concentration that causes or contributes to an exceedance ofa national ambient air quality standard as determinedby 40 CFR Part 50. (4-11-06) 12. Atmospheric Stagnation Advisory. An air pollution alert declared by the Department when air pollutant impacts have been observed and/or meteorological conditions are conducive to additional air pollutant buildup. (4-11-06) 13. Attainment Area. Any area which is designated, pursuant to 42 U.S.C. Section 7407(d), as having ambient concentrations equal to or less than national primary or secondary ambient air quality standards for a air pollutantor airpollutants. (4-11-06) BART-Eligible Source. Any ofthe following stationary sources ofair pollutants, including any reconstructed source, which was not in operation prior to August 7, 1962, and was in existence on August 7, 1977, and has the potential to emit two hundred fifty (250) tons per year or more ofany air pollutant. In determining potential to emit, fugitive emissions, to the extentquantifiable, mustbe counted. (3-30-07)


### a. Fossil-fuel fired steam electric plants ofmore than two hundred fifty (250) million BTU's perhour heat input; (3-30-07) 

### b. Coal cleaningplants (thermal dryers); (3-30-07)
c. Kraftpulp mills; (3-30-07) 

### d. Portland cementplants; (3-30-07)


### e. Primary zinc smelters; (3-30-07) f. 

### Iron and steel mill plants; (3-30-07) 

### g. Primary aluminum ore reduction plants; (3-30-07)

2

### h. Primary coppersmelters; (3-30-07)

# ~ i. Municipal incinerators capable ofcharging more than two hundred fifty (250) tons ofrefuse per day; (3-30-07) j. Hydrofluoric, sulfuric, and nitric acid plants; (3-30-07) 

### k. Petroleumrefineries; (3-30-07) I. Lime plants; (3-30-07)
m. Phosphate rock processingplants; (3-30-07)
n. Coke ovenbatteries; (3-30-07)
o. Sulfurrecovery plants; (3-30-07) 

### p. Carbon blackplants (furnace process); (3-30-07) 

### q. Primary lead smelters; (3-30-07)


### r. Fuel conversion plants; (3-30-07)
s. Sinteringplants; (3-30-07) t. Secondarymetal productionfacilities; (3-30-07)


### u. Chemicalprocessplants; (3-30-07)
v. Fossil-fuel boilers ofmore than two hundred fifty (250) million BTU'sperhourheat input; (3-30-07)
w. Petroleum storage and transfer facilities with a capacity exceeding three hundred thousand (300,000) barrels; (3-30-07)


### x. Taconite oreprocessing facilities; (3-30-07) y. Glass fiber processingplants; and (3-30-07)
z. Charcoal productionfacilities. (3-30-07) 15. Baseline (Area, Concentration, Date). See Section 579. (5-1-94) 16. Best Available RetrofitTechnology (BART). Means an emission limitationbased onthe degree of reduction achievable through the application of the best system of continuous emission reduction for each pollutant which is emitted by an existing stationary facility. The emission limitation must be established, on a caseby-case basis, taking into consideration the technology available, the costs ofcompliance, the energy and non-air quality environmental impacts ofcompliance, any pollution control equipment in use or in existence at the source, ;:;degree of improvement in visibility which may reasonably be
17. Board. Idaho Board ofEnvironmental Quality. (5-1-94) 18. Breakdown. An unplanned failure ofany equipment or emissions unit which may cause excess emissions. (4-5-00)



### 319. BTU. British thermal unit. (5-1-94) 20. Clean AirAct. The federal Clean AirAct, 42U.S.C. Sections 7401 through 7671q. (5-1-94) 21. Collection Efficiency. The overall performance of the air cleaning device in terms ofratio of materials collected to total input to the collector unless specific size fractions of the contaminant are stated or required. (5-1-94) 22. Commence Construction or Modification. In general, this means initiation ofphysical on-site construction activities on an emissions unit which are ofa permanent nature. Such activities include, but are not limited to, installation ofbuilding supports and foundations, laying ofunderground pipework, and construction of permanent storage structures. With respect to a change in method of operation, this term refers to those on-site activities, otherthanpreparatory activities, which markthe initiation ofthe change. (4-5-00) 23. Complete. A determination made by the Department that all information needed to process a permit application has been submitted for review. (5-1-94) 24. Construction. Fabrication, erection, installation, ormodification ofa stationary sourceorfacility. (5-1-94) 25. Control Equipment. Any method, process orequipment which removes, reduces orrenders less noxious, air pollutants discharged into the atmosphere. (5-1-94) 26. Controlled Emission. Anemission which has been treated by control equipment toremove all or part ofan airpollutantbeforereleaseto the atmosphere. (5-1-94) 27. Criteria Air Pollutant. Any ofthe following: PM-I0; sulfur oxides; ozone, nitrogen dioxide; carbon monoxide; lead. (4-5-00) 

# .J
Deciview. A measurement of visibility impairment. A deciview is a haze index derived from calculated light extinction, such that uniform changes in haziness correspond to uniform incremental changes in perception across the entire range of conditions, from pristine to highly impaired. The deciview haze index is calculated based on the following equation (for the purposes of calculating deciview, the atmospheric lif!tt extinction coefficientmustbe calculated from aerosol measurements): Deciview Haze Index 10 

### In., (bex!1l0Mm' )**~..** bex! the atmospheric lightextinction coefficient, expressed in inverse megameters (Mm'I). (3-30-07) Department. The Department ofEnvironmental Quality. (5-1-94) 

### 30. DesignatedFacility. Any ofthe following facilities: (5-1-94)


### a. Fossil-fuel fired steam electric plants ofmore than two hundred fifty (250) million BTU's perhour heatinput; (5-1-94) 

### b. Coal cleaningplants (thermal dryers); (5-1-94)


### c. Kraftpulp mills; (5-1-94) 

### d. Portland cementplants; (5-1-94)


### e. Primary zinc smelters; (5-1-94) 

# r. Iron and steel mill plants; (5-1-94) 

### g. Primary aluminum orereduction plants; (5-1-94) 

### h. Primary copper smelters; (5-1-94)

4

### i. Municipal incinerators capable ofcharging more than two hundred and fifty (250) tons ofrefuse perday; (5-1-94) j. 

### Hydrofluoric, sulfuric, andnitric acid plants; (5-1-94) k. 

### Petroleumrefineries; (5-1-94) I. 

### Lime plants; (5-1-94)
m. Phosphate rock processing plants; (5-1-94)
n. Coke oven batteries; (5-1-94)
o. Sulfurrecovery plants; (5-1-94) 

### p. Carbonblack plants (furnace process); (5-1-94) q. Primary lead smelters; (5-1-94)
r. Fuel conversionplants; (5-1-94)
s. Sinteringplants; (5-1-94) t. 

### Secondary metal production facilities; (5-1-94)
u. Chemical process plants; (5-1-94)
v. Fossil-fuel boilers (or combination thereof) of more than two hundred and fifty (250) million BTU's perhourheat input; (5-1-94)


### w. Petroleum storage and transfer facilities with a capacity exceeding three hundred thousand (300,000) barrels; (5-1-94)


### x. Taconite ore processing facilities; (5-1-94) 

### y. Glass fiber processingplants; and (5-1-94)
z. 

### Charcoal production facilities. (5-1-94) 31. Director. The Director ofthe Department ofEnvironmental Quality orhis designee. (5-1-94) 32. Effective Dose Equivalent. The sum ofthe products ofabsorbed dose and appropriate factors to account for differences in biological effectiveness due to the quality ofradiation and its distribution in the body of reference man. The unit ofthe effective dose equivalentis the rem. It

### is generally calculated as an annual dose. (5-1-94) 33. Emission. Any controlled oruncontrolled release ordischarge into the outdoor atmosphere ofany air pollutants or combination thereof. Emission also includes any release or discharge ofany air pollutant from a stack, vent, orother means into the outdoor atmosphere that originates from an emission unit. (5-1-94) 34. Emission Standard. A permit or regulatory requirement established by the Department or EPA which limits the quantity, rate, or concentration ofemissions ofair pollutants on a continuous basis, including any requirements which limit the level ofopacity, prescribe equipment, set fuel specifications, or prescribe operation or maintenance procedures for a source to assure continuous emissionreduction. (4-5-00)

5

### 35. Emissions Unit. An identifiable piece ofprocess equipmentorotherpartofa facility which emits or may emit any air pollutant. This defmition does not alter or affect the term "unit" for the purposes of42 U.S.C. Sections 7651 through 76510. (5-1-94) 36. EPA. The United States Environmental Protection Agency and its Administrator or designee. (5-1-94) 37. EnvironmentalRemediation Source. A stationary source that functions to remediate orrecover any release, spill, leak, discharge or disposal ofany petroleum product orpetroleum substance, any hazardous waste or hazardous substance from any soil, ground water or surface water, and shall have an operational life no greater than five (5) years from the inception of any operations to the cessation of actual operations. Nothing in this definition shall be construed so as to actually limitremediationprojects to five (5) years or less oftotal operation. (5-1-95) 38. Excess Emissions. Emissions that exceed an applicable emissions standard established for any facility, source oremissions unit by statute, regulation, mle, permit, ororder. (4-11-06) 39. Existing Stationary Source or Facility. Any stationary source or facility that exists, is installed, oris underconstruction on the original effective date ofany applicable provision ofthis chapter. (5-1-94) 40. Facility. All ofthe pollutant-emitting activities which belong to the same industrial grouping, are located on one (I) or more contiguous or adjacent properties, and are under the control ofthe same person (or persons under common control). Pollutant-emitting activities shall be considered as part of the same industrial grouping if they belong to the same Major Group (i.e. which have the same two-digit code) as described in the Standard Industrial Classification Manual. The fugitive emissions shall not be considered in determining whether a permit is requiredunless required by federal law. (4-11-06) Federal Class I Area. Any federal land that is classified orreclassified "Class I." 

### (3-30-07) Federal Land Manager. The Secretary ofthe department with authority over the Federal Class I Secretary's designee). (3-30-07) 43. Federally Enforceable. All limitations and conditions which are enforceable by EPA and the Department under the Clean Air Act, including those requirements developed pursuant to 40 CFR Parts 60 and 61 requirements within any applicable State Implementation Plan, and any permitrequirements established pursuant to 40 CFR52.21 or underregulations approvedpursuantto 40CFRParts 51, 52, 60, or 63. (3-30-07) 44. Fire Hazard. The presence or accumulation of combustible material of such nature and in sufficient quantity that its continued existence constitutes an imminent and substantial danger to life, property, public welfare or adjacent lands. (5-1-94) 45. Fuel-Burning Equipment. Any furnace, boiler, apparatus, stack and all appurtenances thereto, used inthe process ofburning fuel for the primary purpose ofproducing heat orpowerby indirectheat transfer. (5-1-94) 46. FugitiveDust. Fugitive emissions composed ofparticulate matter. (5-1-94) 47. Fugitive Emissions. Those emissions which could not reasonablypass through a stack, chimney, vent, orother functionally equivalentopening. (5-1-94) 48. Garbage. Any waste consisting ofputrescible animal and vegetable materials resulting from the handling, preparation, cooking and consumption of food including, but not limited to, waste materials from households, markets, storage facilities, handling and sale ofproduce and otherfood products. (5-1-94) 49. Grain Elevator. Any plant or installation at which grain is unloaded, handled, cleaned, dried, stored, orloaded. (5-1-94)

6

### 50. Grain Storage Elevator. Any grain elevator located at any wheat flour mill, wet com mill, dry com mill (human consumption), rice mill, or soybean extraction plant which has a permanent grain storage capacity ofthirty five thousandtwo hundred (35,200) cubic meters (ca. 1million bushels).**(5~1~94)** 

### 51. Grain Terminal Elevator. Any grain elevator which has a permanent storage capacity ofmore than eighty-eight thousand one hundred 

### (88,lOO) cubic meters (ca. 2.5 million bushels), except those located at animal food manufacturers, petfood manufacturers, cereal manufacturers, breweries, and livestockfeedlots. (5-1-94) 52. Hazardous Air Pollutant (HAP). Any air pollutant listed pursuant to Section 112(b) of the Clean AirAct. Hazardous Air Pollutants are regulated air pollutants.**(4-11~06)** 

### 53. HazardousWaste. Any waste orcombination ofwastes ofa solid, liquid, semisolid, orcontained gaseous form which, because ofits quantity, concentration orcharacteristics (physical, chemical orbiological) may: (5-1-94)
a. Cause or significantly contribute to an increase in deaths or an increase in serious, irreversible, or incapacitatingreversible illnesses; or (5-1-94) b. Pose a substantial threat to human health or to the environment if improperly treated, stored, disposed of, ormanaged. Such wastes include, but are not limited to, materials which are toxic, corrosive, ignitable, or reactive, or materials which may have mutagenic, teratogenic, or carcinogenic properties; provided that such wastes do not include solid or dissolved material in domestic sewage, or solid or dissolved materials in irrigation return flows or industrial discharges which are allowed under a national pollution discharge elimination system permit, orsource, special nuclear, orby-product material as defined by42 U.S.C. Sections 20 14(e),(z) or(aa). (5-1-94) 54. Hot-Mix Asphalt Plant. Those facilities conveying proportioned quantities or batch loading of cold aggregate to a drier, and heating, drying, screening, classifYing, measuring and mixing the aggregate and asphalt for the purpose ofpaving, construction, industrial, residential orcommercial use. (5-I**~94)** 

### 55. Incinerator. Any source consisting ofa furnace and all appurtenances thereto designed for the destruction ofrefuse by burning. "Open Burning" is not considered incineration. For purposes ofthese rules, the destruction of any combustible liquid or gaseous material by burning in a flare stack shall be considered incineration. (5-1-94) 56. Indian Governing Body. The governing body ofany tribe, band, or group ofIndians subject to thejurisdictionoftheUnited States and recognized bythe United States as possessing power ofself-government.**(5~1-94)** 

### 57. Integral Vista. A view perceived from within the mandatory Class I Federal Area ofa specific landmarkorpanorama located outside the boundary ofthe mandatory Class I Federal Area.**(3~30-07)** 

### 58. KraftPulping. Any pulping process which uses, for a cooking liquor, an alkaline sulfide solution containing sodium hydroxide and sodium sulfide. (5-1-94)

## ~59. Least Impaired Days. The average visibility impairment (measured in deciviews) for the twenty

### p~20%) ofmonitoreddays in a calendaryear with the lowest amount ofvisibility impairment.

### (3-30~07) 60. Lowest Achievable Emission Rate (LAER). For any source, the more stringent rate of emissions based on the following:**(4~5-00)** 

### a. The most stringent emissions limitation which is contained in any State Implementation Plan for such class or category of facility, unless the owner or operator ofthe proposed facility demonstrates that such limitations are not achievable; or**(4~5-00)**



### 7b. The most stringent emissions limitation which is achieved in practice by such class orcategory of facilities. This limitation, when applied to a modification, means the lowest achievable emissions rate for the new or modified emissions units within the facility. In no event shall the application ofthe term permit a proposed new or modified facility to emit anypollutant in excess ofthe amount allowable under an applicable new source standard of performance. (4-5-00)

_ 61. Mandatory Class I FederalArea. Any areaidentified in 40CFR 81.400through 81.437. (3-30-07) 62. Member ofthe Public. For purposes ofSubsection 006.103.a.xvi., a person located at any offsite pointwherethere is a residence, school, business oroffice. (3-30-07) 63. Modification. (4-11-06)
a. Any physical change in, or change in the method ofoperation of, a stationary source or facility which results in an emission increase as defined in Section 007 orwhich results in the emission ofany regulated air pollutant notpreviously emitted. (4-11-06) b. Any physical change in, or change in the method ofoperation of, a stationary source or facility which results in an increase in the emissions rate ofany state only toxic air pollutant, oremissions ofany state only toxic airpollutant notpreviouslyemitted. (4-11-06)
c. Fugitive emissions shall not be considered in determining whether a permit is required for a modification unless required by federal law. (4-11-06) d. For purposes ofthis defmition ofmodification, routine maintenance, repair andreplacement shall not beconsideredphysical changes andthe following shall notbeconsidered a change in the methodofoperation: (3-30-07) 

### i. An increase in the production rate ifsuch increase does not exceed the operating design capacity ofthe affected stationary source, and ifamore restrictive productionrate is not specifiedina permit; (5-1-94) 

### ii. An increase in hours of operation if more restrictive hours of operation are not specified in a permit; and (5-1-94)
Ill. Use of an alternative fuel or raw material if the stationary source is specifically designed to accommodate such fuel or raw material and use of such fuel or raw material is not specifically prohibited in a permit. (4-5-00) 

### 64. Monitoring. Sampling and analysis, in a continuous ornoncontinuous sequence, usingtechniques which will adequately measure emission levels and/orambient air concentrations ofair pollutants. (5-1-94)

__ 65. Most Impaired Days. The average visibility impairment (measured in deciviews) for the twenty percent (20%) ofmonitored days in a calendaryear with thehighest amount ofvisibility impairment. (3-30-07) 66. Multiple Chamber Incinerator. Any article, machine, equipment, contrivance, structure or part of a structure used to dispose ofcombustible refuse by burning, consisting ofthree (3) or more refractory lined combustionfurnaces in series physically separated by refractory walls, interconnected by gas passage ports orducts and employing adequate parameters necessary for maximum combustion ofthe material tobeburned. (5-1-94)

.-.. 67. Natural Conditions. Includes naturally occurring phenomena that reduce visibility as measured

### ~s oflightextinction, visualrange, contrast, orcoloration. (3-30-07) 68. New StationarySourceorFacility. (5-1-94)
a. Any stationary source or facility, the construction or modification ofwhich is commenced after



### 8

### the original effective date ofany applicable provision ofthis chapter; or (5-1-94) b. The restart ofa nonoperating facility shall be considered a new stationary source or facility if: (5-1-94) 

### i. The restart involves a modification to 

### the facility; or (5-1-94) ii. After the facility has been in a nonoperating status for a period of two (2) years, and the Department receives an application for a Permit to Construct in the area affected by the existing nonoperating facility, the Department will, within five (5) working days ofreceipt of the application notify the nonoperating facility ofreceipt ofthe application for a Permit to Construct. Upon receipt ofthis Departmental notification, the nonoperating facility will comply with the following restart schedule or be considered a new stationary source or facility when it does restart: Within thirty (30) working days after receipt ofthe Department's notification ofthe application for a Permit to Construct, the nonoperating facility shall provide the Department with a schedule detailing the restart ofthe facility. The restart must begin within sixty (60) days ofthe date the Department receives the restart schedule. (5-1-94) 69. Nonattainment Area. Any area which is designated, pursuant to 42 U.S.C. Section 7407(d), as not meeting (or contributes to ambient air quality in a nearby area that does not meet) the national primary or secondary ambient airquality standard for the pollutant. (5-1-94) 70. Noncondensibles. Gases and vapors from processes that are not condensed at standard temperature and pressure unless otherwise specified. (5-1-94) 71. 

### Odor. The sensationresulting from stimulation ofthe human sense ofsmell. (5-1-94) 72. Opacity. A state which renders material partially or wholly impervious to rays oflight and causes obstructionofan observer's view, expressed as percent. (5-1-94) 73. Open Burning. The burning of any matter in such a manner that the products of combustion resulting from the burning are emitted directly into the ambient airwithoutpassingthrough a stack, duct or chimney. (5-1-94) 74. Operating Permit. A permit issued by the Director pursuant to Sections 300 through 386 and/or 400 through461. (4-5-00) 75. Particulate Matter. Any material, except water in uncombined form, that exists as a liquid or a solid at standard conditions. (5-1-94) 76. Particulate MatterEmissions. All particulate matter emitted to the ambient air as measured by an applicable reference method, or any equivalent oralternative method in accordance with Section 157. (4-5-00) 77. Permitto Construct. A permit issued by the Directorpursuantto Sections 200 through 228. (7-1-02) 78. Person. Any individual, association, corporation, firm, partnership or any federal, state or local governmental entity. (5-1-94) 79. PM-tO. All particulate matter in the ambient air with an aerodynamic diameter less than orequal to a nominal ten (10) micrometers as measured by a reference method based on Appendix J 

### of40 CFR Part 50 and designated in accordance with 40 CFR Part 53 or by an equivalent method designated in accordance with 40 CFR Part 53. (5-1-94) 80. PM-tO Emissions. All particulate matter, including condensible particulates, with an aerodynamic diameter less than or equal to a nominal ten (10) micrometers emitted to the ambient air as measured by an applicable reference method, or an equivalent or alternative method in accordance with Section 157. (4-5-00)

9

### 81. Potential to EmitIPotential Emissions. The maximum capacity ofa facility or stationary source to 

### emit an air pollutant under its physical and operational design. Any physical or operational limitation on the capacity ofthe facility or source to emit an air pollutant, including air pollution control equipment and restrictions on hours ofoperation oron the type or amount ofmaterial combusted, stored orprocessed, shall betreated as part of its design ifthe limitation or the effect it would have on emissions is state or federally enforceable. Secondary emissions do not count in determiningthe potential to emit ofa facility orstationary source. (3-30-07) 82. Portable Equipment. Equipment which is designed to be dismantled and transported from one (1)job site to anotherjobsite. (5-1-94) 83. PPM (partspermillion). Parts ofa gaseous contaminantpermillion parts ofgas by volume. (5-1-94) 84. Prescribed Fire Management Burning. The controlled application offire to wildland fuels in either their natural or modified state under such conditions ofweather, fuel moisture, soil moisture, etc., as will allow the fife to be confined to a predetermined area and at the same time produce the intensity ofheat and rate of spreadrequired to accomplish plannedobjectives, including: (5-1-94)


### a. Fire hazard reduction; (5-1-94) 

### b. The control ofpests, insects, ordiseases; (5-1-94)


### c. The promotion ofrange forage improvements; (5-1-94) 

### d. The perpetuation ofnatural ecosystems; 

### (5-1 -94)
e. The disposal ofwoody debris resulting from a logging operation, the clearing ofrights ofway, a land clearing operation, or a driftwood collection system; (5-1 -94) f. 

### The preparation ofplantingand seeding sites for forest regeneration; and (5-1-94) g. Otheraccepted natural resource managementpurposes. (5-1-94) 85. Primary Ambient Air Quality Standard. That ambient air quality which, allowing an adequate margin ofsafety, is requisite to protect the public health. (5-1-94) 86. Process or Process Equipment. Any equipment, device or contrivance for changing any materials whatever orfor storage orhandling ofany materials, and all appurtenances thereto, including ducts, stack, etc., the use of which may cause any discharge of an air pollutant into the ambient air but not including that equipment specifically defined as fuel-burning equipment orrefuse-burning equipment. (5-1-94) 87. Process Weight. The total weight ofall materials introduced into any source operation which may cause any emissions ofparticulate matter. Process weight includes solid fuels charged, but does not include liquid and gaseous fuels charged or combustion air. Water which occurs naturally in the feed material shall be consideredpart ofthe process weight. (5-1-94) 88. ProcessWeightRate. Therate establishedas follows: (5-1-94)
a. For continuous or long-run steady-state source operations, the total process weight for the entire period ofcontinuous operation or for a typical portion thereof, divided by the number ofhours ofsuch period or portion thereof; (4-5-00) b. For cyclical or batch source operations, the total process weight for a period that covers a complete cycle ofoperation oran integral number ofcycles, divided by the hours ofactual process operation during such a period. Where the nature ofany process oroperation orthe design ofany equipment is such as to permit more
10than one (I) interpretation of this definition, the interpretation that results in the minimum value for allowable emission shall apply. (4-5-00) 89. Quantifiable. The Department must be able to determine the emissions impact ofany SIP trading programs requirement(s) oremission limit(s). (4-5-00) 90. Radionuclide. A type ofatom which spontaneously undergoesradioactive decay. (5-1-94) Regional Haze. Visibility impairment that is caused by the emission of air pollutants from sources located over a wide geographic area. Such sources include, but are not limited to, major and stationary sources, mobile sources, and area sources. (3-30-07) Regulated Air Pollutant. (4-11-06)
a. Forpurposes ofdetermining applicability ofmajor source permit to operate requirements, issuing, and modifying permits pursuant to Sections 300 through 397, and in accordance with Title V ofthe federal Clean Air Act amendments of 1990,42 U.S.C. Section7661 et seq., "regulated airpollutant" shall have the same meaning as in Title V ofthe federal Clean Air Act amendments of 1990, and any applicable federal regulations promulgated pursuantto Title V ofthe federal CleanAir Act amendments of 1990, 40 CFRPart 70; (4-11-06) b. Forpurposes ofdetermining applicability ofany otheroperatingpermitrequirements, issuing, and modifying permits pursuant to Sections 400 through 410, the federal definition of "regulated air pollutant" as defined in Subsection006.94.a. shall also apply; (3-30-07)
c. For purposes of determining applicability of permit to construct requirements, issuing, and modifying permits pursuant to Sections200 through 228, except Section 214, and in accordance with Part D of Subchapter I ofthe federal Clean AirAct, 42 U.S.C. Section 7501 et seq., "regulated air pollutant" shall mean those air contaminants that are regulated in non-attainment areas pursuant to Part D ofSubchapter I ofthe federal Clean Air Act and applicable federal regulations promulgated pursuant to Part D ofSubchapter I ofthe federal Clean Air Act, 40 CFR51.165; and (4-11-06) 

### d. For purposes of determining applicability of any other major or minor permit to construct requirements, issuing, and modifying permits pursuant to 200 through 228, except Section 214, "regulated air pollutant" shall mean those air contaminants that are regulated in attainment and unclassifiable areas pursuant to Part C of Subchapter I of the federal Clean Air Act, 40 CFR 52.21, and any applicable federal regulations promulgatedpursuantto Part C ofSubchapter I ofthe federal CleanAirAct, 42 U.S.C. Section 7470 et seq.(4-11-06) 93. Replicable. Any SIP procedures for applying emission trading shall be structured so that two (2) independent entities would obtain the same result when determining compliance with the emission trading provisions. (4-5-00) 94. Responsible Official. One 

### (I) ofthe following: (5-1-94)
a. For a corporation: a president, secretary, treasurer, or vice-president ofthe corporation in charge ofa principal business function, or any other person who performs similar policy or decision-making functions for the corporation, ora duly authorizedrepresentative ofsuch person ifthe representative is responsible for the overall operation ofone (I) or more manufacturing, production, or operating facilities applying for or subject to a permit andeither: (5-1-94) 

### i. The facilities employ more than two hundred fifty (250) persons or have gross annual sales or expenditures exceeding twenty-five million dollars ($25,000,000) (in secondquarter 1980 dollars); or (4-5-00) 

### ii. The delegation ofauthority to suchrepresentative is approved in advancebythe Department. (5-1-94) b. Fora partnership orsole proprietorship: a generalpartnerorthe proprietor, respectively. (5-1-94)

Itc. For a municipality, State, Federal, or other public agency: either a principal executive officer or ranking elected official. Forthe purposes ofSection 

### 123, a principal executive officer ofa Federal agency includes the chief executive officer having responsibility for the overall operations of a principal geographic unit ofthe agency (e.g., a Regional AdministratorofEPA). 

### (4-5-00) 

### d. ForPhase II sources: 

### (5-1-94) 

### i. The designated representative in so far as actions, standards, requirements, or prohibitions under 

### 42 U.S.C. Sections

### 7651 through 

### 76510 orthe regulations promulgatedthereunder are concerned; and 

### (5-1-94) ii. The designated representative for any otherpurposes under

### 40 CFRPart

### 70.

## (5-1-~a) 95. Safety Measure. Any shutdown (and related startup) or bypass of equipment or processes undertaken toprevent imminent injury or death or severe damage to equipmentorproperty which may cause excess emissions. 

### (4-5-00) 96. Salvage Operation. Any source consisting ofany business, trade orindustry engagedin whole or in part in salvaging or reclaiming any product or material, such as, but not limited to, reprocessing ofused motor oils, metals, chemicals, shipping containers, or drums, and specifically including automobile graveyards and junkyards. 

### (5-1-94) 97. Scheduled Maintenance. Planned upkeep, repair activities and preventative maintenance on any air pollution control equipment or emissions unit, including process equipment, and including shutdown and startup ofsuch equipment. 

### (3-20-97) 98. Secondary Ambient Air Quality Standard. That ambient air quality which is requisite to protect the public welfare from any known or anticipated adverse effects associated with the presence of air
. j pollutants in the ambient air. 

### (5-1-94) ""'" 99. Secondary Emissions. Emissions which would occur as a result of the construction, modification, or operation ofa stationary source or facility, but do not come from the stationary source or facility itself. Secondary emissions must be specific, well defined, quantifiable, and affect the same general area 

### as the stationary source, facility, or modification which causes the secondary emissions. Secondary emissions include emissions from any off site support facility which would not be constructed or increase its emissions except as a result ofthe construction oroperationoftheprimary stationary source, facility ormodification. Secondaryemissions do not include any emissions which come directly from a mobile source regulated under 

### 42 U.S.c. Sections 

### 7521 through 

### 7590. (3-30-07) 

### tOO. Shutdown. The normal and customary time period required to cease operations of air pollution control equipment oranemissions unitbeginning with the initiation ofprocedurestoterminate normal operation and continuing until the termination is completed. 

### (5-1-94) 

### tOt. Significant. Inreference to a netemissions increase orthe potential ofa source to emitany ofthe following pollutants, a rate ofemissionsthat would equal orexceedany ofthe following: 

### (4-11-06)


### a. Pollutant and emissionsrate: 

### (4-11-06) 

### i. Carbonmonoxide, onehundred 

### (l00)tons peryear; 

### (5-1-94) ii. Nitrogen oxides, forty 

### (40) tons peryear; 

### (5-1-94) iii. Sulfurdioxide, forty 

### (40) tonsperyear; 

### (5-1-94) iv. Particulate matter, twenty-five 

### (25) tons per year ofparticulate matter emissions; fifteen 

### (15) tons peryearofPMIO emissions; 

### (4-11-06)

12v. Ozone, forty (40) tons peryear ofvolatile organic compounds; (4-11-06) 

# ....... vi. Lead, six-tenths (0.6) ofatonperyear; (5-1-94) vii. Fluorides, three (3) tons peryear; (5-1-94) viii. Sulfuric acid mist, seven (7) tons peryear; (5-1-94) ix. Hydrogen sulfide (H2S), ten (10) tons peryear; (5-1-94)
x. Totalreduced sulfur (including H2S), ten (10) tons peryear; (5-1-94) xi. Reduced sulfur compounds (including H2S), ten (10) tons peryear; (5-1-94) xii. Municipal waste combustor organics (measured as total tetra- through octa-chlorinated dibenzo-pdioxins and dibenzofurans), thirty-five ten-millionths (0.0000035) tons peryear; (5-1-94) xiii. Municipal waste combustor metals (measured as particulate matter), fifteen (15)tons peryear; (5-1-94) xiv. Municipal waste combustor acid gases (measured as sulfur dioxide and hydrogen chloride), forty (40)tons peryear; (5-1-94)
xv. Municipal solid waste landfill emissions (measured as nonmethane organic compounds), fifty (50) tons peryear; or (4-11-06) xvi. Radionuclides, a quantity of emissions, from source categories regulated by 40 CFR Part 61, Subpart H, that have beendetermined in accordance with 40 CFRPart 61, Appendix D and byDepartmentapproved methods, that would cause any member ofthe public to receive an annual effective dose equivalent ofat least one tenth (0.1) mrem per year, iftotal facility-wide emissions contribute an effective dose equivalent ofless than three (3) mrem per year; or any radionuclide emission rate, iftotal facility-wide radionuclide emissions contribute an effective dose equivalent ofgreaterthan orequal to three (3) mrem per year. (5-1-95) b. In reference to a net emissions increase orthe potential ofa source or facility to emit a regulated airpollutantnot listed in Subsection 006.103.a. above andnot atoxic airpollutant, any emissionrate; or (3-30-07)
c. For a major facility or major modification which would be constructed within ten (10) kilometers ofa Class I area, the emissions rate which would increase the ambient concentration ofan emitted regulated air pollutant inthe ClassI areaby one (1) microgram per cubic meter, twenty-four (24) hour average, or more. (4-5-00) 102. Significant Contribution. Any increase in ambient concentrations which would exceed the following: (5-1-94) B. Sulfur dioxide: (5-1-94) 

### i. One (1.0) microgrampercubic meter, annual average; (5-1-94) ii. Five (5) micrograms percubic meter, twenty-four (24) hour average; (5-1-94) iii. Twenty-five (25) micrograms percubic meter, three (3) hour average; (5-1-94) 

### b. Nitrogen dioxide, one (1.0) microgram percubic meter, annual average; (5-1-94)
c. Carbon monoxide: (5-1-94)

13i. One-half(0.5) milligrams percubic meter, eight (8) hour average; (5-1-94) ii. Two (2) milligrams per cubic meter, one (l)hour average; (5-1-94) d. PM-lO: (5-1-94) 

### i. One (1.0) microgram percubic meter, annual average; (5-1-94) 

### ii. Five (5.0) micrograms percubic meter, twenty-four (24) hour average. (5-1-94) 

### 103. SmallFire. A fire in which the material to be burned is not more than four (4) feet in diameternor more than three (3) feet high. (5-1-94) 

### 104. Smoke. Small gas-borne particles resulting from incomplete combustion, consisting predominantly, butnot exclusively, ofcarbon and othercombustible material. (5-1-94) 

### 105. Smoke Management Plan. A document issued by the Director to implement Sections 606 through 616, Categories ofAllowable Burning. (5-1-94) 

### 106. SmokeManagementProgram. A program whereby meteorological information, fuel conditions, fire behavior, smoke movement and atmospheric dispersal conditions are used as a basis for schedulingthe location, amount and timing ofopen burning operations so as to minimize the impact ofsuch burning on identified smoke sensitive areas. (5-1-94) 107. Source. A stationary source. 

### 108. Source Operation. The last operation preceding the emission of air pollutants, when this operation: (5-1-94)
a. Results in the separation ofthe airpollutants from the process materials or in the conversion ofthe process materials into airpollutants, as in the case offuel combustion; and (5-1-94) 

### b. Is not an air cleaningdevice. (5-1-94) 109. Stack. Any point in a source arranged to conduct emissions to the ambient air, including a chimney, flue, conduit, orduct but not including flares. (5-1-94) 110. Standard Conditions. Exceptas specifiedin Subsection 576.02 for ambient air quality standards, a 

### dry gas temperature oftwenty degrees Celsius (20C) sixty-eight degrees Fahrenheit (68F) and a gas pressure of seven hundred sixty (760) millimeters ofmercury (14.7 poundsper square inch) absolute. (4-5-00) 111. Startup. The normal and customary time period required to bring air pollution control equipment oran emissions unit, includingprocess equipment, from a nonoperational status intonormal operation. (5-1-94) 112. StationarySource. Any building, structure, facility, emissionsunit, orinstallation which emits or may emit any air pollutant. The fugitive emissions shall not be considered in determining whether a permit is required unless required by federal law. (4-11-06) 113. Tier I Source. Any ofthe following: (5-1-94) 

### a. Any source located at any majorfacility as defined in Section 008; (4-5-00) b. Any source, including an area source, subjectto a standard, limitation, orotherrequirement under 42 U.S.C. Section7411 or40CFRPart60, and requiredbyEPAto obtain a Part70 permit; (4-11-06)
c. Any source, including an area source, subject to a standard orother requirement under 42 U.S.C.

14Section 7412, 40 CFR Part 61 or 40 CFR Part 63, and required by EPA to obtain a Part 70 permit, except that a source is not required to obtain a permit solely because it is subject to requirements under 42 U.S.C. Section 7412(r); (4-11-06) 

### d. Any PhaseII source; and (5-1-94)

e. Any source in a source category designatedby the Department. (5-1-94) 114. Total Suspended Particulates. Particulate matter as measured by the method described in 40 CFR 50 Appendix 

### B. (4-5-00) 

### lIS. Toxic Air Pollutant. An air pollutant that has been determined by the Department to be by its nature, toxic to human or animal life orvegetation andlisted in Section585 or586. (5-1-94) 1I6. Toxic Air Pollutant Carcinogenic Increments. Those ambient air quality increments based on the probability ofdeveloping excess cancers over a seventy (70) year lifetime exposure to one (l) microgram per cubic meter (l uglm3) ofa given carcinogen and expressed in terms ofa screening emission level or an acceptable ambient concentrationfor a carcinogenictoxic airpollutant. They are listed in Section 586. (5-1-94) 1I7. Toxic Air PollutantNon-carcinogenic Increments. Those ambient air quality increments based on occupational exposure limits for airborne toxic chemicals expressed in terms ofa screening emission level or an acceptable ambientconcentration for a non-carcinogenic toxic airpollutant. They are listed in Section 585. (5-1-94) 118. Toxic Substance. Any airpollutantthat is determinedbythe Departmentto be by itsnature, toxic to human oranimal life orvegetation. (5-1-94) 119. Trade Waste. Any solid, liquid orgaseous material resulting from the construction ordemolition ofany structure, or the operation of any business, trade or industry including, but not limited to, wood product industry waste such as sawdust, bark, peelings, chips, shavings andcull wood. (5-1-94) 120. TRS (Total Reduced Sulfur). Hydrogen sulfide, mercaptans, dimethyl sulfide, dimethyl disulfide and any otherorganic sulfide present. (5-1-94) 121. Unclassifiable Area. An area which, because ofa lack ofadequate data, is unable tobe classified pursuantto42 U.S.C. Section 7407(d) as eitheran attainment ora nonattainment area. (5-1-94) 122. Uncontrolled Emission. An emission whichhas not beentreated bycontrol equipment. (5-1-94) 123. Upset. An unplanned disruption in the normal operations of any equipment or emissions unit which may cause excess emissions. (4-5-00)



### "124. Visibility

## Impair~ent. Any humanly perceptible change 

### in visibility (light extinction, visual**rahg&;~(jntrast,** coloration) from that which wouldhave existedundernatural conditions. (3-30-07) Visibility in Any Mandatory Class 

### I Federal Area. Includes any integral vista associated with (3-30-07) 126. Wigwam Burner. Wood waste burning devices commonly called teepee burners, silos, truncated cones, and other such burners commonly used by the wood product industry for the disposal by burning ofwood wastes. (5-1-94) 

### 127. Wood Stove CurtailmentAdvisory. Anair pollution alert issued through local authorities and/or the Departmentto limit wood stove emissions during air pollution episodes. (5-1-94)

15

### 007. DEFINITIONS FOR THE PURPOSES OF SECTIONS ZOO 

### THROUGH 2Z8 

### AND 400 THROUGH 461. 01. 

### Agricultural Activities and Services. For the purposes ofSubsection 222.02.f., the usual and customary activities of cultivating the soil, producing crops and raising livestock for use and consumption. Agricultural activities and services do not include manufacturing, bulk storage, handling for resale or the formulation ofany agricultural chemical listed in Sections 585 or586. (5-1-94) OZ. BaselineActual Emissions. The rate ofemissions, in tons peryear, ofaregulated air pollutant as determined by the following provisions: (4-11-06)
ft. 

### Forany existing electric utility steam generatingunit, baseline actual emissions means the average rate, in tons per year, at which the unit actually emitted the regulated air pollutant during any consecutive twentyfour (24) month period selected by the owner or operator within the five (5) year period immediately preceding when the owner or operatorbegins actual construction ofthe project. The Director shall allow the use ofa different time period upon adeterminationthat it is more representative ofnormal source operation. (4-11-06) i. The average rate shall include fugitive emissions to the extent quantifiable, and emissions associated with startups, shutdowns, and malfunctions. (4-11-06) ii. The average rate shall be adjusted downward to exclude any non-compliant emissions that occurred while the source was operating above any emission limitation that was legally enforceable during the consecutivetwenty-four (24) monthperiod. (4-11-06)
1ll. 

### For a regulated air pollutant, when a project involves multiple emissions units, only one (1) 

### consecutive twenty-four (24) month period must be used to determine the baseline actual emissions for all the emissions units being changed. A different consecutive twenty-four (24) month period can be used for each regulated air pollutant. (4-11-06) • 

# .J
iv. The average rate shall not be based on any consecutive twenty-four (24) month period for which there is inadequate information for determining annual emissions, in tons per year, and for adjusting this amount if required by Subsection 007.02.a.ii. (3-30-07) b. 

### Foran existing emissions unit (other than an electric utility steam generating unit), baseline actual emissions means the average rate, in tons per year, at which the emissions unit actually emitted the regulated air pollutant during any consecutive twenty-four (24) month period selected by the owner or operator within the ten (to) 

### year period immediately preceding either the date the owner or operator begins actual construction of the project, or the date a complete permit application is received by the Director for a permit required under these rules, whichever is earlier, except that the ten (to) 

### year period shall not include any period earlier than November 15, 1990. (4-11-06) 

### i. The average rate shall include fugitive emissions to the extent quantifiable, and emissions associated with startups, shutdowns, and malfunctions. (4-11-06) ii. The average rate shall be adjusted downward to exclude any non-compliant emissions that occurred while the source was operating above an emission limitation that was legally enforceable during the consecutivetwenty-four (24)monthperiod. (4-11-06)
lll. 

### The average rate shall be adjusted downward to exclude any emission limitation with which the source must currently comply, had such sourcebeenrequired to comply with such limitations during the consecutive twenty-four (24) month period; however, ifan emission limitation is part ofa standard or other requirement under 40 CFR 

### Part 63, the baseline actual emissions need only be adjusted ifthe Department has taken credit for such emissionsreductions in an attainmentdemonstration or maintenance plan. (4-11-06) iv. For a regulated air pollutant, when a project involves multiple emissions units, only one (1) 

# .J consecutive twenty-four (24) month period must be used to determine the baseline actual emissions for all the
16emissions units being changed. A different consecutive twenty-four (24) month period can be used for each regulated airpollutant. (4-11-06)
v. The average rate shall not be based on any consecutive twenty-four (24) month period for which there is inadequate information for determining annual emissions, in tons per year, and for adjusting this amount if required by Subsections 006.03.b.ii. and 006.03.b.iii. (4-11-06)
c. Fora new emissions unit, the baseline actual emissions for purposes ofdetermining the emissions increase that will result from the initial construction and operation ofsuch unit shan equal zero (0); and, thereafter, for all otherpurposes, shall equal the unit'spotentialto emit. (4-11-06) d. For a plantwide applicability limit (PAL) for a stationary source, the baseline actual emissions shall be calculated for existing electric utility steam generating units in accordance with the procedures contained in Subsection 007.02.a, for other existing emissions units in accordance with the procedures contained in Subsection 007.02.b, and for a new emissions unit in accordance with the procedures contained in Subsection007.02.c. (3-30-07) 

### 03. Begin Actual Construction. Commence construction. (4-11-06) 

### 04. Emissions Increase. The amount by which projected actual emissions exceed baseline actual emissions ofan emissions unit. (4-11-06) 

### OS. Innovative Control Technology. Any system of air pollution control that has not been adequately demonstrated in practice, but would have a substantial likelihood of achieving greater continuous emissions reduction than any control system in current practice, or ofachieving at least comparable reductions at lower cost in terms ofenergy, economics, ornon-airquality environmental effects. (5-1-94) 06. Net Emissions Increase. For purposes ofSections 204 and205, a net emissions increase shall be defmed by the federal regulations incorporated by reference. For purposes ofSection 210, a net emissions increase shall be an emissions increase from a particular modification plus any other increases and decreases in actual emissions atthe facility that are creditable andcontemporaneous withthe particular modification, where: (4-11-06)
a. A creditable increase or decrease in actual emissions is contemporaneous with a particular modification ifit occurs between the date five (5) years before the commencement ofconstruction or modification on the particular change and the date that the increase from the particularmodification occurs. Any replacement unit that requires shakedown becomes operational only after a reasonable shakedown period, notto exceed one hundred and eighty (I80) days; (4-5-00) b. A decrease in actual emissions is creditable only if it satisfies the requirements for emission reduction credits (Section460) andhas approximatelythe same qualitative significance for public healthand welfare as that attributed to the increase from the particular modification, and is federally enforceable at and after the time thatconstruction ofthe modificationcommences. (4-5-00)
c. The increase in toxic air pollutant emissions from an already operating or permitted source is not included 

### in the calculationofthe net emissions increase for a proposed new source ormodification if: (5-1-95) 

### i. The already operating or permitted source commenced construction or modification prior to July 1, 1995; or (5-1-95) 

### ii. The uncontrolled emission rate from the already operating or permitted source is ten per cent (10010) orless ofthe applicable screening emissions level listed in Section 585 or586; or (6-30-95)
111. The already operating or permitted source is an environmental remediation source subject to or regulated by the Resource Conservation and Recovery Act (42 U.S.C. Sections 6901-6992k) and "Idaho Rules and Standards for Hazardous Waste," (IDAPA 58.01.05.000 et seq.) or the Comprehensive Environmental Response, Compensation and Liability Act (42 U.S.C. 6901-6992k) ora consentorder. (6-30-95)

1707. Pilot Plant. A stationary source located at least one quarter (1/4) mile from any sensitive receptor that functions to test processing, mechanical, orpollution control equipment to determine full-scale feasibility and which does not produceproducts thatare offered for sale except in developmental quantities. (5-1-94) 08. ProjectedActual Emissions. (4-11-06)
a. The maximum annual rate, in tons per year, at which an existing emissions unit is projected to emit a regulated air pollutant in anyone (1) ofthe five (5) years (twelve (12) month period) following the date the unit resumes regular operation after the project, or in anyone (I) ofthe ten (l0) years following that date, ifthe project involves increasing the emissions unit's design capacity or its potential to emit that regulated air pollutant and full utilization ofthe unitwould result in a significant emissions increase or a significantnet emissions increase at anexisting major stationary source. (4-11-06) b. Indeterminingtheprojected actual emissions,the owneroroperator ofthe stationary source: (4-11-06) i. Shall consider all relevant information including, butnot limited to, historical operational data, the company's own representations, the company's expectedbusiness activity and the company'shighest projections of business activity, the company's filings with state or federal regulatory authorities, and compliance plans under the approved state implementationplan; and (4-11-06) ii. Shall include fugitive emissions to the extent quantifiable and emissions associated with startups, shutdowns, and malfunctions; and (4-11-06)
Ill. Shall exclude, in calculating any increase in emissions thatresults from the particular project, that portion ofthe unit's emissions following the project that an existing unit could have accommodated during the consecutive twenty-four (24) month periodused to establish the baseline actual emissions and that are also unrelated tothe particularproject, includingany increased utilization due toproductdemand growth; or (4-11-06) iv. In lieu ofusing the method set out in Subsections 007.1l.b.i. through 007.1l.b.iii., may elect to use the emissions unit'spotentialto emit, in tons peryear. (4-11-06) 09. Reasonable Further Progress (RFP). Annual incremental reductions in emissions of the applicable air pollutant as identified in the SIP which are sufficient to provide for attainment of the applicable ambient air quality standardby the required date. (4-11-06) 10. Sensitive Receptor. Any residence, building or location occupied or frequented by persons who, due to age, infirmity or other health based criteria, may be more susceptible to the deleterious effects ofa toxic air pollutant than the general population including, but not limited to, elementary and secondary schools, day care centers, playgrounds and parks, hospitals, clinics and nursing homes. (5-1-94) ll. Short Term Source. Any new stationary source or modification to an existing source, with an operational life no greater than five (5) years from the inception of any operations to the cessation of actual operations. (5-1-94) 12. Toxic Air Pollutant Reasonably Available Control Technology (T-RACT). An emission standard based on the lowest emission oftoxic air pollutants that a particular source is capable ofmeeting by the application of control technology that is reasonably available, as determined by the Department, considering technological and economic feasibility. Ifcontroltechnology is not feasible, the emission standard may bebased on the applicationofa design, equipment, workpractice or operationalrequirement, orcombinationthereof. (5-1-94)

18008. DEFINITIONS FORTHE PURPOSES OF SECTIONS 300THROUGH386. 01. Affected States. AU States: (5-1-94)


### a. Whose airquality may be affected by the emissions ofthe Tier I source and that are contiguousto Idaho; or (5-1-94) b. That are within fifty (50)miles ofthe Tier I source. (5-1-94) 02. Allowance. An authorization allocated to a Phase II source by the EPA to emit during or after a specified calendaryear, one (I)ton ofsulfurdioxide. (5-1-94) 03. Applicable Requirement. All ofthe following ifapproved orpromulgated byEPAasthey apply to emissions units in a Tier I source (including requirements that have been promulgated through rulemaking at the time ofpermit issuance butwhich have future-effective compliance dates): (5-1-94)
a. Any standard or other requirement provided for in the applicable state implementation plan, including any revisions tothat plan thatare specifiedin 40 CFRParts 52.670 through 52.690. (5-1-94) b. Any term or condition ofany permits to construct issued by the Department pursuant to Sections 200 through 223 orby EPA pursuant to 42 U.S.C. Sections 7401 through 7515; provided that terms or conditions relevant onlytotoxic airpollutants are notapplicablerequirements. (4-5-00)


### c. Any standardorotherrequirement under42 U.S.C. Section 7411 including40 CFRPart 60; (5-1-94) 

### d. Any standard or other requirement under 42 U.S.C. Section 7412 including 40 CFRPart 61 and 40 CFRPart 63; (5-1-94)


### e. Any standard or other requirement of the acid rain program under 42 U.S.C. Sections 7651 through 76510; (5-1-94) f. Any requirements established pursuant to 42 U.S.C. Section 7414(a)(3), 42 U.S.C. Section 7661c(b) or Sections 120 through 128 ofthese rules; (3-23-98) 

### g. Any standard or other requirement governing solid waste incineration, under 42 U.S.C. Section 7429; (5-1-94) h. Any standardor other requirement for consumer and commercial products and tank vessels, under 42 U.S.C. Sections 7511b(e) and 

### (t); and (5-1-94) i. Any standard or other requirement under 42 U.S.C. Sections 7671 through 7671q including 40 CFRPart 82. (5-1-94) 

### j. Any ambient air quality standard or increment or visibility requirement provided in 42 U.S.C. Sections 7470 through 7492, but only as applied to temporary sources receiving Tier I operating permits under Section 324. (5-1-94) 04. Designated Representative. A responsible person orofficial authorizedbythe owner or operator ofa Phase II unit to represent the owner or operator in matters pertaining to the holding, transfer, ordisposition of allowances allocatedto a Phase IIunit, andthe submission ofand compliance with permits, permit applications, and complianceplans for the Phase IIunit. (5-1-94) 05. Draft Permit. The version ofa Tier I operating permit that is made available bythe Department for public participation and affected State review. (5-1-94)

1906. Emergency. Forthe purposes ofSection 332, an emergency is any situation arising from sudden and reasonably unforeseeable events beyond the control ofthe owner or operator, including acts ofGod, which situationrequires immediate corrective action torestore normal operation and that causes the Tier I source to exceed a technology-based emission limitation under the Tier I operating permit due to unavoidable increases in emissions attributable to the emergency. An emergency shall not include noncompliance to the extent caused by improperly designed equipment, lack ofpreventative maintenance, careless orimproper operation, oroperatorerror. (4-5-00) 07. Final Permit. The version ofa Tier I permit issued by the Department that has completed all review proceduresrequired in Sections 364 and 366. (5-1-94) 

### 08. General Permit. A Tier 

### I permit issuedpursuantto Section 335. (3-23-98) 09. Insignificant Activity. Those activities that qualify as insignificant in accordance with Section 317. (3-23-98) 10. Major Facility. A facility (as defined in Section 006) is major ifthe facility meets any ofthe following criteria: (3-23-98)


### a. For hazardous air pollutants: (3-23-98) i. The facility emits orhas the potentialto emitten (10) tons peryear (tpy) ormore ofany hazardous air pollutant, other than radionuclides, which 

### has been listed pursuant to 42 U.S.C. Section 7412(b); provided that emissions from any oil orgas exploration orproduction well (with its associated equipment) andemissions from any oil or gas pipeline compressor or pump station shall not be aggregated with emissions from other similar emission units within the facility. (5-1-94) 

### ii. The facility emits or has the potential to emit twenty-five (25) tpy or more ofany combination of any hazardous air pollutants, other than radionuclides, which have been listed pursuant to 42 U.S.C. 7412(b); provided that emissions from any oil or gas exploration or production well (with its associated equipment) and emissions from any oil or gas pipeline compressor or pump station shall not be aggregated with emissions from othersimilaremissionunits within the facility. (5-1-94) 

### b. Fornon-attainment areas: (3-23-98) 

### i. The facility is locatedin a "serious" particulate matter (PM-IO) nonattainment area and the facility has the potential to emit seventy (70) tpy ormore ofPM-IO. (5-1-94) ii. The facility is located in a "serious" carbon monoxide nonattainment area in which stationary sources are significant contributorstocarbonmonoxide levels and the facility has thepotentialto emit fifty (50) tpy ormore ofcarbon monoxide. (5-1-94)
Ill. The facility is located in an ozone transport region established pursuant to 42 U.S.C. Section 7511c andthe facility has the potentialto emit fifty (50) tpy ormore ofvolatile organic compounds. (5-1-94) iv. The facility is located in an ozonenonattainment area and, depending upon the classification ofthe nonattainment area, the facility has the potential to emit the following amounts ofvolatile organic compounds or oxides of nitrogen; provided that oxides of nitrogen shall not be included if the facility has been identified in accordance with 42 U.S.C. Section 7411a(t)(l)or(2) ifthe area is "marginal" or"moderate," one hundred (100)tpy or more, ifthe area is "serious," fifty (50) tpy ormore, ifthe area is "severe," twenty-five (25) tpy ormore, and if the area is "extreme,"ten (10) tpy ormore. (3-23-98)
c. The facility emits or has the potential to emit one hundred (l00) tons per year or more ofany regulated air pollutant. The fugitive emissions shall not be considered in determining whether the facility is major unlessthe facility belongs to one (I)ofthe following categories: (4-11-06) 

### i. Designatedfacilities. (3-23-98)

20

### ii. All other source categories regulated by 40 CFR Part 60, 40 CFR Part 61 or 40 CFR Part 63, but only with respect to those airpollutants that have been regulated for that category and only ifdetermined by rule by the AdministratorofEPA pursuantto Section 302(j) ofthe Clean Air Act. (4-5-00) 11. Part70. Unless specifiedotherwise in this chapter, all definitions adopted under 40 CFR Part 70, revised as ofJuly 1,2006, are hereby incorporated by reference. (3-30-07) 12. PermitRevision. Any permit modification, administrative amendmentorreopening. (3-19-99) 13. Phase II Source. A source that is subject to emissions reduction requirements of 42 U.S.C. Section 7651 through 76510 and shall have the meaning given to itpursuant to those sections. (5-1-94) 14. Phase II Unit. A unit that is subject to emissions reduction requirements of42 U.S.C. Sections 7651 through 76510 and the term shall have the meaning given to itpursuant to those sections. (5-1-94) 15. Proposed Permit. The version ofa permit that the Department proposes to issue and forwards to the EPA for review. (5-1-94) 16. Section 502(b)(10) Changes. Changes that contravene an express permit term. Such changes do not include changesthat wouldviolate applicable requirements orcontravene federally enforceable permitterms and conditions that are monitoring (including test methods), recordkeeping, reporting, or compliance certification requirements. (3-19-99) 17. Tier I Operating Permit. Any permit covering 

### a Tier I 

### source that is issued, renewed, amended, orrevisedpursuantto Sections 300 through 386. (3-19-99) 009. DEFINITIONS FORTHE PURPOSES OF40 CFRPART 60. Notwithstanding the definitions listed in Sections 006 through 008, the definitions in 40 CFR Part 60 shall have the meaning given in that Part, exceptthatthe term "Administrator" shall mean "Department." (5-1-94) 010. DEFINITIONSFORTHE PURPOSES OF40 CFRPART61 AND 40 CFRPART63. Notwithstanding the definitions listed in Sections 006 through 008, the definitions in 40 CFR Part 61 and 40 CFR Part63 shall have the meaning given inthose Parts, exceptthatthe term "Administrator" shall mean "Department." (5-1-94) 107. INCORPORATIONS 

### BY REFERENCE. 03. Documents Incorporated by Reference. The following documents are incorporated by reference into these rules: (5-1-94)
a. Requirements for Preparation, Adoption, and Submittal ofImplementation Plans and Appendix 

### W to Part 51--Guideline on Air Quality Models. 40 CFR Parts 51 revised 

### as ofJuly 1,2006. The following portions of 40 CFR Part51 are expressly excluded from any incorporation byreference into these rules: (3-30-07) i. 

### The cleanunit and pollution controlprojectprovisions in 40 CFR 51.165; (3-30-07)**~~:** 

### All sections included in 40 CFR Part 51, Subpart P, Protection ofVisibility, except that 40 CFR

### 51.~r~'O~(a), 51.307, and 51.308 are incorporated by reference into these rules; and (3-30-07) Appendix 

### Yto Part 51, Guidelines for BART DeterminationsUnderthe Regional 

### Haze Rule. (3-30-07) 

### b. National Primary and Secondary Ambient Air Quality Standards, 40 CFR Part 50, revised 

### as of July 1, 2006. (3-30-07)

## ~**~rt.~~~:::'** 

# '. Requirements for Preparation, Adoption, and Submittal of Implementation Plans, Protection of**-~~** 

### 21

# • Visibility, 40 CFR51.301, 51.304(a), 51.307, and 51.308,revised as ofJuly 1,2006. (3-30-07) d. Approval and Promulgation ofImplementation Plans, 40 CFR Part 52, excluding the clean unit and pollution controlprojectprovisions in 40 CFR52.21, revised

### as ofJuly I, 2006. (3-30-07)


### e. Ambient Air Monitoring Reference and EquivalentMethods, 40CFR Part53, revised 

### as ofJuly 1, 2006. (3-30-07) f. Ambient Air Quality Surveillance, Quality Assurance Requirements for Prevention ofSignificant Deterioration (pSDAirMonitoring), 40 CFRPart58, AppendixB, revised as ofJuly I, 2006. (3-30-07) g. Standards ofPerformance for New Stationary Sources, 40 CFRPart 60, revised as ofJuly 1,2006. (3-30-07) 

### h. National Emission Standards for Hazardous Air Pollutants, 40 CFR Part 61, revised 

### as ofJuly I, 2006. (3-30-07) i. National Emission Standards for Hazardous AirPollutants for SourceCategories, 40 CFRPart 63, revised as ofJuly I, 2006. (3-30-07) j. Compliance Assurance Monitoring, 40 CFRPart64, revised 

### as ofJuly 1,2006. (3-30-07) 

### k. Permits, 40 CFRPart72, revised as ofJuly 1,2006. (3-30-07) I. SulfurDioxide Allowance System, 40 CFRPart73, revised

### as ofJuly 1,2006. (3-30-07)
m. Protection ofStratospheric Ozone, 40 CFRPart 82, revised as ofJuly I, 2006. (3-30-07) 

### n. Clean Air Act, 42 U.S.C. Sections 7401 through 7671g(1997). (3-19-99)
o. Determining Conformity ofFederalActions to State orFederal ImplementationPlans: Conformity to State or Federal Implementation Plans of Transportation Plans, Programs and Projects Developed, Funded or Approved Under Title 23 U.S.C. or the Federal Transit Laws, 40 CFRPart 93, SubpartA, Sections 93.100 through 93.129, revised as ofJuly 1,2006, except that Sections 93.102(c), 93.104(d), 93.l04(e)(2), 93.105, 93.109(c)-(f), 93.llS(e), 93.119(f)(3), 93.120(a)(2), 93.121(a)(1), and 93.124(b) 

### are expressly omitted from the incorporation by reference. (3-30-07) p. The fmal rule for Standards ofPerformance for New and Existing Stationary Sources: Electric Utility Steam Generating Units, 70 Fed. Reg. 2S,606 (May IS, 2005), corrected at70 Fed. Reg. 51,266 the fmal rule for Standards of Performance for Electric Utility Steam Generating Units, Industrial-Commercial-Institutional Steam Generating Units, and Small Industrial-Commercial-Institutional Steam Generating Units, only asit applies to coal fired electric steam generating units 

### as defined in 40 CFR 60.24, 71 Fed. Reg. 9865 (February 27, 2006); Revision of December 2000 Clean Air Act Section l12(n) Finding Regarding Electric Utility Steam Generating Units; and Standards of Performance for New and Existing Electric Utility Steam Generating Units: Reconsideration, 71 Fed. Reg. 33,388 (June 9, 2006) are expressly excluded from any incorporation by reference intothese rules. (3-30-07) 

### 199. ELECTRIC GENERATINGUNIT CONSTRUCTIONPROHIBITION. No owner or operator shall construct or operate an Electric Generating Unit (EGU), as defined in 40 CFR 60.24, with a potential to emitmercury (Hg) emissions. " (3-30-07) 

### 200. PROCEDURESANDREQUIREMENTSFORPERMITSTOCONSTRUCT. The purposes ofSections 200 through 228 is to establish uniform procedures and requirements for the issuance of "Permits to Construct." As used throughout Sections 200 through 228 and 578 through 581, major facility shall be defmed 

### as major stationary source in 40 CFR52.21(b), revised 

### as ofJuly 1,2005, and major modification shall be 

# J defmed as in 40 CFR 52.21(b), revised 

### as ofJuly 1,2006. These CFR sections have been codified in the electronic

22

### CFRwhich is available at www.gpoaccess.gov/ecfr
. (3-30-07) 204. PERMIT REQUIREMENTS FOR NEW MAJOR FACILITIES OR MAJOR MODIFICATIONS IN NONATTAINMENT AREAS. New major facilities or major modifications proposed for location in a nonattainment area and which would be major for the nonattainment regulated air pollutant are considered nonattainment new source review (NSR) actions and are subject to the requirements in Section 204. Section 202 contains application requirements and Section 209 contains processing requirements for nonattainment NSR permitting actions. The intent of Section 204 is to incorporate the federal nonattainment NSR rule requirements. (4-6-05) 01. Incorporated Federal Program Requirements. Requirements contained in the following subparts of40 CFR 51.165, excluding the clean unit and pollution control project provisions, revised as ofJuly 1, 2005, are hereby incorporated by reference. Requirements contained in the following subparts of40 CFR 52.21, revised as ofJuly 1, 2006, are hereby incorporated by reference. These CFR sections have been codified in the electronic CFR which is available at www.gpoaccess.gov/ecfr
40 CFR Reference 40 CFR Reference Title 40 CFR 51.165(a)(1) Definitions 40 CFR 51.165(a)(2)(ii)(A) - (J) Applicability Provisions 40 CFR 51.165(a)(6)(i) - (v) Applicability Provisions 40 CFR 52.21 (aa) Actual PALs



### '-- (3-30-07) 02. Additional Requirements. The applicant must demonstrate to the satisfaction ofthe Department the following: (4-6-05)
a. LAER. Except as otherwise provided in Section 204, the new major facility ormajor modification would be operated at the lowest achievable emission rate (LAER) for the nonattainment regulated air pollutant, specifically: (4-6-05) i. A new major facility would meet the lowest achievable emission rate at each new emissions unit which emits the nonattainmentregulated air pollutant; and (4-5-00) ii. A major modification would meet the lowest achievable emission rate at each new or modified emissions unit whichhas a net emissions increase ofthe nonattainmentregulated airpollutant. (4-5-00) b. Required offsets. Allowable emissions from the new major facility or major modification are offset by reductions in actual emissions from stationary sources, facilities, and/or mobile sources in the nonattainment area so as to represent reasonable further progress. All offsetting emission reductions must satisfy the requirements for emission reduction credits (Section 460) and provide for a net air quality benefit which satisfies the requirements ofSection 208. Ifthe offsets are provided by other stationary sources or facilities, a permitto construct shall not be issued for the new major facility or major modification until the offsetting reductions are made enforceable through the issuance of operating permits. The new major facility or major modification may not commence operation, and an operatingpermit for the new major facility or major modification shall not be effective before the date the offsettingreductions are achieved. (4-5-00)
c. Compliance status. All other sources in the State owned or operated by the applicant, or by any entity controlling, controlled by or under common control with such person, are in compliance with all applicable emission limitations and standards or subject to an enforceable compliance schedule. (5-1-94)

23d. Effect on visibility. The effect on visibility ofany federal Class I area, Class I area designatedby the Department, or integral vista of a mandatory Class I Federal Area, by the new major facility or major modification, is consistent with makingreasonable progress toward the national visibility goal referred to in 40 CFR 51.300(a). The Department may take into account the costs ofcompliance, the time necessary for compliance, the energy and non-air quality environmental impacts ofcompliance and the useful life ofthe source. Any integral vista which the Federal Land Manager has not identified at least six (6) months prior to the submittal of a complete application, or which the Department determines was not identified in accordance withthe criteria adoptedpursuant to 40 CFR51.304(a), may 

### be exempted from Section 204 by the Department. (3-30-07) 03. Nonmajor Requirements. If the proposed action meets the requirements of an exemption or exclusion under the provisions of40 CFR 51.165 or 40 CFR 52.21 incorporated in Section 204, the nonmajor facility orstationary sourcepermittingrequirements ofSections 200 through 228 apply, includingthe exemptions in Sections 220 through 223. (4-6-05) 205. PERMIT REQUIREMENTS FOR NEW MAJOR FACILITIES OR MAJOR MODIFICATIONS IN ATTAINMENT ORUNCLASSIFIABLEAREAS. The prevention of significant deterioration (PSD) program is a construction permitting program for new major facilities and major modifications to existing major facilities located in areas in attainment or in areas that are unclassifiable for any criteria airpollutant. Section 202 contains application requirements and Section 209 contains processing requirements for PSD permit actions. The intent ofSection 205 is to incorporate the federal PSD rule requirements. (4-6-05) 01. Incorporated Federal Program Requirements. Requirements contained in the following subparts of40 CFR 52.21, excluding the clean unit and pollution control project provisions, revised as ofJuly I, 2006, are hereby incorporated by reference. These CFR sections have been codified inthe electronic CFR which is available at www.gpoaccess.gov/ecfr.
40 CFR Reference 40 CFR Reference Title 40 CFR 52.21(a)(2) Applicability Procedures 40 CFR 52.21(b) Definitions 40 CFR 52.21 (i) Review of Major Stationary Sources and Major Modifications

- Source Applicability and Exempting 40 CFR 52.21(j) Control Technology Review 40CFR5 urce Impact Analysis 40 CFR 52.21 (r) Source Obligation 40 CFR 52.21 (v) Innovative Control Technology 40 CFR 52.21(w) Permit Rescission 40 CFR 52.21(aa) Actual PALS (3-30-07) 02. Effect on Visibility. The applicant must demonstrate that the effect on visibility ofany federal Class 

### I area, Class 

### I areadesignatedbythe Department, orintegral vista ofa mandatory Class 

### I FederalArea, by the new major facility or major modification, is consistent with making reasonable progress toward the national

24visibility goal referred to in 40 CFR 51.300(a). The Department may take into account the costs ofcompliance, the time necessary for compliance, the energy and non-air quality environmental impacts ofcompliance and the useful life ofthe source. Any integral vista which the Federal Land Manager has not identified at least six (6) months prior to the submittal ofa complete application, or which the Department determines was not identified in accordance with the criteria adoptedpursuantto 40 CFR51.304(a), maybe exempted from this requirementbythe Department.
03. Exception to Incorporation by Reference of 40 CFR 52.21. Every use of the word Administrator in 40 CFR 52.21 means the Departmentexcept for the following: (4-6-05)
a. In 40 CFR 52.21(b)(17), the definition of federally enforceable, Administrator means the EPA Administrator. (4-6-05) b. In 40 CFR 52.21(1)(2), air quality models, Administrator means the EPA Administrator. (4-6-05)
c. In 40 CFR 52.21(b)(43), permit program approved bythe Administrator, Administrator means the EPA Administrator. (4-6-05) 

### d. In 40 CFR 52.21(b)(48)(ii)(c), MACT standard that is proposed or promulgated by the Administrator, Administrator means the EPAAdministrator. (4-6-05)
e. In 40 CFR 52.21(b)(50)(i), regulated NSR pollutant as defined by Administrator, Administrator means the EPA Administrator. (4-6-05) 04. Nonmajor Requirements. 

### Ifthe proposed action meets the requirements of an exemption or exclusion under the provisions of40 CFR 52.21 incorporated in Section 205, the nonmajor facility or stationary source permitting requirements of Sections 200 through 228 apply, including the exemptions in Sections 220 through 223. (4-6-05) 600. RULESFORCONTROLOFOPENBURNING. The purpose ofSections 600 through 617 is to reduce the amount ofemissions and minimize the impact ofopen burning to protecthuman health and the environment from air pollutants resulting from open burning as well as to reduce the visibility impairment in mandatory Class I Federal Areas in accordance with the regional haze long-term strategy referenced at Section 667. (3-30-07) 651. GENERAL RULES. All reasonable precautions shall betaken to prevent particulate matter from becoming airborne. In determining what is reasonable, consideration will be given to factors such as the proximity ofdust emitting operations to human habitations and/or activities, the proximity to mandatory Class I Federal Areas and atmospheric conditions which might affect the movement ofparticulate matter. Some ofthe reasonable precautions may include, but are not limitedto, the following: (3-30-07) 01. Use ofWater orChemicals. Use, where practical, ofwater orchemicals for control ofdust in the demolition ofexistingbuildings orstructures, construction operations, the grading ofroads, orthe clearing ofland. (5-1-94) 02. Application ofDustSuppressants. Application, where practical, ofasphalt, oil, water or suitable chemicalsto, orcovering ofdirtroads, material stockpiles, and other surfaces which cancreate dust. (5-1-94) 03. Use ofControlEquipment. Installation and use, where practical, ofhoods, fans and fabric filters orequivalent systems to enclose and vent the handling ofdusty materials. Adequate containment methods should be employedduring sandblasting orother operations. (5-1-94) 04. Covering ofTrucks. Covering, when practical, open bodied trucks transporting materials likely togive rise to airborne dusts. (5-1-94)

25**~**05. Paving. Pavingofroadways and theirmaintenance in a clean condition, where practical. (5-1-94) 06. Removal of Materials. Prompt removal of earth or other stored material from streets, where practical. 

# ....., (5-1-94) 665. REGIONAL HAZE RULES. The purpose of Sections 665 through 668 is to address regional haze visibility impairment in mandatory Class [ Federal Areas. The intent of Sections 665 through 668 is to set forth the requirements to implement the federal programs for visibility protection andregional haze. (3-30-07) 666. REASONABLE PROGRESSGOALS. The Departmentwill establish reasonable progress goals, expressed in deciviews for each mandatory Class I Federal Area located within Idaho. These goals will provide for reasonable progress toward achieving natural visibility conditions. The reasonable progress goals must provide for an improvement in visibility for the most impaired days overthe period ofthe implementation plan and ensure no degradation in visibility for the least impaired days over the same period. The reasonable progress goals are not directly enforceable, but will be implemented through enforceable strategies in the long-term strategy. (3-30-07) 01. Process for Setting Reasonable Progress Goals. In establishing a reasonable progress goal for any mandatory Class I FederalAreawithin Idaho, the Department shall: (3-30-07)
a. Consider the costs of compliance, the time necessary for compliance, the energy and non-air quality environmental impacts ofcompliance, and the remaining useful life ofany potentially affected sources, and include a demonstration showinghow these factors were taken into consideration in selectingthe goal. (3-30-07) b. Analyze and determine the rate ofprogress needed to attain natural visibility conditions by the year 2064. To calculate this rate ofprogress, the Department will compare baseline visibility conditions to natural visibilityconditions in the mandatory Class 1Federal Area and determine the uniformrate ofvisibility improvement (measured in deciviews) that would need to be maintained during each implementation period in order to attain natural visibility conditions by 2064. In establishing the reasonable progress, the Department will consider the uniform rate ofimprovement in visibility and the emission reduction measures needed to achieve it for the period coveredby the implementationplan. (3-30-07) 

### ,1 .""

c. Consult with those states which may reasonably be anticipated to cause or contribute to visibility impairment inthe mandatory Class I FederalArea. (3-30-07) 02. Justification for Reasonable Progress Goals. If the Department establishes a reasonable progress goal that provides for a slowerrate ofimprovement in visibility than the rate that would beneededto attain natural conditions by 2064, the Department will demonstrate, based on the factors in Subsection 666.01.a., that the rate ofprogress for the implementation plan to attain natural conditions by 2064 is not reasonable; and that the progress goal adopted by the Department is reasonable. The Department will provide to the public for review, as part ofits implementation plan, an assessment ofthe number ofyears it would take to attain natural conditions if visibility improvementcontinues atthe rate ofprogress selectedbythe Department as reasonable. (3-30-07) 667. LONG·TERMSTRATEGY FORREGIONAL HAZE. The purpose ofSection 667 is to develop a long-term strategy for making reasonable progress toward the national goal ofpreventing any future and remedying any existing impairment ofvisibility in mandatory Class I Federal Areas inwhich impairmentresults from man-made airpollution. (3-30.07) 01. Submittal of Long-Term Strategy. The Department will submit to EPA a long-temi strategy that addresses regional haze visibility impairment for each mandatory Class I Federal Area within the state and for each mandatoryClass I Federal Area located outside the state which may beaffected by emissions from the state. (3-30.07) 02. Enforceable Emission Limitations. The long-term strategy must include enforceable emissions 

# J IImltal:lOnls, compliance schedules, and other measures as necessary to achieve the reasonable progress goals

26establishedbythe Department. (3-30-07) 

### 03. Requirements for Long-Term Strategy. In establishing long-term strategy for regional haze, the Department will meet the following requirements: (3-30-07)
a. The Department will document the technical basis, including modeling, monitoring and emissions information, onwhich the state is relyingtodetermine its apportionmentofemissionreduction obligations necessary for achieving reasonable progress in each mandatory Class I Federal Area it affects. The Department may meetthis requirement by relying on technical analyses developed by the regional planning organization and approved by all state participants. The Department will identify the baseline emission inventory on which its strategies 

### are based. The baseline emissions inventory year is presumed to be the most recentyear ofthe consolidated periodic emissions inventory. (3-30-07) b. The Department will identify all anthropogenic sources ofvisibility impairment considered by the Department in developing its long-term strategy. The Department should consider major and minor stationary sources, mobile sources, and area sources. (3-30-07)
c. The Department will consider, at a minimum, the following factors in developing its long-term strategy: (3-30-07) i. Emissionreductions due to ongoing 

### air pollution control programs, including measures to address reasonably attributable visibility impairment; (3-30-07) 

### ii. Measures to mitigate the impacts ofconstruction activities; (3-30-07) 

### iii. Emissions limitations and schedules for complianceto achieve the reasonable progress goal; (3-30-07) iv. Source retirement replacement schedules; (3-30-07)
v. Smoke managementtechniques for agricultural and forestry managementpurposes includingplans as currently existwith the state for these purposes; (3-30-07) vi. Enforceability ofemissions limitations and control measures; and (3-30-07) vii. The anticipated net effect on visibility due to projected changes in point, area, and mobile source emissions overthe period addressedbythe long-term strategy. (3-30-07) 04. Interstate Consultation. The Department will undertake the following process in developing the long-term strategy where interstate consultation is required. (3-30-07)
a. Where Idaho has emissions that are reasonably anticipatedto contribute to visibility impairmentin any mandatory Class I Federal Area located in another state or states, the Department will consult with the other state(s) in order to develop coordinatedemission management strategies. (3-30-07) b. The Department will consult with any other state having emissions that are reasonably anticipated to contribute to visibility impairmentin 

### any mandatory Class I FederalArea within Idaho. (3-30-07)
c. Where other states cause or contribute to impairment in a mandatory Class I Federal Area, the Department must demonstrate that the state 

### has included in its implementation plan all measures necessary to obtain its share of the emission reductions needed to meet the progress goal for the area. If the state of Idaho has participated 

### in a regional planning process, the Department must ensure the state has included all measures needed to achieve its apportionment ofemission reduction obligations agreed upon throughthatprocess. (3-30-07)


### 668. BARTREQUIREMENTFORREGIONAL HAZE.


### 27

### The purpose ofSection 668 is to implement the BART requirements in 40 CFR 51.308(e). The following analysis and documentation is required for each BART-eligible source: (3-30-07) 01. BART-Eligible Sources. The Department shall identify a listofall BART-eligible sources within the state. (3-30-07) 02. BART Determination. The Department shall complete a determination of BART for each BART-eligible source in the state that emits any air pollutant which may reasonably be anticipated to cause or contribute to any impairment ofvisibility in any mandatory Class 1 Federal Area. All such sources are subject to BART. (3-30-07)
a. A single source that is responsible for a one (l.0) deciview change or more in any mandatory Class IFederal Area is consideredto "cause" visibility impairment. (3-30-07) b. A single source that is responsible for a one-half(0.5) deciview change or more in any mandatory Class IFederal Area is consideredto "contribute" to visibility impairment. (3-30-07)
c. The determination of BART must be based on an analysis of the best system of continuous emission control technology available and associated emissionreductions achievable for eachBART-eligible source that is subjectto BART within the state. Inthis analysis, the following mustbetaken into consideration: (3-30-07) 

### i. Costs ofcompliance; (3-30-07) 

### ii. Energy andnon-airquality environmental impacts ofcompliance; (3-30-07) 

### iii. Any pollution control equipment in use at the source; (3-30-07) iv. The remaininguseful life ofthe source; and (3-30-07) 

# J

v. The degree ofimprovement in visibility which may reasonably be anticipated to result from the use ofsuch technology. (3-30-07) 

### d. The Departmentmay determine that a BARTdetermination is not required: (3-30-07) i. For sulfur dioxide (S02) orfor nitrogen oxides (NOJ ifa BART-eligible source has the potential to emit less than forty (40) tons peryear ofsuchpollutant(s); or (3-30-07) ii. ForPMlO ifa BART-eligible sourceemits less than fifteen (15) tons peryear ofsuchpollutant. (3-30-07) 03. Alternative to Infeasible Emission Standards. If the Department determines in establishing BART that technological or economic limitations on the applicability ofmeasurement methodology to a particular source would make the imposition ofan emission standard infeasible, it may instead prescribe a design, equipment, work practice, or other operational standard, or combination thereof, to require the application of BART. Such standard, to the degree possible, is to set forth the emission reduction to be achieved by implementation ofsuch design, equipment, workpractice, oroperation and must provide for compliancebymeans which achieve equivalent results. (3-30-07) 04. BARTInstallation and OperationDueDate. Each source subjectto BART is required to install and operate BART as expeditiously as practicable, but in no event later than five (5) years after approval ofthe implementationplan. (3-30-07) 05. Maintenance of BART Equipment. Each source subject to BART is required to maintain the control equipment required by the Department and establish procedures to ensure such equipment is properly operated and maintained. (3-30-07)


### 28

### (3-30-07) ·06. BART Alternative. As an alternative to the installation of BART for a source or sources, the Department may approve a BART alternative. Ifthe Department approves source grouping as a BART alternative, only sources (including BART-eligible and non-BART eligible sources) causing or contributing to visibility impairmentto the same mandatory Class IFederalArea may be grouped together. (3-30-07)
a. If a source(s) proposes a BART alternative, the resultant emissions reduction and visibility impacts must be 

### compared withthose thatwould result from the BART options evaluated for the source(s).(3-30-07) b. Source(s) proposing a BART alternative must demonstrate thatthis BART alternative will achieve greaterreasonable progressthan would be achieved throughthe installation and operation ofBART. (3-30-07)
c. Source(s) proposing a BART alternative shall include in the BART analysis an analysis and justificationoftheaveraging period and method ofevaluatingcompliance withthe proposed emission limitation. (3-30-07) 07. Reasonable Progress Goal Requirements for BART-Eligible Sources. Once the Department has met the requirements for BART or BART alternative, as identified in Subsection 668.06, BART-eligible sources will be subject to the requirements ofreasonable progress goals, as defined in 40 CFR 51.308(d), in the same manner as other sources.



### 29