### FORINCLUSIONINWYOMING STATE IMPLEMENTATIONPLAN FROMWYOMINGAIR QUALITY STANDARDS AND REGULATIONS

Common Provisions 

### CHAPTER! Section 3. Definitions. (a) The definitions contained in Section 35-502.3, Wyoming Environmental Quality Act shall be applicable, where appropriate. The following terms as used in these standards and regulations shall, unless the context otherwise requires, have the following meanings:**'~dministrator"** means Administrator ofthe Division ofAir Quality, Wyoming Department ofEnvironmental Quality.**'~ir**

### contaminant" shall mean dust, fumes, mist, smoke, other particulate matter, vapor, gas or any combination ofthe foregoing, but shall not include steam or water vapor.**'~ir**

### pollution" shall mean the presence in the outdoor atmosphere ofone ormore air contaminants in such quantities and duration as is materially injurious to human health or welfare, animal orplant life or property, or unreasonably interferes with the enjoyment oflife orproperty.**'~nimal**

### matter" shall mean any product or derivative ofanimal life. 

### "Board" shall mean the Air Quality Advisory Board. 

### "Controlequipment" shall mean any device, contrivance, or system which prevents or reduces emissions. 

### "Controlofficer" shall mean the Director ofthe State Department of Environmental Quality, orthe Administrator ofthe Air Quality Division, or any employee ofthe Division designated by the Administrator, or any local health officer or employee designated by the Administrator. 

### "Council" shall mean the Environmental Quality Council. 

### "Department" shall mean the Wyoming Department ofEnvironmental Quality. 

### "Director" shall mean the Director ofthe Wyoming Department of Environmental Quality.

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### "Division" shall mean the Air Quality Division, Wyoming Department of Environmental Quality. 

### "Emission" shall mean a release into the outdoor atmosphere ofair contaminants. 

### "Equivalentmethod"shall mean any procedure, practice, policy, system or device which can be demonstrated to produce a result adequate for the purpose required in these regulations and consistent with specified reference methods. 

### "Existing equipment" shall mean equipment installed priorto the effective date ofan applicable regulation. 

### "Existingsource"means any stationary or portable source otherthan a new source. 

### "Facility" shall mean any property, real orpersonal, which may incorporate one or more sources ofair pollution and shall include but not be limited to processing plants, manufacturing plants, power generatorplants, refining plants, mining operations, lumber mills, ore processingplants, construction material processing operations, etc. 

### "Fuelburning equipment" shall mean any furnace, boiler apparatus, stack, or appurtenances thereto used in the process ofburning fuel or other combustible material for the purpose ofproducing heat orpower by indirect heat transfer.**~~Greenhouse**

### gases (GHGs)" means the air pollutant defined as the aggregate group ofsix greenhouse gases: carbon dioxide, nitrous oxide, methane, hydrofluorocarbons, perfluorocarbons, and sulfur hexafluoride. 

### "Incinerator" shall mean any equipment, device or contrivance used for the destruction ofgarbage, rubbish or other wastes byburning, but not wood wastes burned in devices commonly called tepee burners, silos, truncated cones, wigwam burners and other such burners used commonly by the wood products industry. 

### "Initialstart-up" shall mean that point in time when a source or group ofsources actually begins operation for the purpose ofgenerating goods or services as an end product or as an intermediate product. Start-up ofa source to check functional operation ofthe "machinery" shall not be construed as initial start-up. 

### "Installation" shall mean any property, real orpersonal, including but not limited to processing equipment, manufacturing equipment, fuel burning equipment, incinerators, or any other equipment, orconstruction, capable ofcreating or causing emissions. 

### "Maximum designproduction rate" shall mean the maximum production rate at which a source is designed for continuous or batch operation and for which the permit is applied.

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### "Modification" shall mean any physical change in, orchange in the method of operation of, an affected facility which increases the amount ofany air pollutant (to which any state standards applies) emitted by such facility orwhich results in the emission ofany such airpollutant not previously emitted. 

### "Motor vehicle" shall mean those vehicles carrying people orgoods on public streets orhighways.**~~Multiple** 

### chamber incinerator" shall mean any article, machine, equipment, contrivance, structure orpart ofa structure used to dispose ofcombustible refuse by burning, consisting oftwo or more combustion furnaces in series physically separated by walls, interconnected bygas passage ports or ducts and employing adequate parameters necessary for maximum combustion ofthe material to be burned. 

### "New equipment" shall mean: (i) Any equipment, installation, construction article, machine or contrivance ordered, constructed or installed after the effective date ofan applicable regulation; (ii) Anyequipmentreplaced or altered or processes changed in such a manner after the effective date ofan applicable regulation as to have an effect of increasing the production ofair contaminants; (iii) Any equipment moved after the effective date ofthis regulation to another premise involving a change ofaddress when said move will cause orwould be expected to cause an increase in the production ofair contaminants; (iv) Any equipment purchased and to be operated after the effective date ofthis regulation by a new owner or when a new lessee desires to operate such equipment. 

### "New source" shall mean any stationary or portable source, the construction or modification ofwhich is commenced after the effective date ofregulations prescribing a standard ofperformance applicableto such source. 

### "Odor" shall mean that property ofan emission which stimulates the sense of smell. 

### "Open burning"shall mean a fire where any material is burned in the open or in a receptacle otherthan a furnace, incinerator, or other equipment connected to a stack or chimney.

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### "Owneroroperator" shall mean anyperson who owns, leases, operates, controls, or supervises a facility, building, structure, or installation which directly or indirectly result or mayresult in emissions ofany air contaminant. 

### "Particulate matter": (i) "Particulate matter" shall mean any airborne finely divided solid or liquid material with an aerodynamic diameter smallerthan I00 micrometers. (ii) "Particulate matter emissions" shall mean all finely divided solid or liquid material, otherthan uncombined water, emitted to the ambient air as measured by applicable reference methods, specified in 40 CFR part 60, Appendix A. (iii) "PM10" shall mean particulate matter with an aerodynamic diameter less than orequal to a nominal I0 micrometers as measured by a reference method based on Appendix Jof40 CFR part 50, and designated in accordance with 40 CFR part 53. (iv) "PM10 emissions" shall mean finely divided solid or liquid material, with an aerodynamic diameter less than or equal to a nominal I0 micrometers emitted to the ambient air as measured by an applicable reference method, or an equivalent or alternate method approved bythe Administrator. (v) "Total suspended particulates (TSP)" shall mean particulate matter as measured bythe method described in Appendix B to 40 CFRpart 50. 

### "Person" means any individual, partnership, firm, association, municipality, public or private corporation, sub-division or agency ofthe state, trust, estate or any other legal entity. 

### "Premises" shall mean any property, piece ofland orreal estate or building. 

### "Process weight" shall mean the total weight ofall materials introduced into any specific process which may cause emissions. Solid fuels charged will be considered as part ofthe process weight but liquids and gaseous fuels, combustion air, and water will not. However, water included as part ofthe normal charge to a beet pulp dryer process shall be considered as part ofthe process weight. 

### "Reduction" shall mean any heated process, including rendering, cooking, drying, dehydrating, digesting, evaporating, and protein concentrating. 

### "Salvage operation" shall mean any operation conducted in whole or in part for the salvaging orreclaiming ofany product ormaterial. 

### "Source" shall mean any property, real or personal, or person contributingto air pollution.

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### "Stack orchimney"shall mean any flue, conduit or duct arranged to conduct emissions. 

### "Standardconditions"shall mean a temperature of68° Fahrenheit and pressure reduced to 29.92 inches ofmercury at sea level. 

### "Trade wastes" shall mean solid, liquid, or gaseous material resulting from construction orthe prosecution ofany business, trade or industry, or any demolition operation including but not limited to wood, plastics, cartons, grease, oil, chemicals and cinders.

### "Woodwaste burners" shall mean devices commonlycalled tepee burners, silos, truncated cones, wigwam burners, and other such burners commonly used by the wood product industry for the disposal byburning ofwood wastes. Section 7. Greenhouse gases. (a) Sources that directly emit, or have the potential to emit the pollutant Greenhouse Gases (GHGs) shall be subjectto operating permit requirements as specified in Chapter 6, Section 3, and subjectto prevention ofsignificant deterioration (PSD) permit requirements as specified in Chapter 6, Section 4. (b) Notwithstanding the requirements ofChapter 6, Section 2(a)(i) and (iii), a preconstruction permit under Chapter 6, Section 2 is not required for the pollutant Greenhouse Gases (GHGs) unless the facility or source is also required to obtain a permit for GHGs under Chapter 6, Section 4.

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