Nevada Administrative Code

NAC 445B.176 “Solid waste” defined. (NRS 445B.210) “Solid waste” means refuse, more than 50 percent of which is municipal type waste consisting of a mixture of paper, wood, yard wastes, food wastes, plastics, leather, rubber, and other combustibles and noncombustible materials su…

NAC 445B.177 “Source” defined. (NRS 445B.210) “Source” has the meaning ascribed to it in NRS 445B.155. [Environmental Comm’n, Air Quality Reg. § 1.60, eff. 11-7-75; renumbered as § 1.177, 12-4-76]—(NAC A 10-30-95)

NAC 445B.178 “Source reduction” defined. (NRS 445B.210) 1. “Source reduction” means any practice which reduces: (a) The amount of a regulated air pollutant or pollutants, including fugitive emissions, emitted to the ambient air before the application of control equipment; and (b)…

NAC 445B.180 “Stack” and “chimney” defined. (NRS 445B.210) “Stack” or “chimney” means any flue, conduit or duct which conducts a regulated air pollutant to the atmosphere. [Environmental Comm’n, Air Quality Reg. § 1.62, eff. 11-7-75; renumbered as § 1.178, 12-4-76]—(NAC A 10-14-8…

NAC 445B.182 “Standard” defined. (NRS 445B.210) “Standard” means a standard of performance that is proposed or promulgated by the Administrator or the Director pursuant to NAC 445B.001 to 445B.735, inclusive. [Environmental Comm’n, Air Quality Reg. § 1.180, eff. 12-4-76]—(NAC A 3…

NAC 445B.185 “Start-up” defined. (NRS 445B.210) “Start-up” means the setting in operation of an affected facility for any purpose. [Environmental Comm’n, Air Quality Reg. § 1.179, eff. 12-4-76]—(Substituted in revision for NAC 445.627)

NAC 445B.187 “Stationary source” defined. (NRS 445B.210) 1. “Stationary source” means all buildings, structures, facilities and installations, including temporary sources, which: (a) Belong to the same major industrial groupings described in the Standard Industrial Classification…

NAC 445B.190 “Stop order” defined. (NRS 445B.210) “Stop order” means a written notice by the Director served on a person or persons requiring such persons to cease the activity that the Director, pursuant to NAC 445B.277, has determined is in violation of any provision of NAC 445…

NAC 445B.191 “Surplus” defined. (NRS 445B.210, 445B.300) “Surplus” means an emission reduction that: 1. Has not been relied on in any air quality program related to any nonattainment area state implementation plan; 2. Is not a requirement of any nonattainment area state implement…

NAC 445B.194 “Temporary source” defined. (NRS 445B.210) “Temporary source” means any building, structure, facility or installation which: 1. Emits or may emit any regulated air pollutant; 2. May be moved from one location to another; 3. Is located or operated in a location for a …

NAC 445B.196 “Toxic regulated air pollutant” defined. (NRS 445B.210) “Toxic regulated air pollutant” means a substance designated as such by the Commission based upon the Commission’s determination of the extent to which the substance presents a risk to the public health. (Added …

NAC 445B.198 “Uncombined water” defined. (NRS 445B.210) “Uncombined water” means visible mist or condensed water vapor. [Environmental Comm’n, Air Quality Reg. § 1.65, eff. 11-7-75; renumbered as § 1.205, 12-4-76; A and renumbered as § 1.200, 8-28-79]—(Substituted in revision for…

NAC 445B.200 “Violation” defined. (NRS 445B.210) “Violation” means a failure to comply with any of the provisions of NAC 445B.001 to 445B.390, inclusive, any applicable requirement or any condition of an operating permit. [Environmental Comm’n, Air Quality Reg. § 1.203, eff. 8-28…

NAC 445B.202 “Volatile organic compounds” defined. (NRS 445B.210) “Volatile organic compounds” has the meaning ascribed to it in 40 C.F.R. § 51.100(s), as incorporated by reference in NAC 445B.221. [Environmental Comm’n, Air Quality Reg. § 1.67, eff. 11-7-75; renumbered as § 1.20…

NAC 445B.205 “Waste” defined. (NRS 445B.210) “Waste” means useless, unneeded, or superfluous matter or discarded or excess material. [Environmental Comm’n, Air Quality Reg. § 1.68, eff. 11-7-75; renumbered as § 1.209, 12-4-76; A and renumbered as § 1.205, 8-28-79]—(Substituted in…

NAC 445B.207 “Wet garbage” defined. (NRS 445B.210) “Wet garbage” means a combination of waste and garbage which contains more than 50 percent moisture. [Environmental Comm’n, Air Quality Reg. § 1.69, eff. 11-7-75; renumbered as § 1.211, 12-4-76; A and renumbered as § 1.207, 8-28-…

NAC 445B.209 “Year” defined. (NRS 445B.210) “Year” means any consecutive 365-day period. (Added to NAC by Environmental Comm’n, eff. 10-22-87)—(Substituted in revision for NAC 445.6535)

NAC 445B.211 Abbreviations. (NRS 445B.210) The abbreviations used in NAC 445B.001 to 445B.390, inclusive, have the following meanings: BART........................................................ Best available retrofit technology Btu..............................................…

NAC 445B.220 Severability. (NRS 445B.210) If any of the provisions of NAC 445B.001 to 445B.390, inclusive, or any application thereof to any person, thing or circumstance is held invalid, it is intended that such invalidity not affect the remaining provisions, or their applicatio…

NAC 445B.2201 Hazardous air pollutants and toxic regulated air pollutants: Identification. (NRS 445B.210) 1. A substance is a hazardous air pollutant if it: (a) Is on the federal list of hazardous air pollutants set forth in 42 U.S.C. § 7412(b), as adopted by reference in NAC 445…

NAC 445B.22013 Hazardous air pollutants and toxic regulated air pollutants: Prohibited discharge. (NRS 445B.210) An owner or operator shall not cause or permit the discharge into the atmosphere from any stationary source of any hazardous air pollutant or toxic regulated air pollu…

NAC 445B.22017 Visible emissions: Maximum opacity; determination and monitoring of opacity. (NRS 445B.210) 1. Except as otherwise provided in this section and NAC 445B.2202, no owner or operator may cause or permit the discharge into the atmosphere from any emission unit which is…

NAC 445B.2202 Visible emissions: Exceptions for stationary sources. (NRS 445B.210) The provisions of NAC 445B.22017 do not apply to: 1. Smoke from the open burning described in NAC 445B.22067; 2. Smoke discharged in the course of training air pollution control inspectors to obser…

NAC 445B.22027 Emissions of particulate matter: Maximum allowable throughput for calculating emissions rates. (NRS 445B.210) For purposes of NAC 445B.22027 to 445B.22037, inclusive, the maximum allowable throughput to be used to calculate allowable emission rates must be the maxi…

NAC 445B.2203 Emissions of particulate matter: Fuel-burning equipment. (NRS 445B.210) 1. No person may cause or permit PM10 emissions resulting from the combustion of fuel in fuel-burning equipment in excess of the quantity set forth in the following formulas: (a) For maximum inp…

NAC 445B.22033 Emissions of particulate matter: Sources not otherwise limited. (NRS 445B.210) 1. Owners or operators of stationary sources not otherwise included in NAC 445B.22027 to 445B.22037, inclusive, shall not cause or permit PM10 to be discharged from any emission unit int…

NAC 445B.22037 Emissions of particulate matter: Fugitive dust. (NRS 445B.210) 1. No person may cause or permit the handling, transporting or storing of any material in a manner which allows or may allow controllable particulate matter to become airborne. 2. Except as otherwise pr…

NAC 445B.2204 “Sulfur emission” defined. (NRS 445B.210) For purposes of NAC 445B.2204 to 445B.22063, inclusive, “sulfur emission” means the sulfur portion of the sulfur compounds emitted. [Environmental Comm’n, Air Quality Reg. § 8.2.2.4, eff. 11-7-75; renumbered as § 8.2.4, 12-4…

NAC 445B.22043 Sulfur emissions: Calculation of total feed sulfur. (NRS 445B.210) For the purposes of NAC 445B.2204 to 445B.2205, inclusive, total feed sulfur must be calculated as the aggregate sulfur content of all fuels and other feed materials whose products of combustion and…

NAC 445B.22047 Sulfur emissions: Fuel-burning equipment. (NRS 445B.210) 1. No person may cause or permit the emission of compounds of sulfur caused by the combustion of fuel in fuel-burning equipment in excess of the quantity calculated by the use of the formula in subsection 2 o…

NAC 445B.2205 Sulfur emissions: Other processes which emit sulfur. (NRS 445B.210, 445B.300) 1. No person may cause or permit the emission of sulfur compounds where the sulfur originates in the material being processed, excluding hydrogen sulfide and sulfur from all solid, liquid …

NAC 445B.22057 Allowable emissions of sulfur from specific sources: Units Numbers 1, 2 and 3 of Reid Gardner Power Station. (NRS 445B.210) The allowable emission of sulfur from fossil fuel-fired power generating units Numbers 1, 2 and 3 of NV Energy’s Reid Gardner Station, locate…

NAC 445B.2206 Allowable emissions of sulfur from specific sources: Unit Number 4 of Reid Gardner Power Station. (NRS 445B.210) The allowable emission of sulfur from fossil fuel-fired power generating unit Number 4 of NV Energy’s Reid Gardner Station, located in Air Quality Contro…

NAC 445B.22063 Allowable emissions of sulfur from specific sources: North Valmy Power Station. (NRS 445B.210) The allowable emission of sulfur from fossil fuel-fired power generating unit Number 2 NV Energy’s North Valmy Station, located in Air Quality Control Region 147, Basin 6…

NAC 445B.22067 Open burning. (NRS 445B.210) 1. The open burning of any combustible refuse, waste, garbage or oil, or for any salvage operations, except as specifically exempted, is prohibited. 2. Open burning: (a) For the purpose of weed abatement, conservation, disease control, …

NAC 445B.2207 Incinerator burning. (NRS 445B.210) 1. Except as otherwise provided in subsection 6: (a) Burning in any incinerator other than the multiple-chamber type is prohibited. (b) Incinerator burning which produces, for periods totaling 1 minute in 1 hour, a visible emissio…

NAC 445B.22073 Municipal solid waste landfills. (NRS 445B.210) 1. Except as otherwise provided in subsections 2 and 3, a municipal solid waste landfill must: (a) Install a system designed to collect and control the emission of nonmethane organic compounds not later than 30 months…

NAC 445B.22077 Compliance with regulations. (NRS 445B.210) Any portion of any affected facility not listed in NAC 445B.2208 must comply with the remaining portions of NAC 445B.001 to 445B.390, inclusive. [Environmental Comm’n, Air Quality Reg. Art. 16, eff. 12-4-76]—(NAC A 3-17-8…

NAC 445B.2208 Emission of hydrogen sulfide from certain facilities for generating electricity from geothermal brine. (NRS 445B.210) The emission of hydrogen sulfide from the facilities for generating electricity from geothermal brine at the Oxbow Geothermal Corporation’s geotherm…

NAC 445B.22083 Construction, major modification or relocation of plants to generate electricity using steam produced by burning of fossil fuels. (NRS 445B.210) 1. Except as otherwise provided in subsections 2 and 3, a person shall not make a major modification to an existing plan…

NAC 445B.22087 Odors. (NRS 445B.210) 1. No person may discharge or cause to be discharged, from any stationary source, any material or regulated air pollutant which is or tends to be offensive to the senses, injurious or detrimental to health and safety, or which in any way inter…

NAC 445B.2209 Reduction of animal matter. (NRS 445B.210) 1. The operation of any machine, equipment or other contrivance for the reduction of animal matter is prohibited unless all gases, vapors and gas-entrained effluents are: (a) Incinerated at temperatures of not less than 140…

NAC 445B.22093 Organic solvents and other volatile compounds. (NRS 445B.210) 1. Solvents or other volatile compounds such as paints, acids, alkalies, pesticides, fertilizers and manure must be processed, stored, used and transported in such a manner and by such means as to minimi…

NAC 445B.22095 Emission limitation for BART. (NRS 445B.210) The emission limitation for BART must be established on a case-by-case basis, taking into consideration: 1. The technology available; 2. The costs of compliance; 3. The energy and nonair quality environmental impacts of …

NAC 445B.22096 Control measures constituting BART; limitations on emissions. (NRS 445B.210) 1. The sources listed below must install, operate and maintain the following control measures which constitute BART and must not emit or cause to be emitted NOx, SO2, or PM10 in excess of …

NAC 445B.220965 Control measures to make reasonable progress towards achieving natural visibility conditions; limitations on NOx emissions. (NRS 445B.210) 1. In establishing the emission limits, schedules of compliance and other measures set forth in this section to make reasonab…

NAC 445B.22097 State standards of quality for ambient air. (NRS 445B.210) 1. The table contained in this section lists the minimum state standards of quality for ambient air. STATE STANDARDSA, B, D POLLUTANT AVERAGING TIME CONCENTRATIONC Ozone 8 hours 0.070 ppm Ozone-Lake Tahoe B…