Utah Admin. Code 307-150-2
The following additional definitions apply to Rule R307-150, and all references to the "Threshold Limit Values for chemical Substances and Physical Agents and Biological Exposure Indices" adopted by the American Conference of Governmental Industrial Hygienists refers to the 2003 version, which is hereby incorporated by reference.
"Acute pollutant" means any noncarcinogenic air pollutant for which a threshold limit value - ceiling (TLV-C) has been adopted by the American Conference of Governmental Industrial Hygienists in its "Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices," 2003 edition.
"Carcinogenic pollutant" means any air pollutant that is classified as a known human carcinogen (A1) or suspected human carcinogen (A2) by the American Conference of Governmental Industrial Hygienists in its "Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices," 2003 edition.
"Chronic Pollutant" means any noncarcinogenic air pollutant for which a threshold limit value - time weighted average (TLV-T WA) having no threshold limit value - ceiling (TLV-C) has been adopted by the American Conference of Governmental Industrial Hygienists in its "Threshold Limit Values for Chemical Substances and Physical Agents and Biological Exposure Indices," 2003 edition.
"Dioxins" and "Furans" mean total tetra- through octachlorinated dibenzo-p-dioxins and dibenzofurans.
"Emissions unit" means emissions unit as defined in Section R307-415-3.
"Large Major Source" means a major source that emits or has the potential to emit 2500 tons or more per year of oxides of sulfur, oxides of nitrogen, or carbon monoxide, or that emits or has the potential to emit 250 tons or more per year of PM10, PM2.5, volatile organic compounds, or ammonia.
"Lead" means elemental lead and the portion of its compounds measured as elemental lead.
"Major Source" means major source as defined in Section R307-415-3.
Utah Admin. Code R307-150-2