Section 35-11-203 - Sources subject to operating permit program(a) The following sources of air contaminants are subject to the provisions of W.S. 35-11-203 through 35-11-212: (i) Any stationary source, or any group of stationary sources located within a contiguous area and under common control, that: (A) Has the potential to emit one hundred (100) tons or more per year of any pollutant regulated under the Clean Air Act and is a major stationary source as defined in section 302 of the Clean Air Act;(B) Has the potential to emit ten (10) tons per year of any single hazardous air pollutant or twenty-five (25) tons per year of any combination of hazardous air pollutants as defined by section 112 of the Clean Air Act. Emissions from any oil or gas exploration or production well (with its associated equipment) and emissions from any pipeline compressor or pump station shall not be aggregated with emissions from other similar units, whether or not such units are in a contiguous area or under common control, to determine whether such units or stations are major sources; or(C) Is subject to the nonattainment area provisions of title I, part D, of the Clean Air Act.(ii) Any other source of hazardous air pollutants, including an area source, which the environmental protection agency may designate pursuant to the provisions of section 112 of the Clean Air Act;(iii) Any source subject to the new source performance standards promulgated by the environmental protection agency pursuant to section 111 of the Clean Air Act;(iv) Any "affected source" subject to the acid rain provisions of title IV of the Clean Air Act as defined in section 501 of the Clean Air Act;(v) Any source subject to preconstruction review permits pursuant to the prevention of significant deterioration regulations promulgated by the environmental protection agency pursuant to the Clean Air Act;(vi) Any other stationary source that the environmental protection agency may designate by regulation pursuant to authority granted under the Clean Air Act.(b) After the effective date of the operating permit program authorized under W.S. 35-11-203 through 35-11-212, it shall be unlawful for any person to violate any requirement of a permit issued under the operating permit program or to operate any source required to have a permit under this section, without having complied with the provisions of the operating permit program.(c) The department shall exempt any nonmajor source from the obligation to obtain a permit under this section until the environmental protection agency requires such sources to obtain an operating permit in final regulations promulgated pursuant to title V of the Clean Air Act.