standards - Oil and gas well and equipment emissions. A. The Department shall have the authority to establish a program for the implementation and enforcement of the federal emission standards and other requirements under Section 112 of the Federal Clean Air Act for hazardous air pollutants and for the prevention and mitigation of accidental releases of regulated substances under Section 112(r) of the Federal Clean Air Act. 1. Except as otherwise provided by paragraph 2 of this subsection, to assure that such program shall be consistent with, and not more stringent than, federal requirements: a. any rule recommended by the Council and promulgated by the Board regarding hazardous air pollutants and regulated substances shall only be by adoption by reference of final federal rules, and b. shall include the federal early reduction program under Section 112(i) (5) of the Federal Clean Air Act. 2. The Board may promulgate, pursuant to recommendation by the Council, rules which establish emission limitations for hazardous air pollutants which are more stringent than the applicable federal standards, upon a determination by the Council that more stringent standards are necessary to protect the public health or the environment. B. The Department shall also have the authority to establish a separate and distinct program only for the control of the emission of those toxic air contaminants not otherwise regulated by a final emission standard under Section 112(d) of the Federal Clean Air Act. 1. Such program shall consist of permanent rules establishing: a. appropriate emission limitations, work practice standards, maximum acceptable ambient concentrations or control technology standards necessary for the protection of the public health or the environment, and b. emissions monitoring or process monitoring requirements necessary to assure compliance with the requirements of this section. 2. Paragraph 1 of this subsection shall not be construed as requiring readoption of existing rules regarding toxic air contaminants. C. Regulation of any hazardous air pollutant pursuant to a final emission standard promulgated under Section 112(d) of the Federal Clean Air Act, shall preclude its regulation as a toxic air contaminant under subsection B of this section. D. 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, and in the case of any oil or gas exploration or production well with its associated equipment, such emissions shall not be aggregated for any purpose under this section. E. The Department shall not list oil and gas production wells with their associated equipment as an area source category, except that the Department may establish an area source category for oil and gas production wells located in any metropolitan statistical area or consolidated metropolitan statistical area with a population in excess of one million (1,000,000) if the Department determines that emissions of hazardous air pollutants from such wells present more than a negligible risk of adverse effects to public health. F. Nothing in this section shall be construed to limit authority established elsewhere in the Oklahoma Clean Air Act. Added by Laws 1992, c. 215, § 14, emerg. eff. May 15, 1992. Amended by Laws 1993, c. 145, § 51, eff. July 1, 1993. Renumbered from § 1- 1815 of Title 63 by Laws 1993, c. 145, § 359, eff. July 1, 1993.
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