HSC §39659: (a) The state board and the districts may adopt regulations which do both of the following: (1) Impose monitoring requirements, establish procedures for issuing, reissuing, and enforcing permits, and

(a) The state board and the districts may adopt regulations which do both of the following: (1) Impose monitoring requirements, establish procedures for issuing, reissuing, and enforcing permits, and take any other action that may be necessary to establish, implement, and enforce programs for the regulation of hazardous air pollutants which have been listed as toxic air contaminants pursuant to subdivision (b) of Section 39657. (2) Meet the requirements of subsection ( l ) of Section 112 and Section 502 of the federal act (42 U.S.C. Secs. 7412( l ) and 7661a) and the guidelines and regulations adopted by the Environmental Protection Agency pursuant to those sections. (b) In adopting regulations pursuant to subdivision (a), the state board and the districts shall, to the extent necessary to ensure that the requirements of the federal act are met, use the definitions contained in subsection (a) of Section 112 of the federal act (42 U.S.C. Sec. 7412(a)).