Subpart F - Procedures for Testing Performance Characteristics of Class II Equivalent Methods for PM 2.5Source:62 FR 38814, July 18, 1997, unless otherwise noted.
Sec. 301(a) of the Clean Air Act (42 U.S.C. sec. 1857g(a)), as amended by sec. 15(c)(2) of Pub. L. 91-604, 84 Stat. 1713, unless otherwise noted.