Regulations last checked for updates: Nov 24, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
authority: Secs. 110, 114, 119, 301, Clean Air Act, as amended (42 U.S.C. 7410,7414,7419,and; sec. 406 of Pub. L. 95-95
source: 50 FR 6448, Feb. 15, 1985, unless otherwise noted.