Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
authority: 42 U.S.C. 9607(a) and 9622(h)(2), Executive Order No. 12580, 52 FR 2923 (January 29, 1987)
source: 54 FR 23179, May 30, 1989, unless otherwise noted.