Regulations last checked for updates: Nov 25, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
authority: Sec. 2002(a)(1), Pub. L. 94-580, 90 Stat. 2795 (42 U.S.C. 6912(a)(1)). Also issued under sec. 4006(b), Pub. L. 94-580, 90 Stat. 2795 (42 U.S.C. 6946(b))
source: 42 FR 24927, May 16, 1977, unless otherwise noted.