Regulations last checked for updates: Apr 26, 2024

Title 40 - Protection of Environment last revised: Jun 26, 2024
authority: Secs. 301, 304, 306, 307, and 501, Pub. L. 92-500, 86 Stat. 816, Pub. L. 95-217, 91 Stat. 156, Pub. L. 100-4, 101 Stat. 7 (33 U.S.C. 1311,1314,1316,1317,and
source: 52 FR 42568, Nov. 5, 1987, unless otherwise noted.