Regulations last checked for updates: Nov 25, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
authority: Secs. 301, 304 (b) and (c), 360(b), 307 (b) and (c), Federal Water Pollution Control Act, as amended (33 U.S.C. 1251,1311,1314,1316,86. 816
source: 41 FR 18777, May 6, 1976, unless otherwise noted.