Regulations last checked for updates: Nov 21, 2024

Title 40 - Protection of Environment last revised: Nov 19, 2024
authority: Secs. 301, 304 (b), (c), 306(b), Federal Water Pollution Control Act, as amended (33 U.S.C. 1251,1311,1314,86. 816
source: 41 FR 29079, July 14, 1976, unless otherwise noted.