Regulations last checked for updates: Nov 24, 2024

Title 40 - Protection of Environment last revised: Nov 21, 2024
authority: Secs. 301, 304(b) and (c), 306(b), 307(b) and (c), Federal Water Pollution Control Acts, as amended (33 U.S.C. 1251,1311,1314,1316,86. 816
source: 41 FR 10184, Mar. 9, 1976, unless otherwise noted.