Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
authority: Secs. 301, 304 (b) and (c), Federal Water Pollution Control Act, as amended (33 U.S.C. 1251,1311,1314,86. 816
source: 40 FR 48657, Oct. 16, 1975, unless otherwise noted.