Regulations last checked for updates: May 09, 2024

Title 40 - Protection of Environment last revised: Jun 26, 2024
authority: 5 U.S.C. 552; Reorganization Plan No. 3 of 1970, 84 Stat. 2086 (July 9, 1970)
source: 50 FR 26721, June 28, 1985, unless otherwise noted.