Regulations last checked for updates: Sep 29, 2023

Title 40 - Protection of Environment last revised: Sep 27, 2023
  • Subpart SSS - Subpart SSS [Reserved]
  • Subpart WWW - Subpart WWW [Reserved]
  • Subpart BBBB - Subpart BBBB [Reserved]
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.