Regulations last checked for updates: Sep 29, 2023

Title 40 - Protection of Environment last revised: Sep 27, 2023
  • Appendix Appendix E - Appendix E to Part 50 [Reserved]
  • Appendix Appendix M - Appendix M to Part 50 [Reserved]
authority: 42 U.S.C. 7401,
source: 36 FR 22384, Nov. 25, 1971, unless otherwise noted.