Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024
  • Subpart B - Subpart B [Reserved]
  • Subpart D - Subpart D [Reserved]
  • Subpart F - Subparts F-L [Reserved]
  • Subpart N - Subparts N-O [Reserved]
  • Appendix - Appendixes A-G to Part 80 [Reserved]
source: 38 FR 1255, Jan. 10, 1973, unless otherwise noted.