Regulations last checked for updates: Jan 18, 2025

Title 40 - Protection of Environment last revised: Dec 30, 2025
  • § 63.125 - [Reserved]
  • § 63.131 - [Reserved]
  • §§ 63.141-63.142 - §[Reserved]
  • Appendix - Tables 14-14b to Subpart G of Part 63 [Reserved]
  • Appendix - Table 16 to Subpart G of Part 63 [Reserved]
authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.