Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
Appendix - Table 6 to Subpart FFFFF of Part 63—Applicability of General Provisions to Subpart FFFFF
Link to an amendment published at 89 FR 23335, Apr. 3, 2024.

authority: 42 U.S.C. 7401
source: 57 FR 61992, Dec. 29, 1992, unless otherwise noted.