Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
Appendix - Table W-4 to Subpart W of Part 98—XXX
Link to an amendment published at 89 FR 42325, May 14, 2024.

source: 74 FR 56374, Oct. 30, 2009, unless otherwise noted.