Regulations last checked for updates: Nov 21, 2024

Title 40 - Protection of Environment last revised: Nov 19, 2024
authority: Pub. L. 101-410, Oct. 5, 1990, 104 Stat. 890, as amended by Pub. L. 104-134, title III, sec. 31001(s)(1), Apr. 26, 1996, 110 Stat. 1321-373; Pub. L. 105-362, title XIII, sec. 1301(a), Nov. 10, 1998, 112 Stat. 3293; Pub. L. 114-74, title VII, sec. 701(b), Nov. 2, 2015, 129 Stat. 599
source: 73 FR 75345, Dec. 11, 2008, unless otherwise noted.