40 CFR 257.51 - Effective date of this subpart.

Regulations last checked for updates: May 15, 2024

Title 40 - Protection of Environment last revised: May 13, 2024

§ 257.51 - Effective date of this subpart.

Link to an amendment published at 89 FR 39099, May 8, 2024.

The requirements of this subpart take effect on October 19, 2015.

authority: 42 U.S.C. 6907(a)(3), 6912(a)(1), 6944, 6945(a) and (d); 33 U.S.C. 1345(d) and (e)

source: 44 FR 53460, Sept. 13, 1979, unless otherwise noted.

cite as: 40 CFR 257.51