Regulations last checked for updates: May 01, 2025

Title 40 - Protection of Environment last revised: Nov 01, 2025
§ 414.12 - Compliance date for pretreatment standards for existing sources (PSES).

All dischargers subject to PSES in this part must comply with the standards by no later than three years after date of promulgation in the Federal Register.

authority: Secs. 301, 304, 306, 307, and 501, Pub. L. 92-500, 86 Stat. 816, Pub. L. 95-217, 91 Stat. 156, Pub. L. 100-4, 101 Stat. 7 (33 U.S.C. 1311,1314,1316,1317,and
source: 52 FR 42568, Nov. 5, 1987, unless otherwise noted.
cite as: 40 CFR 414.12