All discharges subject to pretreatment standards for existing sources (PSES) in subparts A and B of this part must comply with the standards no later than September 28, 1993.
[61 FR 57549, Nov. 6, 1996]
authority: Secs. 301, 304, 306, 307, and 501, Pub. L. 92-500, 86 Stat. 816, Pub. L. 95-217, 91 Stat. 156, and Pub. L. 100-4 (
33 U.S.C. 1311,
1314,
1316,
1317,
and
source: 43 FR 17776, Apr. 25, 1978, unless otherwise noted.
cite as: 40 CFR 455.11