40 CFR 429.85 - Pretreatment standards for existing sources (PSES).

Regulations last checked for updates: Nov 22, 2024

Title 40 - Protection of Environment last revised: Nov 20, 2024

View all text of Subpart G [§ 429.80 - § 429.86]

§ 429.85 - Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces process wastewater pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and meet the following pretreatment standards for existing sources (PSES):

Subpart G

[PSES Effluent Limitations]

Pollutant or pollutant property	Maximum for any 1 day (mg/l)
Oil and grease	100
Copper	5
Chromium	4
Arsenic	4

In cases where POTWs find it necessary to impose mass limitations, the following equivalent mass limitations are provided as guidance.

[Grams per cubic meter of production]

Pollutant or pollutant property	Maximum for any 1 day
Oil and grease	20.5
Copper	.62
Chromium	.41
Arsenic	.41

authority: Secs. 301, 304(b), (c), (e), and (g), 306(b) and (c), 307(a)(b) and (c) and 501 of the Clean Water Act (the Federal Water Pollution Control Act Amendments of 1972, as amended by the Clean Water Act of 1977) (the “Act”); 33 U.S.C. 1311,1314,c,e,and, 1316(b) andc, 1317(b) andc,and; 86 Stat. 815, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217

source: 46 FR 8285, Jan. 26, 1981, unless otherwise noted.

cite as: 40 CFR 429.85