Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 465.24 - Pretreatment standards for existing sources.

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. The mass of wastewater pollutants in coil coating process wastewater introduced into a POTW shall not exceed the following values:

Subpart B

Pollutant or pollutant property PSES
Maximum for any 1 day Maximum for monthly average
mg/m 2 (pounds per 1 million ft 2) of area processed
Chromium0.37(0.077)0.16(0.031)
Copper1.71(0.35)0.90(0.19)
Cyanide0.26(0.053)0.11(0.022)
Zinc1.20(0.25)0.51(0.11)
[47 FR 54244, Dec. 1, 1982; 49 FR 33648, Aug. 24, 1984]
authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (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. 816, Pub. L. 92-500; 91 Stat. 1567, Pub. L. 95-217
source: 47 FR 54244, Dec. 1, 1982, unless otherwise noted.
cite as: 40 CFR 465.24