Regulations last checked for updates: May 17, 2024

Title 40 - Protection of Environment last revised: May 15, 2024
§ 415.674 - 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 pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources (PSES):

Subpart BO—Zinc Chloride

Pollutant or pollutant property PSES effluent limitations
Maximum for any 1 day Average of daily values for 30 consecutive days
Milligrams per liter (mg/l)
Arsenic (T)3.01.0
Zinc (T)2.30.76
Lead (T)0.180.048
[49 FR 33428, Aug. 22, 1984; 49 FR 37594, Sept. 25, 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 28278, June 29, 1982, unless otherwise noted.
cite as: 40 CFR 415.674