Regulations last checked for updates: May 18, 2024

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

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

(1) Subpart F—Silver Chloride Cathodes—Chemically Reduced—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units—mg/kg of silver processed
English units—pounds per 1,000,000 pounds of silver processed
Lead1,032.36491.60
Silver1,007.78417.86

(2) Subpart F—Silver Chloride Cathodes—Electrolytic—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units—mg/kg of silver processed
English units—pounds per 1,000,000 pounds of silver processed
Lead60.929.0
Silver59.524.7

(3) Subpart F—Cell Testing—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units—mg/kg of cells produced
English units—pounds per 1,000,000 pounds of cells produced
Lead22.110.5
Silver21.68.9

(4) Subpart F—Floor and Equipment Wash—PSES.

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
Metric units—mg/kg of cells produced
English units—pounds per 1,000,000 pounds of cells produced
Lead0.0390.018
Silver0.0380.015

(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.

authority: Secs. 301, 304 (b), (c), (e), and (g), 306 (b) and (c), 307 (b) and (c), 308 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: 49 FR 9134, Mar. 9, 1984, unless otherwise noted.
cite as: 40 CFR 461.64