40 CFR § 461.64
Pretreatment standards for existing sources (PSES)
June 9, 2020
(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.
Open Table
| 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 | ||
| Lead | 1,032.36 | 491.60 |
| Silver | 1,007.78 | 417.86 |
(2) Subpart F—Silver Chloride Cathodes—Electrolytic—PSES.
Open Table
| 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 | ||
| Lead | 60.9 | 29.0 |
| Silver | 59.5 | 24.7 |
(3) Subpart F—Cell Testing—PSES.
Open Table
| 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 | ||
| Lead | 22.1 | 10.5 |
| Silver | 21.6 | 8.9 |
(4) Subpart F—Floor and Equipment Wash—PSES.
Open Table
| 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 | ||
| Lead | 0.039 | 0.018 |
| Silver | 0.038 | 0.015 |
(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.
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