Current through September 30, 2024
Section 461.75 - Pretreatment standards for new sources (PSNS)(a) Except as provided in § 403.7 any new 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 new sources listed below:(1) Subpart G-Zinc Oxide Formed Anodes-PSNS. Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| Metric units-mg/kg of zinc |
| English units-pounds per 1,000,000 pounds of zinc |
Chromium | 4.55 | 1.97 |
Mercury | 2.82 | 1.19 |
Silver | 4.55 | 1.97 |
Zinc | 0.87 | 0.39 |
Manganese | 6.50 | 4.98 |
(2) Subpart G-Electrodeposited Anodes-PSNS. Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| Metric units-mg/kg of zinc deposited |
| English units-pounds per 1,000,000 pounds of zinc deposited |
Chromium | 45.09 | 19.54 |
Mercury | 27.91 | 11.81 |
Silver | 45.09 | 19.54 |
Zinc | 8.59 | 3.86 |
Manganese | 64.41 | 49.38 |
(3) Subpart G-Silver Powder Formed Cathodes-PSNS. Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| Metric units-mg/kg of silver applied |
| English units-pounds per 1,000,000 pounds of silver applied |
Chromium | 6.24 | 2.70 |
Mercury | 3.86 | 1.63 |
Silver | 6.24 | 2.70 |
Zinc | 1.19 | 0.53 |
Manganese | 8.91 | 6.83 |
(4) Subpart G-Silver Oxide Powder Formed Cathodes-PSNS. Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| Metric units-mg/kg of silver applied |
| English units-pounds per 1,000,000 pounds of silver applied |
Chromium | 4.17 | 1.81 |
Mercury | 2.58 | 1.09 |
Silver | 4.17 | 1.81 |
Zinc | 0.79 | 0.36 |
Manganese | 5.96 | 4.57 |
(5) Subpart G-Silver Peroxide Cathodes-PSNS. Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| Metric units-mg/kg of silver applied |
| English units-pounds per 1,000,000 pounds of silver applied |
Chromium | 1.00 | 0.43 |
Mercury | 0.62 | 0.26 |
Silver | 1.00 | 0.43 |
Zinc | 0.19 | 0.09 |
Manganese | 1.43 | 1.09 |
(6) Subpart G-Nickel Impregnated Cathodes-PSNS. Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| Metric units-mg/kg of nickel applied |
| English units-pounds per 1,000,000 pounds of nickel applied |
Chromium | 42.0 | 18.2 |
Mercury | 26.0 | 11.0 |
Nickel | 42.0 | 18.2 |
Silver | 42.0 | 18.2 |
Zinc | 8.0 | 3.6 |
Manganese | 60.0 | 46.0 |
(7) Subpart G-Miscellaneous Wastewater Streams-PSNS. 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 |
Chromium | 0.27 | 0.12 |
Cyanide | 0.039 | 0.016 |
Mercury | 0.17 | 0.07 |
Nickel | 0.27 | 0.12 |
Silver | 0.27 | 0.12 |
Zinc | 0.05 | 0.02 |
Manganese | 0.39 | 0.30 |
(8) Subpart G-Silver Etch-PSNS. 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 |
Chromium | 1.56 | 0.68 |
Mercury | 0.97 | 0.41 |
Silver | 1.56 | 0.68 |
Zinc | 0.30 | 0.13 |
Manganese | 2.23 | 1.71 |
(9) Subpart G-Silver Peroxide Production-PSNS. Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| Metric units-mg/kg of silver peroxide produced |
| English units-pounds per 1,000,000 pounds of silver peroxide produced |
Chromium | 1.66 | 0.72 |
Mercury | 1.03 | 0.44 |
Silver | 1.66 | 0.72 |
Zinc | 0.32 | 0.14 |
Manganese | 2.37 | 1.82 |
(10) Subpart G-Silver Powder Production-PSNS. Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
| Metric units-mg/kg of silver powder produced |
| English units-pounds per 1,000,000 pounds of silver powder produced |
Chromium | 0.67 | 0.29 |
Mercury | 0.42 | 0.18 |
Silver | 0.67 | 0.29 |
Zinc | 0.13 | 0.06 |
Manganese | 0.96 | 0.74 |
(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.49 FR 9134, Mar. 9, 1984; 49 FR 13879, Apr. 9, 1984