§ 461.12 Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT).
(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:
(1) Subpart A—Electrodeposited Anodes.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| Metric units—mg/kg of cadmium | ||
| English units—pounds per 1,000,000 pounds of cadmium | ||
| Cadmium | 11.95 | 5.27 |
| Nickel | 67.49 | 44.64 |
| Zinc | 51.32 | 21.44 |
| Cobalt | 7.38 | 3.16 |
(2) Subpart A—Impregnated Anodes.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| Metric units—mg/kg of cadmium | ||
| English units—pounds per 1,000,000 pounds of cadmium | ||
| Cadmium | 68.0 | 30.0 |
| Nickel | 384.0 | 254.0 |
| Zinc | 292.0 | 122.0 |
| Cobalt | 42.0 | 18.0 |
(3) Subpart A—Nickel Electrodeposited Cathodes.
| 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 | ||
| Cadmium | 11.22 | 4.95 |
| Nickel | 63.36 | 41.91 |
| Zinc | 48.18 | 20.13 |
| Cobalt | 6.93 | 2.97 |
(4) Subpart A—Nickel Impregnated Cathodes.
| 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 | ||
| Cadmium | 68.0 | 30.0 |
| Nickel | 384.0 | 254.0 |
| Zinc | 292.0 | 122.0 |
| Cobalt | 42.0 | 18.0 |
(5) Subpart A—Miscellaneous Wastewater Streams.
| 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 | ||
| Cadmium | 0.79 | 0.35 |
| Nickel | 4.47 | 2.96 |
| Zinc | 3.40 | 1.42 |
| Cobalt | 0.49 | 0.21 |
(6) Subpart A—Cadmium Powder Production.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| Metric units—mg/kg of cadmium powder produced | ||
| English units—pounds per 1,000,000 pounds of cadmium powder produced | ||
| Cadmium | 2.23 | 0.99 |
| Nickel | 12.61 | 8.34 |
| Zinc | 9.59 | 4.01 |
| Cobalt | 1.38 | 0.59 |
(7) Subpart A—Silver Powder Production.
| 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 | ||
| Cadmium | 1.09 | 0.48 |
| Nickel | 6.16 | 4.08 |
| Silver | 1.32 | 0.55 |
| Zinc | 4.69 | 1.96 |
| Cobalt | 0.67 | 0.29 |
(8) Subpart A—Cadmium Hydroxide Production.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| Metric units—mg/kg of cadmium used | ||
| English units—pounds per 1,000,000 pounds of cadmium used | ||
| Cadmium | 0.05 | 0.02 |
| Nickel | 0.27 | 0.18 |
| Zinc | 0.20 | 0.09 |
| Cobalt | 0.03 | 0.01 |
(9) Subpart A—Nickel Hydroxide Production.
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| Metric units—mg/kg of nickel used | ||
| English units—pounds per 1,000,000 pounds of nickel used | ||
| Cadmium | 5.61 | 2.48 |
| Nickel | 31.68 | 20.96 |
| Zinc | 24.09 | 10.07 |
| Cobalt | 3.47 | 1.49 |
(b) There shall be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed above.