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§ 461.72 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 G—Wet Amalgamated Powder Anodes.
BAT Effluent Limitations
| 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 | 0.24 | 0.099 |
| Mercury | 0.14 | 0.055 |
| Silver | 0.23 | 0.093 |
| Zinc | 0.80 | 0.34 |
| Manganese | 0.37 | 0.16 |
(2) Subpart G—Gelled Amalgam Anodes.
BAT Effluent Limitations
| 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 | 0.030 | 0.012 |
| Mercury | 0.017 | 0.007 |
| Silver | 0.028 | 0.012 |
| Zinc | 0.099 | 0.042 |
| Manganese | 0.046 | 0.020 |
(3) Subpart G—Zinc Oxide Formed Anodes.