(a) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the mercury cell process must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):
Subpart F—Chlor-Alkali-Mercury Cells
| Pollutant or pollutant property | BAT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (or pounds per 1,000 lb) of product | ||
| Mercury (T) | 0.00023 | 0.00010 |
| Total Residual Chlorine | 0.0032 | 0.0019 |
(b) Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart and using the diaphragm cell process must achieve the following effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT):
Subpart F—Chlor-Alkali-Diaphragm Cells
| Pollutant or pollutant property | BAT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | Average of daily values for 30 consecutive days | |
| Kg/kkg (or pounds per 1,000 lb) of product | ||
| Copper (T) | 0.012 | 0.0049 |
| Lead (T) | 0.0059 | 0.0024 |
| Nickel (T) | 0.0097 | 0.0037 |
| Total Residual Chlorine | 0.013 | 0.0079 |
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