Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart where chlorophenolic-containing biocides are used must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable (BAT). Non-continuous dischargers shall not be subject to the maximum day mass limitations in kg/kkg (lb/1,000 lb), but shall be subject to concentration limitations. Concentration limitations are only applicable to non-continuous dischargers. Permittees not using chlorophenolic-containing biocides must certify to the permit-issuing authority that they are not using these biocides:
Subpart F
| Pollutant or pollutant property | BAT effluent limitations | |
|---|---|---|
| Maximum for any 1 day | ||
| Kg/kkg (or pounds per 1,000 lb) of product | Milligrams/liter | |
| Pentachlorophenol | 0.0012 | (0.029)(10.3)/y |
| Trichlorophenol | 0.00043 | (0.010)(10.3)/y |
| y = wastewater discharged in kgal per ton of product. | ||
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