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----------------------------------------------------------------------------------------------------------------
BAT effluent limitations
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Maximum for any 1 day
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Pollutant or pollutant property Kg/kkg (or
pounds per
1,000 lb) of Milligrams/liter
product----------------------------------------------------------------------------------------------------------------Pentachlorophenol......................................... 0.0012 (0.029)(10.3)/yTrichlorophenol........................................... 0.00043 (0.010)(10.3)/yy = wastewater discharged in kgal per ton of product.----------------------------------------------------------------------------------------------------------------