Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart that introduces pollutants into a publicly owned treatment works must: comply with 40 CFR part 403; and achieve the following pretreatment standards for existing sources (PSES) if it uses chlorophenolic-containing biocides. Permittees not using chlorophenolic-containing biocides must certify to the permit-issuing authority that they are not using these biocides. PSES must be attained on or before July 1, 1984:
Subpart A
[PSES]----------------------------------------------------------------------------------------------------------------
Maximum for any 1 day
-----------------------------------------------------------------
Kg/kkg (or
Pollutant or pollutant property pounds per
Milligrams/liter (mg/l) 1,000 lb) of
product \a\----------------------------------------------------------------------------------------------------------------Pentachlorophenol............................. (0.011)(55.1)/y................................... 0.0025Trichlorophenol............................... (0.082)(55.1)/y................................... 0.019y = wastewater discharged in kgal per ton of
product.----------------------------------------------------------------------------------------------------------------\a\ The following equivalent mass limitations are provided as guidance in cases when POTWs find it necessary to
impose mass effluent limitations.