40 CFR 430.16 – Pretreatment standards for existing sources (PSES)
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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]
| Pollutant or pollutant property | Maximum for any 1 day | |
|---|---|---|
| Milligrams/liter (mg/l) | Kg/kkg (or pounds per 1,000 lb) of product a | |
| Pentachlorophenol | (0.011)(55.1)/y | 0.0025 |
| Trichlorophenol | (0.082)(55.1)/y | 0.019 |
| y = 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.