40 CFR § 430.66
Pretreatment standards for existing sources (PSES)
June 9, 2020
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 F
Open Table
| Pollutant or pollutant property | PSES | |
|---|---|---|
| Maximum for any 1 day | ||
| Milligrams/liter | Kg/kkg (or pounds per 1,000 lb) of producta | |
| Pentachlorophenol | (0.032)(10.3)/y | 0.0014 |
| Trichlorophenol | (0.010)(10.3)/y | 0.00043 |
| y = wastewater discharged in kgal per ton of product. | ||
aThe following equivalent mass limitations are provided as guidance in cases when POTWs find it necessary to impose mass equivalent limitations.
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