40 C.F.R. § 430.36
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 those biocides. PSES must be attained on or before July 1, 1984:
Subpart C
[PSES for unbleached kraft facilities]
| Pollutant or pollutant property | Maximum for any 1 day | |
| Milligrams/liter | Kg/kkg (or pounds per 1,000 lb) of producta | |
| Pentachlorophenol | (0.011)(12.6)/y | 0.00058 |
| Trichlorophenol | (0.010)(12.6)/y | 0.00053 |
| y = wastewater discharged in kgal per ton of product. | ||
a The following equivalent mass limitations are provided as guidance in cases where POTWs find it necessary to impose mass effluent limitations.
Subpart C
[PSES for unbleached kraft facilities where pulp and paper are produced using the unbleached kraft-neutral sulfite semi-chemical (cross recovery) process and/or a combined unbleached kraft and semi-chemical process, wherein the spent semi-chemical cooking liquor is burned within the unbleached kraft chemical recovery system]
| Pollutant or pollutant property | Maximum for any 1 day | |
| Milligrams/liter | Kg/kkg (or pounds per 1,000 lb) of producta | |
| Pentachlorophenol | (0.011)(14.0)/y | 0.00064 |
| Trichlorophenol | (0.010)(14.0)/y | 0.00059 |
| y = wastewater discharged in kgal per ton of product. | ||
a The following equivalent mass limitations are provided as guidance in cases where POTWs find it necessary to impose mass effluent limitations.
40 C.F.R. §430.36