40 CFR 430.46: Pretreatment standards for existing sources (PSES).

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 D

[PSES for dissolving sulfite pulp facilities where nitration, viscose, or cellophane grade pulps are produced]

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)(66.0)/y 0.0030

Trichlorophenol (0.082)(66.0)/y 0.023

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.

Subpart D

[PSES for dissolving sulfite pulp facilities where acetate grade pulp is produced]

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)(72.7)/y 0.0033

Trichlorophenol (0.082)(72.7)/y 0.025

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.