40 CFR 430.116: 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 K

[PSES for non-integrated mills where fine paper is produced from purchased pulp—wood fiber furnish subdivision]

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 (0.032)(15.2)/y 0.0020

Trichlorophenol (0.010)(15.2)/y 0.00064

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 K

[PSES for non-integrated mills where fine paper is produced from purchased pulp—cotton fiber furnish subdivision]

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 (0.032)(42.3)/y 0.0056

Trichlorophenol (0.010)(42.3)/y 0.0018

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 K

[PSES for non-integrated mills where lightweight papers are produced from purchased pulp]

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 (0.032)(48.7)/y 0.0065

Trichlorophenol (0.010)(48.7)/y 0.0032

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 K

[PSES for non-integrated mills where lightweight papers are produced from purchased pulp—electrical grade papers subdivision]

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 (0.032)(76.9)/y 0.010

Trichlorophenol (0.010)(76.9)/y 0.0032

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.