Pretreatment standards for new sources (PSNS).

Except as provided in 40 CFR 403.7, any new 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 new sources (PSNS) 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: Subpart L [PSNS for non-integrated mills where tissue 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 (0.038)(19.1)/y 0.0031 Trichlorophenol (0.012)(19.1)/y 0.00096 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 L [PSNS for non-integrated mills where filter and non-woven 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 (0.040)(47.5)/y 0.0080 Trichlorophenol (0.013)(47.5)/y 0.0025 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 L [PSNS for non-integrated mills where paperboard is 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 (0.037)(11.2)/y 0.0017 Trichlorophenol (0.012)(11.2)/y 0.00054 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.