40 C.F.R. § 430.117
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 K
[PSNS 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 producta | |
| Pentachlorophenol | (0.052)(9.4)/y | 0.0020 |
| Trichlorophenol | (0.016)(9.4)/y | 0.0064 |
| 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
[PSNS 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 producta | |
| Pentachlorophenol | (0.044)(31.1)/y | 0.0056 |
| Trichlorophenol | (0.014)(31.1)/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
[PSNS 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 producta | |
| Pentachlorophenol | (0.041)(38.2)/y | 0.0065 |
| Trichlorophenol | (0.013)(38.2)/y | 0.0020 |
| 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
[PSNS 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 producta | |
| Pentachlorophenol | (0.037)(66.8)/y | 0.010 |
| Trichlorophenol | (0.012)(66.8)/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.
40 C.F.R. §430.117