40 CFR § 430.127 - Pretreatment standards for new sources (PSNS).

---
identifier: "/us/cfr/t40/s430.127"
source: "ecfr"
legal_status: "authoritative_unofficial"
title: "40 CFR § 430.127 - Pretreatment standards for new sources (PSNS)."
title_number: 40
title_name: "Protection of Environment"
section_number: "430.127"
section_name: "Pretreatment standards for new sources (PSNS)."
chapter_name: "ENVIRONMENTAL PROTECTION AGENCY"
subchapter_number: "N"
subchapter_name: "EFFLUENT GUIDELINES AND STANDARDS"
part_number: "430"
part_name: "THE PULP, PAPER, AND PAPERBOARD POINT SOURCE CATEGORY"
positive_law: false
currency: "2026-04-05"
last_updated: "2026-04-05"
format_version: "1.1.0"
generator: "[email protected]"
authority: "Sections 301, 304, 306, 307, 308, 402, and 501 of the Clean Water Act, as amended, (33 U.S.C. 1311, 1314, 1316, 1317, 1318, 1342, and 1361), and Section 112 of the Clean Air Act, as amended (42 U.S.C. 7412)."
regulatory_source: "63 FR 18635, Apr. 15, 1998, unless otherwise noted."
cfr_part: "430"
---


# 430.127 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]

|  |  |  |
| --- | --- | --- |
| 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. |  |  |
| 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]

|  |  |  |
| --- | --- | --- |
| 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. |  |  |
| 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]

|  |  |  |
| --- | --- | --- |
| 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. |  |  |
| The following equivalent mass limitations are provided as guidance in cases when POTWs find it necessary to impose mass effluent limitations. |  |  |