Federal regulations · Through 2026-08-25 · Newer source version available

40 CFR 430.126: 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 L
[PSES 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 (0.032)(22.9)/y 0.0031
Trichlorophenol (0.010)(22.9)/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
[PSES 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 (0.032)(59.9)/y 0.0080
Trichlorophenol (0.010)(59.9)/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
[PSES 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 (0.032)(12.9)/y 0.0017
Trichlorophenol (0.010)(12.9)/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.

Where this section sits in the code

Title 40—Protection of Environment
CHAPTER I—ENVIRONMENTAL PROTECTION AGENCY
SUBCHAPTER N—EFFLUENT GUIDELINES AND STANDARDS
PART 430—THE PULP, PAPER, AND PAPERBOARD POINT SOURCE CATEGORY
Subpart L—Tissue, Filter, Non-Woven, and Paperboard From Purchased Pulp Subcategory

Subpart L

[PSES 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 (0.032)(22.9)/y 0.0031

Trichlorophenol (0.010)(22.9)/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

[PSES 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 (0.032)(59.9)/y 0.0080

Trichlorophenol (0.010)(59.9)/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

[PSES 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 (0.032)(12.9)/y 0.0017

Trichlorophenol (0.010)(12.9)/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.

Collected 2026-08-27T02:26:04Z. Source file · JSON

Browse this collection