Regulations last checked for updates: May 18, 2024

Title 40 - Protection of Environment last revised: May 16, 2024
§ 430.36 - 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 those biocides. PSES must be attained on or before July 1, 1984:

Subpart C

[PSES for unbleached kraft facilities]

Pollutant or pollutant property Maximum for any 1 day
Milligrams/liter Kg/kkg (or pounds per 1,000 lb) of product a
Pentachlorophenol(0.011)(12.6)/y0.00058
Trichlorophenol(0.010)(12.6)/y0.00053
y = wastewater discharged in kgal per ton of product.

a The following equivalent mass limitations are provided as guidance in cases where POTWs find it necessary to impose mass effluent limitations.

Subpart C

[PSES for unbleached kraft facilities where pulp and paper are produced using the unbleached kraft-neutral sulfite semi-chemical (cross recovery) process and/or a combined unbleached kraft and semi-chemical process, wherein the spent semi-chemical cooking liquor is burned within the unbleached kraft chemical recovery system]

Pollutant or pollutant property Maximum for any 1 day
Milligrams/liter Kg/kkg (or pounds per 1,000 lb) of product a
Pentachlorophenol(0.011)(14.0)/y0.00064
Trichlorophenol(0.010)(14.0)/y0.00059
y = wastewater discharged in kgal per ton of product.

a The following equivalent mass limitations are provided as guidance in cases where POTWs find it necessary to impose mass effluent limitations.

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,and,as.S.C. 7412)
source: 63 FR 18635, Apr. 15, 1998, unless otherwise noted.
cite as: 40 CFR 430.36