CFR

430.16—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 A

Pollutant or pollutant property	Maximum for any 1 day
[PSES]
Pollutant or pollutant property	Milligrams/liter (mg/l)	Kg/kkg (or pounds per 1,000 lb) of product a
Pentachlorophenol	(0.011)(55.1)/y	0.0025
Trichlorophenol	(0.082)(55.1)/y	0.019
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 A

Pollutant or pollutant property	Maximum for any 1 day
[PSES]
Pollutant or pollutant property	Milligrams/liter (mg/l)	Kg/kkg (or pounds per 1,000 lb) of product a
Pentachlorophenol	(0.011)(55.1)/y	0.0025
Trichlorophenol	(0.082)(55.1)/y	0.019
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.

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