Pretreatment standards for existing sources.

§ 464.25 Pretreatment standards for existing sources.

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources.

(a) Casting Quench Operations.

PSES

Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average
kg/1000 kkg (pounds per million pounds) of metal poured
Copper (T)0.03070.0168
Lead (T)0.02110.0104
Zinc (T)0.03030.0116
TTO0.03350.0109
Oil and grease (for alternate monitoring)1.20.399
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