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§ 464.45 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/1,000 kkg (pounds per million pounds) of metal poured | ||
| Copper (T) | 0.0344 | 0.0187 |
| Lead (T) | 0.0237 | 0.0116 |
| Zinc (T) | 0.0339 | 0.0129 |
| TTO | 0.093 | 0.0304 |
| Oil and grease (for alternate monitoring) | 1.34 | 0.446 |