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§ 421.296 Pretreatment standards for new sources.
Except as provided in 40 CFR 403.7, any new 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 new sources. The mass of wastewater pollutants in secondary tin process wastewater introduced into a POTW shall not exceed the following values:
(a) Tin smelter SO2 scrubber.
PSNS for the Secondary Tin Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
---|---|---|
mg/kg (pounds per million pounds) of crude tapped tin produced | ||
Arsenic | 12.790 | 5.703 |
Lead | 2.575 | 1.196 |
Iron | 11.040 | 5.611 |
Tin | 3.495 | 2.024 |