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 tantalum process wastewater introduced into a POTW shall not exceed the following values: (a) Tantalum alloy leach and rinse. PSNS for the Secondary Tantalum Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tantalum powder produced Copper 295.200 140.700 Lead 64.570 29.980 Nickel 126.800 85.320 Zinc 235.200 96.850 Tantalum 103.800 (b) Capacitor leach and rinse. PSNS for the Secondary Tantalum Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tantalum powder produced from leaching Copper 25.860 12.320 Lead 5.656 2.626 Nickel 11.110 7.474 Zinc 20.600 8.484 Tantalum 9.090 (c) Tantalum sludge leach and rinse. PSNS for the Secondary Tantalum Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of equivalent pure tantalum powder produced Copper 262.800 125.200 Lead 57.480 26.690 Nickel 112.900 75.960 Zinc 209.400 86.230 Tantalum 92.390 (d) Tantalum powder acid wash and rinse. PSNS for the Secondary Tantalum Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of tantalum powder produced Copper 0.448 0.214 Lead 0.098 0.046 Nickel 0.193 0.130 Zinc 0.357 0.147 Tantalum 0.158 (e) Leaching wet air pollution control. PSNS for the Secondary Tantalum Subcategory Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per million pounds) of equivalent pure tantalum powder produced Copper 6.246 2.977 Lead 1.366 0.634 Nickel 2.684 1.806 Zinc 4.978 2.050 Tantalum 2.196