Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:
(a) Tantalum alloy leach and rinse.
BAT Limitations for the Secondary Tantalum Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
tantalum powder produced
--------------Copper........................................ 295.200 140.700Lead.......................................... 64.570 29.980Nickel........................................ 126.800 85.320Zinc.......................................... 235.200 96.850Tantalum...................................... 103.800 ...........------------------------------------------------------------------------
(b) Capacitor leach and rinse.
BAT Limitations for the Secondary Tantalum Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
tantalum powder produced
from leaching
--------------Copper........................................ 25.860 12.320Lead.......................................... 5.656 2.626Nickel........................................ 11.110 7.474Zinc.......................................... 20.600 8.484Tantalum...................................... 9.090 ...........------------------------------------------------------------------------
(c) Tantalum sludge leach and rinse.
BAT Limitations for the Secondary Tantalum Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
equivalent pure tantalum
powder produced
--------------Copper........................................ 262.800 125.200Lead.......................................... 57.480 26.690Nickel........................................ 112.900 75.960Zinc.......................................... 209.400 86.230Tantalum...................................... 92.390 ...........------------------------------------------------------------------------
(d) Tantalum powder acid wash and rinse.
BAT Limitations for the Secondary Tantalum Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
tantalum powder produced
--------------Copper........................................ 0.448 0.214Lead.......................................... 0.098 0.046Nickel........................................ 0.193 0.130Zinc.......................................... 0.357 0.147Tantalum...................................... 0.158 ...........------------------------------------------------------------------------
(e) Leaching wet air pollution control.
BAT Limitations for the Secondary Tantalum Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
equivalent pure tantalum
powder produced
--------------Copper........................................ 6.246 2.977Lead.......................................... 1.366 0.634Nickel........................................ 2.684 1.806Zinc.......................................... 4.978 2.050Tantalum...................................... 2.196 ...........------------------------------------------------------------------------