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 practicable technology currently available:
(a) Tantalum alloy leach and rinse.
BPT 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...................................... 438.100 230.600Lead........................................ 96.850 46.120Nickel...................................... 442.800 292.900Zinc........................................ 336.700 140.700Tantalum.................................... 103.800 ............
Total suspended solids...................... 9,455.000 4,497.000pH.......................................... (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(b) Capacitor leach and rinse.
BPT 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........................................ 38.380 20.200Lead.......................................... 8.484 4.040Nickel........................................ 38.780 25.650Zinc.......................................... 29.490 12.320Tantalum...................................... 9.090 ...........Total suspended solids........................ 828.200 393.900pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(c) Tantalum sludge leach and rinse.
BPT 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........................................ 390.100 205.300Lead.......................................... 86.230 41.060Nickel........................................ 394.200 260.700Zinc.......................................... 299.700 125.200Tantalum...................................... 92.390 ...........Total suspended solids........................ 8,417.000 4,003.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(d) Tantalum powder acid wash and rinse.
BPT 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........................................ 0.665 0.350Lead.......................................... 0.147 0.070Nickel........................................ 0.672 0.445Zinc.......................................... 0.511 0.214Tantalum...................................... 0.158 ...........Total suspended solids........................ 14.350 6.825pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(e) Leaching wet air pollution control.
BPT 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........................................ 9.272 4.880Lead.......................................... 2.050 0.976Nickel........................................ 9.370 6.198Zinc.......................................... 7.125 2.977Tantalum...................................... 2.196 ...........Total suspended solids........................ 200.100 95.160pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.