technology currently available.
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) Still liquor.
BPT Limitations for the Primary and Secondary Germanium and Gallium
Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
germanium chlorinated
--------------Arsenic....................................... 131.700 58.590Lead.......................................... 26.460 12.600Zinc.......................................... 91.980 38.430Fluoride...................................... 2,205.000 1,254.000Total suspended solids........................ 2,583.000 1,229.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(b) Chlorinator wet air pollution control.
BPT Limitations for the Primary and Secondary Germanium and Gallium
Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
germanium chlorinated
--------------Arsenic....................................... 27.530 12.250Lead.......................................... 5.531 2.634Zinc.......................................... 19.230 8.034Fluoride...................................... 461.000 262.100Total suspended solids........................ 540.000 256.800pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(c) Germanium hydrolysis filtrate.
BPT Limitations for the Primary and Secondary Germanium and Gallium
Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
germanium hydrolyzed
--------------Arsenic....................................... 39.440 17.550Lead.......................................... 7.925 3.774Zinc.......................................... 27.550 11.510Fluoride...................................... 660.500 375.500Total suspended solids........................ 773.700 368.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(d) Acid wash and rinse water.
BPT Limitations for the Primary and Secondary Germanium and Gallium
Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
germanium washed
--------------Arsenic....................................... 325.500 144.800Lead.......................................... 65.400 31.140Zinc.......................................... 227.400 94.990Fluoride...................................... 5,450.000 3,099.000Total suspended solids........................ 6,385.000 3,037.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(e) Gallium hydrolysis filtrate.
BPT Limitations for the Primary and Secondary Germanium and Gallium
Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
gallium hydrolyzed
--------------Arsenic....................................... 70.450 31.350Lead.......................................... 14.160 6.742Zinc.......................................... 49.220 20.560Fluoride...................................... 1,180.000 670.800Total suspended solids........................ 1,382.000 657.300pH............................................ (\1\) \1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(f) Solvent extraction raffinate.
BPT Limitations for the Primary and Secondary Germanium and Gallium
Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
gallium produced by
solvent extraction
--------------Arsenic....................................... 39.330 17.500Lead.......................................... 7.904 3.764Zinc.......................................... 27.480 11.480Fluoride...................................... 658.700 374.500Total suspended solids........................ 771.600 367.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.