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) Chlorination off-gas wet air pollution control.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of TiCl4
produced
--------------Chromium (total).............................. 0.412 0.168Lead.......................................... 0.393 0.187Nickel........................................ 1.797 1.189Titanium...................................... 0.880 0.384Oil and grease................................ 18.720 11.230Total suspended solids........................ 38.380 18.250pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(b) Chlorination area-vent wet air pollution control.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of TiCl4
produced
--------------Chromium (total).............................. 0.412 0.168Chromium (total).............................. 0.458 0.187Lead.......................................... 0.437 0.208Nickel........................................ 1.997 1.321Titanium...................................... 0.978 0.426Oil and grease................................ 20.800 12.480Total suspended solids........................ 42.640 20.280
pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(c) TiCl4 handling wet air pollution control.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of TiCl4
handled
--------------Chromium (total).............................. 0.082 0.034Lead.......................................... 0.079 0.037Nickel........................................ 0.359 0.237Titanium...................................... 0.176 0.077Oil and grease................................ 3.740 2.244Total suspended solids........................ 7.667 3.647pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(d) Reduction area wet air pollution control.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
titanium produced
--------------Chromium (total).............................. 18.170 7.435Lead.......................................... 17.350 8.261Nickel........................................ 79.300 52.450Titanium...................................... 38.820 16.930Oil and grease................................ 826.100 495.600Total suspended solids........................ 1,693.000 805.400pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(e) Melt cell wet air pollution control.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
titanium produced
--------------Chromium (total).............................. 9.352 3.826Lead.......................................... 8.927 4.251Nickel........................................ 40.810 26.990Titanium...................................... 19.980 8.714Oil and grease................................ 425.100 255.000Total suspended solids........................ 871.400 414.500pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(f) Chlorine liquefaction wet air pollution control.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
titanium produced
--------------Chromium (total).............................. 130.900 53.560Lead.......................................... 125.000 59.510Nickel........................................ 571.300 377.900Titanium...................................... 279.700 122.000Oil and grease................................ 5,951.000 3,571.000Total suspended solids........................ 12,200.000 5,702.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(g) Sodium reduction container reconditioning wash water.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
titanium produced
--------------Chromium (total).............................. 0.564 0.231Lead.......................................... 0.538 0.256Nickel........................................ 2.461 1.628Titanium...................................... 1.205 0.526Oil and grease................................ 25.640 15.380Total suspended solids........................ 52.560 25.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(h) Chip crushing wet air pollution control.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
titanium produced
--------------Chromium (total).............................. 10.090 4.126
Lead.......................................... 9.627 4.584Nickel........................................ 44.010 29.110Titanium...................................... 21.550 9.398Oil and grease................................ 458.400 275.100Total suspended solids........................ 939.800 447.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(i) Acid leachate and rinse water.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
titanium produced
--------------Chromium (total).............................. 5.210 2.131Lead.......................................... 4.973 2.368Nickel........................................ 22.730 15.040Titanium...................................... 11.130 4.854Oil and grease................................ 236.800 142.100Total suspended solids........................ 485.400 230.900pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(j) Sponge crushing and screening wet air pollution control.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
titanium produced
--------------Chromium (total).............................. 2.847 1.165Lead.......................................... 2.717 1.294Nickel........................................ 12.420 8.217Titanium...................................... 6.082 2.653Oil and grease................................ 129.400 77.640Total suspended solids........................ 265.300 126.200pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(k) Acid pickle and wash water.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
titanium pickled
--------------Chromium (total).............................. 0.027 0.011Lead.......................................... 0.026 0.012Nickel........................................ 0.117 0.077Titanium...................................... 0.057 0.025Oil and grease................................ 1.220 0.732Total suspended solids........................ 2.501 1.190pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(l) Scrap milling wet air pollution control.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of scrap
milled
--------------Chromium (total).............................. 0.995 0.407Lead.......................................... 0.950 0.452Nickel........................................ 4.341 2.871Titanium...................................... 2.125 0.927Oil and grease................................ 45.220 27.130Total suspended solids........................ 92.700 44.090pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(m) Scrap detergent wash water.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of scrap
washed
--------------Chromium (total).............................. 7.948 3.252Lead.......................................... 7.587 3.613Nickel........................................ 34.680 22.940Titanium...................................... 16.980 7.406Oil and grease................................ 361.300 216.800Total suspended solids........................ 740.600 352.300pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(n) Casting crucible wash water.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
titanium cast
--------------Chromium (total).............................. 0.210 0.086Lead.......................................... 0.200 0.095Nickel........................................ 0.916 0.606Titanium...................................... 0.448 0.196Oil and grease................................ 9.540 5.724
Total suspended solids........................ 19.560 9.302pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.
(o) Casting contact cooling water.
BPT Limitations for the Primary and Secondary Titanium Subcategory------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per
million pounds) of
titanium cast
--------------Chromium (total).............................. 321.100 131.400Lead.......................................... 306.500 145.900Nickel........................................ 1,401.000 926.800Titanium...................................... 685.900 299.200Oil and grease................................ 14,590.000 8,757.000Total suspended solids........................ 29,920.000 14,230.000pH............................................ (\1\) (\1\)------------------------------------------------------------------------\1\ Within the range of 7.5 to 10.0 at all times.