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