§ 421.302 Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best practicable control 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) 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) |
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
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) |
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
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) |