Except as provided in 40 CFR 125.30 to 125.32, any existing point source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by application of BAT:
Table 31-12
Secondary Tungsten and Cobalt Tungsten Detergent Wash and Rinse
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tungsten scrap washed | |
Copper | 0.250 | 0.119 |
Nickel | 0.107 | 0.072 |
Ammonia (as N) | 25.990 | 11.430 |
Cobalt | 0.538 | 0.236 |
Tungsten | 0.679 | 0.302 |
Table 31-13
Secondary Tungsten and Cobalt Tungsten Leaching Acid
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tungsten produced | |
Copper | 3.291 | 1.569 |
Nickel | 1.414 | 0.951 |
Ammonia (as N) | 342.700 | 150.700 |
Cobalt | 7.096 | 3.111 |
Tungsten | 8.947 | 3.985 |
Table 31-14
Secondary Tungsten and Cobalt Tungsten Post Leaching Wash and Rinse
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tungsten produced | |
Copper | 6.583 | 3.137 |
Nickel | 2.829 | 1.903 |
Ammonia (as N) | 685.600 | 301.400 |
Cobalt | 14.194 | 6.223 |
Tungsten | 17.900 | 7.972 |
Table 31-15
Secondary Tungsten and Cobalt Synthetic Scheelite Filtrate
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of synthetic scheelite produced | |
Copper | 21.330 | 10.170 |
Nickel | 9.164 | 6.165 |
Ammonia (as N) | 2,221.000 | 976.300 |
Cobalt | 45.984 | 20.160 |
Tungsten | 57.980 | 25.820 |
Table 31-16
Secondary Tungsten and Cobalt Tungsten Carbide Leaching Wet Air Pollution Control
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tungsten carbide scrap leached | |
Copper | 2.241 | 1.068 |
Nickel | 0.963 | 0.648 |
Ammonia (as N) | 233.400 | 102.600 |
Cobalt | 4.833 | 2.119 |
Tungsten | 6.093 | 2.714 |
Table 31-17
Secondary Tungsten and Cobalt Tungsten Carbide Wash Water
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tungsten carbide produced | |
Copper | 10.670 | 5.083 |
Nickel | 4.583 | 3.083 |
Ammonia (as N) | 1,111.000 | 488.300 |
Cobalt | 22.999 | 10.083 |
Tungsten | 29.000 | 12.920 |
Table 31-18
Secondary Tungsten and Cobalt Cobalt Sludge Leaching Wet Air Pollution Control
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of cobalt produced from cobalt sludge | |
Copper | 45.800 | 21.830 |
Nickel | 19.680 | 13.240 |
Ammonia (as N) | 4,770.000 | 2,097.000 |
Cobalt | 98.756 | 43.295 |
Tungsten | 124.500 | 55.460 |
Table 31-19
Secondary Tungsten and Cobalt Crystallization Decant
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of cobalt produced | |
Copper | 53.310 | 25.410 |
Nickel | 22.910 | 15.410 |
Ammonia (as N) | 5,552.000 | 2,441.000 |
Cobalt | 114.954 | 50.397 |
Tungsten | 144.900 | 64.560 |
Table 31-20
Secondary Tungsten and Cobalt Acid Wash Decant
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of cobalt produced | |
Copper | 24.400 | 11.630 |
Nickel | 10.490 | 7.053 |
Ammonia (as N) | 2,541.000 | 1,117.000 |
Cobalt | 52.611 | 23.065 |
Tungsten | 66.340 | 29.550 |
Table 31-21
Secondary Tungsten and Cobalt Cobalt Hydroxide Filtrate
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of cobalt produced | |
Copper | 72.510 | 34.560 |
Nickel | 31.160 | 20.960 |
Ammonia (as N) | 7,551.000 | 3,320.000 |
Cobalt | 156.346 | 68.543 |
Tungsten | 197.100 | 87.800 |
Table 31-22
Secondary Tungsten and Cobalt Cobalt Hydroxide Filter Cake Wash
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of cobalt produced | |
Copper | 139.600 | 66.510 |
Nickel | 59.970 | 40.340 |
Ammonia (as N) | 14,530.000 | 6,389.000 |
Cobalt | 300.094 | 131.094 |
Tungsten | 379.400 | 169.000 |
Wis. Admin. Code Department of Natural Resources NR 274.313