Wis. Admin. Code Department of Natural Resources NR 274.312
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 BPT:
Table 31-1
Secondary Tungsten and Cobalt Tungsten Detergent Wash and Rinse
BPT 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 | 0.371 | 0.195 |
Nickel | 0.374 | 0.248 |
Ammonia (as N) | 25.990 | 11.430 |
Cobalt | 0.768 | 0.337 |
Tungsten | 1.357 | 0.542 |
Oil and grease | 3.900 | 2.340 |
Total suspended solids | 7.995 | 3.803 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 31-2
Secondary Tungsten and Cobalt Tungsten Leaching Acid
BPT 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 | 4.885 | 2.571 |
Nickel | 4.937 | 3.365 |
Ammonia (as N) | 342.700 | 150.700 |
Cobalt | 10.130 | 4.448 |
Tungsten | 17.890 | 7.147 |
Oil and grease | 51.420 | 30.850 |
Total suspended solids | 105.400 | 50.140 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 31-3
Secondary Tungsten and Cobalt Tungsten Post Leaching Wash and Rinse
BPT 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 | 9.772 | 5.143 |
Nickel | 9.875 | 6.532 |
Ammonia (as N) | 685.600 | 301.400 |
Cobalt | 20.263 | 8.897 |
Tungsten | 35.800 | 14.300 |
Oil and grease | 102.900 | 61.720 |
Total suspended solids | 210.900 | 100.300 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 31-4
Secondary Tungsten and Cobalt Synthetic Scheelite Filtrate
BPT 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 | 31.660 | 16.660 |
Nickel | 31.990 | 21.160 |
Ammonia (as N) | 2,221.000 | 976.300 |
Cobalt | 65.644 | 28.824 |
Tungsten | 116.000 | 46.320 |
Oil and grease | 333.200 | 200.000 |
Total suspended solids | 683.000 | 324.900 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 31-5
Secondary Tungsten and Cobalt Tungsten Carbide Leaching Wet Air Pollution Control
BPT 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 | 3.327 | 1.751 |
Nickel | 3.362 | 2.224 |
Ammonia (as N) | 233.400 | 102.600 |
Cobalt | 6.899 | 3.039 |
Tungsten | 12.190 | 4.868 |
Oil and grease | 35.020 | 21.010 |
Total suspended solids | 71.790 | 34.150 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 31-6
Secondary Tungsten and Cobalt Tungsten Carbide Wash Water
BPT 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 | 15.830 | 8.333 |
Nickel | 16.000 | 10.580 |
Ammonia (as N) | 1,111.000 | 488.300 |
Cobalt | 32.832 | 14.146 |
Tungsten | 58.000 | 23.170 |
Oil and grease | 166.700 | 100.000 |
Total suspended solids | 341.700 | 162.500 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 31-7
Secondary Tungsten and Cobalt Cobalt Sludge Leaching Wet Air Pollution Control BPT Effluent Limitations
BPT 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 | 67.990 | 35.780 |
Nickel | 68.700 | 45.440 |
Ammonia (as N) | 4,770.000 | 2,097.000 |
Cobalt | 140.977 | 61.901 |
Tungsten | 249.000 | 99.470 |
Oil and grease | 715.600 | 429.400 |
Total suspended solids | 1,467.000 | 697.700 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 31-8
Secondary Tungsten and Cobalt Crystallization Decant
(1) Within the range of 7.5 to 10.0 at all times.
BPT 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 | 79.140 | 41.650 |
Nickel | 79.970 | 52.900 |
Ammonia (as N) | 5,552.000 | 2,441.000 |
Cobalt | 164.101 | 72.055 |
Tungsten | 289.900 | 115.800 |
Oil and grease | 833.000 | 499.800 |
Total suspended solids | 1,708.000 | 812.200 |
pH | (1) | (1) |
Table 31-9
Secondary Tungsten and Cobalt Acid Wash Decant
BPT 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 | 36.220 | 19.060 |
Nickel | 36.600 | 24.210 |
Ammonia (as N) | 2,541.000 | 1,117.000 |
Cobalt | 75.104 | 32.977 |
Tungsten | 132.700 | 52.990 |
Oil and grease | 381.300 | 228.800 |
Total suspended solids | 781.600 | 371.700 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 31-10
Secondary Tungsten and Cobalt Cobalt Hydroxide Filtrate
BPT 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 | 107.600 | 56.650 |
Nickel | 108.800 | 71.940 |
Ammonia (as N) | 7,551.000 | 3,320.000 |
Cobalt | 223.189 | 97.999 |
Tungsten | 394.300 | 157.500 |
Oil and grease | 1,133.000 | 679.800 |
Total suspended solids | 2,323.000 | 1,105.000 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 31-11
Secondary Tungsten and Cobalt Cobalt Hydroxide Filter Cake Wash
BPT 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 | 207.200 | 109.100 |
Nickel | 209.400 | 138.500 |
Ammonia (as N) | 14,530.000 | 6,389.000 |
Cobalt | 429.598 | 188.631 |
Tungsten | 758.900 | 303.100 |
Oil and grease | 2,181.000 | 1,309.000 |
Total suspended solids | 4,471.000 | 2,126.000 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Wis. Admin. Code Department of Natural Resources NR 274.312