Wis. Admin. Code NR § 274.233
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 23-5
Primary Nickel and Cobalt Raw Material Dust Control
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of copper, nickel, and cobalt in crushed raw material | |
Copper | 0.099 | 0.047 |
Nickel | 0.042 | 0.028 |
Ammonia (as N) | 10.260 | 4.512 |
Cobalt | 0.011 | 0.005 |
Table 23-6
Primary Nickel and Cobalt Nickel 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 nickel powder washed | |
Copper | 0.043 | 0.021 |
Nickel | 0.019 | 0.013 |
Ammonia (as N) | 4.515 | 1.985 |
Cobalt | 0.005 | 0.002 |
Table 23-7
Primary Nickel and Cobalt Nickel Reduction Decant
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of nickel produced | |
Copper | 16.250 | 7.744 |
Nickel | 6.982 | 4.697 |
Ammonia (as N) | 1,692.000 | 743.900 |
Cobalt | 1.777 | 0.889 |
Table 23-8
Primary Nickel and Cobalt Cobalt Reduction 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 | 27.390 | 13.050 |
Nickel | 11.770 | 7.917 |
Ammonia (as N) | 2,852.000 | 1,254.000 |
Cobalt | 2.996 | 1.498 |
Wis. Admin. Code Department of Natural Resources § NR 274.233