Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter VIII - Primary Zinc
Section NR 274.083 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
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 8-2
Primary Zinc Zinc Reduction Furnace 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 zinc reduced |
|
|
Cadmium |
0.334 |
0.134 |
|
Copper |
2.135 |
1.018 |
|
Lead |
0.467 |
0.217 |
|
Zinc |
1.702 |
0.701 |
Table 8-3
Primary Zinc Preleach of Zinc Concentrates
|
BAT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of concentrate leached |
|
|
Cadmium |
0.180 |
0.072 |
|
Copper |
1.153 |
0.550 |
|
Lead |
0.252 |
0.117 |
|
Zinc |
0.919 |
0.378 |
Table 8-4
Primary Zinc 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 zinc processed through leaching |
|
|
Cadmium |
0.000 |
0.000 |
|
Copper |
0.000 |
0.000 |
|
Lead |
0.000 |
0.000 |
|
Zinc |
0.000 |
0.000 |
Table 8-5
Primary Zinc Electrolyte Bleed Wastewater
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of zinc cast |
|
|
Cadmium |
0.086 |
0.035 |
|
Copper |
0.553 |
0.264 |
|
Lead |
0.121 |
0.056 |
|
Zinc |
0.441 |
0.182 |
Table 8-6
Primary Zinc Electrolyte Bleed Wastewater
|
BAT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of cathode zinc produced |
|
|
Cadmium |
0.150 |
0.060 |
|
Copper |
0.961 |
0.458 |
|
Lead |
0.210 |
0.098 |
|
Zinc |
0.766 |
0.315 |
Table 8-7
Primary Zinc Cathode and Anode Wash Wastewater
|
BAT Effluent Limitations |
||
|
Maximum for 1 day |
any Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of zinc cast |
|
|
Cadmium |
0.051 |
0.021 |
|
Copper |
0.329 |
0.157 |
|
Lead |
0.072 |
0.033 |
|
Zinc |
0.262 |
0.108 |
Table 8-8
Primary Zinc Casting Wet Air Pollution Control
|
BAT Effluent Limitations |
||
|
Maximum for 1 day |
any Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of zinc cast |
|
|
Cadmium |
0.036 |
0.014 |
|
Copper |
0.232 |
0.110 |
|
Lead |
0.051 |
0.024 |
|
Zinc |
0.185 |
0.076 |
Table 8-9
Primary Zinc Cadmium Plant Wastewater
|
BAT Effluent Limitations |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of cadmium produced |
|
|
Cadmium |
1.234 |
0.494 |
|
Copper |
7.899 |
3.765 |
|
Lead |
1.728 |
0.802 |
|
Zinc |
6.295 |
2.592 |
