Wis. Admin. Code Department of Natural Resources NR 274.023
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 2-2
Primary Aluminum Smelting Anode and Cathode Paste Plant Wet Air Pollution Control
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of paste | |
Benzo(a)pyrene | 0.005 | 0.002 |
Antimony | 0.263 | 0.117 |
Nickel | 0.075 | 0.050 |
Aluminum | 0.831 | 0.369 |
Fluoride | 8.092 | 3.591 |
Table 2-3
Primary Aluminum Smelting Anode Contact Cooling and Briquette Quenching
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of anodes cast | |
Benzo(a)pyrene | 0.007 | 0.003 |
Antimony | 0.403 | 0.180 |
Nickel | 0.115 | 0.077 |
Aluminum | 1.277 | 0.566 |
Fluoride | 12.440 | 5.518 |
Table 2-4
Primary Aluminum Smelting Anode Bake Plant Wet Air Pollution Control Closed Top Ring Furnace
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg(pounds per 1,000,000 pounds) of anodes baked | |
Benzo(a)pyrene | 0.146 | 0.067 |
Antimony | 8.346 | 3.719 |
Nickel | 2.378 | 1.600 |
Aluminum | 26.420 | 11.720 |
Fluoride | 257.300 | 114.200 |
Table 2-5
Primary Aluminum Smelting
Anode Bake Plant Wet Air Pollution Control
Open Top Ring Furnace With Spray Tower
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per1,000,000 pounds) of anodes baked | |
Benzo(a)pyrene | 0.002 | 0.001 |
Antimony | 0.097 | 0.043 |
Nickel | 0.028 | 0.019 |
Aluminum | 0.306 | 0.136 |
Fluoride | 2.975 | 1.320 |
Table 2-6
Primary Aluminum Smelting
Anode Bake Plant Wet Air Pollution Control
Open Top Ring Furnace With Wet Electrostatic Precipitator and Spray Tower
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of anodes baked | |
Benzo(a)pyrene | 0.025 | 0.011 |
Antimony | 1.409 | 0.628 |
Nickel | 0.402 | 0.270 |
Aluminum | 4.461 | 1.979 |
Fluoride | 43.440 | 19.270 |
Table 2-7
Primary Aluminum Smelting Anode Bake Plant Wet Air Pollution Control Tunnel Kiln
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of anodes baked | |
Benzo(a)pyrene | 0.038 | 0.018 |
Antimony | 2.197 | 0.979 |
Nickel | 0.626 | 0.421 |
Aluminum | 6.953 | 3.084 |
Fluoride | 67.710 | 30.050 |
Table 2-8
Primary Aluminum Smelting
Cathode Reprocessing Operated With Dry Potline
Scrubbing and Not Commingled With Other Process or Nonprocess Wastewaters
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of cryolite recovered | |
Benzo(a)pyrene | 1.181 | 0.547 |
Antimony | 420.400 | 189.200 |
Cyanide | 157.600 | 70.060 |
Nickel | 80.570 | 35.030 |
Aluminum | 273.200 | 122.600 |
Fluoride | 29,430.000 | 13,310.000 |
Table 2-9
Primary Aluminum Smelting
Cathode Reprocessing Operated With Dry Potline Scrubbing and Commingled With Other Process or Nonprocess Wastewaters
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of cryolite recovered | |
Benzo(a)pyrene | 1.181 | 0.547 |
Antimony | 67.610 | 30.120 |
Cyanide | 157.600 | 70.060 |
Nickel | 19.270 | 12.960 |
Aluminum | 214.000 | 94.930 |
Fluoride | 2,084.000 | 924.800 |
Table 2-10
Primary Aluminum Smelting Cathode Reprocessing
Operated With Wet Potline Scrubbing
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of cryolite recovered | |
Benzo(a)pyrene | 0.000 | |
Antimony | 0.000 | 0.000 |
Cyanide | 0.000 | 0.000 |
Nickel | 0.000 | 0.000 |
Aluminum | 0.000 | 0.000 |
Fluoride | 0.000 | 0.000 |
Table 2-11
Primary Aluminum Smelting Potline Wet Air Pollution
Control Operated Without Cathode Reprocessing
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction | |
Benzo(a)pyrene | 0.028 | 0.013 |
Antimony | 1.618 | 0.721 |
Nickel | 0.461 | 0.310 |
Aluminum | 5.120 | 2.271 |
Fluoride | 49.860 | 22.130 |
Table 2-12
Primary Aluminum Smelting Potline Wet Air Pollution
Control Operated With Cathode Reprocessing and Not
Commingled With Other Process or Nonprocess Waters
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction | |
Benzo(a)pyrene | 0.028 | 0.013 |
Antimony | 10.060 | 4.525 |
Cyanide | 3.771 | 1.676 |
Nickel | 1.928 | 0.838 |
Aluminum | 6.537 | 2.933 |
Fluoride | 703.900 | 318.500 |
Table 2-13
Primary Aluminum Smelting Potline Wet Air Pollution
Control Operated With Cathode Reprocessing and Commingled With Other Process or Nonprocess Waters
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction | |
Benzo(a)pyrene | 0.028 | 0.013 |
Antimony | 1.618 | 0.721 |
Cyanide | 3.771 | 1.676 |
Nickel | 0.461 | 0.310 |
Aluminum | 5.120 | 2.271 |
Fluoride | 49.860 | 22.130 |
Table 2-14
Primary Aluminum Smelting Potroom Wet Air Pollution Control
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction | |
Benzo(a)pyrene | 0.056 | 0.026 |
Antimony | 3.204 | 1.428 |
Nickel | 0.913 | 0.614 |
Aluminum | 10.140 | 4.499 |
Fluoride | 98.770 | 43.830 |
Table 2-15
Primary Aluminum Smelting Potline Sulfur Dioxide Emissions Wet Air Pollution Control
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction | |
Benzo(a)pyrene | 0.045 | 0.021 |
Antimony | 2.588 | 1.153 |
Nickel | 0.738 | 0.496 |
Aluminum | 8.194 | 3.634 |
Fluoride | 79.790 | 35.400 |
Table 2-16
Primary Aluminum Smelting Degassing Wet Air Pollution Control
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction | |
Benzo(a)pyrene | (1) | (1) |
Antimony | 5.036 | 2.244 |
Nickel | 1.435 | 0.965 |
Aluminum | 15.940 | 7.071 |
Fluoride | 155.300 | 68.880 |
(1) This pollutant has no discharge allowance.
Table 2-17
Primary Aluminum Smelting Pot Repair and Pot Soaking
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of aluminum produced from electrolytic reduction | |
Benzo(a)pyrene | 0.000 | |
Antimony | 0.000 | 0.000 |
Nickel | 0.000 | 0.000 |
Aluminum | 0.000 | 0.000 |
Fluoride | 0.000 | 0.000 |
Table 2-18
Primary Aluminum Smelting Direct Chill Casting Contact
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of aluminum produced from direct chill casting | |
Benzo(a)pyrene | (1) | (1) |
Antimony | 2.565 | 1.143 |
Nickel | 0.731 | 0.492 |
Aluminum | 8.120 | 3.602 |
Fluoride | 79.080 | 35.090 |
(1) This pollutant has no discharge allowance.
Table 2-19
Primary Aluminum Smelting Continuous Rod Casting Contact Cooling
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of aluminum produced from rod casting | |
Benzo(a)pyrene | (1) | (1) |
Antimony | 0.201 | 0.089 |
Nickel | 0.057 | 0.038 |
Aluminum | 0.636 | 0.282 |
Fluoride | 6.188 | 2.746 |
(1) This pollutant has no discharge allowance.
Table 2-20
Primary Aluminum Smelting Stationary Casting or Shot
Casting Contact Cooling
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per 1,000,000 pounds) of aluminum produced from stationary casting or shot casting | |
Benzo(a)pyrene | 0.000 | |
Antimony | 0.000 | 0.000 |
Nickel | 0.000 | 0.000 |
Aluminum | 0.000 | 0.000 |
Wis. Admin. Code Department of Natural Resources NR 274.023