Wis. Admin. Code Department of Natural Resources NR 274.292
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 29-1
Secondary Tin Tin Smelter Sulfur Dioxide Scrubber
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of crude tapped tin metal produced | |
Arsenic | 19.220 | 8.554 |
Lead | 3.863 | 1.840 |
Iron | 11.040 | 5.611 |
Tin | 3.495 | 2.024 |
Total suspended solids | 377.100 | 179.400 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 29-2
Secondary Tin Dealuminizing Rinse
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of dealuminized scrap produced | |
Lead | 0.015 | 0.007 |
Cyanide | 0.010 | 0.004 |
Fluoride | 1.225 | 0.700 |
Tin | 0.013 | 0.008 |
Total suspended solids | 1.435 | 0.683 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 29-3
Secondary Tin Tin Mud Acid Neutralization Filtrate
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of neutralized dewatered tin mud produced | |
Lead | 2.120 | 1.009 |
Cyanide | 1.464 | 0.606 |
Fluoride | 176.600 | 100.400 |
Tin | 1.918 | 1.110 |
Total suspended solids | 206.900 | 98.420 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 29-4
Secondary Tin Tin Hydroxide Wash
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tin hydroxide washed | |
Lead | 5.020 | 2.391 |
Cyanide | 3.466 | 1.434 |
Fluoride | 418.400 | 237.900 |
Tin | 4.542 | 2.630 |
Total suspended solids | 490.100 | 233.100 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 29-5
Secondary Tin Spent Electrowinning Solution From New Scrap
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of cathode tin produced | |
Lead | 7.056 | 3.360 |
Cyanide | 4.872 | 2.016 |
Fluoride | 588.000 | 334.300 |
Tin | 6.384 | 3.696 |
Total suspended solids | 688.800 | 327.600 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 29-6
Secondary Tin Spent Electrowinning Solution From Municipal Solid Waste
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of municipal solid waste scrap used as a raw material | |
Lead | 0.050 | 0.024 |
Cyanide | 0.035 | 0.014 |
Fluoride | 4.165 | 2.368 |
Tin | 0.045 | 0.026 |
Total suspended solids | 4.879 | 2.321 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 29-7
Secondary Tin Tin Hydroxide Supernatant From Scrap
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tin metal recovered from scrap | |
Lead | 23.370 | 11.130 |
Cyanide | 16.140 | 6.677 |
Fluoride | 1,947.000 | 1,107.000 |
Tin | 21.140 | 12.240 |
Total suspended solids | 2,281.000 | 1,085.000 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 29-8
Secondary Tin Tin Hydroxide Supernatant From Plating Solutions and Sludges
BPT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tin metal recovered from plating solutions and sludges | |
Lead | 48.30 | 23.00 |
Cyanide | 33.35 | 13.80 |
Fluoride | 4,025.00 | 2,289.00 |
Tin | 43.70 | 25.30 |
Total suspended solids | 4,715.00 | 2,243.00 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 29-9
Secondary Tin Tin 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 crude tapped tin metal produced | |
Lead | 10.520 | 5.009 |
Cyanide | 7.263 | 3.005 |
Fluoride | 876.500 | 498.400 |
Tin | 9.517 | 5.510 |
Total suspended solids | 1,027.000 | 488.400 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times
Wis. Admin. Code Department of Natural Resources NR 274.292