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 10-15
Primary Tungsten Tungstic Acid Rinse
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tungstic acid produced | |
Lead | 11.490 | 5.333 |
Zinc | 41.850 | 17.230 |
Ammonia (as N) | 5,469.000 | 2,404.000 |
Table 10-16
Primary Tungsten Acid Leach 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 tungstic acid produced | |
Lead | 1.003 | 0.466 |
Zinc | 3.653 | 1.504 |
Ammonia (as N) | 477.400 | 209.900 |
Table 10-17
Primary Tungsten Alkali Leach Wash
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of sodium tungstate produced | |
Lead | 0.000 | 0.000 |
Zinc | 0.000 | 0.000 |
Ammonia (as N) | 0.000 | 0.000 |
Table 10-18
Primary Tungsten Alkali Leach Wash Condensate
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of sodium tungstate produced | |
Lead | 5.372 | 2.494 |
Zinc | 19.570 | 8.057 |
Ammonia (as N) | 2,557.000 | 1,124.000 |
Table 10-19
Primary Tungsten Ion-Exchange Raffinate 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 million pounds) of ammonium tungstate produced | |
Lead | 24.780 | 11.500 |
Zinc | 90.240 | 37.160 |
Ammonia (as N) | 11,790.000 | 5,185.000 |
Table 10-20
Primary Tungsten Ion-Exchange Raffinate 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 million pounds) of ammonium tungstate produced | |
Lead | 24.780 | 11.500 |
Zinc | 90.240 | 37.160 |
Ammonia (as N) | 11,790.000 | 5,185.000 |
(1) The limitation for ammonia does not apply if the mother liquor feed to the ion exchange process or the raffinate from the ion exchange process contains sulfates at concentrations exceeding 1,000 mg/l, this mother liquor or raffinate is treated by ammonia stripping, and this mother liquor or raffinate is not commingled with any other process or nonprocess waters prior to steam stripping for ammonia removal.
Table 10-21
Primary Tungsten Calcium Tungstate Precipitate Wash
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of calcium tungstate produced | |
Lead | 20.670 | 9.594 |
Zinc | 75.280 | 31.000 |
Ammonia (as N) | 9,838.000 | 4,325.000 |
Table 10-22
Primary Tungsten Crystallization and Drying of Ammonium Paratungstate
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of ammonium paratungstate produced | |
Lead | 0.000 | 0.000 |
Zinc | 0.000 | 0.000 |
Ammonia (as N) | 0.000 | 0.000 |
Table 10-23
Primary Tungsten Ammonium Paratungstate Conversion to Oxides 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 tungsten oxide produced | |
Lead | 0.773 | 0.359 |
Zinc | 2.817 | 1.160 |
Ammonia (as N) | 368.200 | 161.900 |
Table 10-24
Primary Tungsten Ammonium Paratungstate Conversion to Oxides Water of Formation
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tungsten oxide produced | |
Lead | 0.018 | 0.008 |
Zinc | 0.064 | 0.026 |
Ammonia (as N) | 8.398 | 3.692 |
Table 10-25
Primary Tungsten Reduction to Tungsten 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 tungsten metal produced | |
Lead | 0.862 | 0.406 |
Zinc | 3.142 | 1.294 |
Ammonia (as N) | 410.600 | 180.500 |
Table 10-26
Primary Tungsten Reduction to Tungsten Water of Formation
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tungsten metal produced | |
Lead | 0.137 | 0.064 |
Zinc | 0.499 | 0.205 |
Ammonia (as N) | 65.190 | 28.660 |
Table 10-27
Primary Tungsten Tungsten Powder Acid Leach and Wash
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tungsten metal produced | |
Lead | 0.672 | 0.312 |
Zinc | 2.448 | 1.008 |
Ammonia (as N) | 319.900 | 140.700 |
Table 10-28
Primary Tungsten Molybdenum Sulfide Precipitation 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 molybdenum sulfide precipitated | |
Lead | 0.000 | 0.000 |
Zinc | 0.000 | 0.000 |
Ammonia (as N) | 0.000 | 0.000 |
Wis. Admin. Code Department of Natural Resources NR 274.103