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 21-6
Primary Molybdenum and Rhenium Molybdenum Sulfide Leachate
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 leachate | |
Arsenic | 0.644 | 0.287 |
Lead | 0.130 | 0.060 |
Nickel | 0.255 | 0.171 |
Selenium | 0.380 | 0.171 |
Ammonia (as N) | 61.720 | 27.130 |
Fluoride | 16.210 | 9.214 |
Table 21-7
Primary Molybdenum and Rhenium Roaster Sulfur Dioxide Scrubber
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 roasted | |
Arsenic | 2.334 | 1.041 |
Lead | 0.470 | 0.218 |
Nickel | 0.924 | 0.621 |
Selenium | 1.377 | 0.621 |
Ammonia (as N) | 223.800 | 98.390 |
Fluoride | 58.770 | 33.410 |
Table 21-8
Primary Molybdenum and Rhenium Molybdic Oxide Leachate
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of molybdenum contained in molybdic oxide leachate | |
Arsenic | 16.100 | 7.182 |
Lead | 3.244 | 1.506 |
Nickel | 6.371 | 4.286 |
Selenium | 9.499 | 4.286 |
Ammonia (as N) | 1,544.000 | 678.800 |
Fluoride | 405.400 | 230.500 |
Table 21-9
Primary Molybdenum and Rhenium Hydrogen Reduction Furnace Scrubber
BAT Effluent Limitations | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of molybdenum metal powder produced | |
Arsenic | 3.183 | 1.420 |
Lead | 0.641 | 0.298 |
Nickel | 1.260 | 0.847 |
Selenium | 1.878 | 0.847 |
Ammonia (as N) | 305.300 | 134.200 |
Fluoride | 80.150 | 45.570 |
Table 21-10
Primary Molybdenum and Rhenium Depleted Rhenium Scrubbing Solution
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 roasted | |
Arsenic | 0.995 | 0.444 |
Lead | 0.201 | 0.093 |
Nickel | 0.394 | 0.265 |
Selenium | 0.587 | 0.265 |
Ammonia (as N) | 95.440 | 41.960 |
Fluoride | 25.060 | 14.250 |
Wis. Admin. Code Department of Natural Resources NR 274.213