Wis. Admin. Code Department of Natural Resources NR 274.114
Any new source subject to this subchapter shall achieve the following standards:
Table 11-23
Primary Columbium-Tantalum Concentrate Digestion Wet Air Pollution Control
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of concentrate digested | |
Lead | 0.174 | 0.081 |
Zinc | 0.635 | 0.261 |
Ammonia (as N) | 82.910 | 36.450 |
Fluoride | 21.770 | 12.440 |
Total suspended solids | 9.330 | 7.464 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 11-24
Primary Columbium-Tantalum Solvent Extraction Raffinate
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of concentrate digested | |
Lead | 2.592 | 1.203 |
Zinc | 9.442 | 3.888 |
Ammonia (as N) | 1,233.000 | 542.500 |
Fluoride | 324.000 | 185.100 |
Total suspended solids | 138.900 | 111.100 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 11-25
Primary Columbium-Tantalum Solvent Extraction Wet Air Pollution Control
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of concentrate digested | |
Lead | 0.069 | 0.032 |
Zinc | 0.251 | 0.103 |
Ammonia (as N) | 32.790 | 14.420 |
Fluoride | 8.610 | 4.920 |
Total suspended solids | 3.690 | 2.952 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 11-26
Primary Columbium-Tantalum Precipitation and Filtration
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of concentrate digested | |
Lead | 3.833 | 1.780 |
Zinc | 13.960 | 5.750 |
Ammonia (as N) | 1,825.000 | 802.200 |
Fluoride | 479.100 | 273.800 |
Total suspended solids | 205.400 | 164.300 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 11-27
Primary Columbium-Tantalum Precipitation and Filtration Wet Air Pollution Control
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of concentrate digested | |
Lead | 1.778 | 0.826 |
Zinc | 6.478 | 2.668 |
Ammonia (as N) | 846.600 | 372.200 |
Fluoride | 222.300 | 127.000 |
Total suspended solids | 95.270 | 76.210 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 11-28
Primary Columbium-Tantalum Tantalum Salt Drying
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tantalum salt dried | |
Lead | 16.950 | 7.871 |
Zinc | 61.750 | 25.430 |
Ammonia (as N) | 8,070.000 | 3,548.000 |
Fluoride | 2,119.000 | 1,211.000 |
Total suspended solids | 908.200 | 726.500 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 11-29
Primary Columbium-Tantalum Oxides Calcining Wet Air Pollution Control
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of columbium-tantalum oxide dried | |
Lead | 1.076 | 0.500 |
Zinc | 3.919 | 1.614 |
Ammonia (as N) | 512.200 | 225.200 |
Fluoride | 134.500 | 76.840 |
Total suspended solids pH | 57.630 (1) | 46.110 (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 11-30
Primary Columbium-Tantalum Reduction of Tantalum Salt to Metal
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) alt reduced of tantalum s | |
Lead | 46.500 | 21.590 |
Zinc | 169.400 | 69.750 |
Ammonia (as N) | 22,140.000 | 9,732.000 |
Fluoride | 5,813.000 | 3,322.000 |
Total suspended solids | 2,491.000 | 1,993.000 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 11-31
Primary Columbium-Tantalum Reduction of Tantalum Salt to Metal Wet Air Pollution Control
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tantalum salt reduced | |
Lead | 0.572 | 0.266 |
Zinc | 2.084 | 0.858 |
Ammonia (as N) | 272.400 | 119.700 |
Fluoride | 71.510 | 40.860 |
Total suspended solids | 30.650 | 24.520 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 11-32
Primary Columbium-Tantalum Tantalum Powder Wash
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of tantalum powder washed | |
Lead | 5.721 | 2.656 |
Zinc | 20.840 | 8.582 |
Ammonia (as N) | 2,724.000 | 1,198.000 |
Fluoride | 715.200 | 408.700 |
Total suspended solids | 306.500 | 245.200 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Table 11-33
Primary Columbium-Tantalum Consolidation and Casting Contact Cooling
NSPS | ||
Maximum for any 1 day | Maximum for monthly average | |
Pollutant or pollutant property | mg/kg (pounds per million pounds) of columbium or tantalum cast or consolidated | |
Lead | 0.000 | 0.000 |
Zinc | 0.000 | 0.000 |
Ammonia (as N) | 0.000 | 0.000 |
Fluoride | 0.000 | 0.000 |
Total suspended solids | 0.000 | 0.000 |
pH | (1) | (1) |
(1) Within the range of 7.5 to 10.0 at all times.
Wis. Admin. Code Department of Natural Resources NR 274.114