Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter XI - Primary Columbium-Tantalum
Section NR 274.114 - New source performance standards
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.
