Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter XXVIII - Secondary Tantalum
Section NR 274.284 - New source performance standards
Any new source subject to this subchapter shall achieve the following standards:
Table 28-11
Secondary Tantalum Tantalum Alloy Leach and Rinse
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of tantalum powder produced |
|
|
Copper |
295.200 |
140.700 |
|
Lead |
64.570 |
29.980 |
|
Nickel |
126.800 |
85.320 |
|
Zinc |
235.200 |
96.850 |
|
Tantalum |
103.800 |
|
|
Total suspended solids |
3,459.000 |
2,767.000 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 28-12
Secondary Tantalum Capacitor Leach and Rinse
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of tantalum powder produced from leaching |
|
|
Copper |
25.860 |
12.320 |
|
Lead |
5.656 |
2.626 |
|
Nickel |
11.110 |
7.474 |
|
Zinc |
20.600 |
8.484 |
|
Tantalum |
9.090 |
|
|
Total suspended solids |
303.000 |
242.400 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 28-13
Secondary Tantalum Tantalum Sludge Leach and Rinse
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of equivalent pure tantalum powder produced |
|
|
Copper |
262.800 |
125.200 |
|
Lead |
57.480 |
26.690 |
|
Nickel |
112.900 |
75.960 |
|
Zinc |
209.400 |
86.230 |
|
Tantalum |
92.390 |
|
|
Total suspended solids |
3,080.000 |
2,464.000 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 28-14
Secondary Tantalum Tantalum Powder Acid Wash and Rinse
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of tantalum powder produced |
|
|
Copper |
0.448 |
0.214 |
|
Lead |
0.098 |
0.046 |
|
Nickel |
0.193 |
0.130 |
|
Zinc |
0.357 |
0.147 |
|
Tantalum |
0.158 |
|
|
Total suspended solids |
5.250 |
4.200 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
Table 28-15
Secondary Tantalum Leaching 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 equivalent pure tantalum powder produced |
|
|
Copper |
6.246 |
2.977 |
|
Lead |
1.366 |
0.634 |
|
Nickel |
2.684 |
1.806 |
|
Zinc |
4.978 |
2.050 |
|
Tantalum |
2.196 |
|
|
Total suspended solids |
73.200 |
58.560 |
|
pH |
(1) |
(1) |
(1) Within the range of 7.5 to 10.0 at all times
