Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 274 - Nonferrous metals manufacturing
Subchapter IX - Metallurgical Acid Plants
Section NR 274.094 - New source performance standards
Universal Citation: WI Admin Code ยง NR 274.094
Current through August 26, 2024
Any new source subject to this subchapter shall achieve the following standards:
Table 9-3
Metallurgical Acid Plants
|
NSPS |
||
|
Maximum for any 1 day |
Maximum for monthly average |
|
|
Pollutant or pollutant property |
mg/kg (pounds per million pounds) of 100% sulfuric acid capacity |
|
|
Arsenic |
3.550 |
1.584 |
|
Cadmium |
0.511 |
0.204 |
|
Copper |
3.269 |
1.558 |
|
Lead |
0.715 |
0.332 |
|
Zinc |
2.605 |
1.073 |
|
Fluoride (1) |
89.390 |
50.820 |
|
Total suspended solids |
38.310 |
30.650 |
|
pH |
(2) |
(2) |
(1) For molybdenum acid plants only.
(2) Within the range of 6.0 to 9.0 at all times.
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