Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 255 - Battery manufacturing
Subchapter VIII - Zinc Subcategory
Section NR 255.75 - Pretreatment standards for new sources
Current through August 26, 2024
(1) Except as provided in 40 CFR 403.7, any new source subject to this subchapter that introduces pollutants into a POTW shall comply with 40 CFR Part 403 and achieve the following pretreatment standards for new sources:
Table 159
Zinc Oxide Formed Anodes
PSNS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of zinc |
|
|
English units - |
lb/million lbs of zinc |
|
|
Chromium |
4.55 |
1.97 |
|
Mercury |
2.82 |
1.19 |
|
Silver |
4.55 |
1.97 |
|
Zinc |
0.87 |
0.39 |
|
Manganese |
6.50 |
4.98 |
Table 160
Electrodeposited Anodes
PSNS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of zinc deposited |
|
|
English units - |
lb/million lbs of zinc deposited |
|
|
Chromium |
45.09 |
19.54 |
|
Mercury |
27.91 |
11.81 |
|
Silver |
45.09 |
19.54 |
|
Zinc |
8.59 |
3.86 |
|
Manganese |
64.41 |
49.38 |
Table 161
Silver Powder Formed Cathodes
PSNS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units -mg/kg of silver applied English units -lb/million lbs of silver applied |
||
|
Chromium |
6.24 |
2.70 |
|
Mercury |
3.86 |
1.63 |
|
Silver |
6.24 |
2.70 |
|
Zinc |
1.19 |
0.53 |
|
Manganese |
8.91 |
6.83 |
Table 162
Silver Oxide Powder Formed Cathodes
PSNS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of silver applied |
|
|
English units - |
lb/million lbs of silver applied |
|
|
Chromium |
4.17 |
1.81 |
|
Mercury |
2.58 |
1.09 |
|
Silver |
4.17 |
1.81 |
|
Zinc |
0.79 |
0.36 |
|
Manganese |
5.96 |
4.57 |
Table 163
Silver Peroxide Cathodes
PSNS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units -mg/kg of silver applied English units -lb/million lbs of silver applied |
||
|
Chromium |
1.00 |
0.43 |
|
Mercury |
0.62 |
0.26 |
|
Silver |
1.00 |
0.43 |
|
Zinc |
0.19 |
0.09 |
|
Manganese |
1.43 |
1.09 |
Table 164
Nickel Impregnated Cathodes
PSNS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of nickel applied |
|
|
English units - |
lb/million lbs of nickel applied |
|
|
Chromium |
42.0 |
18.2 |
|
Mercury |
26.0 |
11.0 |
|
Nickel |
42.0 |
18.2 |
|
Silver |
42.0 |
18.2 |
|
Zinc |
8.0 |
3.6 |
|
Manganese |
60.0 |
46.0 |
Table 165
Miscellaneous Wastewater Streams
PSNS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of cells produced |
|
|
English units - |
lb/million lbs of cells produced |
|
|
Chromium |
0.27 |
0.12 |
|
Cyanide |
0.039 |
0.016 |
|
Mercury |
0.17 |
0.07 |
|
Nickel |
0.27 |
0.12 |
|
Silver |
0.27 |
0.12 |
|
Zinc |
0.05 |
0.02 |
|
Manganese |
0.39 |
0.30 |
Table 166
Silver Etch
PSNS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units -mg/kg of silver processed English units - lb/million lbs of silver processed |
||
|
Chromium |
1.56 |
0.68 |
|
Mercury |
0.97 |
0.41 |
|
Silver |
1.56 |
0.68 |
|
Zinc |
0.30 |
0.13 |
|
Manganese |
2.23 |
1.71 |
Table 167
Silver Peroxide Production
PSNS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of silver in silver peroxide produced |
|
|
English units - |
lb/million lbs of silver in silver peroxide produced |
|
|
Chromium |
1.66 |
0.72 |
|
Mercury |
1.03 |
0.44 |
|
Silver |
1.66 |
0.72 |
|
Zinc |
0.32 |
0.14 |
|
Manganese |
2.37 |
1.82 |
Table 168
Silver Powder Production
PSNS
|
POLLUTANT OR |
MAXIMUM FOR |
MAXIMUM FOR |
|
POLLUTANT PROPERTY |
ANY 1 DAY |
MONTHLY AVERAGE |
|
Metric units -mg/kg of silver powder produced English units -lb/million lbs of silver powder produced |
||
|
Chromium |
0.67 |
0.29 |
|
Mercury |
0.42 |
0.18 |
|
Silver |
0.67 |
0.29 |
|
Zinc |
0.13 |
0.06 |
|
Manganese |
0.96 |
0.74 |
(2) There may be no discharge allowance for process wastewater pollutants from any battery manufacturing operation other than those battery manufacturing operations listed in tables 159 to 168.
