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 255.73 - New source performance standards
Current through August 26, 2024
(1) The discharge of wastewater pollutants from any new source subject to this subchapter may not exceed the following standards:
Table 137
Zinc Oxide Formed Anodes
NSPS
|
POLLUTANT OR |
MAXIMUM FOR |
MAXIMUM FOR |
|
POLLUTANT PROPERTY |
ANY 1 DAY |
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 |
|
Oil and grease |
216.7 |
216.7 |
|
TSS |
325.0 |
260.0 |
|
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 138
Electrodeposited Anodes
NSPS
|
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 |
|
Oil and grease |
2,147.00 |
2,147.00 |
|
TSS |
3,220.50 |
2,576.40 |
|
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 139
Silver Powder Formed Cathodes
NSPS
|
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 |
|
Oil and grease |
297.00 |
297.00 |
|
TSS |
445.5 |
356.40 |
|
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 140
Silver Oxide Powder Formed Cathodes
NSPS
|
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 |
|
Oil and grease |
198.5 |
198.5 |
|
TSS |
297.8 |
238.2 |
|
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 141
Silver Peroxide Cathodes
NSPS
|
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 |
|
Oil and grease |
47.6 |
47.6 |
|
TSS |
71.4 |
57.1 |
|
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 142
Nickel Impregnated Cathodes
NSPS
|
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 |
|
Oil and grease |
2,000.0 |
2,000.0 |
|
TSS |
3,000.0 |
2,400.0 |
|
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 143
Miscellaneous Wastewater Streams
NSPS
|
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 |
|
Oil and grease |
12.90 |
12.90 |
|
TSS |
19.35 |
15.48 |
|
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 144
Silver Etch
NSPS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - mg/kg 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 |
|
Oil and grease |
74.40 |
74.40 |
|
TSS |
111.60 |
89.28 |
|
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 145
Silver Peroxide Production
NSPS
|
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 |
|
Oil and grease |
79.10 |
79.10 |
|
TSS |
118.65 |
94.92 |
|
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 146
Silver Powder Production
NSPS
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR 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 |
|
Oil and grease |
32.10 |
32.10 |
|
TSS |
48.15 |
38.52 |
|
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
(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 137 to 146.
