Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 255 - Battery manufacturing
Subchapter II - Cadmium Subcategory
Section NR 255.14 - Pretreatment standards for existing sources
Current through August 26, 2024
(1) Except as provided in 40 CFR 403.7 and 403.13, any existing 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 existing sources: -
Table 27
Electrodeposited Anodes
PSES
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of cadmium |
|
|
English units - |
lb/million lbs of cadmium |
|
|
Cadmium |
11.95 |
5.27 |
|
Nickel |
67.49 |
44.64 |
|
Zinc |
51.32 |
21.44 |
|
Cobalt |
7.38 |
3.16 |
Table 28
Impregnated Anodes or Nickel Impregnated Cathodes
PSES
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of cadmium or nickel applied |
|
|
English units - |
lb/million lbs of cadmium or nickel applied |
|
|
Cadmium |
68.0 |
30.0 |
|
Nickel |
384.0 |
254.0 |
|
Zinc |
292.0 |
122.0 |
|
Cobalt |
42.0 |
18.0 |
Table 29
Nickel Electrodeposited Cathodes
PSES
|
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 |
|
|
Cadmium |
11.22 |
4.95 |
|
Nickel |
63.36 |
41.91 |
|
Zinc |
48.18 |
20.13 |
|
Cobalt |
6.93 |
2.97 |
Table 30
Miscellaneous Wastewater Streams
PSES
|
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 |
|
|
Cadmium |
0.79 |
0.35 |
|
Nickel |
4.47 |
2.96 |
|
Zinc |
3.40 |
1.42 |
|
Cobalt |
0.49 |
0.21 |
Table 31
Cadmium Powder Production
PSES
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of cadmium powder produceed |
|
|
English units - |
lb/million lbs of cadmium powder produced |
|
|
Cadmium |
2.23 |
0.99 |
|
Nickel |
12.61 |
8.34 |
|
Zinc |
9.59 |
4.01 |
|
Cobalt |
1.38 |
0.59 |
Table 32
Silver Powder Production
PSES
|
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 |
||
|
Cadmium |
1.09 |
0.48 |
|
Nickel |
6.16 |
4.08 |
|
Silver |
1.32 |
0.55 |
|
Zinc |
4.69 |
1.96 |
|
Cobalt |
0.67 |
0.29 |
Table 33
Cadmium Hydroxide Production
PSES
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of cadmium used |
|
|
English units - |
lb/million lbs of cadmium used |
|
|
Cadmium |
0.05 |
0.02 |
|
Nickel |
0.27 |
0.18 |
|
Zinc |
0.20 |
0.09 |
|
Cobalt |
0.03 |
0.012 |
Table 34
Nickel Hydroxide Production
PSES
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of nickel used |
|
|
English units- |
lb/million lbs of nickel used |
|
|
Cadmium |
5.61 |
2.48 |
|
Nickel |
31.68 |
20.96 |
|
Zinc |
24.09 |
10.07 |
|
Cobalt |
3.47 |
1.49 |
(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 27 to 34.
