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 255.12 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable
Current through August 26, 2024
(1) Except as provided in 40 CFR 125.30 to 125.32, any existing source subject to this subchapter shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of BAT:
Table 11
Electrodeposited Anodes
BAT
|
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 12
Impregnated Anodes or Nickel Impregnated Cathodes
BAT
|
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 13
Nickel Electrodeposited Cathodes
BAT
|
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 14
Miscellaneous Wastewater Streams
BAT
|
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 15
Cadmium Powder Production
BAT
|
POLLUTANT OR |
MAXIMUM FOR |
MAXIMUM FOR |
|
POLLUTANT PROPERTY |
ANY 1 DAY |
MONTHLY AVERAGE |
|
Metric units - |
mg/kg of cadmium powder produced |
|
|
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 16
Silver Powder Production
BAT
|
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 17
Cadmium Hydroxide Production
BAT
|
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 |
0.01 |
Table 18
Nickel Hydroxide Production
BAT
|
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 11 to 18.
