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 255.11 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available
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 BPT:
Table 1
Pasted and Pressed Powder Anodes
BPT
|
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 |
0.92 |
0.41 |
|
Nickel |
5.18 |
3.43 |
|
Zinc |
3.94 |
1.65 |
|
Cobalt |
0.57 |
0.24 |
|
Oil and grease |
54.00 |
32.40 |
|
TSS |
111.00 |
52.65 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
Table 2
Electrodeposited Anodes
BPT
|
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 |
237.0 |
104.6 |
|
Nickel |
1,338.2 |
885.2 |
|
Zinc |
1,017.6 |
425.2 |
|
Cobalt |
146.4 |
62.7 |
|
Oil and grease |
13,940.0 |
8,364.0 |
|
TSS |
28,577.0 |
13,592.0 |
|
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
Table 3
Impregnated Anodes
BPT
|
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 |
339.3 |
149.7 |
|
Nickel |
1,916.2 |
1,267.5 |
|
Zinc |
1,457.1 |
608.8 |
|
Cobalt |
209.6 |
89.8 |
|
Oil and grease |
19,960.0 |
11,976.0 |
|
TSS |
40,918.0 |
19,461.0 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
Table 4
Nickel Electrodeposited Cathodes
BPT
|
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 |
193.5 |
85.4 |
|
Nickel |
1,092.5 |
722.6 |
|
Zinc |
830.7 |
347.1 |
|
Cobalt |
119.5 |
51.2 |
|
Oil and grease |
11,380.0 |
6,828.0 |
|
TSS |
23,329.0 |
11,095.5 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
Table 5
Nickel Impregnated Cathodes
BPT
|
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 |
557.6 |
246.0 |
|
Nickel |
3,148.8 |
2,082.8 |
|
Zinc |
2,394.4 |
1,000.4 |
|
Cobalt |
344.4 |
147.6 |
|
Oil and grease |
32,800.0 |
19,680.0 |
|
TSS |
67,240.0 |
31,980.0 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
Table 6
Miscellaneous Wastewater Streams
BPT
|
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 |
6.29 |
2.77 |
|
Nickel |
35.54 |
23.50 |
|
Zinc |
27.02 |
11.29 |
|
Cobalt |
3.89 |
1.66 |
|
Oil and grease |
370.20 |
222.12 |
|
TSS |
758.91 |
360.94 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
Table 7
Cadmium Powder Production
BPT
|
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
|
Metric units - |
mg/kg of cadmium powder produced |
|
|
English units - |
lb/million lbs of cadmium powder produced |
|
|
Cadmium |
22.34 |
9.86 |
|
Nickel |
126.14 |
83.44 |
|
Zinc |
95.92 |
40.08 |
|
Cobalt |
13.80 |
5.91 |
|
Oil and grease |
1,314.00 |
788.40 |
|
TSS |
2,693.00 |
1,281.20 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
Table 8
Silver Powder Production
BPT
|
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 |
7.21 |
3.18 |
|
Nickel |
40.70 |
26.92 |
|
Silver |
8.69 |
3.61 |
|
Zinc |
30.95 |
12.93 |
|
Cobalt |
4.45 |
1.91 |
|
Oil and grease |
424.00 |
254.40 |
|
TSS |
869.20 |
413.40 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
Table 9
Cadmium Hydroxide Production
BPT
|
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 |
0.31 |
0.14 |
|
Nickel |
1.73 |
1.14 |
|
Zinc |
1.31 |
0.55 |
|
Cobalt |
0.19 |
0.08 |
|
Oil and grease |
18.00 |
10.80 |
|
TSS |
86.90 |
17.60 |
|
pH |
(1) |
(1) |
1 Within the range of 7.5 to 10.0 at all times.
Table 10
Nickel Hydroxide Production
BPT
|
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 |
37.4 |
16.5 |
|
Nickel |
211.2 |
139.7 |
|
Zinc |
160.6 |
67.1 |
|
Cobalt |
23.1 |
9.9 |
|
Oil and grease |
2,200.0 |
1,320.0 |
|
TSS |
4,510.0 |
2,145.0 |
|
pH |
(1) |
(1) |
(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 1 to 10.
