Wisconsin Administrative Code
Department of Natural Resources
NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System
Chapter NR 255 - Battery manufacturing
Subchapter VI - Lithium Subcategory
Section NR 255.53 - 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 93
Lead Iodide Cathodes
NSPS
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
Metric units - |
mg/kg of lead |
|
English units - |
lb/million lbs of lead |
|
Chromium |
23.34 |
9.46 |
Lead |
17.66 |
8.20 |
Iron |
75.70 |
38.48 |
TSS |
946.2 |
756.96 |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 94
Iron Disulfide Cathodes
NSPS
POLLUTANT OR POLLUTANT PROPERTY |
MAXIMUM FOR ANY 1 DAY |
MAXIMUM FOR MONTHLY AVERAGE |
Metric units -mg/kg of iron disulfide English units -lb/million lbs of iron disulfide |
||
Chromium |
2.79 |
1.13 |
Lead |
2.11 |
0.96 |
Iron |
9.05 |
4.60 |
TSS |
113.1 |
90.5 |
pH |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 95
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 |
0.039 |
0.016 |
Lead |
0.030 |
0.014 |
Iron |
0.129 |
0.066 |
TSS |
1.62 |
1.30 |
(1) |
(1) |
1Within the range of 7.5 to 10.0 at all times.
Table 96
Air Scrubbers
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 |
|
TSS |
434.0 |
207.0 |
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 93 to 96.