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 255.75 - Pretreatment standards for new sources

Current through June 24, 2024
(1) Except as
				  provided in
				  40 CFR 403.7, any
				  new 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 new sources:
Table 159
Zinc Oxide Formed Anodes
PSNS
POLLUTANT OR
POLLUTANT PROPERTY
MAXIMUM FOR
ANY 1 DAY
MAXIMUM FOR
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
Table 160
Electrodeposited Anodes
PSNS
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
Table 161
Silver Powder Formed Cathodes
PSNS
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
Table 162
Silver Oxide Powder Formed Cathodes
PSNS
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
Table 163
Silver Peroxide Cathodes
PSNS
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
Table 164
Nickel Impregnated Cathodes
PSNS
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
Table 165
Miscellaneous Wastewater Streams
PSNS
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
Table 166
Silver Etch
PSNS
POLLUTANT OR
POLLUTANT PROPERTY
MAXIMUM FOR
ANY 1 DAY
MAXIMUM FOR
MONTHLY AVERAGE
Metric units -mg/kg of 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
Table 167
Silver Peroxide Production
PSNS
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
Table 168
Silver Powder Production
PSNS
POLLUTANT OR
MAXIMUM FOR
MAXIMUM FOR
POLLUTANT PROPERTY
ANY 1 DAY
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
(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 159 to 168.