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 255.74 - Pretreatment standards for existing sources

Current through June 24, 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 147
Wet Amalgamated Powder Anode
PSES
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
0.24
0.099
Mercury
0.14
0.055
Silver
0.23
0.093
Zinc
0.80
0.34
Manganese
0.37
0.16
Table 148
Gelled Amalgam Anodes
PSES
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
0.030
0.12
Mercury
0.017
0.006
Silver
0.028
0.012
Zinc
0.099
0.042
Manganese
0.046
0.020
Table 149
Zinc Oxide Formed Anodes
PSES
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
9.53
3.90
Mercury
5.42
2.17
Silver
8.89
3.68
Zinc
31.64
13.22
Manganese
14.74
6.28
Table 150
Electrodeposited Anodes
PSES
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
94.47
38.65
Mercury
53.68
21.47
Silver
88.03
36.50
Zinc
313.46
130.97
Manganese
146.00
62.26
Table 151
Silver Powder Formed Cathodes
PSES
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
13.07
5.35
Mercury
7.43
2.97
Silver
12.18
5.05
Zinc
43.36
18.12
Manganese
20.20
8.61
Table 152
Silver Oxide Powder Formed Cathodes
PSES
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
8.73
3.57
Mercury
4.96
1.99
Silver
8.14
3.37
Zinc
28.98
12.11
Manganese
13.50
5.76
Table 153
Silver Peroxide Cathodes
PSES
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
2.09
0.87
Mercury
1.19
0.48
Silver
1.95
0.81
Zinc
6.95
2.90
Manganese
3.24
1.38
Table 154
Nickel Impregnated 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
Chromium
88.0
36.0
Mercury
50.0
20.0
Nickel
384.0
254.0
Silver
82.0
34.0
Zinc
292.0
122.0
Manganese
136.0
58.0
Table 155
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
Chromium
0.57
0.23
Cyanide
0.38
0.16
Mercury
0.32
0.13
Nickel
2.48
1.64
Silver
0.53
0.22
Zinc
1.88
0.79
Manganese
0.88
0.37
Table 156
Silver Etch
PSES
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
3.27
1.34
Mercury
1.86
0.74
Silver
3.05
1.26
Zinc
10.86
4.54
Manganese
5.06
2.16
Table 157
Silver Peroxide Production
PSES
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
3.48
1.42
Mercury
1.98
0.79
Silver
3.24
1.34
Zinc
11.55
4.83
Manganese
5.38
2.29
Table 158
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
Chromium
1.41
0.58
Mercury
0.80
0.32
Silver
1.32
0.55
Zinc
4.69
1.96
Manganese
2.18
0.93
(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 147 to 158.