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 255.73 - New source performance standards

Current through June 24, 2024
(1) The discharge
				  of wastewater pollutants from any new source subject to this subchapter may not
				  exceed the following standards:
Table 137
Zinc Oxide Formed Anodes
NSPS
POLLUTANT OR
MAXIMUM FOR
MAXIMUM FOR
POLLUTANT PROPERTY
ANY 1 DAY
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
Oil and grease
216.7
216.7
TSS
325.0
260.0
pH
(1)
(1)
1Within the range of 7.5 to 10.0
					 at all times.
Table 138
Electrodeposited Anodes
NSPS
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
Oil and grease
2,147.00
2,147.00
TSS
3,220.50
2,576.40
pH
(1)
(1)
1Within the range of 7.5 to 10.0
					 at all times.
Table 139
Silver Powder Formed Cathodes
NSPS
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
Oil and grease
297.00
297.00
TSS
445.5
356.40
pH
(1)
(1)
1Within the range of 7.5 to 10.0
					 at all times.
Table 140
Silver Oxide Powder Formed Cathodes
NSPS
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
Oil and grease
198.5
198.5
TSS
297.8
238.2
pH
(1)
(1)
1Within the range of 7.5 to 10.0
					 at all times.
Table 141
Silver Peroxide Cathodes
NSPS
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
Oil and grease
47.6
47.6
TSS
71.4
57.1
pH
(1)
(1)
1Within the range of 7.5 to 10.0
					 at all times.
Table 142
Nickel Impregnated Cathodes
NSPS
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
Oil and grease
2,000.0
2,000.0
TSS
3,000.0
2,400.0
pH
(1)
(1)
1Within the range of 7.5 to 10.0
					 at all times.
Table 143
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
0.27
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
Oil and grease
12.90
12.90
TSS
19.35
15.48
pH
(1)
(1)
1Within the range of 7.5 to 10.0
					 at all times.
Table 144
Silver Etch
NSPS
POLLUTANT OR
POLLUTANT PROPERTY
MAXIMUM FOR
ANY 1 DAY
MAXIMUM FOR
MONTHLY AVERAGE
Metric units - mg/kg 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
Oil and grease
74.40
74.40
TSS
111.60
89.28
pH
(1)
(1)
1Within the range of 7.5 to 10.0
					 at all times.
Table 145
Silver Peroxide Production
NSPS
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
Oil and grease
79.10
79.10
TSS
118.65
94.92
pH
(1)
(1)
1Within the range of 7.5 to 10.0
					 at all times.
Table 146
Silver Powder Production
NSPS
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
0.67
0.29
Mercury
0.42
0.18
Silver
0.67
0.29
Zinc
0.13
0.06
Manganese
0.96
0.74
Oil and grease
32.10
32.10
TSS
48.15
38.52
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 137 to 146.