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 255.12 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable

Current through June 24, 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 BAT:
Table 11
Electrodeposited Anodes
BAT
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
11.95
5.27
Nickel
67.49
44.64
Zinc
51.32
21.44
Cobalt
7.38
3.16
Table 12
Impregnated Anodes or Nickel Impregnated
					 Cathodes
BAT
POLLUTANT OR
POLLUTANT PROPERTY
MAXIMUM FOR
ANY 1 DAY
MAXIMUM FOR
MONTHLY AVERAGE
Metric units - mg/kg of cadmium or nickel
								  applied
English units - lb/million lbs of cadmium or
								  nickel applied
Cadmium
68.0
30.0
Nickel
384.0
254.0
Zinc
292.0
122.0
Cobalt
42.0
18.0
Table 13
Nickel Electrodeposited Cathodes
BAT
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
11.22
4.95
Nickel
63.36
41.91
Zinc
48.18
20.13
Cobalt
6.93
2.97
Table 14
Miscellaneous Wastewater Streams
BAT
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
0.79
0.35
Nickel
4.47
2.96
Zinc
3.40
1.42
Cobalt
0.49
0.21
Table 15
Cadmium Powder Production
BAT
POLLUTANT OR
MAXIMUM FOR
MAXIMUM FOR
POLLUTANT PROPERTY
ANY 1 DAY
MONTHLY AVERAGE
Metric units -
mg/kg of cadmium powder produced
English units -
lb/million lbs of cadmium powder produced
Cadmium
2.23
0.99
Nickel
12.61
8.34
Zinc
9.59
4.01
Cobalt
1.38
0.59
Table 16
Silver Powder Production
BAT
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
1.09
0.48
Nickel
6.16
4.08
Silver
1.32
0.55
Zinc
4.69
1.96
Cobalt
0.67
0.29
Table 17
Cadmium Hydroxide Production
BAT
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
0.05
0.02
Nickel
0.27
0.18
Zinc
0.20
0.09
Cobalt
0.03
0.01
Table 18
Nickel Hydroxide Production
BAT
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
5.61
2.48
Nickel
31.68
20.96
Zinc
24.09
10.07
Cobalt
3.47
1.49
(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 11 to 18.