Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 274 - Nonferrous metals manufacturing › Subchapter VIII - Primary Zinc › Section NR 274.084 - New source performance standards

Current through June 24, 2024
Any new source subject to this subchapter shall achieve the
					 following standards:
Table 8-10
Primary Zinc Zinc Reduction Furnace Wet Air Pollution
					 Control
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) reduced of
								  zinc
Cadmium
0.334
0.134
Copper
2.135
1.018
Lead
0.467
0.217
Zinc
1.702
0.701
Total suspended solids
25.020
20.020
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 8-11
Primary Zinc Preleach of Zinc Concentrates
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of concentrate
								  leached
Cadmium
0.180
0.072
Copper
1.153
0.550
Lead
0.252
0.117
Zinc
0.919
0.378
Total suspended solids
13.520
10.810
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 8-12
Primary Zinc Leaching Wet Air Pollution Control
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of zinc
								  processed through leaching
Cadmium
0.000
0.000
Copper
0.000
0.000
Lead
0.000
0.000
Zinc
0.000
0.000
Total suspended solids
0.000
0.000
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 8-13
Primary Zinc Electrolyte Bleed Wastewater
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of cathode zinc
								  produced
Cadmium
0.086
0.035
Copper
0.553
0.264
Lead
0.121
0.056
Zinc
0.441
0.182
Total suspended solids
6.480
5.184
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 8-14
Primary Zinc Cathode and Anode Wash Wastewater
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of cathode zinc
								  produced
Cadmium
0.150
0.060
Copper
0.961
0.458
Lead
0.210
0.098
Zinc
0.766
0.315
Total suspended solids
11.270
9.012
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 8-15
Primary Zinc Casting Wet Air Pollution Control
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of zinc
								  cast
Cadmium
0.051
0.021
Copper
0.329
0.157
Lead
0.072
0.033
Zinc
0.262
0.108
Total suspended solids
3.855
3.084
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 8-16
Primary Zinc Casting Contact Cooling
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of zinc
								  cast
Cadmium
0.036
0.014
Copper
0.232
0.110
Lead
0.051
0.024
Zinc
0.185
0.076
Total suspended solids pH
2.715 (1)
2.172 (1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 8-17
Primary Zinc Cadmium Plant Wastewater
NSPS
Pollutant or pollutant property
Maximum for any 1 day
Maximum for monthly average
mg/kg (pounds per million pounds) of cadmium
								  produced
Cadmium
1.234
0.494
Copper
7.899
3.765
Lead
1.728
0.802
Zinc
6.295
2.592
Total suspended solids
92.570
74.050
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.