Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 274 - Nonferrous metals manufacturing › Subchapter XXXIII - Primary Zirconium and Hafnium › Section NR 274.334 - New source performance standards

Current through June 24, 2024
Any new source subject to this subchapter shall achieve the
					 following standards:
Table 33-37
Primary Zirconium and Hafnium
Sand Drying 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 zirconium dioxide and hafnium
dioxide produced
Chromium
0.210
0.085
Cyanide
0.114
0.045
Lead
0.159
0.074
Nickel
0.312
0.210
Ammonia (as N)
75.710
33.280
Total suspended solids
8.520
6.816
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-38
Primary Zirconium and Hafnium
Sand Chlorination Off-Gas 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
zirconium dioxide and hafnium
dioxide produced
Chromium
16.080
6.521
Cyanide
8.694
3.478
Lead
12.170
5.651
Nickel
23.910
16.080
Ammonia (as N)
5,795.000
2,547.000
Total suspended solids
652.100
521.000
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-39
Primary Zirconium and Hafnium
Sand Chlorination Area-Vent 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 zirconium dioxide and hafnium
dioxide produced
Chromium
3.154
1.279
Cyanide
1.705
0.682
Lead
2.387
1.108
Nickel
4.688
3.154
Ammonia (as N)
1,136.000
499.500
Total suspended solids
127.900
102.300
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-40
Primary Zirconium and Hafnium
Silicon Tetrachloride Purification 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 zirconium dioxide and hafnium
dioxide produced
Chromium
2.774
1.125
Cyanide
1.500
0.600
Lead
2.099
0.975
Nickel
4.124
2.774
Ammonia (as N)
999.500
439.400
Total suspended solids
112.500
89.980
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-41
Primary Zirconium and Hafnium
Feed Make Up 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 zirconium dioxide and hafnium
dioxide produced
Chromium
2.103
0.852
Cyanide
1.137
0.455
Lead
1.591
0.739
Nickel
3.126
2.103
Ammonia (as N)
757.500
333.000
Total suspended solids
85.250
68.200
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-42
Primary Zirconium and Hafnium
Iron Extraction Steam Stripper Bottoms
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds)
of zirconium dioxide and hafnium
dioxide produced
Chromium
0.830
0.337
Cyanide
0.449
0.180
Lead
0.628
0.292
Nickel
1.234
0.830
Ammonia (as N)
299.100
131.500
Total suspended solids
33.660
26.930
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-43
Primary Zirconium and Hafnium
Zirconium Filtrate
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds)
of zirconium dioxide and hafnium
dioxide produced
Chromium
14.350
5.819
Cyanide
7.758
3.103
Lead
10.860
5.043
Nickel
21.330
14.350
Ammonia (as N)
5,171.000
2,273.000
Total suspended solids
581.900
465.500
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-44
Primary Zirconium and Hafnium
Hafnium Filtrate
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds)
of zirconium dioxide and hafnium
dioxide produced
Chromium
0.000
0.000
Cyanide
0.000
0.000
Lead
0.000
0.000
Nickel
0.000
0.000
Ammonia (as N)
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 33-45
Primary Zirconium and Hafnium
Calcining Caustic 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 zirconium dioxide and hafnium
dioxide produced
Chromium
3.329
1.350
Cyanide
1.799
0.720
Lead
2.519
1.170
Nickel
4.948
3.329
Ammonia (as N)
1,199.000
527.200
Total suspended solids
135.000
108.000
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-46
Primary Zirconium and Hafnium
Pure Chlorination 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 zirconium dioxide and hafnium
dioxide produced
Chromium
14.180
5.748
Cyanide
7.663
3.065
Lead
10.730
4.981
Nickel
21.070
14.180
Ammonia (as N)
5,108.000
2,245.000
Total suspended solids
574.800
459.800
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-47
Primary Zirconium and Hafnium
Reduction Area Vent 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 zirconium dioxide and hafnium
dioxide produced
Chromium
1.364
0.553
Cyanide
0.737
0.295
Lead
1.032
0.479
Nickel
2.027
1.364
Ammonia (as N)
491.300
216.000
Total suspended solids
55.290
44.230
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-48 Primary Zirconium and Hafnium
Magnesium Recovery Off-Gas 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 zirconium dioxide and hafnium
dioxide produced
Chromium
7.671
3.110
Cyanide
4.147
1.659
Lead
5.805
2.695
Nickel
11.400
7.671
Ammonia (as N)
2,764.000
1,215.000
Total suspended solids
404.300
248.800
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-49 Primary Zirconium and Hafnium
Magnesium Recovery Area-Vent 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 zirconium dioxide and hafnium
dioxide produced
Chromium
4.262
1.728
Cyanide
2.304
0.921
Lead
3.225
1.497
Nickel
6.335
4.262
Ammonia (as N)
1,535.000
675.000
Total suspended solids
172.800
138.200
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-50 Primary Zirconium and Hafnium
Zirconium Chip Crushing 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 zirconium dioxide and hafnium
dioxide produced
Chromium
0.000
0.000
Cyanide
0.000
0.000
Lead
0.000
0.000
Nickel
0.000
0.000
Ammonia (as N)
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 33-51
Primary Zirconium and Hafnium
Acid Leachate From Zirconium Metal Production
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds)
of zirconium dioxide and hafnium
dioxide produced
Chromium
10.900
4.420
Cyanide
5.893
2.357
Lead
8.250
3.831
Nickel
16.210
10.900
Ammonia (as N)
3,928.000
1,674.000
Total suspended solids
442.000
353.600
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-52
Primary Zirconium and Hafnium
Acid Leachate From Zirconium Alloy Production
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds)
of zirconium dioxide and hafnium
dioxide produced
Chromium
5.835
2.366
Cyanide
3.154
1.262
Lead
4.416
2.050
Nickel
8.674
5.835
Ammonia (as N)
2,102.000
895.800
Total suspended solids
236.600
189.300
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-53
Primary Zirconium and Hafnium
Leaching Rinse Waters From Zirconium Metal
					 Production
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds)
of zirconium dioxide and hafnium
dioxide produced
Chromium
21.810
8.840
Cyanide
11.790
4.715
Lead
16.500
7.661
Nickel
32.410
21.810
Ammonia (as N)
7,856.000
3,453.000
Total suspended solids
884.000
707.200
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.
Table 33-54
Primary Zirconium and Hafnium
Leaching Rinse Waters From Zirconium Alloy
					 Production
NSPS
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds)
of zirconium dioxide and hafnium
dioxide produced
Chromium
0.292
0.118
Cyanide
0.158
0.063
Lead
0.221
0.103
Nickel
1.434
0.292
Ammonia (as N)
105.200
46.240
Total suspended solids
11.840
9.468
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times.