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
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.