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

Current through June 24, 2024
Except as provided in
					 40 CFR 125.30
					 to
					 125.32, any
					 existing point source subject to this subchapter shall achieve the following
					 effluent limitations representing the degree of effluent reduction attainable
					 by application of BAT:
Table 33-19
Primary Zirconium and Hafnium Sand Drying Wet Air
					 Pollution Control
BAT Effluent Limitations
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
Table 33-20
Primary Zirconium and Hafnium Sand Chlorination Off-Gas
					 Wet Air Pollution Control
BAT Effluent Limitations
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
Table 33-21
Primary Zirconium and Hafnium Sand Chlorination Area-Vent
					 Wet Air Pollution Control
BAT Effluent Limitations
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
Table 33-22
Primary Zirconium and Hafnium Silicon Tetrachloride
					 Purification Wet Air Pollution Control
BAT Effluent Limitations
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
Table 33-23
Primary Zirconium and Hafnium Feed Make Up Wet Air
					 Pollution Control
BAT Effluent Limitations
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
Table 33-24
Primary Zirconium and Hafnium Iron Extraction Steam
					 Stripper Bottoms
BAT Effluent Limitations
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
Table 33-25
Primary Zirconium and Hafnium Zirconium Filtrat
BAT Effluent Limitations
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
Table 33-26
Primary Zirconium and Hafnium Hafnium Filtrate
BAT Effluent Limitations
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
Table 33-27
Primary Zirconium and Hafnium Calcining Caustic Wet Air
					 Pollution Control
BAT Effluent Limitations
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
14.948
3.329
Ammonia (as N)
1,199.000
527.200
Table 33-28
Primary Zirconium and Hafnium Pure Chlorination Wet Air
					 Pollution Control
BAT Effluent Limitations
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
Table 33-29
Primary Zirconium and Hafnium Reduction Area Vent Wet Air
					 Pollution Control
BAT Effluent Limitations
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
Table 33-30
Primary Zirconium and Hafnium Magnesium Recovery Off-Gas
					 Wet Air Pollution Control
BAT Effluent Limitations
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
Table 33-31
Primary Zirconium and Hafnium Magnesium Recovery Area-Vent
					 Wet Air Pollution Control
BAT Effluent Limitations
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
26.335
4.262
Ammonia (as N)
1,535.000
675.000
Table 33-32
Primary Zirconium and Hafnium Zirconium Chip Crushing Wet
					 Air Pollution Control
BAT Effluent Limitations
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
Table 33-33
Primary Zirconium and Hafnium Acid Leachate From Zirconium
					 Metal Production
BAT Effluent Limitations
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
Table 33-34
Primary Zirconium and Hafnium Acid Leachate From Zirconium
					 Alloy Production
BAT Effluent Limitations
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
895.000
Table 33-35
Primary Zirconium and Hafnium Leaching Rinse Waters From
					 Zirconium Metal Production
BAT Effluent Limitations
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
Table 33-36
Primary Zirconium and Hafnium Leaching Rinse Waters From
					 Zirconium Alloy Production
BAT Effluent Limitations
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