Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 274 - Nonferrous metals manufacturing › Subchapter X - Primary Tungsten › Section NR 274.103 - 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 10-15
Primary Tungsten Tungstic Acid Rinse
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of tungstic
								  acid produced
Lead
11.490
5.333
Zinc
41.850
17.230
Ammonia (as N)
5,469.000
2,404.000
Table 10-16
Primary Tungsten Acid Leach 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 tungstic
								  acid produced
Lead
1.003
0.466
Zinc
3.653
1.504
Ammonia (as N)
477.400
209.900
Table 10-17
Primary Tungsten Alkali Leach Wash
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of sodium
								  tungstate produced
Lead
0.000
0.000
Zinc
0.000
0.000
Ammonia (as N)
0.000
0.000
Table 10-18
Primary Tungsten Alkali Leach Wash Condensate
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of sodium
								  tungstate produced
Lead
5.372
2.494
Zinc
19.570
8.057
Ammonia (as N)
2,557.000
1,124.000
Table 10-19
Primary Tungsten Ion-Exchange Raffinate Commingled With
					 Other Process or Nonprocess Waters
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of ammonium
								  tungstate produced
Lead
24.780
11.500
Zinc
90.240
37.160
Ammonia (as N)
11,790.000
5,185.000
Table 10-20
Primary Tungsten Ion-Exchange Raffinate Not Commingled With
					 Other Process or Nonprocess Waters
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of ammonium
								  tungstate produced
Lead
24.780
11.500
Zinc
90.240
37.160
Ammonia (as N)
11,790.000
5,185.000
(1) The limitation for ammonia does not apply if the mother
					 liquor feed to the ion exchange process or the raffinate from the ion exchange
					 process contains sulfates at concentrations exceeding 1,000 mg/l, this mother
					 liquor or raffinate is treated by ammonia stripping, and this mother liquor or
					 raffinate is not commingled with any other process or nonprocess waters prior
					 to steam stripping for ammonia removal.
Table 10-21
Primary Tungsten Calcium Tungstate Precipitate Wash
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of calcium
								  tungstate produced
Lead
20.670
9.594
Zinc
75.280
31.000
Ammonia (as N)
9,838.000
4,325.000
Table 10-22
Primary Tungsten Crystallization and Drying of Ammonium
					 Paratungstate
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of ammonium
								  paratungstate produced
Lead
0.000
0.000
Zinc
0.000
0.000
Ammonia (as N)
0.000
0.000
Table 10-23
Primary Tungsten Ammonium Paratungstate Conversion to
					 Oxides 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 tungsten
								  oxide produced
Lead
0.773
0.359
Zinc
2.817
1.160
Ammonia (as N)
368.200
161.900
Table 10-24
Primary Tungsten Ammonium Paratungstate Conversion to
					 Oxides Water of Formation
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of tungsten
								  oxide produced
Lead
0.018
0.008
Zinc
0.064
0.026
Ammonia (as N)
8.398
3.692
Table 10-25
Primary Tungsten Reduction to Tungsten 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 tungsten
								  metal produced
Lead
0.862
0.406
Zinc
3.142
1.294
Ammonia (as N)
410.600
180.500
Table 10-26
Primary Tungsten Reduction to Tungsten Water of
					 Formation
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of tungsten
								  metal produced
Lead
0.137
0.064
Zinc
0.499
0.205
Ammonia (as N)
65.190
28.660
Table 10-27
Primary Tungsten Tungsten Powder Acid Leach and Wash
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of tungsten
								  metal produced
Lead
0.672
0.312
Zinc
2.448
1.008
Ammonia (as N)
319.900
140.700
Table 10-28
Primary Tungsten Molybdenum Sulfide Precipitation 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 molybdenum
								  sulfide precipitated
Lead
0.000
0.000
Zinc
0.000
0.000
Ammonia (as N)
0.000
0.000