Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 274 - Nonferrous metals manufacturing › Subchapter XXX - Primary and Secondary Titanium › Section NR 274.303 - 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 30-16
Primary and Secondary Titanium 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 titanium
								  tetrachloride produced
Chromium
0.346
0.140
Lead
0.262
0.122
Nickel
0.515
0.346
Titanium
0.496
0.216
Table 30-17
Primary and Secondary Titanium 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 titanium
								  tetrachloride produced
Chromium
0.385
0.156
Lead
0.291
0.135
Nickel
0.572
0.385
Titanium
0.551
0.239
Table 30-18
Primary and Secondary Titanium Titanium Tetrachloride
					 Handling 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 titanium
								  tetrachloride handled
Chromium
0.069
0.028
Lead
0.052
0.024
Nickel
0.103
0.069
Titanium
0.099
0.043
Table 30-19
Primary and Secondary Titanium Reduction Area 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 titanium
								  produced
Chromium
1.528
0.620
Lead
1.156
0.537
Nickel
2.272
1.528
Titanium
2.189
0.950
Table 30-20
Primary and Secondary Titanium Melt Cell 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 titanium
								  produced
Chromium
0.787
0.319
Lead
0.595
0.276
Nickel
1.169
0.787
Titanium
1.127
0.489
Table 30-21
Primary and Secondary Titanium Chlorine Liquefaction 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 titanium
								  produced
Chromium
11.010
4.463
Lead
8.332
3.868
Nickel
16.370
11.010
Titanium
15.770
6.844
Table 30-22
Primary and Secondary Titanium Sodium Reduction Container
					 Reconditioning Wash Water
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of titanium
								  produced
Chromium
0.474
0.192
Lead
0.359
0.167
Nickel
0.705
0.474
Titanium
0.679
0.295
Table 30-23
Primary and Secondary Titanium Chip Crushing Wet Air
					 Pollutant Control
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of titanium
								  produced
Chromium
0.848
0.344
Lead
0.642
0.298
Nickel
1.261
0.848
Titanium
1.215
0.527
Table 30-24
Primary and Secondary Titanium Acid Leachate and Rinse
					 Water
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of titanium
								  produced
Chromium
4.381
1.776
Lead
3.315
1.539
Nickel
6.512
4.381
Titanium
6.275
2.723
Table 30-25
Primary and Secondary Titanium Sponge Crushing and
					 Screening 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 titanium
								  produced
Chromium
0.239
0.097
Lead
0.181
0.084
Nickel
0.356
0.239
Titanium
0.343
0.149
Table 30-26
Primary and Secondary Titanium Acid Pickle and Wash
					 Water
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of titanium
								  pickled
Chromium
0.023
0.009
Lead
0.017
0.008
Nickel
0.034
0.023
Titanium
0.032
0.014
Table 30-27
Primary and Secondary Titanium Scrap Milling 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 titanium
								  milled
Chromium
0.084
0.034
Lead
0.064
0.030
Nickel
0.125
0.084
Titanium
0.120
0.052
Table 30-28
Primary and Secondary Titanium Scrap Detergent Wash
					 Water
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of scrap
								  washed
Chromium
6.684
2.710
Lead
5.058
2.348
Nickel
9.935
6.684
Titanium
9.574
4.155
Table 30-29
Primary and Secondary Titanium Casting Crucible Wash
					 Water
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of titanium
								  cast
Chromium
0.176
0.072
Lead
0.134
0.062
Nickel
0.262
0.176
Titanium
0.253
0.110
Table 30-30
Primary and Secondary Titanium Casting Contact Cooling
					 Water
BAT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/kg (pounds per million pounds) of titanium
								  cast
Chromium
27.000
10.950
Lead
20.430
9.486
Nickel
40.140
27.000
Titanium
38.680
16.780