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 274.302 - Effluent limitations representing the degree of effluent reduction attainable by the application of the best practicable control technology currently available

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 BPT:
Table 30-1
Primary and Secondary Titanium Chlorination Off-gas Wet
					 Air Pollution Control
BPT 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
0.412
0.168
Lead
0.393
0.187
Nickel
1.797
1.187
Titanium
0.880
0.384
Oil and grease
18.720
11.230
Total suspended solids
38.380
18.250
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-2
Primary and Secondary Titanium Chlorination Area-vent Wet
					 Air Pollution Control
BPT 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
0.458
0.187
Lead
0.437
0.208
Nickel
1.997
1.321
Titanium
0.978
0.426
Oil and grease
20.800
12.480
Total suspended solids
42.640
20.280
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-3
Primary and Secondary Titanium Titanium Tetrachloride
					 Handling Wet Air Pollution Control
BPT 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
0.082
0.034
Lead
0.079
0.037
Nickel
0.359
0.237
Titanium
0.176
0.077
Oil and grease
3.740
2.244
Total suspended solids
7.667
3.647
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-4
Primary and Secondary Titanium Reduction Area Wet Air
					 Pollution Control
BPT 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
18.170
7.435
Lead
17.350
8.261
Nickel
79.300
52.450
Titanium
38.820
16.930
Oil and grease
826.100
495.600
Total suspended solids
1,693.000
805.400
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-5
Primary and Secondary Titanium Melt Cell Wet Air Pollution
					 Control
BPT 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
9.352
3.826
Lead
8.927
4.251
Nickel
40.810
26.990
Titanium
19.980
8.714
Oil and grease
425.100
255.000
Total suspended solids
871.400
414.500
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-6
Primary and Secondary Titanium Chlorine Liquefaction Wet
					 Air Pollution Control
BPT 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
130.900
53.560
Lead
125.000
59.510
Nickel
571.300
377.900
Titanium
279.700
122.000
Oil and grease
5,951.000
3,571.000
Total suspended solids
12,200.000
5,702.000
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-7
Primary and Secondary Titanium Sodium Reduction Container
					 Reconditioning Wash Water
BPT 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
0.564
0.231
Lead
0.538
0.256
Nickel
2.461
1.628
Titanium
1.205
0.526
Oil and grease
25.640
15.380
Total suspended solids
52.560
25.000
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-8
Primary and Secondary Titanium Chip Crushing Wet Air
					 Pollutant Control
BPT 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
10.090
4.126
Lead
9.627
4.584
Nickel
44.010
29.110
Titanium
21.550
9.398
Oil and grease
458.400
275.100
Total suspended solids
939.800
447.000
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-9
Primary and Secondary Titanium Acid Leachate and Rinse
					 Water
BPT 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
5.210
2.131
Lead
4.973
2.368
Nickel
22.730
15.040
Titanium
11.130
4.854
Oil and grease
236.800
142.100
Total suspended solids
485.400
230.900
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-10
Primary and Secondary Titanium Sponge Crushing and
					 Screening Wet Air Pollution Control
BPT 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
2.847
1.165
Lead
2.717
1.294
Nickel
12.420
8.217
Titanium
6.082
2.653
Oil and grease
129.400
77.640
Total suspended solids
265.300
126.200
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-11
Primary and Secondary Titanium Acid Pickle and Wash
					 Water
BPT 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
0.027
0.011
Lead
0.026
0.012
Nickel
0.117
0.077
Titanium
0.057
0.025
Oil and grease
1.220
0.732
Total suspended solids
2.501
1.190
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-12
Primary and Secondary Titanium Scrap Milling Wet Air
					 Pollution Control
BPT 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
0.995
0.407
Lead
0.950
0.452
Nickel
4.341
2.871
Titanium
2.125
0.927
Oil and grease
45.220
27.130
Total suspended solids
92.700
44.090
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-13
Primary and Secondary Titanium Scrap Detergent Wash
					 Water
BPT 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
7.948
3.252
Lead
7.587
3.613
Nickel
34.680
22.940
Titanium
16.980
7.406
Oil and grease
361.300
216.800
Total suspended solids
740.600
352.300
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-14
Primary and Secondary Titanium Casting Crucible Wash
					 Water
BPT 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
0.210
0.086
Lead
0.200
0.095
Nickel
0.916
0.606
Titanium
0.448
0.196
Oil and grease
9.540
5.724
Total suspended solids
19.560
9.302
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 30-15
Primary and Secondary Titanium Casting Contact Cooling
					 Water
BPT 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
321.100
131.400
Lead
306.500
145.900
Nickel
1,401.000
926.800
Titanium
685.900
299.200
Oil and grease
14,590.000
8,757.000
Total suspended solids
29,920.000
14,230.000
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all
					 times