Wisconsin Administrative Code › Department of Natural Resources › NR 200-299 - Environmental Protection Wisconsin Pollutant Discharge Elimination System › Chapter NR 273 - Nonferrous metals forming and metal powders › Subchapter VI - Titanium › Section NR 273.062 - 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 6-1
Titanium
Rolling Contact Cooling Water
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium rolled with contact cooling water
Cyanide
1.4
0.586
Lead
2.05
0.976
Zinc
7.13
2.98
Ammonia
651
286
Fluoride
291
129
Oil and grease
97.0
58.0
Total suspended solids
200.0
95.0
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-2
Titanium
Extrusion Spent Emulsions
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium extruded
Cyanide
0.021
0.009
Lead
0.030
0.015
Zinc
0.105
0.044
Ammonia
9.59
4.22
Fluoride
4.28
1.9
Oil and grease
1.44
0.863
Total suspended solids
2.95
1.4
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-3
Titanium
Extrusion Press Hydraulic Fuel Leakage
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium extruded
Cyanide
0.052
0.022
Lead
0.075
0.036
Zinc
0.260
0.109
Ammonia
23.7
10.5
Fluoride
10.6
4.70
Oil and grease
3.56
2.14
Total suspended solids
7.30
3.47
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-4
Titanium
Forging Contact Cooling Water
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  forged titanium cooled with water
Cyanide
0.580
0.240
Lead
0.840
0.400
Zinc
2.92
1.22
Ammonia
267
117
Fluoride
119
52.8
Oil and grease
40.0
24.0
Total suspended solids
82.0
39.0
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-5
Titanium
Forging Equipment Cleaning Wastewater
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  forged titanium
Cyanide
0.012
0.005
Lead
0.017
0.008
Zinc
0.059
0.025
Ammonia
5.33
2.35
Fluoride
2.38
1.06
Oil and grease
0.800
0.480
Total suspended solids
1.64
0.780
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-6
Titanium
Forging Press Hydraulic Fluid Leakage
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  forged titanium
Cyanide
0.293
0.121
Lead
0.424
0.202
Zinc
1.48
0.616
Ammonia
135
59.2
Fluoride
60.1
26.7
Oil and grease
20.2
12.1
Total suspended solids
41.4
19.7
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-7
Titanium
Surface Treatment Spent Baths
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium surface treated
Cyanide
0.061
0.025
Lead
0.088
0.042
Zinc
0.304
0.127
Ammonia
27.7
12.2
Fluoride
12.4
5.49
Oil and grease
4.16
2.50
Total suspended solids
8.53
4.06
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-8
Titanium
Surface Treatment Rinse
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium surface treated
Cyanide
8.47
3.51
Lead
12.3
5.84
Zinc
42.7
17.8
Ammonia
3,890
1,710
Fluoride
1,740
771
Oil and grease
584
351
Total suspended solids
1,200
570
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-9
Titanium
Wet Air Pollution Control Scrubber Blowdown
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium surface treated or forged
Cyanide
0.621
0.257
Lead
0.899
0.428
Zinc
3.13
1.31
Ammonia
285
126
Fluoride
128
56.5
Oil and grease
42.8
25.7
Total suspended solids
87.8
41.8
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-10
Titanium
Alkaline Cleaning Spent Baths
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium alkaline cleaned
Cyanide
0.070
0.029
Lead
0.101
0.048
Zinc
0.351
0.147
Ammonia
32.0
14.1
Fluoride
14.3
6.34
Oil and grease
4.80
2.88
Total suspended solids
9.84
4.68
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-11
Titanium
Alkaline Cleaning Rinse
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium alkaline cleaned
Cyanide
0.801
0.331
Lead
1.16
0.552
Zinc
4.03
1.69
Ammonia
370
160
Fluoride
164
72.9
Oil and grease
55.2
33.1
Total suspended solids
113
53.8
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-12
Titanium
Molten Salt Rinse
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium treated with molten salt
Cyanide
0.277
0.115
Lead
0.401
0.191
Zinc
1.40
0.583
Ammonia
128
56.0
Fluoride
56.8
25.2
Oil and grease
19.1
11.5
Total suspended solids
39.2
18.6
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-13
Titanium
Tumbling Wastewater
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium tumbled
Cyanide
0.229
0.095
Lead
0.332
0.158
Zinc
1.16
0.482
Ammonia
110
46
Fluoride
47.0
20.9
Oil and grease
15.8
9.48
Total suspended solids
32.4
15.4
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-14
Titanium
Sawing or Grinding Spent Emulsions
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium sawed or ground with an emulsion
Cyanide
0.053
0.022
Lead
0.077
0.037
Zinc
0.267
0.112
Ammonia
24.4
10.7
Fluoride
10.9
4.83
Oil and grease
3.66
2.20
Total suspended solids
7.51
3.57
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-15
Titanium
Sawing or Grinding Contact Cooling Water
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium sawed or ground with contact cooling water
Cyanide
1.38
0.571
Lead
2.00
0.952
Zinc
6.95
2.91
Ammonia
635
279
Fluoride
283
126
Oil and grease
95.2
57.1
Total suspended solids
195
92.8
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-16
Titanium
Dye Penetrant Testing Wastewater
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium tested with dye penetrant methods
Cyanide
0.325
0.135
Lead
0.471
0.224
Zinc
1.64
0.683
Ammonia
149
65.7
Fluoride
66.7
29.6
Oil and grease
22.4
13.5
Total suspended solids
45.9
21.9
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all times
Table 6-17
Titanium
Miscellaneous Wastewater Sources
BPT Effluent Limitations
Maximum for any 1 day
Maximum for monthly average
Pollutant or pollutant property
mg/off-kg (pounds per million off-pounds) of
								  titanium formed
Cyanide
0.010
0.004
Lead
0.014
0.007
Zinc
0.048
0.020
Ammonia
4.32
1.90
Fluoride
1.93
0.856
Oil and grease
0.648
0.389
Total suspended solids
1.33
0.632
pH
(1)
(1)
(1) Within the range of 7.5 to 10.0 at all
					 times