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
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
