421.304—Standards of performance for new sources.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a)
Chlorination off-gas wet air pollution control.
NSPS Limitations for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of TiCl4 produced |
| Chromium (total) |
0.346 |
0.140 |
| Lead |
0.262 |
0.122 |
| Nickel |
0.515 |
0.346 |
| Titanium |
0.496 |
0.215 |
| Oil and grease |
9.360 |
9.360 |
| Total suspended solids |
14.040 |
11.230 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(b)
Chlorination area-vent wet air pollution control.
NSPS Limitations for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of TiCl4 produced |
| Chromium (total) |
0.385 |
0.156 |
| Lead |
0.291 |
0.135 |
| Nickel |
0.572 |
0.385 |
| Titanium |
0.551 |
0.239 |
| Oil and grease |
10.400 |
10.400 |
| Total suspended solids |
15.600 |
12.480 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
(c)
TiCl4 handling wet air pollution control.
NSPS Limitations for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of TiCl4 handled |
| Chromium (total) |
0.069 |
0.028 |
| Lead |
0.052 |
0.024 |
| Nickel |
0.103 |
0.069 |
| Titanium |
0.099 |
0.043 |
| Oil and grease |
1.870 |
1.870 |
| Total suspended solids |
2.805 |
2.244 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(d)
Reduction area wet air pollution control.
NSPS Limitations for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of titanium produced |
| Chromium (total) |
1.528 |
0.620 |
| Lead |
1.156 |
0.537 |
| Nickel |
2.272 |
1.528 |
| Titanium |
2.189 |
0.950 |
| Oil and grease |
41.300 |
41.300 |
| Total suspended solids |
61.950 |
49.560 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(e)
Melt cell wet air pollution control.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of titanium produced |
| Chromium (total) |
0.787 |
0.319 |
| Lead |
0.595 |
0.276 |
| Nickel |
1.169 |
0.787 |
| Titanium |
1.127 |
0.489 |
| Oil and grease |
21.260 |
21.260 |
| Total suspended solids |
31.890 |
25.510 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(f)
Chlorine liquefaction wet air pollution control.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pound per million pounds) of titanium produced |
| Chromium (total) |
0.000 |
0.000 |
| Lead |
0.000 |
0.000 |
| Nickel |
0.000 |
0.000 |
| Titanium |
0.000 |
0.000 |
| Oil and grease |
0.000 |
0.000 |
| Total suspended solids |
0.000 |
0.000 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(g)
Sodium reduction container reconditioning wash.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pound per million pounds) of titanium produced |
| Chromium (total) |
0.474 |
0.192 |
| Lead |
0.359 |
0.167 |
| Nickel |
0.705 |
0.474 |
| Titanium |
0.679 |
0.295 |
| Oil and grease |
12.820 |
12.820 |
| Total suspended solids |
19.230 |
15.380 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(h)
Chip crushing wet air pollution control.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pound per million pounds) of titanium produced |
| Chromium (total) |
0.000 |
0.000 |
| Lead |
0.000 |
0.000 |
| Nickel |
0.000 |
0.000 |
| Titanium |
0.000 |
0.000 |
| Oil and grease |
0.000 |
0.000 |
| Total suspended solids |
0.000 |
0.000 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(i)
Acid leachate and rinse water.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pound per million pounds) of titanium produced |
| Chromium (total) |
4.381 |
1.776 |
| Lead |
3.315 |
1.539 |
| Nickel |
6.512 |
4.381 |
| Titanium |
6.275 |
2.723 |
| Oil and grease |
118.400 |
118.400 |
| Total suspended solids |
177.600 |
142.100 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(j)
Sponge crushing and screening wet air pollution control.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of titanium produced |
| Chromium (total) |
0.000 |
0.000 |
| Lead |
0.000 |
0.000 |
| Nickel |
0.000 |
0.000 |
| Titanium |
0.000 |
0.000 |
| Oil and grease |
0.000 |
0.000 |
| Total suspended solids |
0.000 |
0.000 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(k)
Acid pickle and wash water.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of titanium pickled |
| Chromium (total) |
0.023 |
0.009 |
| Lead |
0.017 |
0.008 |
| Nickel |
0.034 |
0.023 |
| Titanium |
0.032 |
0.014 |
| Oil and grease |
0.610 |
0.610 |
| Total suspended solids |
0.915 |
0.732 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(l)
Scrap milling wet air pollution control.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of scrap milled |
| Chromium (total) |
0.000 |
0.000 |
| Lead |
0.000 |
0.000 |
| Nickel |
0.000 |
0.000 |
| Titanium |
0.000 |
0.000 |
| Oil and grease |
0.000 |
0.000 |
| Total suspended solids |
0.000 |
0.000 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(m)
Scrap detergent wash water.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of scrap washed |
| Chromium (total) |
6.684 |
2.710 |
| Lead |
5.058 |
2.348 |
| Nickel |
9.935 |
6.684 |
| Titanium |
9.574 |
4.155 |
| Oil and grease |
180.600 |
180.600 |
| Total suspended solids |
271.000 |
216.000 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(n)
Casting crucible wash water.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of titanium cast |
| Chromium (total) |
0.176 |
0.072 |
| Lead |
0.134 |
0.062 |
| Nickel |
0.262 |
0.176 |
| Titanium |
0.253 |
0.110 |
| Oil and grease |
4.770 |
4.770 |
| Total suspended solids |
7.155 |
5.724 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(o)
Casting contact cooling water.
NSPS for the Primary and Secondary Titanium Subcategory
|
mg/kg (pounds per million pounds) of titanium cast |
| Chromium (total) |
27.000 |
10.950 |
| Lead |
20.430 |
9.486 |
| Nickel |
40.140 |
27.000 |
| Titanium |
38.680 |
16.780 |
| Oil and grease |
729.700 |
729.700 |
| Total suspended solids |
1,095.000 |
875.700 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |