421.104—Standards of performance for new sources.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a)
Subpart J—Tungstic Acid Rinse.
NSPS
|
mg/kg (pounds per million pounds) of tungstic acid (as W) produced |
| Lead |
11.490 |
5.333 |
| Zinc |
41.850 |
17.230 |
| Ammonia (as N) |
5,469.000 |
2,404.000 |
| Total suspended solids |
615.400 |
492.300 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
(b)
Subpart J—Acid Leach Wet Air Pollution
NSPS
|
mg/kg (pounds per million pounds) of tungstic acid (as W) produced |
| Lead |
1.003 |
0.466 |
| Zinc |
3.653 |
1.504 |
| Ammonia (as N) |
477.400 |
209.900 |
| Total suspended solids |
53.720 |
42.970 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
(c)
Subpart J—Alkali Leach Wash.
NSPS
|
mg/kg (pounds per million pounds) of sodium tungstate (as W) produced |
| Lead |
0.000 |
0.000 |
| Zinc |
0.000 |
0.000 |
| Ammonia (as N) |
0.000 |
0.000 |
| Total suspended solids |
0.000 |
0.000 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
(d)
Subpart J—Alkali Leach Wash Condensate.
NSPS
|
mg/kg (pounds per million pounds) of sodium tungstate (as W) produced |
| Lead |
5.372 |
2.494 |
| Zinc |
19.570 |
8.057 |
| Ammonia (as N) |
2,557.000 |
1,124.000 |
| Total suspended solids |
287.800 |
229.600 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
(e)
Subpart J—Ion Exchange Raffinate (Commingled With Other Process or Nonprocess Waters).
NSPS
|
mg/kg (pounds per million pounds) of ammonium tungstate (as W) produced |
| Lead |
24.780 |
11.500 |
| Zinc |
90.240 |
37.160 |
| Ammonia (as N) |
11,790.000 |
5,185.000 |
| Total suspended solids |
1,327.000 |
1,062.000 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
(f)
Subpart J—Ion Exchange Raffinate (Not Commingled With Other Process or Nonprocess Waters).
NSPS
|
mg/kg (pounds per million pounds) of ammonium tungstate (as W) produced |
| Lead |
24.780 |
11.500 |
| Zinc |
90.240 |
37.160 |
| Ammonia (as N) (2) |
11,790.000 |
5,185.000 |
| Total suspended solids |
1,327.000 |
1,062.000 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
|
2 The new source standard for this pollutant does not apply if (a) the mother liquor feed to the ion exchange process or the raffinate from the ion exchange process contains sulfates at concentrations exceeding 1000 mg/l; (b) this mother liquor or raffinate is treated by ammonia steam stripping; and (c) such mother liquor or raffinate is not commingled with any other process or nonprocess waters prior to steam stripping for ammonia removal. |
(g)
Subpart J—Calcium Tungstate Precipitate Wash.
NSPS
|
mg/kg (pounds per million pounds) of calcium tungstate (as W) produced |
| Lead |
20.670 |
9.594 |
| Zinc |
75.280 |
31.000 |
| Ammonia (as N) |
9,838.000 |
4,325.000 |
| Total suspended solids |
1,107.000 |
885.600 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
(h)
Subpart J—Crystallization and Drying of Ammonium Paratungstate.
NSPS
|
mg/kg (pounds per million pounds) of ammonium paratungstate (as W) produced |
| Lead |
0.000 |
0.000 |
| Zinc |
0.000 |
0.000 |
| Ammonia (as N) |
0.000 |
0.000 |
| Total suspended solids |
0.000 |
0.000 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
(i)
Subpart J—Ammonium Paratungstate Conversion to Oxides Wet Air Pollution Control.
NSPS
|
mg/kg (pound per million pounds) of tungstic oxide (as W) produced |
| Lead |
0.773 |
0.359 |
| Zinc |
2.817 |
1.160 |
| Ammonia (as N) |
368.200 |
161.900 |
| Total suspended solids |
41.430 |
33.150 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
(j)
Subpart J—Ammonium Paratungstate Conversion to Oxides Water of Formation.
NSPS
|
mg/kg (pounds per million pounds) of tungstic oxide (as W) produced |
| Lead |
0.018 |
0.008 |
| Zinc |
0.064 |
0.026 |
| Ammonia (as N) |
8.398 |
3.692 |
| Total suspended solids |
0.945 |
0.756 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.0 to 10.0 at all times. |
(k)
Subpart J—Reduction to Tungsten Wet Air Pollution Control.
NSPS
|
mg/kg (pounds per million pounds) of tungsten metal produced |
| Lead |
.862 |
.400 |
| Zinc |
3.142 |
1.294 |
| Ammonia (as N) |
410.600 |
180.500 |
| Total suspended solids |
46.200 |
36.960 |
| pH |
(1) |
(1) |
|
1Within the range of 7.0 to 10.0 at all times. |
(l)
Subpart J—Reduction to Tungsten Water of Formation.
NSPS
|
mg/kg (pounds per million pounds) of tungsten metal produced |
| Lead |
.137 |
.064 |
| Zinc |
.499 |
.205 |
| Ammonia (as N) |
65.190 |
28.660 |
| Total suspended solids |
7.335 |
5.868 |
| pH |
(1) |
(1) |
|
1Within the range of 7.0 to 10.0 at all times. |
(m)
Subpart J—Tungsten Power Acid Leach and Wash.
NSPS
|
mg/kg (pounds per million pounds) of tungsten metal produced |
| Lead |
.672 |
.312 |
| Zinc |
2.448 |
1.008 |
| Ammonia (as N) |
319.900 |
140.700 |
| Total suspended solids |
36.000 |
28.800 |
| pH |
(1) |
(1) |
Code of Federal Regulations
504
|
|
1Within the range of 7.0 to 10.0 at all times. |
(n)
Subpart J—Molybdenum Sulfide Precipitation Wet Air Pollution Control.
NSPS
|
mg/kg (pounds per million pounds) of tungsten metal produced |
| Lead |
.00 |
.000 |
| Zinc |
.000 |
.000 |
| Ammonia (as N) |
.000 |
.000 |
| Total suspended solids |
.000 |
.000 |
| pH |
(1) |
(1) |
|
1Within the range of 7.0 to 10.0 at all times. |
[49 FR 8812, Mar. 8, 1984, as amended at 53 FR 1709, Jan. 21, 1988]