421.84—Standards of performance for new sources.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a)
Subpart H—Zinc Reduction Furnace Wet Air Pollution Control.
NSPS
|
mg/kg (pounds per million pounds) of zinc reduced |
| Cadmium |
.334 |
.134 |
| Copper |
2.135 |
1.018 |
| Lead |
.467 |
.217 |
| Zinc |
1.702 |
.701 |
| Total suspended solids |
25.020 |
20.020 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(b)
Subpart H—Preleach of Zinc Concentrates.
NSPS
|
mg/kg (pounds per million pounds) of concentrate leached |
| Cadmium |
.180 |
.072 |
| Copper |
1.153 |
.550 |
| Lead |
.252 |
.117 |
| Zinc |
.919 |
.378 |
| Total suspended solids |
13.520 |
10.810 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(c)
Subpart H—Leaching Wet Air Pollution Control.
NSPS
|
mg/kg (pounds per million pounds) of zinc processed through leaching |
| Cadmium |
.000 |
.000 |
| Copper |
.000 |
.000 |
| Lead |
.000 |
.000 |
| Zinc |
.000 |
.000 |
| Total suspended solids |
.000 |
.000 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(d)
Subpart H—Electrolyte Bleed Wastewater.
NSPS
|
mg/kg (pounds per million pounds) of cathode zinc produced |
| Cadmium |
.086 |
.035 |
| Copper |
.553 |
.264 |
| Lead |
.121 |
.056 |
| Zinc |
.441 |
.182 |
| Total suspended solids |
6.480 |
5.184 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(e)
Subpart H—Cathode and Anode Wash Wastewater.
NSPS
|
mg/kg (pounds per million pounds) of cathode zinc produced |
| Cadmium |
.150 |
.060 |
| Copper |
.961 |
.458 |
| Lead |
.210 |
.098 |
| Zinc |
.766 |
.315 |
| Total suspended solids |
11.270 |
9.012 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(f)
Subpart H—Casting Wet Air Pollution Control.
NSPS
|
mg/kg (pounds per million pounds) of zinc cast |
| Cadmium |
.051 |
.021 |
| Copper |
.329 |
.157 |
| Lead |
.072 |
.033 |
| Zinc |
.262 |
.108 |
| Total suspended solids |
3.855 |
3.084 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(g)
Subpart H—Casting Contact Cooling.
NSPS
|
mg/kg (pounds per million pounds) of zinc cast |
| Cadmium |
.036 |
.014 |
| Copper |
.232 |
.110 |
| Lead |
.051 |
.024 |
| Zinc |
.185 |
.076 |
| Total suspended solids |
2.715 |
2.172 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
(h)
Subpart H—Cadmium Plant Wastewater.
NSPS
|
mg/kg (pounds per million pounds) of cadmium produced |
| Cadmium |
1.234 |
.494 |
| Copper |
7.899 |
3.765 |
| Lead |
1.728 |
.802 |
| Zinc |
6.295 |
2.592 |
| Total suspended solids |
92.570 |
74.050 |
| pH |
(1) |
(1) |
|
1 Within the range of 7.5 to 10.0 at all times. |
[49 FR 8808, Mar. 8, 1984; 49 FR 26739, June 29, 1984, as amended at 49 FR 29795, July 24, 1984]