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§ 421.24 Standards of performance for new sources.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Subpart B—Anode and Cathode Paste Plant Wet Air.
Pollution Control—NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pound per million pounds) of paste produced | ||
| Benzo(a)pyrene | .000 | |
| Antimony | .000 | .000 |
| Nickel | .000 | .000 |
| Aluminum | .000 | .000 |
| Fluoride | .000 | .000 |
| Oil and grease | .000 | .000 |
| Total suspended solids | .000 | .000 |
| pH | ( 1) | ( 1) |
1 Within the range of 7.0 to 10.0 at all times.
(b) Subpart B—Anode Contact Cooling and Briquette Quenching.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pound per million pounds) of anodes cast | ||
| Benzo(a)pyrene | 0.007 | 0.003 |
| Antimony | .403 | .180 |
| Nickel | .115 | .077 |
| Aluminum | 1.277 | .566 |
| Fluoride | 12.440 | 5.518 |
| Oil and grease | 2.090 | 2.090 |
| Total suspended solids | 3.135 | 2.508 |
| pH | ( 1) | ( 1) |
1 Within the range of 7.0 to 10.0 at all times.
(c) Subpart B—Anode Bake Plant Wet Air Pollution Control.
NSPS
| Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
|---|---|---|
| mg/kg (pound per million pounds) of anodes baked | ||
| Benzo(a)pyrene | .000 | |
| Antimony | .000 | .000 |
| Nickel | .000 | .000 |
| Aluminum | .000 | .000 |
| Fluoride | .000 | .000 |
| Oil and grease | .000 | .000 |
| Total suspended solids | .000 | .000 |
| pH | ( 1) | ( 1) |