Title 40
SECTION 421.94
421.94 Standards of performance for new sources.
§ 421.94 Standards of performance for new sources.Any new source subject to this subpart shall achieve the following new source performance standards:
Subpart I - Metallurgical Acid Plant - NSPS
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
---|---|---|
mg/kg (pounds per/million pounds) of 100 pct sulfuric acid capacity | ||
Arsenic | 3.550 | 1.584 |
Cadmium | 0.511 | 0.204 |
Copper | 3.269 | 1.558 |
Lead | 0.715 | 0.332 |
Zinc | 2.605 | 1.073 |
Fluoride 1 | 89.390 | 50.820 |
Molybdenum 1 | [Reserved] | [Reserved]. |
Total suspended solids | 38.310 | 30.650 |
pH | ( 2) | ( 2) |
1 For Molybdenum acid plants only.
2 Within the range of 7.5 to 10.0 at all times.