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§ 421.294 Standards of performance for new sources.
Any new source subject to this subpart shall achieve the following new source performance standards:
(a) Tin smelter SO2 scrubber.
NSPS for the Secondary Tin Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
---|---|---|
mg/kg (pounds per million pounds) of crude tapped tin produced | ||
Arsenic | 12.790 | 5.703 |
Lead | 2.575 | 1.196 |
Iron | 11.040 | 5.611 |
Tin | 3.495 | 2.024 |
Total suspended solids | 138.000 | 110.400 |
pH | ( 1) | ( 1) |
1 Within the range of 7.5 to 10.0 at all times.
(b) Dealuminizing rinse.
NSPS for the Secondary Tin Subcategory
Pollutant or pollutant property | Maximum for any 1 day | Maximum for monthly average |
---|---|---|
mg/kg (pounds per million pounds) of dealuminized scrap produced | ||
Lead | 0.010 | 0.005 |
Cyanide (total) | 0.007 | 0.003 |
Fluoride | 1.225 | 0.697 |
Tin | 0.013 | 0.008 |
Total suspended solids | 0.525 | 0.420 |
pH | ( 1) | ( 1) |