40 CFR § 420.34 - New source performance standards (NSPS).
§ 420.34 New source performance standards (NSPS).
The discharge of wastewater pollutants from any new source subject to this subpart shall not exceed the standards set forth below.
(a) Iron blast furnace.
Subpart C
Pollutant or pollutant property | New source performance standards | |
---|---|---|
Maximum for any 1 day | Average of daily values for 30 consecutive days | |
Kg/kkg (pounds per 1,000 lb) of products | ||
TSS | 0.0117 | 0.00438 |
O&G | 0.00292 | |
Ammonia-N | 0.00876 | 0.00292 |
Cyanide | 0.000584 | 0.000292 |
Phenols (4AAP) | 0.0000584 | 0.0000292 |
TRC 1 | 0.000146 | |
Lead | 0.000263 | 0.0000876 |
Zinc | 0.000394 | 0.000131 |
pH | ( 2) | ( 2) |
1 The standards for TRC shall be applicable only when chlorination of ironmaking wastewaters is practiced.
2 Within the range of 6.0 to 9.0.
(b) [Reserved]
[47 FR 23284, May 27, 1982; 47 FR 41739, Sept. 22, 1982, as amended at 49 FR 21030, May 17, 1984; 67 FR 64266, Oct. 17, 2002]