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]