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) Basic oxygen furnace steelmaking—semi-wet; and electric arc furnace steelmaking—semi-wet. No discharge of process wastewater pollutants to navigable waters. (b) Basic oxygen furnace steelmaking—wet-suppressed combustion. Subpart D 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 product TSS 0.0146 0.00522 Lead 0.000188 0.0000626 Zinc 0.000282 0.0000939 pH ( 1 ) ( 1 ) 1 Within the range of 6.0 to 9.0. (c) Basic oxygen furnace steelmaking—wet open combustion; and electric arc furnace steelmaking—wet. Subpart D 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 product TSS 0.0321 0.0115 Lead 0.000413 0.000138 Zinc 0.000620 0.000207 pH ( 1 ) ( 1 ) 1 Within the range of 6.0 to 9.0. [47 FR 23284, May 27, 1982, as amended at 67 FR 64267, Oct. 17, 2002]