Pretreatment standards for existing sources (PSES).

Except as provided in 40 CFR 403.7 and 403.13, any existing source subject to this subpart which introduces pollutants into a publicly owned treatment works must comply with 40 CFR part 403 and achieve the following pretreatment standards for existing sources. (a) Iron blast furnace. Subpart C Pollutant or pollutant property Pretreatment standards for existing sources Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of products Ammonia-N 1 0.00876 0.00292 Cyanide 0.00175 0.000876 Phenols (4AAP) 0.0000584 0.0000292 Lead 0.000263 0.0000876 Zinc 0.000394 0.000131 1 The pretreatment standards for ammonia are not applicable to sources that discharge to a POTW with nitrification capability (defined at 420.02(s)). (b) [Reserved] (c) Existing indirect dischargers. Subpart C Pollutant or pollutant property Pretreatment standards for existing sources Maximum for any 1 day Average of daily values for 30 consecutive days Kg/kkg (pounds per 1,000 lb) of product Ammonia-N 0.0350 0.0175 Cyanide 0.00175 0.000876 Phenols (4AAP) 0.000175 0.0000584 Lead 0.000263 0.0000876 Zinc 0.000394 0.000131 [47 FR 23284, May 27, 1982, as amended at 49 FR 21030, May 17, 1984; 67 FR 64266, Oct. 17, 2002]