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------------------------------------------------------------------------
Pretreatment standards for
existing sources
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Kg/kkg (pounds per 1,000
lb) of products
---------------Ammonia-N \1\............................... 0.00876 0.00292Cyanide..................................... 0.00175 0.000876Phenols (4AAP).............................. 0.0000584 0.0000292Lead........................................ 0.000263 0.0000876Zinc........................................ 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------------------------------------------------------------------------
Pretreatment standards for
existing sources
---------------------------
Average of
Pollutant or pollutant property daily values
Maximum for for 30
any 1 day consecutive
days------------------------------------------------------------------------
Kg/kkg (pounds per 1,000
lb) of product
---------------Ammonia-N................................... 0.0350 0.0175Cyanide..................................... 0.00175 0.000876Phenols (4AAP).............................. 0.000175 0.0000584Lead........................................ 0.000263 0.0000876Zinc........................................ 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]