achievable (BAT).
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart must achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable.
(a) Iron blast furnace.
Subpart C------------------------------------------------------------------------
BAT effluent limitations
---------------------------
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................................... 0.00876 0.00292Cyanide..................................... 0.00175 0.000876Phenols (4AAP).............................. 0.0000584 0.0000292TRC \1\..................................... 0.000146 ............Lead........................................ 0.000263 0.0000876Zinc........................................ 0.000394 0.000131------------------------------------------------------------------------\1\ The limitation for TRC shall be applicable only when chlorination of
ironmaking wastewaters is practiced.
(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]