economically achievable.
Except as provided in 40 CFR 125.30 through 125.32, any existing point source subject to this subpart shall achieve the following effluent limitations representing the degree of effluent reduction attainable by the application of the best available technology economically achievable:
Subpart I--Metallurgical Acid Plant--BAT Effluent Limitations------------------------------------------------------------------------
Maximum for
Pollutant or pollutant property Maximum for monthly
any 1 day average------------------------------------------------------------------------
mg/kg (pounds per/
million pounds) of 100
pct sulfuric acid
capacity
--------------Arsenic....................................... 3.550 1.584Cadmium....................................... 0.511 0.204Copper........................................ 3.269 1.558Lead.......................................... 0.715 0.332Zinc.......................................... 2.605 1.073Fluoride \1\.................................. 89.390 50.820Molybdenum \1\................................ [Reserved] [Reserved].------------------------------------------------------------------------\1\ For Molybdenum acid plants only. [50 FR 38343, Sept. 20, 1985, as amended at 55 FR 31697, Aug. 3, 1990]