Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best available technology 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 Pollutant or pollutant property Maximum for any 1 day Maximum for monthly average mg/kg (pounds per/million pounds) of 100 pct sulfuric acid capacity Arsenic 3.550 1.584 Cadmium 0.511 0.204 Copper 3.269 1.558 Lead 0.715 0.332 Zinc 2.605 1.073 Fluoride 1 89.390 50.820 Molybdenum 1 [Reserved] [Reserved]. 1 For Molybdenum acid plants only. [50 FR 38343, Sept. 20, 1985, as amended at 55 FR 31697, Aug. 3, 1990]