40 CFR 420.47 - Effluent limitations guidelines representing the degree of effluent reduction attainable by the application of the best conventional pollutant control technology (BCT).
(b)Basic oxygen furnace steelmaking - wet-suppressed combustion. [Reserved]
(c)Basic oxygen furnace steelmaking - wet - open combustion; electric arc furnace steelmaking - wet. [Reserved]
(d)Basic oxygen furnace steelmaking - semi-wet.
(2) If the permittee demonstrates to the satisfaction of the permitting authority that safety considerations prevent attainment of these limitations, the permitting authority may establish alternative limitations on a best professional judgment basis.