U.S. Code of Federal Regulations
Regulations most recently checked for updates: Aug 27, 2025
(a) Electric arc furnace steelmaking—semi-wet. No discharge of process wastewater pollutants to navigable waters.
(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. (1) No discharge of process wastewater pollutants to navigable waters.
(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.