Submerged arc furnace
Submerged arc furnace means any furnace wherein electrical energy is converted to heat energy by transmission of current between electrodes partially submerged in the furnace charge. The furnace may be of an open, semi-sealed, or sealed design.
40 CFR § 63.1651
Terms in this subpart are defined in the Clean Air Act (Act), in subpart A of this part, or in this section as follows: