Cold top electric furnace
Cold top electric furnace means an all-electric glass-melting furnace that operates with a temperature of 120 C (250 F) or less as measured at a location 46 to 61 centimeters (18 to 24 inches) above the molten glass surface.
Source
40 CFR § 63.1381
Scoping language
Terms used in this subpart are defined in the Clean Air Act, in 63.2, or in this section as follows: