Melt furnace
Melt furnace means a furnace (typically a crucible furnace) that is used for smelting the gold-bearing material recovered from mercury retorting, or the gold-bearing material from electrowinning, the Merrill-Crowe process, or other processes for facilities without mercury retorts.
Source
40 CFR § 63.11651
Scoping language
Terms used in this subpart are defined in the Clean Air Act, in 63.2, and in this section as follows: