Air curtain incinerator
Air curtain incinerator means an incinerator that operates by forcefully projecting a curtain of air across an open chamber or pit in which combustion occurs. Incinerators of that type can be constructed above or below ground and with or without refractory walls and floor.
40 CFR § 60.1940
Terms used but not defined in this section are defined in the CAA and in subparts A and B of this part.