“Fly ash” means the ash residue from the combustion of solid waste, fossil fuel, wood, sludge, or other material that is entrained in the gas stream of the incinerator and removed by the air pollution control equipment.

Source. (See Revision Note at chapter heading for Env-Sw 100) #8460-B, eff 10-28-05; ss by #14103, effective 10-23-24 (formerly Env-Sw 103.04) (see Revision Note #2 at chapter heading for Env-Sw 100)