“Bottom ash” means the ash residue remaining after combustion of solid waste, fossil fuel, wood, sludge, or other materials in an incinerator that is discharged through and from the grates, combustor, or stoker.

Source. (See Revision Note #1 at chapter heading for Env-Sw 100) #8460-B, eff 10-28-05; ss by #14103, effective 10-23-24 (formerly Env-Sw 102.22) (see Revision Note #2 at chapter heading for Env-Sw 100)