Ash produced by solid waste incinerators typically contains a higher concentration of toxic material than unburned garbage.

Question

Quizplus · Accepted Answer

During the incineration process, the volume of solid waste is reduced, but the concentration of toxic materials, such as heavy metals and dioxins, can increase in the remaining ash. This is because these materials do not combust easily and become concentrated in the ash residue.

Ash Produced by Solid Waste Incinerators Typically Contains a Higher