e707e16b___U_S__Department_of_Energy_p2__Contaminants_within_the_Group
[Group Name] Metals Metals pass through incineration processes untreated, either into the residuals (e.g., ash) or into the air emissions. Though air pollution controls at the TSCA Incinerator remove considerable amounts of metals from the air exhaust, some metals from the waste feed do pass into the air untreated. [Contaminants within the Group] 
Numerous elements which, when pure, conduct heat and electricity and are generally hard and strong
ATSDR-PHA-HC-TSCA Incinerator, U.S. Department of Energy-p2