e707e16b___U_S__Department_of_Energy_p2__Contaminants_within_the_Group
[Group Name] PCBs PCBs are found in liquid and solid waste feeds to the TSCA Incinerator. Although the incinerator must destroy more than 99.9999% of the PCBs in these feeds, trace amounts might pass through the incinerator untreated. PCBs are not combustion by-products. [Contaminants within the Group] 
209 individual chemicals, known as PCB congeners, that share a common chemical structure
ATSDR-PHA-HC-TSCA Incinerator, U.S. Department of Energy-p2