Hexachlorobenzene (HCB)

Pentachlorobenzene

Polychlorinated Biphenyls (PCB)

Polychlorinated naphthalenes (PCNs)

Polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/PCDF) and dioxin-like polychlorinated biphenyl (dl-PCBs)