| http://www.w3.org/ns/prov#value | - Tests commissioned by Gowan and the NFU between 1968 and 1974 revealed these wastes to include at least 12 types of PCBs, marketed as Aroclor: tetrachlorophenol; pentachlorophenol; naphthalene; benzene; dioxin; dibenzofurans; and other carcinogens.
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