Polychlorinated dibenzo-p-dioxins (PCDDs), polychlorinated dibenzofurans (PCDFs), and polychlorinated biphenyls (PCBs) are classes of structurally similar halogenated aromatic hydrocarbons. There are ...

Abstract: There are currently about four million pole transformers that were used for electric power supply throughout Japan that contain trace amounts (50mg-PCB/kg-insulation oil or less) of PCBs.

The level of polychlorinated biphenyl contamination in the samples of taro and yams tested from Tanapag village is at least 10 times lower than the level considered as toxic by guidelines set by the ...