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Polybrominated Biphenyls - Environmental Health Criteria 152
(1994)
The term polybrominated biphenyls or polybromobiphenyls (PBBs) refers to a group of halogenated hydrocarbons, formed by substituting hydrogen by bromine in biphenyl. PBBs are not known to occur as natural products. They ...
Polychlorinated Biphenyls and Terphenyls (Second Edition) - Environmental Health Criteria 140
(1993)
Polychlorinated biphenyls (PCBs) were discovered before the turn of the century and their usefulness for industry, because of their physical properties, was recognized early. The PCBs have been used commercially, since ...