Context

Context of Polychlorinated biphenyls, PCB : hearings before the Subcommittee on Fisheries and Wildlife Conservation and the Environment of the Committee on Merchant Marine and Fisheries, House of Representatives, Ninety-fourth Congress, second session on oversight to examine the impact of polychlorinated biphenyls and similar toxic substances on fisheries and wildlife resources, January 28, 29, 30, 1976
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