Abstract
The flux of chlorinated synthetic organic chemicals to the open ocean is important both to organic geochemistry and for environmental health. We have studied over a 2-yr period the deposition of polychlorinated biphenyls (PCBs), chlordanes and dieldrin by means of a sediment trap in the Sargasso Sea. We now report that the fluxes of these materials to the deep North Atlantic Ocean were 1.6 µg m−2 yr−1, 0.02 µg m−2 yr−1 and 0.04 µg m−2 yr−1, respectively between 1978 and 1980.
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