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Detecting air-water and surface-deep water gradients of PCBs using polyethylene passive samplers


, : Detecting air-water and surface-deep water gradients of PCBs using polyethylene passive samplers. Environmental Science & Technology 42(19): 7248-7253

Polyethylene passive samplers (PEs) were deployed in a vertical array (bottom water, surface water, near-surface air) to study the cycling of active polychlorinated biphenyls (PCBs) between reservoirs in an urban estuary (Narragansett Bay, RI), from May to November 2006. Performance reference compounds were used to account for nonequilibrium of PCBs in PEs. Activity gradients were established from direct comparisons of temperature, salt, and nonequilibrium corrected PE concentrations.

US$19.90

PMID: 18939554

DOI: 10.1021/es800518g


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