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Polychlorinated dibenzo-p-doxin and dibenzofuran residues in estuarine and coastal North Sea sediments: sources and distribution
Evers, E.H.G.; Klamer, H.J.C.; Laane, R.W.P.M.; Govers, H.A.J. (1993). Polychlorinated dibenzo-p-doxin and dibenzofuran residues in estuarine and coastal North Sea sediments: sources and distribution. Environ. Toxicol. Chem. 12: 1583-1598
Peer reviewed article  

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Keywords
    Marine; Brackish water

Authors  Top 
  • Evers, E.H.G., more
  • Klamer, H.J.C., more
  • Laane, R.W.P.M., more
  • Govers, H.A.J.

Abstract
    Sediments from two depositional zones of the North Sea (the Wadden Sea and Oyster Grounds) and from the estuaries of the rivers Rhine, Meuse, Scheldt, Ems, and Humber were analyzed for polychlorinated dibenzofurans and dibenzo-p-dioxins using a congener-specific procedure. A simple grain-size correction procedure was utilized for the comparison of PCDF and PCDD concentrations in sediments. This procedure was found to be appropriate for comparing levels of PCDFs and PCDDs. PCDFs were more widely encountered than PCDDs in all sediments, except for the Ems-Dollard and the Humber estuary. The highest concentrations were found in the outflow sediments of the rivers Rhine and Humber.

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