Abstract
The distribution of polychlorinated biphenyls (PCB) and organochlorine pesticides, e.g. the isomers of hexachlorocyclohexane (HCH), hexachlorobenzene (HCB), p,p’-dichiorodiphenyitrichloroethane (DDT) and its primary metabolites DDE and DDD was investigated in surface sediments (0–2 cm) and sediment cores (0–45 cm) from the western Baltic Sea and the coastal waters of Mecklenburg-Vorpommern. Sediment sampling was carried out in the Belt Sea, the Arkona Basin, the Pomeranian Bight and in almost all Bodden and Haff areas of Mecklenburg-Vorpommern in autumn 1993 and 1994. The highest concentrations of PCB and DDT compounds, measured in the innercoastal waters, reached 214 ng g-1 dry weight (d. w.). The values of HCH isomers ranged between 0.01 and 2.9 ng g-1 d.w., the highest levels being those of Β-HCH.
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