Concentrations and profiles of hexachlorocyclohexanes (HCHs), pentachlorobenzene (PCBz), hexachlorobenzene (HCBz), DDT and its metabolites (DDTs), tris(4-chlorophnyl)methane (TCPM-H), tris(4-chlorophnyl)methanol (TCPM-H), chlordane (CHLs), aldrin, dieldrin, isodrin, endrin, endosulfan 1, endosulfan 2, mirex, PCBs and PCNs were determined using isotopically labelled internal standards and HRGC/LRMS in sludge samples collected in 1999 from the sewage treatment plant in Dębogórze (city of Gdynia) and sediment samples taken in 1992 from the Vistula River and Gdańsk Depth in the Baltic Sea. DDT and its metabolites, PCBs, HCBz, dieldrin, CHLs and PCNs were quantified in one to all four samples examined, while PCBz, TCPM-H/OH, aldrin, isodrin, endrin, endosulfan 1 and 2, and mirex were not detected above the detection limit of the method. PCBs dominated among organochlorine compounds quantified in sludge samples while DDTs dominated in the sediment.
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