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  • Title: Polybrominated methoxy diphenyl ethers (MeO-PBDEs) in fish and guillemot of Baltic, Atlantic and Arctic environments.
    Author: Sinkkonen S, Rantalainen AL, Paasivirta J, Lahtiperä M.
    Journal: Chemosphere; 2004 Aug; 56(8):767-75. PubMed ID: 15251291.
    Abstract:
    Arctic cod liver samples from Vestertana Fjord at the Arctic coast of Norway, salmon and guillemot samples from the Baltic Sea and the Atlantic Ocean, and salmon and lamprey larva samples from Kymijoki River in southern Finland were analysed for the occurrence of tri-, tetra- and pentabromomethoxy diphenyl ethers and their concentration levels were estimated. These compounds have previously been identified by other research groups in salmon, seal and dolphin samples. The aim of this study was to find out a possible temporal trend in the concentrations of these compounds in the cod liver samples from years 1987-1998 and to investigate the possible spatial differences in the concentrations in biota samples from the Baltic Sea, Atlantic Ocean, Arctic Sea and contaminated freshwater river. Two most abundant methoxy-tetrabromo diphenyl ether congeners occurred in the same statistically significant ratio in 14 sea biota samples. Levels in lamprey larvae were below detection limit. The origin of these methoxylated bromodiphenyl ethers in biota samples remained unknown. They may be metabolites of polybrominated diphenyl ethers used as flame retardants or compounds of natural origin.
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