Abstract
The concentrations of persistent organic pollutants in the blubber of Baikal seal were determined. The data obtained over the period from 1997 to 2017 are considered. The revealed changes in the concentrations of PCBs and DDT and its metabolites demonstrate the complexity of the redistribution processes of these compounds. The total concentration of POPs in Baikal seal blubber has not diminished over the past 20 years (1997–2017) and is close to the levels in 1993 and 1981.
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