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Загрязнения окружающей среды стойкими токсичными веществами и профилактика их вредного воздействия на здоровье коренного населения Арктической зоны Российской Федерации
The article represents the results of epidemiological study during the period from 2001 to 2010 among indigenous population of 5 settlements of Chukci and Nenetz autonomous disticts. The aim of the study was identification of changes in concentrations of hazardous substances related to persistent pollutants (polychlorinated byphenils) in blood after realization in 2003-2004 of a complex of measures on detoxification of local sources of pollution and reduction of risks of their negative impact on humans, recommended by the International expert group of Arctic monitoring and assessment (AMAP) . It was identified that significant reduction of average concentrations of pollutants in blood by 2010 was observed only for men of Nenetz autonomus district for DDT and 4,4 DDE, as well as for lead. Changes in concentrations of the majority of other persistent toxic substances, though observed, did not reach the level of statistical importance.