Journal
JOURNAL OF ENVIRONMENTAL MONITORING
Volume 5, Issue 2, Pages 210-215Publisher
ROYAL SOC CHEMISTRY
DOI: 10.1039/b301144p
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Research on the influence of the activities of Pechenganickel Mining and Metallurgical Company oil sediment hem-metal geochemistry of the subarctic Lake Kuetsjarvi (north-western Russia) are described. It is estimated that during 60 years of minima/refining activity. 310 t of Ni, 120 t of Cu, 14 t of Co, 19 t of Zn, 0.087 t of Cd. 0.78 t of Pb and 0.053 t of Hg hake accumulated in the lake sediments. The latter can be a Source of secondary pollution, and represent a danger for the lake ecosystem. The sedimentation rate in the take is estimated to be within the range of 1.5-3 mm year(-1). The average concentrations of Ni, Cu, Hg and Co in superficial sediments ha c increased 2, 14, 11 and times, respectively in the last century.
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