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1 2006

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Studies on concentration of some heavy metals and strontium 90Sr and cesium 137Cs isotopes in bottom sediments of selected lakes of Łęczyńsko-Włodawskie Pojezierze

Solecki J., Reszka M., Chibowski S.

Nukleonika

2006

Vol. 51,suppl.2

33-37

Research on concentration of radionuclides and heavy metals in bottom sediments of three different lakes is presented. The lakes were located in the vicinity of the National Park in the Lublin (Poland) region. Bottom sediments were collected from various depths. In all studied sediment, sample concentration of 90Sr and 137Cs isotopes ranged from 2.07 11.76 to 5.67 67.7 Bq/kg, respectively. The amount of radioactive 137Cs increased with depth of the lake. The same dependence for 90Sr was not observed. The level of radioactivity originated from natural isotopes was much lower in bottom sediments than that measured in related soils. Most of radioactivity in bottom sediments comes from anthropogenic isotopes.