CHARAKTERYSTYKA GEOCHEMICZNA OSADÓW ZBIORNIKA ZADĘBIE W SKIERNIEWICACH

Izabela Bojakowska, Przemysław Dobek, Jarosław Kucharzyk

Abstract


GEOCHEMICAL CHARACTERISTICS OF SEDIMENTS OF RESERVOIR ZADĘBIE IN SKIERNIEWICE

Abstract. In the samples of sediment accumulated in the reservoir Zadębie and ground from the its bottom the contents of the As, Ba, Cr, Cd, Co, Cu, Hg, Mo, Ni, Sn, Sr, V, Zn and Ca, Fe, Mg, Mn, S, P, and TOC were determined. The content of mineral oil, 17 PAHs compounds, 7 PCB congeners and 20 organochlorine pesticides were determined as well. Sediment accumulated in the reservoir is characterized by very low contents of trace elements similar to the geochemical background values . Slightly increased content of Ba, Zn, Cu, Cr, Pb and Hg were observed in the northern part of the basin. There was a significant increase in the content of mineral oils and PAHs in sediments accumulated compared to their content in the bedding layer. Among the analyzed organochlorine compounds were detected only isomer of α-HCH and p,p′-DDT and its metabolites.


Keywords


pestycydy chloroorganiczne, oleje mineralne, metale ciężkie, WWA, PCB, zbiornik Zadębie.

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