Heavy metals in soils of several districts of Tyumen

About the author:

Gulnara N. Shigabayeva, Cand. Sci. (Chem.), Associate Professor, Department of Organic and Ecological Chemistry, Institute of Chemistry, Tyumen State University

Abstract:

We estimated gross contents of heavy metals: Рb, Ni, Zn, Cu, Mn, Cr, Co, Hg, taken in 10 samples of soil selected from various districts of Tyumen. The chosen sampling sites are areas within the city the most vulnerable to technogenic impacts. The main sources of increasing heavy metals content in the city soil are motor vehicles and emissions from industrial facilities. All samples of soil showed content of Pb, Ni, Zn, Co that exceeds maximum persmissible concentration. The soil from the area around the battery production plant exceeds maximum permissible concentration of Pb and Ni by 5 times, Co by 2,9 times. The soils from areas close to the streets with heavy traffic: Osipenko, Melnikayte, Barnaul also contain amounts of heavy metals several times above the limit. The gross content of heavy metals in all samples exceeds the Clark soil value according to A. P. Vinogradov.

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