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Variations in the heavy metal accumulations within the surface soils from the Chitgar industrial area of Tehran

Author(s): M.R.G. Sayyed | M.H. Sayadi

Journal: Proceedings of the International Academy of Ecology and Environmental Sciences
ISSN 2220-8860

Volume: 1;
Issue: 1;
Start page: 36;
Date: 2011;
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Keywords: soil pollution | heavy metal enrichment | temporal variation

As a result of anthropogenic activities in different parts of the world, the soils are seen to be contaminated by heavy metals. In view of this the influence of an industrial environment on the accumulation of heavy metals in the surface soils of the Chitgar Industrial Area Tehran has been investigated. The total 70 top soils samples (0-15cm) were collected for a period between May 2007 and May 2008 and the heavy metal contents were analyzed by Atomic Absorption Spectrophotometer. The studies with Enrichment Factor indicate that Pb has been enriched to quite great extent while the Normalized Scatter Coefficient values indicate faster enrichment of Cd. While Pb shows accumulation in the past, the Cd accumulation has been quite high during the study period.
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