Asian Journal of Microbiology, Biotechnology & Environmental Sciences Paper

Vol.13, Issue 1, 2011; Page No.(189-193)

CHEMICAL SPECIATION OF HEAVY METALS IN THE DUST SAMPLES COLLECTED FROM RESIDENTIAL AREA OF PENINSULAR MALAYSIA

C.K. YAP AND I. MUHAMMAD TAUFIK

Abstract

This study determined the concentrations of Cd, Cu, Pb, Ni, Fe and Zn in the four geochemical fractions on the dusts collected from 6 residential sites in Malaysia. The results indicated that a clear elevation of Ni and Cd concentration in which > 87% for Cd and > 96% for Ni were contributed by non-resistant fraction of the dusts, indicating high extractability and mobilization of these metals that could potentially cause toxicological risks to the inhabitants of the residential area.

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