Bioavailability and health risk of some potentially toxic elements (Cd, Cu, Pb and Zn) in street dust of Asansol, India
文摘
Speciation and bio-availability of Cd, Cu, Pb and Zn was evaluated in street dust. Zn and Pb had higher amount in bio-available fraction. Pollution load index showed that all sites in Asansol were highly deteriorated. Bio-available content of Cd, Cu, Pb and Zn is within the exposure risk limit.