Estimation of daily intake of potentially toxic elements from urban street dust and the role of oral bioaccessibility testing.


The pseudo-total and oral bioaccessible concentration of six potentially toxic elements (PTEs) in urban street dust was investigated. Typical pseudo-total concentrations across the sampling sites ranged from 4.4 to 8.6 mg kg(-1) for As, 0.2-3.6 mg kg(-1) for Cd, 25-217 mg kg(-1) for Cu, 14-46 mg kg(-1) for Ni, 70-4261 mg kg(-1) for Pb, and, 111-652 mg kg(-1… (More)
DOI: 10.1016/j.chemosphere.2011.09.047


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