Characterization and risk assessment of heavy metals in road dust from a developing city with good air quality and from Shanghai, China

Environmental Science and Pollution Research International
Xiaojia ChenJinping Cheng

Abstract

To investigate the differences in characteristics of heavy metals associated with different levels of ambient air quality, we collected road dust samples from Beihai (BH) and Shanghai (SH). The mean concentrations of Ni, Cr, Zn, and Cu in BH samples were one to four times the background concentrations in soil, whereas the concentrations of Cd, Cr, Mn, Zn, Cu, and Pb in SH were one to three times the background concentrations. The geo-accumulation index (Igeo) indicated widespread moderate contamination by Zn and high contamination near industrial areas by Ni and Cr in BH, whereas in SH was partly moderately contaminated by Pb, Cu, and Zn. The potential ecological risk index ([Formula: see text]) indicated the low risk posed by all metals in both BH and SH. However, special attention should be given to the maximal [Formula: see text] values, such as considerable risk for Hg ([Formula: see text] = 148.7) and high risk for Ni (254.1) in BH, respectively. According to the health risk assessment results, there were no non-carcinogenic or carcinogenic risks (CR) posed by heavy metals in road dust collected from BH and SH. Non-carcinogenic risks due to Cr for children in both BH (0.36) and SH (0.24) were relatively high compared to ot...Continue Reading

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Citations

Nov 2, 2019·Environmental Science and Pollution Research International·Wojciech ZgłobickiSebastian Skupiński
Apr 25, 2020·Environmental Science and Pollution Research International·Ashkan Jahandari
Jun 13, 2020·The Science of the Total Environment·Célia A AlvesFulvio Amato
Sep 3, 2021·Chemosphere·Francesco GuarinoAngela Cicatelli

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