Mass concentration and health risk assessment of heavy metals in size-segregated airborne particulate matter in Changsha

The Science of the Total Environment
Xiaoting LiuGuangming Zeng

Abstract

This study was performed to investigate the concentration and the health risk of heavy metals (HMs: Zn, Pb, Cd, Ni, Fe, Mn, Cr and Cu) in size-segregated airborne particulate matter (APM). APM samples were collected into 9 size fractions (>9.0 μm, 5.8-9.0 μm, 4.7-5.8 μm, 3.3-4.7 μm, 2.1-3.3 μm, 1.1-2.1 μm, 0.7-1.1 μm, 0.4-0.7 μm, <0.4 μm) by an 8 Stage Non-Viable Cascade Impactor in the campus of Hunan University in Changsha. And then 9 fractions of APM were analyzed for HMs by ICP-OES. The total size-segregated APM concentration in the campus of Hunan University ranged from 120.24 to 271.15 μg/m(3), and the concentration of HMs in APM was in the range of 38.08-13955.14 ng/m(3). The health risk of HMs in APM was evaluated by hazard quotient (HQ) and hazard index (HI) and the results showed that dermal contact and ingestion of APM were the major exposure pathways to human health. The HI values of Cd, Mn, Pb and Cr for children and Cd, Mn and Pb for adults exhibited to be higher than 1 indicating that a non-carcinogenic health effect existed in the APM of the campus of Hunan University. The carcinogenic risks of Cd, Ni and Cr were all bellow the safe value.

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Citations

Jul 4, 2016·Environmental Geochemistry and Health·Guor-Cheng FangKai-Hsiang Tsai
Jun 9, 2016·International Journal of Environmental Research and Public Health·Hao ChenYuyu Chang
Dec 18, 2016·The Science of the Total Environment·Rui LiAbdel Wahid Mellouki
Mar 18, 2017·Environmental Geochemistry and Health·Guor-Cheng FangYou-Fu Xiao
Jan 11, 2019·International Journal of Environmental Research and Public Health·Lili DuXiaoling Nie
Jan 14, 2017·Environmental Science and Pollution Research International·Bao Qing WangZi Hui Ren
May 31, 2018·Environmental Science and Pollution Research International·Qingyu GuanZeyu Liu
Jul 16, 2015·Environmental Geochemistry and Health·A BrownS Potgieter-Vermaak
Nov 12, 2020·Environmental Science and Pollution Research International·Guangzhi WangZhe Li
Nov 18, 2020·Environmental Management·Yi-Shin WangFi-John Chang
Mar 8, 2021·Environmental Science and Pollution Research International·Tiantian WuZhenxing Shen
Mar 16, 2021·Environmental Research·Dong-Wook LeeEunhee Ha
Nov 20, 2020·Environmental Science & Technology·Jennifer L L MorganJingkun Jiang
Sep 2, 2021·Environmental Science and Pollution Research International·Jingyun WangXiangwei Zhao

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