Content of Heavy Metal in the Dust of Leisure Squares and Its Health Risk Assessment-A Case Study of Yanta District in Xi'an

International Journal of Environmental Research and Public Health
Tianjie ShaoYuran He

Abstract

Taking Yanta District in Xi'an as the research object, the present study measures the contents of Cadmium (Cd), Lead (Pb), Copper (Cu), Nickel (Ni), and Chromium (Cr) in dust samples and further assesses the health risk of heavy metals intake through dust based on the assessment method of human exposure risk proposed by U.S. EPA, with an aim to investigate the content of heavy metal in the dust of leisure squares and its exposure risk. As the results indicate, the average contents of five heavy metals are obviously higher than the soil background value in Shaanxi Province. Therefore, Cd, Ni, Cu, Pb, and Cr are obviously enriched in urban surface dust in Shaanxi Province, due to the influence of human activities. In addition, it can also be found that the non-carcinogen exposure risk in children is significantly higher than that in adults with the risk values of these five heavy metals all one order of magnitude higher than those of adults. Irrespective of whether addressing the results for children or adults, the non-carcinogen exposure doses of five heavy metals are sorted as Cr > Pb > Cu > Ni > Cd. According to the present situation, for a child, the total non-carcinogenic risk values of five heavy metals have exceeded the sa...Continue Reading

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Citations

Nov 6, 2018·International Journal of Environmental Research and Public Health·Guijie TongDaohao Yan
Jul 25, 2019·International Journal of Environmental Research and Public Health·Yujie PanChangsheng Huang
Apr 2, 2020·Archives of Environmental & Occupational Health·Nai YangXiaoya Ma
Aug 8, 2021·International Journal of Environmental Research and Public Health·Xiaowei XuXiaoxi Chen

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