Pollution and risk assessment of potentially toxic elements in soils from industrial and mining sites across China

被引:25
作者
Jiang, Yefeng [1 ,2 ]
Shi, Huading [3 ]
Yi, Lina [4 ]
Chen, Songchao [5 ]
Zhou, Yin [6 ]
Cheng, Jieliang [7 ]
Huang, Mingxiang [8 ]
Shi, Zhou [1 ]
机构
[1] Zhejiang Univ, Inst Agr Remote Sensing & Informat Technol Applica, Coll Environm & Resource Sci, Hangzhou 310058, Peoples R China
[2] Jiangxi Univ Finance & Econ, Sch Tourism & Urban Management, Dept Land Resource Management, Nanchang 330013, Peoples R China
[3] Minist Ecol & Environm, Tech Ctr Soil Agr & Rural Ecol & Environm, Beijing 100012, Peoples R China
[4] China Environm United Certificat Ctr Co Ltd, Beijing 100029, Peoples R China
[5] ZJU Hangzhou Global Sci & Technol Innovat Ctr, Hangzhou 311200, Peoples R China
[6] Zhejiang Univ Finance & Econ, Inst Land & Urban Rural Dev, Hangzhou 310018, Peoples R China
[7] Zhejiang Cultivated Land Qual & Fertilizer Managem, Hangzhou 310009, Peoples R China
[8] Minist Ecol & Environm, Informat Ctr, Beijing 100029, Peoples R China
关键词
Industrial and mining sites; Health risk; Geo-accumulation; Nemerow integrated pollution index; Monte Carlo simulation; Potentially toxic elements; HEAVY-METAL POLLUTION; HEALTH-RISK; AGRICULTURAL SOIL; CONTAMINATION; ACCUMULATION; MERCURY; LEAD; GUIZHOU; MINE; AREA;
D O I
10.1016/j.jenvman.2023.117672
中图分类号
X [环境科学、安全科学];
学科分类号
08 ; 0830 ;
摘要
Potentially toxic elements in soils (SPTEs) from industrial and mining sites (IMSs) often cause public health issues. However, previous studies have either focused on SPTEs in agricultural or urban areas, or in a single or few IMSs. A systematic assessment of the pollution and risk levels of SPTEs from IMS at the national scale is lacking. Here, we obtained SPTE (As, Cd, Cr, Cu, Hg, Ni, Pb, and Zn) concentrations from IMSs across China based on 188 peer-reviewed articles published between 2004 and 2022 and quantified their pollution and risk levels using the pollution index and risk assessment model, respectively. The results indicated that the average concentrations of the eight SPTEs were 4.42-270.50 times the corresponding background values, and 19.58% of As, 14.39% of Zn, 12.79% of Pb, and 8.03% of Cd exceeded the corresponding soil risk screening values in these IMSs. In addition, 27.13% of the examined IMS had one or more SPTE pollution, mainly distributed in the southwest and south central China. On the examined IMSs, 81.91% had moderate or severe ecological risks, which were mainly caused by Cd, Hg, As, and Pb; 23.40% showed non-carcinogenic risk and 11.70% demonstrated carcinogenic risk. The primary exposure pathways of the former were ingestion and inhalation, while that for the latter was ingestion. A Monte Carlo simulation also confirmed the health risk assessment results. As, Cd, Hg, and Pb were identified as priority control SPTEs, and Hunan, Guangxi, Guangdong, Yunnan, and Guizhou were selected as the key control provinces. Our results provide valuable information for public health and soil environment management in China.
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页数:13
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