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Contamination assessment and health risk of heavy metals in dust from Changqing industrial park of Baoji, NW China
Wang, LJ (Wang, Lijun)[ 1 ]; Lu, XW (Lu, Xinwei)[ 2,1 ]; Ren, CH (Ren, Chunhui)[ 1 ]; Li, XX (Li, Xiaoxue)[ 1 ]; Chen, CC (Chen, Cancan)[ 1 ]
2014-03-15
Source PublicationENVIRONMENTAL EARTH SCIENCES
Volume71Issue:5Pages:2095-2104
Subtype期刊论文
Abstract

The contents of Co, Cr, Cu, Mn, Ni, Pb and Zn in the dust samples collected from Changqing industrial park of Baoji city, NW China, were measured by XRF, while As and Hg in the dust samples were analyzed by AFS. Geo-accumulation index (I (geo)), pollution index (PI) and integrated pollution index (IPI) were calculated to evaluate the heavy metal contamination level of dust. The health risk due to exposure to heavy metals in dust was analyzed by the Health Risk Assessment Model of US EPA. The results show that the arithmetic means of As, Co, Cr, Cu, Hg, Mn, Ni, Pb and Zn are 23.3, 16.4, 1591.8, 178.2, 0.243, 346.5, 40.2, 1,586.2 and 1,918.8 mg kg(-1), respectively, which are higher than the background values of Shaanxi soil, especially for Cr, Cu, Hg, Pb, and Zn. The mean values of I (geo) reveal the order of Pb > Zn > Cr > Hg > Cu > As > Co > Ni > Mn. The high I (geo) of Cr, Cu, Hg, Pb and Zn in dust indicates that there is considerable pollution from Cr, Cu, Hg, Pb and Zn, while the low I (geo) of As, Co, Mn and Ni presents no pollution in dust. The assessment results of PI support the results of I (geo), and IPI indicates heavy metals in dust polluted seriously. The health risk assessment shows that ingestion of dust particles is the route for exposure to heavy metals from dust, followed by dermal adsorption. Exposure to As, Cr and Pb from dust may pose a potential health threat to children and adults. The risk of cancer from As, Co, Cr and Ni due to dust exposure is low.

KeywordHeavy Metal Pollution Assessment Health Risk Dust Baoji
DOI10.1007/s12665-013-2613-7
Indexed BySCI ; EI
Language英语
Citation statistics
Document Type期刊论文
Identifierhttp://ir.ieecas.cn/handle/361006/9801
Collection生态环境研究室
Corresponding AuthorLu, XW (Lu, Xinwei)[ 2,1 ]
Affiliation1.School of Tourism and Environment, Shaanxi NormalUniversity, Xi’an 710062, People’s Republic of China;
2.Institute of Earth Environment, Chinese Academy of Sciences,Xi’an 710075, People’s Republic of China
Recommended Citation
GB/T 7714
Wang, LJ ,Lu, XW ,Ren, CH ,et al. Contamination assessment and health risk of heavy metals in dust from Changqing industrial park of Baoji, NW China[J]. ENVIRONMENTAL EARTH SCIENCES,2014,71(5):2095-2104.
APA Wang, LJ ,Lu, XW ,Ren, CH ,Li, XX ,&Chen, CC .(2014).Contamination assessment and health risk of heavy metals in dust from Changqing industrial park of Baoji, NW China.ENVIRONMENTAL EARTH SCIENCES,71(5),2095-2104.
MLA Wang, LJ ,et al."Contamination assessment and health risk of heavy metals in dust from Changqing industrial park of Baoji, NW China".ENVIRONMENTAL EARTH SCIENCES 71.5(2014):2095-2104.
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