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Rare earth elements in street dust and associated health risk in a municipal industrial base of central China
Guangyi Sun;  Zhonggen Li;  Ting Liu;  Ji Chen;  Tingting Wu;  Xinbin Feng
2017
Source PublicationEnvironmental Geochemistry and Health
Volume39Issue:6Pages:1469-1486
Abstract

The content levels, distribution characteristics, and health risks associated with 15 rare earth elements (REEs) in urban street dust from an industrial city, Zhuzhou, in central China were investigated. The total REE content (aREE) ranged from 66.1 to 237.4 mg kg(-1), with an average of 115.9 mg kg(-1), which is lower than that of Chinese background soil and Yangtze river sediment. Average content of the individual REE in street dust decreased in the order Ce > La > Nd > Y > Pr > Sm > Gd > Dy > Er > Yb > Eu > Ho > Tb > Tm > Lu. The chondrite-normalized REE pattern indicated light REE (LREE) enrichment, a relatively steep LREE trend, heavy REE (HREE) depletion, a flat HREE trend, a Eu-negative anomaly and a Ce-positive anomaly. Foremost heavy local soil and to less degree anthropogenic pollution are the main sources of REE present in street dust. Health risk associated with the exposure of REE in street dust was assessed based on the carcinogenic and non-carcinogenic effect and lifetime average daily dose. The obtained cancer and non-cancer risk values prompt for no augmented health hazard. However, children had greater health risks than that of adults.

KeywordRare Earth Elements Street Dust Distribution Pattern Sources Health Risk Assessment
Indexed BySCI
Language英语
Document Type期刊论文
Identifierhttp://ir.gyig.ac.cn/handle/42920512-1/7717
Collection环境地球化学国家重点实验室
Affiliation1.State Key Laboratory of Environmental Geochemistry, Institute of Geochemistry, Chinese Academy of Sciences, Guiyang 550081, China
2.University of Chinese Academy of Sciences, Beijing 100049, China
3.Institute of Hydrobiology, Chinese Academy of Sciences, Wuhan 430072, China
4.Guizhou Provincial Laboratory for Mountainous Environment, Guizhou Normal University, Guiyang 550001, China
5.Key Laboratory of Karst Environment and Geohazard Prevention, Guizhou University, Guiyang 550003, China
First Author Affilication中国科学院地球化学研究所
Corresponding Author Affilication中国科学院地球化学研究所
Recommended Citation
GB/T 7714
Guangyi Sun;Zhonggen Li;Ting Liu;Ji Chen;Tingting Wu;Xinbin Feng. Rare earth elements in street dust and associated health risk in a municipal industrial base of central China[J]. Environmental Geochemistry and Health,2017,39(6):1469-1486.
APA Guangyi Sun;Zhonggen Li;Ting Liu;Ji Chen;Tingting Wu;Xinbin Feng.(2017).Rare earth elements in street dust and associated health risk in a municipal industrial base of central China.Environmental Geochemistry and Health,39(6),1469-1486.
MLA Guangyi Sun;Zhonggen Li;Ting Liu;Ji Chen;Tingting Wu;Xinbin Feng."Rare earth elements in street dust and associated health risk in a municipal industrial base of central China".Environmental Geochemistry and Health 39.6(2017):1469-1486.
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