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Metals in exposed-lawn soils from 18 urban parks and its human health implications in southern China's largest city, Guangzhou

文献类型： 外文期刊

作者： Gu, Yang-Guang 1 ; Lin, Qin 1 ; Gao, Yan-Peng 4 ;

作者机构： 1.Chinese Acad Fishery Sci, South China Sea Fisheries Res Inst, Guangzhou 510300, Guangdong, Peoples R China

2.Chinese Acad Fishery Sci, Key Lab Fishery Ecol & Environm Guangdong Prov, Guangzhou 510300, Guangdong, Peoples R China

3.Chinese Acad Fishery Sci, Minist Agr, Key Lab South China Sea Fishery Resources Exploit, Guangzhou 510300, Guangdong, Peoples R China

4.Chinese Acad Sci, Guangzhou Inst Geochem, State Key Lab Organ Geochem, Guangzhou 510640, Guangdong, Peoples R China

5.Chinese Acad Sci, Guangzhou Inst Geochem, Guangdong Key Lab Environm Resources Utilizat & P, Guangzhou 510640, Guangdong, Peoples R China

关键词： Metals;Fractionation;Park soils;Sequential extraction;Health risk

期刊名称：JOURNAL OF CLEANER PRODUCTION （ 影响因子：9.297； 五年影响因子：9.444 ）

ISSN：

年卷期：

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收录情况： SCI

摘要： The total concentrations, fractionation of metals and human health risk in surface-exposed lawn soils from 18 urban parks in Guangzhou were investigated. Cd was predominantly associated with the acid soluble fraction and Pb mainly with the reducible fraction, whereas Cr, Ni, Cu, and Zn were strongly associated with the residual fraction. The hazard indices for the metals were <1, indicating that exposure to the urban park soil does not pose significant risks of non-carcinogenic effects from the metals analyzed. The probabilities of Cd, Cr, and Ni posing carcinogenic risks to children and adults were negligible (probability <1 x 10(-6)). (C) 2015 Elsevier Ltd. All rights reserved.

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