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

第一作者： Gu, Yang-Guang

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

作者机构：

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：

页码：

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.

分类号： X5

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