title: Assessment of metals pollution and health risk in dust from nursery schools in Xi'an, China.
abstract: Concentrations, pollution and health risks of metals in dust from nursery schools in Xi'an, China were determined. In comparison with local soil, dust samples have elevated metals concentrations except for Mn. The results indicate no distinct pollution of Mn, Ni, As and Ba in the dust, while Cu, Co and Zn are moderate pollution, Pb is significant pollution, and Cr with large pollution range. Most samples presented moderately polluted by metals. The non-cancer risks of the studied metals are within the safe range, and the cancer risks of As, Co, Cr and Ni are also within the currently acceptable range.
authors.affiliation: School of Tourism and Environment, Shaanxi Normal University, Xi'an 710062, People's Republic of China. Electronic address: luxinwei@snnu.edu.cn.
authors.forename: Xinwei
authors.initials: X
authors.lastname: Lu
authors.affiliation: School of Tourism and Environment, Shaanxi Normal University, Xi'an 710062, People's Republic of China.
authors.forename: Xiaolan
authors.initials: X
authors.lastname: Zhang
authors.affiliation: Department of Civil Engineering, University of British Columbia, Vancouver, BC, Canada V6T 1Z4.
authors.forename: Loretta Y
authors.initials: LY
authors.lastname: Li
authors.affiliation: School of Tourism and Environment, Shaanxi Normal University, Xi'an 710062, People's Republic of China.
authors.forename: Hao
authors.initials: H
authors.lastname: Chen
mesh_terms: D002675:Child, Preschool; D002681:China; D004391:Dust / Q000032:analysis*; D004785:Environmental Pollutants / Q000032:analysis*; D004787:Environmental Pollution / Q000032:analysis* / Q000706:statistics & numerical data; D006801:Humans; D019216:Metals, Heavy / Q000032:analysis*; D018570:Risk Assessment; D012578:Schools, Nursery / Q000706:statistics & numerical data*
chemical_list: D004391:Dust; D004785:Environmental Pollutants; D019216:Metals, Heavy
keywords: Dust; Health risk; Metal; Nursery school; Pollution assessment