于洋;马俊花;宋宁宁;王晰;沈珍瑶;杨志峰;李迎霞;

• 1:北京师范大学环境学院 水环境模拟国家重点实验室
• 2:宁夏交通科学研究所

摘要(Abstract)：

为了解典型重金属污染物铜(Cu)在城市环境中的污染特征及其可能带来的健康风险,在北京市四环以内的典型功能区采集了30个地表灰尘样品并测定了Cu的浓度。结果表明,地表灰尘样品中Cu的平均浓度为102.53μg·g~(-1),远高于北京市土壤背景值。商业区Cu浓度的均值更达到了169μg·g~(-1)。居住区、街道和商业区单位面积上Cu的负荷较高,对人类的健康威胁较大。健康风险评价结果显示,地表灰尘中Cu引起的非致癌风险对儿童的威胁程度高于成人,手-口摄人的方式是非致癌风险最主要的途径。

关键词(KeyWords)： 北京;地表灰尘;铜;健康风险评价

Abstract:

Keywords:

基金项目(Foundation): 国家自然科学基金面上项目(51278054);; 国家基金委创新研究群体科学基金(51121003)

作者(Author): 于洋;马俊花;宋宁宁;王晰;沈珍瑶;杨志峰;李迎霞;

Email:

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