上海市某区域PM<sub>2.5</sub>及其重金属对居民健康的影响

张纯淳1,2, 何池全1

doi:10.3969/j.issn.1007-2861.2016.05.006

上海大学学报(自然科学版) >

2016 , Vol. 22 >Issue 6: 784 - 792

DOI: https://doi.org/10.3969/j.issn.1007-2861.2016.05.006

环境与化学工程

上海市某区域PM_2.5及其重金属对居民健康的影响

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1. 上海大学环境与化学工程学院, 上海 200444; 2. 上海市普陀区环境监测站, 上海 200062

何池全(1968—), 男, 教授, 博士生导师, 博士, 研究方向为污染环境生态修复等. E-mail: cqhe@shu.edu.cn

收稿日期: 2016-04-15

网络出版日期: 2016-12-30

基金资助

上海市教委科研创新基金资助项目(13YZ001)

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PM_2.5 and its heavy metal contents in Shanghai and the assessment of health risk to residents

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1. School of Environmental and Chemical Engineering, Shanghai University, Shanghai 200444, China;
2. Shanghai Putuo District Environmental Monitoring Station, Shanghai 200062, China

Received date: 2016-04-15

Online published: 2016-12-30

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摘要

跟踪监测上海某典型工业居民混合区夏、秋、冬三季的PM_2.5及其重金属成分的质量浓度, 分析污染物质量浓度变化趋势, 通过人体暴露健康风险评价模型对居民健康进行风险评估. 结果显示, 调查区域内居民区的PM_2.5的质量浓度与全市均值相当; 各点位PM_2.5及其重金属成分的污染水平均呈现明显的季节性特征, 其中冬季明显高于夏秋季; 重金属中铅、镉的质量浓度均未超过国家标准, 各点位的砷的质量浓度均超过国家标准1倍; 调查区域内致癌和非致癌重金属成分的健康风险处于“可接受”水平, 不会增加当地居民的健康风险.

关键词： 健康风险评估; 重金属; PM_2.5

本文引用格式

张纯淳1,2, 何池全1 . 上海市某区域PM_2.5及其重金属对居民健康的影响[J]. 上海大学学报(自然科学版), 2016 , 22(6) : 784 -792 . DOI: 10.3969/j.issn.1007-2861.2016.05.006

Abstract

PM_2.5 concentration and its heavy metal contents in a typical mixing area in Shanghai with industrial units and residents were monitored from summer to winter. The trend of PM_2.5 concentration and its heavy metal contents were found. Human exposure health risk assessment method was used to evaluate potential health risk of PM_2.5 concentration and its heavy metal contents. The results showed that PM_2.5 concentration in residential sites was equal to the average value of Shanghai. Pollution levels in each point showed a strong seasonal pattern, which was significantly higher in winter than in summer and in autumn. Concentrations of Pb and Cd did not exceed the standard limit, but that of As was more than doubled compared to the standard. Both non-cancer risk and cancer risk of heavy metal exposure were at an acceptable level, without increasing health risks to local residents.

Key words： health risk assessment; heavy metal; PM_2.5

参考文献

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