湖南省典型城区降尘的重金属污染及健康风险研究 |
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引用本文: | 高雯媛,邹霖,罗岳平,张艳,于奕,邢宏霖. 湖南省典型城区降尘的重金属污染及健康风险研究[J]. 环境科学与管理, 2015, 0(8): 173-176. DOI: 10.3969/j.issn.1673-1212.2015.08.046 |
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作者姓名: | 高雯媛 邹霖 罗岳平 张艳 于奕 邢宏霖 |
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作者单位: | 湖南省环境监测中心站,湖南 长沙 410014; 国家环境保护部重金属污染监测重点实验室,湖南 长沙 410019 |
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基金项目: | 湖南省地方标准制修订项目,环境保护部监测司专项资金资助项目 |
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摘 要: | 2011年-2014年对邵阳城区不同功能区降尘的铅镉污染开展监测及健康风险评价,监测结果表明,邵阳市城区铅、镉的年均含量分别为178.34 mg · kg-1、2.12 mg · kg-1,平均富集系数分别为5.6、16.6。健康风险评价结果表明,降尘中铅的非致癌风险大于镉,儿童的非致癌风险远高于成年女性和成年男性,手-口途径非致癌风险远高于其他两种途径,铅、镉的总非致癌风险人群危害较小,镉呼吸途径不具有致癌风险。
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关 键 词: | 典型城区 重金属 健康风险评价 降尘 |
Pollution and Health Risk Assessment of Heavy Metal from Atmospheric Deposition in Typical Urban Area of Hunan |
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Abstract: | The monitoring and health risk assessment for the contamination of Pb , Cd in atmospheric deposition in different function area of Shaoyang from 2011 to 2014 were carried out.Result of monitoring showed the annual average contents of Pb , Cd in urban area of Shaoyang were 178.34 mg· kg -1,2.12 mg· kg-1, average enrichment coefficient of Pb, Cd were 5.6,16.6. Health risk assessment showed that the non-cancer hazard index of Pb is higher than Cd , children is much higher than adult fe-male and adult male, hand-mouth ingestion was much higher than other two ways.The non-cancer hazard index and the cancer hazard index were both lower than their threshold values, suggestion that will not harm the health. |
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Keywords: | typical urban area heavy metal health risk assessment atmospheric deposition |
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