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Huan Jing Ke Xue. 2011 Dec;32(12):3566-70.

[Health risk assessment of atmospheric volatile organic compounds in urban-rural juncture belt area].

[Article in Chinese]

Author information

  • 1Research Center for Eco-Environmental Sciences, Chinese Academy of Sciences, Beijing 100085, China. zym8496@163.com

Abstract

A method for determining volatile organic compounds (VOCs) by cryogenic dynamic adsorption in solid adsorbent tubes, subsequent thermal desorption with cryofocusing in a cold trap and analysis by gas chromatography and mass spectrometry was adapted. An internationally recognized four-step evaluation model of health risk assessment (HRA) was adapted to preliminarily assess the health risks caused by volatile organic compounds (VOCs) in urban-rural juncture belt area in Beijing. Results of HRA indicated that non-carcinogenic risk indexes of VOCs are below 1 and non-carcinogenic risk indexes of aromatic substances range from 10(-4)-10(-5), halohydrocarbons in the 10(-4)-10(-1). Volatile pollutants would not cause non-carcinogenic health hazard to exposed population. However, the cancer risk index exposed to carcinogenic benzene was 2.21 x 10(-5), which is higher than that suggested value of USEPA (1x10(-6)) and may cause potential harm to human health. The greatest health risk is in winter, followed by autumn, summer minimum.

PMID:
22468519
[PubMed - indexed for MEDLINE]
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