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	Air pollution in the microenvironment of parked new cars
	Zhang, Guang-Shan ; Li, Tian-Tian ; Luo, Ming ; Liu, Jin-Feng ; Liu, Zhao-Rong ; Bai, Yu-Hua
	2008
关键词	in vehicle benzene toluene xylene VOLATILE ORGANIC-COMPOUNDS DIFFERENT DRIVING CONDITIONS PUBLIC TRANSPORTATION MODES COMMUTER EXPOSURE AROMATIC VOCS CABINS
英文摘要	Potential health effects of material emissions in new motor vehicles are of great public concern in China. To estimate the pollution levels, air samples were taken from 802 new cars parked in a well-ventilated underground parking garage in Beijing, China. These vehicles were all manufactured in and after 2003, and represented three different price ranges. For comparison, 20 older vehicles (manufactured before 2003) were also examined. Monitoring items included benzene, toluene, xylene, and formaldehyde. Preliminary results indicate that 82% of the vehicles. studied had toluene levels exceeding the Chinese National Indoor Air Quality Standard. For benzene, xylene, and formaldehyde, the rates of noncompliance were 75%, 25%, and 24%, respectively. For all the pollutants, newer vehicles had higher concentrations than older ones. There seems a connection between the types of interior materials used in the passenger cabins and the concentrations of certain air pollutants. (C) 2006 Elsevier Ltd. All rights reserved.; Construction & Building Technology; Engineering, Environmental; Engineering, Civil; SCI(E); EI; CPCI-S(ISTP); 0
语种	英语
DOI标识	10.1016/j.buildenv.2006.03.019
内容类型	其他
源URL	[http://ir.pku.edu.cn/handle/20.500.11897/249219]
专题	环境科学与工程学院
推荐引用方式 GB/T 7714	Zhang, Guang-Shan,Li, Tian-Tian,Luo, Ming,et al. Air pollution in the microenvironment of parked new cars. 2008-01-01.

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