Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/34290
Title: Identification of atmospheric volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs) and carbonyl compounds in Hong Kong
Authors: Ho, KF
Lee, SC 
Keywords: Volatile organic compounds (VOCs)
Polycyclic aromatic hydrocarbons (PAHs)
Carbonyl compounds
Hong Kong
Correlation
Roadside air monitoring station
Issue Date: 2002
Publisher: Elsevier
Source: Science of the total environment, 2002, v. 289, no. 1-3, p. 145-158 How to cite?
Journal: Science of the total environment 
Abstract: Volatile organic compounds (VOCs), polycyclic aromatic hydrocarbons (PAHs) and carbonyl compounds are the major organic pollutants in the atmosphere. Emissions from motor vehicles have been one of the primary pollution sources in the metropolitan area of Hong Kong. A 12-month monitoring program for VOCs, PAHs and carbonyl compounds was performed at a roadside urban station at Hong Kong Polytechnic University (HKPU) in order to determine the correlations of each selected pollutant. The monitoring program ran from 16 April 1999 to 10 April 2000 for a period of 1 year, and a 2-week winter intensive sampling was carried out during January 2000. Traditionally, emission sources are identified from organic compounds in air particulates. Since many of the gaseous and particulate phases of organic compounds are from the same sources, correlations between the major exhausts are to be expected. Therefore, it would be more effective to apportion the sources using the combined gaseous and particulate phases of organic compounds. Correlations of selected pollutants within two other toxic air pollutants (TAPs) monitoring stations in Tsuen Wan (TW) and Central/Western (CW) were analyzed. Good correlations were found between pollutants that came from vehicle exhaust, especially in intensive sampling periods at HKPU roadside station. This was because the washing out effect for particulates during rainy days and photochemical degradation during high solar radiation were minimized in wintertime.
URI: http://hdl.handle.net/10397/34290
ISSN: 0048-9697
EISSN: 1879-1026
DOI: 10.1016/S0048-9697(01)01031-2
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