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Environ Geochem Health

Title:		Characteristics of major volatile organic hazardous air pollutants in the urban air of Kaohsiung city
Author(s):		Huang MC; Lin JJ;
Address:		"Institute of Engineering Science and Technology, National Kaohsiung First University of Science and Technology, Nanzih, Kaohsiung, 811, Taiwan, ROC"
Journal Title:		Environ Geochem Health
Year:		2007
Volume:		20070323
Issue:		5
Page Number:		447 - 455
DOI:		10.1007/s10653-007-9089-x
ISSN/ISBN:		0269-4042 (Print) 0269-4042 (Linking)
Abstract:		"The concentrations and characteristics of volatile organic hazardous air pollutants (HAPs) in the urban city of Kaohsiung from motor vehicles and dense pollutant sources has become a national concern. To continuously monitor volatile organic HAPs, sampling sites were selected near the four air-quality monitoring stations established by Ethe nvironmental Protection Administration of Taiwan ROC, namely Nan-tz, Tso-ying, San-min and Hsiao-kang, from north to south. An on-site automated online monitor of volatile organic compounds (VOCs) was used for continuous monitoring. This study performed two consecutive days of 24-h monitoring of five volatile organic HAPs form August to October 2005 at the four monitoring sites, which cover the northern, central, and southern areas of Kaohsiung city. The average monitored concentration was 2.78-4.84 ppb for benzene, 5.90-9.66 ppb for toluene, 3.62-5.90 ppb for ethylbenzene, 3.73-5.34 ppb for m,p-xylene, 3.38-4.22 ppb for o-xylene, and 4.48-7.00 ppb for styrene. The average monitored concentrations of the major volatile organic HAPs tended to follow the pattern San-min > Nan-tz > Hsiao-kang > Tso-ying. Among all the species monitored in this study, toluene had the highest ambient concentration, followed by styrene, m,p-xylene, ethylbenzene, o-xylene, and benzene. The results showed that the concentration at night was higher than that in the day for toluene at Nan-tz, San-min, Hsiao-kang, and for benzene at Nan-tz and Hsiao-kang"
Keywords:		Air/*analysis Air Pollutants/*analysis/toxicity Benzene/analysis/toxicity Benzene Derivatives/analysis/toxicity Cities Environmental Monitoring Geography Hazardous Substances/*analysis/toxicity Organic Chemicals/*analysis/toxicity Particle Size Styrene/an;
Notes:		"MedlineHuang, Mei-Chuan Lin, Jim Juimin eng Research Support, Non-U.S. Gov't Netherlands 2007/03/24 Environ Geochem Health. 2007 Oct; 29(5):447-55. doi: 10.1007/s10653-007-9089-x. Epub 2007 Mar 23"