Characterization of Volatile Organic Compounds at a Heavy-Traffic Site in Daegu, South Korea

Title
Characterization of Volatile Organic Compounds at a Heavy-Traffic Site in Daegu, South Korea
Author(s)
백성옥서영교락쉬미슈바라프
Keywords
POLYCYCLIC AROMATIC-HYDROCARBONS; MONITORING STATION; EMISSION INVENTORY; BTEX; ATMOSPHERE; SEOUL; AIR; MICROENVIRONMENTS; POLLUTANTS; EXPOSURE
Issue Date
201305
Publisher
ASIAN JOURNAL OF CHEMISTRY
Citation
ASIAN JOURNAL OF CHEMISTRY, v.25, no.5, pp.2912 - 2922
Abstract
This paper reports the monitoring results for a wide range of volatile organic compounds at a heavy traffic site in Daegn city, South:Korea dining, the spring smuttier and fall of 2010. Seasonal and diurnal variations Were examined to understand the variability Of the volatile organic compound Concentrations with time. Correlation analysis revealed the-effect of meteorological conditions on the measured levels of volatile organic compounds. Advanced statistical methods, such as principle component analysis and pollution rose analysis, were applied to understand the sources and behaviour of volatile organic compounds at this particular site: The ambient levels of Volatile organic compounds measure in this study were Compared with the results obtained in 2000 at the same :sampling Site: This comparative study showed that most of volatile organic compound concentrations were reduced considerably (by -70%)compared to those 10 years. ago due to intensive governmental programs to reduce volatile organic compound emissions over the last 10. years. The BTEX concentrations reported at traffic related sites in other Korean and Asian cities were compared with the data in the present study. The BTEX concentration ratios of the present study were approximately The concentration of benzene. measured at the present site was lower than that in,other traffic related sites in Korea and Asian cities. The health implications for the benzene levels measured from this study are also discussed.
URI
http://hdl.handle.net/YU.REPOSITORY/25894
ISSN
0970-7077
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공과대학 > 환경공학과 > Articles
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