Publications (1)1.02 Total impact
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Article: Seasonal change in the atmospheric concentration of particulate polycyclic aromatic hydrocarbons in Ho Chi Minh City, Vietnam.
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ABSTRACT: We analyzed atmospheric particulate polycyclic aromatic hydrocarbons (PAHs) in Ho Chi Minh City, Vietnam, for 19 months. The average concentrations of total PAHs at dry and rainy seasons were 4.28 +/- 2.83 and 15.71 +/- 8.21 ng m(-3), respectively. The use of motorcycles without catalytic converters, estimated to be main emission sources of PAHs, would be higher during the dry season. PAH concentrations show a negative correlation with sunshine duration (r = -0.51). Furthermore, the ratio of average PAH concentration in the dry season to that in the rainy season shows a positive correlation with photolytic half-life (r = 0.94). Thus, seasonal changes in PAH concentrations are attributable to their photolytic degradation.Bulletin of Environmental Contamination and Toxicology 06/2009; 83(5):747-51. · 1.02 Impact Factor
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Institutions
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2009
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Vietnam National University, Ho Chi Minh City
Thành phố Hồ Chí Minh, Thanh pho Ho Chi Minh, Vietnam
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