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Diurnal variations of polycyclic aromatic hydrocarbons associated with PM2:5 in Shanghai, China |
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| Authors: | Zeping Gu Jialiang Feng Wenliang Han Li Li Minghong Wu Jiamo Fu and Guoying Sheng |
| Institution: | 1. Institute of Environmental Pollution and Health,Shanghai University,Shanghai 200072,China 2. Institute of Environmental Pollution and Health,Shanghai University,Shanghai 200072,China;Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China 3. Guangzhou Institute of Geochemistry,Chinese Academy of Sciences,Guangzhou 510640,China |
| Abstract: | Forty-eight daily time interval PM2.5 samples were collected from December 2006 to January 2008 in an urban site in Shanghai, China. Concentrations and compositions of polycyclic aromatic hydrocarbons (PAHs) were analyzed with GC-MS to study the diurnal and seasonal variations and to identify the main emitting sources. The diurnal variation of the PAHs concentrations was greater in the late autumn and winter sampling days, and was greatly influenced by meteorological conditions such as wind speed and ambien... |
| Keywords: | PAHs PM2 5 diurnal variation source identification |
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