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Sixteen priority polycyclic aromatic hydrocarbons (PAHs) in surface water samples were analyzed by gas chromatograph-mass spectrometer (GC-MS) to study their distribution and characterizing sources. The water samples were collected from five sites (J1-J5) in the Jialing River of Chongqing downtown area from September 2009 to August 2010. The results demonstrate that the concentration of total PAHs...
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