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The solvent-extractable organic compounds of atmospheric PM 10 samples, collected over two years beginning in 2003 at urban and suburban sites of Beijing, were characterized using gas chromatography–mass spectrometry (GC–MS). The elemental carbon (EC) contents were determined and ranged from 4.3 to 42 μg m −3 . Organic compounds in total extracts were identified and included unresolved...
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