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We continuously collected aerosol samples of PM 7 from 1990 to 1997 and of PM 10-2 and PM 2 from 1998 to 2001 and measured their water-soluble components of pH, conductivity, major ions, dissolved organic carbon (DOC) and total mass (TM) in an urban site, Yokohama (35 o 28'N, 139 o 38'E) and the mountainside (680masl) of Mt. Oyama (35 o ...
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