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Open Access PM1, Intermodal (PM2.5-1) Mass, and the Soil Component of PM2.5 in Phoenix, AZ, 1995-1996

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Concentrations of size-resolved airborne particulate matter measured in Phoenix, Arizona in 1995-1996 indicate a strong linear relationship between the soil components of PM2.5 and the intermodal PM concentration and similarly between the nonsoil components of PM2.5 and the PM1 concentration. Moreover, the ratio of PM1 to intermodal PM varies considerably at all reported concentrations of PM2.5, and this variation appears to be systematically related to the proportion of PM2.5 comprised of soil components.

Document Type: Research Article


Publication date: 2001-11-01

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