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Positive matrix factorization of a 32-month series of daily PM2.5 speciation data with incorporation of temperature stratification

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This study presents source apportionment results for PM2.5 from applying positive matrix factorization (PMF) to a 32-month series of daily PM2.5 compositional data from Denver, CO, including concentrations of sulfate, nitrate, bulk elemental carbon (EC) and or... ...