Compositions of Particles from Selected Sources in Philadelphia for Receptor Modeling Applications

Abstract
As a part of a receptor model study of the Philadelphia, PA atmosphere, particulate samples were collected from seven air pollution sources in the area: two oil-fired power plants, a coal-fired power plant, a fluidized catalytic cracker, a refuse incinerator, a secondary aluminum smelter and an antimony ore roaster. Samples were collected In two size fractions with a dilution source sampler connected to a modified dichotomous sampler. Masses of collected material were determined gravlmetrlcally. Samples were analyzed for elements by x-ray fluorescence followed by Instrumental neutron activation analysis of some samples. Other samples were analyzed by chemical methods for volatile and nonvolatile carbon, SO4 2− and NH4 +. Data are presented for up to 46 elements and species on fine (4 2− are released from the oil-fired plants, the SO4 2− concentrations accounting for 40-45 percent of the fine particulate mass.

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