Abstract

Coarse particles (2.5–10 μm) were collected in dichotomous samplers and analyzed by scanning electron microscopy. The resulting data for coal-fly ash and botanical matter were included with x-ray fluorescence and neutron activation data in a chemical mass balance receptor model for fine and coarse particles, and the mass concentration of particles with diameters < 10 μm was apportioned into 10 components. Mineral concentrations deduced by electron microscopy were in good agreement with soil concentrations deduced from x-ray fluorescence data. A comparison of results for an incinerator component indicated possible biases in results.

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