| This study presents results from a project on chemical characterization of fine particulate matter (PM2.5) measured at three elementary schools in central and southeastern Ohio. This project supported a comprehensive health based study completed by Ohio University. PM2.5 aerosol samples were collected from outdoor monitors and indoor samplers at each monitoring location for the period of February 1, 1999 through August 31, 2000. The locations included a rural elementary school in Athens, Ohio, and two urban schools within Columbus, Ohio. The collected samples were analyzed at the Texas A&M University - Kingsville using an ion chromatography unit and x-ray fluorescence spectrophotometer. Concentrations of F−, Cl−, NO −, SO4−2, PO4 −3, Li+, Na+, NH4 +, K+, Mg+2, Ca+2, Si, P, S, Cl, K, Ca, Ti, Co, Ni, V, Cr, Mn, Fe, Cu, Zn, As, Cd and Sn were determined for each site. A mass balance analysis of the major chemical components was conducted. Elemental carbon and organic compounds were not analyzed for this study. (Abstract shortened by UMI.)... |
