Source Apportionment Studies Of PM-2.5 In Two Czech Cities: A Comparison Of Different Methods
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Air monitoring data were obtained as part of an ongoing air pollution-health outcome study initiated in 1991. Teplice, located in northwestern Bohemia, was selected because the local population was exposed to high air pollution levels. Prachatice, located in southern Bohemia, was selected initially as a control location because the population there was exposed to lower air pollution levels. Data for concentrations of SO2, oxides of nitrogen, CO, PM-2.5, PM-10, trace elements, elemental carbon, organic carbon and polycyclic aromatic hydrocarbons (PAHs) were obtained in both cities. Data obtained in Teplice and Prachatice indicate that fine particulate matter (PM-2.5) consisted mainly of organic carbon and sulfate with smaller amounts of trace metals. Coarse particle mass (PM10-2.5) was dominated by crustal material and concentrations were typically between 10 and 30% of PM-2.5 concentrations.