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The objective of this study is to determine the major sources and potential  source regions of PM10 over Belgrade, Serbia. The PM10 samples were collected  from July 2003 to December 2006 in very urban area of Belgrade and  concentrations of Al, V, Cr, Mn, Fe, Ni, Cu, Zn, Cd and Pb were analyzed by  atomic absorption spectrometry. The analysis of seasonal variations of PM10  mass and some element concentrations reported relatively higher  concentrations in winter, what underlined the importance of local emission  sources. The Unmix model was used for source apportionment purpose and the  four main source profiles (fossil fuel combustion; traffic exhaust/regional  transport from industrial centers; traffic related particles/site specific  sources and mineral/crustal matter) were identified. Among the resolved  factors the fossil fuel combustion was the highest contributor (34%) followed  by traffic/regional industry (26%). Conditional probability function (CPF)  results identified possible directions of local sources. The potential source  contribution function (PSCF) and concentration weighted trajectory (CWT)  receptor models were used to identify spatial source distribution and  contribution of regional-scale transported aerosols. [Projekat Ministarstva  nauke Republike Srbije, br. III43007 i br. III41011

Receptor modeling studies for the characterization of PM10 pollution sources in Belgrade