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Environ Sci Pollut Res Int

Title:		Characterization of VOC sources in an urban area based on PTR-MS measurements and receptor modelling
Author(s):		Stojic A; Stojic SS; Sostaric A; Ilic L; Mijic Z; Rajsic S;
Address:		"Institute of Physics Belgrade, University of Belgrade, 118 Pregrevica St., 11080, Belgrade, Serbia, andreja.stojic@ipb.ac.rs"
Journal Title:		Environ Sci Pollut Res Int
Year:		2015
Volume:		20150501
Issue:		17
Page Number:		13137 - 13152
DOI:		10.1007/s11356-015-4540-5
ISSN/ISBN:		1614-7499 (Electronic) 0944-1344 (Linking)
Abstract:		"In this study, the concentrations of volatile organic compounds were measured by the use of proton transfer reaction mass spectrometry, together with NO x , NO, NO2, SO2, CO and PM10 and meteorological parameters in an urban area of Belgrade during winter 2014. The multivariate receptor model US EPA Unmix was applied to the obtained dataset resolving six source profiles, which can be attributed to traffic-related emissions, gasoline evaporation/oil refineries, petrochemical industry/biogenic emissions, aged plumes, solid-fuel burning and local laboratories. Besides the vehicle exhaust, accounting for 27.6 % of the total mixing ratios, industrial emissions, which are present in three out of six resolved profiles, exert a significant impact on air quality in the urban area. The major contribution of regional and long-range transport was determined for source profiles associated with petrochemical industry/biogenic emissions (40 %) and gasoline evaporation/oil refineries (29 %) using trajectory sector analysis. The concentration-weighted trajectory model was applied with the aim of resolving the spatial distribution of potential distant sources, and the results indicated that emission sources from neighbouring countries, as well as from Slovakia, Greece, Poland and Scandinavian countries, significantly contribute to the observed concentrations"
Keywords:		"Air Pollutants/*analysis Cities Environmental Monitoring Gasoline/analysis Humans Mass Spectrometry Models, Theoretical Multivariate Analysis Oil and Gas Industry Particulate Matter/analysis Seasons Serbia Vehicle Emissions/analysis Volatile Organic Compo;"
Notes:		"MedlineStojic, A Stojic, S Stanisic Sostaric, A Ilic, L Mijic, Z Rajsic, S eng Research Support, Non-U.S. Gov't Germany 2015/05/01 Environ Sci Pollut Res Int. 2015 Sep; 22(17):13137-52. doi: 10.1007/s11356-015-4540-5. Epub 2015 May 1"