Abstract
Airborne particulate matter (PM2.5 and PM10) samples were collected at the Beijing Normal University sampling site in the urban area of Beijing, China in dry and wet seasons during 2001–2004. Concentrations of 23 elements and 14 ions in particulate samples were determined by ICP-AES and IC, respectively. Source apportionment results derived from both Positive Matrix Factorization (PMF) and Chemical Mass Balance (CMB) models indicate that the major contributors of PM2.5 and PM10 in Beijing are: soil dust, fossil fuel combustion, vehicle exhausts, secondary particulate, biomass burning and some industrial sources. We have identified both regional common sources, such as vehicular emissions, particulate of secondary origin and biomass burning, as well as country-specific problems, such as sand storms and soil dust that should be addressed for effective air quality control.
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Supported by the Swedish International Development Cooperation Agency (SIDA), and coordinated by the Asian Institute of Technology
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Zhang, W., Guo, J., Sun, Y. et al. Source apportionment for urban PM10 and PM2.5 in the Beijing area. CHINESE SCI BULL 52, 608–615 (2007). https://doi.org/10.1007/s11434-007-0076-5
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DOI: https://doi.org/10.1007/s11434-007-0076-5