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Volume 8 (2008), Pages 275-286
Research Article

PM2.5 Emission Elemental Composition from Diverse Combustion Sources in the Metropolitan Area of Mexico City

1Universidad Autónoma Metropolitana-Azcapotzalco. Av. San Pablo No. 180, Col. Reynosa Tamaulipas Azcapotzalco, 2200 México, D.F., Mexico
2CICATA/Instituto Politécnico Nacional (IPN). Instituto Latinoamericano de la Comunicación Educativa (ILCE), Mexico

Received 17 October 2007; Revised 29 January 2008; Accepted 4 February 2008

Academic Editor: Dan Brett

Copyright © 2008 V. Mugica et al.


A field study was carried out from 2003 to 2004 with the aim to develop the PM2.5 emission source profiles from light-duty gasoline and heavy-duty diesel vehicles, as well as emission source profiles from waste incineration, wood burning, LP gas combustion, and meat broiling. Over 25 chemical species were quantified from the fine particles emitted by the different combustion sources investigated, including organic and elemental carbon, ions, and elements. The OC/TC ratio found in the different PM2.5 profiles was dissimilar as well as the sulfate, nitrate, ammonium, soil species, and trace element content. Consequently, these combustion emission profiles could be used in source reconciliation studies for fine particles.