Read full paper at: http://www.scirp.org/journal/PaperInformation.aspx?PaperID=53233#.VLh0wcnQrzE Author(s) Miguel Canales-Rodríguez 1* , Margarito Quintero-Núnez 1 , Benjamin Valdés-Salas 1 , Walter Daessle-Heuser 2 Affiliation(s) 1 Departament of Environment, Institute of Engineering, Autonomous University of Baja California, Mexicali, México . 2 Deparment of Environmental Geosciences, Institute of Oceanological Research, Autonomous University of Baja California, Ensenada, Mexico . ABSTRACT The variability of the levels of atmospheric particulate matter PM 10 and its composition is assessed in the rural and urban zones of Mexicali during fall and winter 2008-2009, using a low level volume Minivol sampler, with quartz and Teflon filters. During fall the Mexican norm was exceeded (120 μ g/m 3 in 24 hr) in only two occasions, while in winter it was exceeded twelve times. The predominant component in fall was geological ...
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