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Evaluation of airborne particulate matter pollution in Kenitra City, Morocco

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Author(s): Mounia Tahri | Moussa Bounakhla | Mustapha Zghaïd | Yves Noack | Fouad Benyaïch | Abdelfettah Benchrif

Journal: Ambiente e Água : An Interdisciplinary Journal of Applied Science
ISSN 1980-993X

Volume: 8;
Issue: 1;
Start page: 38;
Date: 2013;
Original page

Keywords: X-ray fluorescence | cluster analysis | principal component analysis

ABSTRACT
Two size fractions of atmospheric particulate matter < 2.5 µm and 2.5-10 µm were collected in Kenitra City from February 2007 to February 2008. The sampling was done using a Gent Stacked sampler on nuclepore polycarbonate filters and the collected filters were analyzed using Total Reflection X-Ray Fluorescence (TXRF) and Atomic Absorption Spectroscopy (AAS). The particulate matter trends show higher concentrations during the summer as compared to other seasons. The highest concentrations were obtained for Ca in coarse particles and Fe for fine particles. However, the lowest concentrations were observed for Cd in both particulate sizes. The principal component analysis (PCA) based on multivariate study enabled the identification of soil, road dust and traffic emissions as common sources for coarse and fine particles.
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