Evaluation of the Soil Contamination of Tangier (Morocco) by the Determination of BTEX,PCBs, and PAHs |
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| Authors: | Abdelali Zouir Francesc A. Esteve-Turrillas Tarik Chafik Ángel Morales-Rubio Miguel De La Guardia |
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| Affiliation: | 1. Analytical Chemistry Department , University of Valencia , Valencia, Spain;2. Laboratoire de Génie Chimique et Valorisation des Ressources, Faculté des Sciences et Techniques de Tanger , Université Abdelmalek Essaadi , Tangier, Morocco;3. Analytical Chemistry Department , University of Valencia , Valencia, Spain;4. Laboratoire de Génie Chimique et Valorisation des Ressources, Faculté des Sciences et Techniques de Tanger , Université Abdelmalek Essaadi , Tangier, Morocco |
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| Abstract: | Benzene, toluene, ethylbenzene, and xylenes (BTEX), twelve polycyclic aromatic hydrocarbons (PAHs) and seven polychlorinated biphenyls (PCBs), were selected as pollutants to evaluate the contamination of soils in the urban and industrial areas of Tangier (Morocco). PAHs and PCBs were determined by gas chromatography-mass spectrometry (GC-MS) after a microwave-assisted extraction (MAE) and gel permeation chromatography (GPC) clean-up. BTEX were directly determined by head-space GC-MS. Results obtained in this study show the presence of high levels of BTEX and PAHs in the soil near the urban waste deposit. However, the analysis of pollutants in the other sampling sites provided comprehensive evidence that soils of Tangier city are not contaminated. |
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| Keywords: | BTEX GC-MS GPC head-space MAE PAHs PCBs soil |
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