Heavy metals in sediments of the Tecate River, Mexico |
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| Authors: | F T Wakida D Lara-Ruiz J Temores-Peña J G Rodriguez-Ventura C Diaz E Garcia-Flores |
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| Institution: | (1) Facultad de Ciencias Químicas e Ingeniería, Universidad Autonoma de Baja California Calzada Universidad, Mesa de Otay, Tijuana, Baja California, México;(2) PMB # 184, 710 East San Ysidro Blvd, San Ysidro, CA 92173, USA |
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| Abstract: | Ten sites along the Tecate River, Mexico were sampled to evaluate the cadmium, lead, nickel and chromium concentrations in
sediments. The result shows contamination for cadmium in most of the sites, where two sites were class 4 (polluted to strongly
polluted) according to geoaccumulation index proposed by Muller. Two sites were found polluted for all the heavy metals analyzed
(Cr, Cd, Pb and Ni), indicating the effect of anthropogenic activities. A correlation between Ni and Cd concentration had
been found indicating a common source. These metals are usually used in electroplating industry. The results of this study
can be used for decision makers to prioritize measures to control the pollution for these metals. |
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| Keywords: | Heavy metals Tecate River Sediment Pollution Sewage |
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