Organochlorine residue and toxic metal (Pb, Cd and Cr) levels in the surface sediments of the Marmara Sea and the coast of Istanbul, Turkey |
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| Authors: | Aksu A Ta?kin O S |
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| Institution: | Istanbul University, Institute of Marine Science and Management, Department of Chemical Oceanography, Vefa 34134, Istanbul, Turkey. aksu_abdullah@hotmail.com |
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| Abstract: | In this study, organochlorine and toxic metal (Pb, Cd and Cr) analyses have been done in the surface sediments. Sediment samples have been collected from 7 parts of the Marmara Sea and the coast of Istanbul during 2009. Total Pb, Cd and Cr contents vary between 32 μg g(-1) and 122 μg g(-1); 0.19 μg g(-1) and 1.16 μg g(-1); 62 μg g(-1) and 372 μg g(-1), respectively. EF values of Pb and Cr are higher than 1.5 in all the stations. EF value of Cd is considerably high at Station MY1 (Tuzla Port). Total organochlorine residue contents range between 4.33 ng g(-1) and 22.2 ng g(-1) in the surface sediments. |
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