RESUMO
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.
Assuntos
Sedimentos Geológicos/química , Hidrocarbonetos Clorados/análise , Metais/análise , Poluentes Químicos da Água/análise , Hidrocarbonetos Clorados/toxicidade , Metais/toxicidade , Oceanos e Mares , Água do Mar/química , Turquia , Poluentes Químicos da Água/toxicidade , Poluição Química da Água/estatística & dados numéricosRESUMO
In this study, total metal (Al, Fe, Mn and Cu) and PAHs analyses have been done in the surface sediments. Sediment samples have been collected from seven parts of the Marmara Sea and the coast of Istanbul during 2009. Total Al, Fe, Mn and Cu contents vary between 1.8% and 5.4%; 1.1% and 2.8%; 122 and 259 µg g(-1); 27 and 416 µg g(-1), respectively. EF and CF values of Fe and Mn are lower than 1.5 and 1, respectively, in all the stations. Total PAH contents range between 135 and 6009 ng g(-1) in the surface sediments. The origin of PAHs has been found pyrolitic according to the Phe/Ant ratio in the all stations. Contrastingly, at K0, MKC and MY1 Stations, PAH origins have been observed petrogenic according to the Flu/Pyr ratio.