Polycyclic Aromatic Hydrocarbons (PAHs) in Sediment Samples from Euphrates River, Iraq
Shaimaa T.Abed Ali2
1 Department of Marine Chemistry, Marine Sciences Center University of Basrah, Iraq
2 Department of Biology, College of Sciences, University of Thi-Qar, Iraq
International Journal of Marine Science, 2016, Vol. 6, No. 2 doi: 10.5376/ijms.2016.06.0002
Received: 07 Dec., 2015 Accepted: 19 Feb., 2016 Published: 22 Mar., 2016
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Preferred citation for this article:
Al-Saad H.T., Ali S.T., Mahdi S, Alkafaji B.Y., and AL-Hello.A.., 2016, Polycyclic Aromatic Hydrocarbons (PAHs) in Sediment Samples From Euphrates River, Iraq, International Journal of Marine Science, 6(2): 1-5 (doi: 10.5376/ijms.2016.06.0002)
Sediment samples were collected from four selected sites along the Euphrates river near Al-Nassyira city south of Iraq during summer2012 to winter 2013, sixteen PAHs listed by USEPA as priority pollutants were detected.The total of PAHs was ranged from 0.197 ng/g dry weight in summer at station 1 to 80.006 ng/g dry weight in winter at station 3. The LMW/HMW, Flouranthene/Pyrene and Phenanthrene /Anthracene ratio indicated that the source of PAHs was pyrogenic Whereas BaA/(BaA+Chry) ratio indicated that the source of PAHs was pyrogenic and at least petrognic. The highest value TOC % were 1.91% at station 3 in winter while the lowest value were 0.73% at station 1 in summer. The study shows that there is a significant correlations between TOC%, grain size in the sediment with concentration of PAH. The present study indicated that hydrocarbons exist in the study area, but its levels were in acceptable range.
PAHs; Sediment; Euphrates River; Pollution