Grmasha, RA, Abdulameer, MH, Stenger-Kovács, C, Al-sareji, OJ, Al-Gazali, Z, Al-Juboori, RA, Meiczinger, M and Hashim, KS (2023) Polycyclic aromatic hydrocarbons in the surface water and sediment along Euphrates River system: Occurrence, sources, ecological and health risk assessment. Marine Pollution Bulletin, 187. ISSN 0025-326X

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Abstract

This study presented for the first time a comprehensive measurement campaign of 16 PAHs along the Euphrates River for five months, in both water and sediment samples. Our study revealed that the PAHs contamination increased along the flow direction due to the increasing non-point pollution and the return flows of agriculture. The 5–6 rings PAHs were dominant in water and sediment samples with an average of 42 % and 50 %, respectively. The diagnostic ratios of PAHs suggest that the pollution of these compounds originated mainly from petroleum product combustions. The carcinogenic PAHs formed 46 % and 55 % of the total measured compounds in water and sediment samples, respectively, which highlights potential ecological and human health risks. Based on sediment quality guidelines (SQGs), most sites exhibit an effect range between low and medium. The calculated incremental lifetime cancer risk (ILCR) for adult and children were in the 10−2–10−3 range, which is 3–6-fold higher than what was reported in the literature. These observations call for urgent attention from environmental authorities of countries sharing this key water source in Western Asia.

Item Type:	Article
Uncontrolled Keywords:	Humans; Water; Water Pollutants, Chemical; Risk Assessment; Rivers; Environmental Monitoring; Geologic Sediments; Adult; Child; China; Polycyclic Aromatic Hydrocarbons; Diagnostic ratios; Euphrates River; Human health risk assessment; Iraq; Polycyclic aromatic hydrocarbons; Adult; Child; Humans; Polycyclic Aromatic Hydrocarbons; Environmental Monitoring; Rivers; Water; Water Pollutants, Chemical; Geologic Sediments; Risk Assessment; China; Marine Biology & Hydrobiology
Subjects:	G Geography. Anthropology. Recreation > GE Environmental Sciences T Technology > TC Hydraulic engineering. Ocean engineering
Divisions:	Civil Engineering & Built Environment
Publisher:	Elsevier BV
SWORD Depositor:	A Symplectic
Date Deposited:	08 Mar 2023 12:06
Last Modified:	08 Mar 2023 12:15
DOI or ID number:	10.1016/j.marpolbul.2022.114568
URI:	https://researchonline.ljmu.ac.uk/id/eprint/19047

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