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Assessment of organochlorine contamination source and ecological risk in the Litani River: polychlorinated biphenyls and organochlorinated pesticides in surface sediments

dc.rights.licenseopenen_US
dc.contributor.authorSOUKARIEH, Banan
dc.contributor.authorHAMIEH, Mostafa
dc.contributor.authorMALAK, Inas Abdel
hal.structure.identifierEnvironnements et Paléoenvironnements OCéaniques [EPOC]
dc.contributor.authorBUDZINSKI, Hélène
ORCID: 0000-0003-1028-9154
IDREF: 070478090
dc.contributor.authorJABER, Farouk
dc.date.accessioned2023-10-16T08:55:23Z
dc.date.available2023-10-16T08:55:23Z
dc.date.issued2023-04-25
dc.identifier.issn0944-1344en_US
dc.identifier.urioai:crossref.org:10.1007/s11356-023-27128-5
dc.identifier.urihttps://oskar-bordeaux.fr/handle/20.500.12278/184413
dc.description.abstractEnIn this paper, we investigate for the first time the contamination source and the ecological risk associated to organochlorinated compounds in the Litani system. For this purpose, the levels of 7 polychlorinated biphenyls (PCBs) and 13 organochlorinated pesticides (OCPs) were assessed, using a microwave-assisted extraction coupled to gas chromatography-electron capture detector (MAE/GC-ECD) method, in surficial sediments from 30 sites along the main course of the river, two major tributaries, and the Quaraoun Lake. ∑7PCBs exhibited total concentrations ranging from 0.11 to 8 ng g−1 of dry weight and are not able apparently to pose ecological risks since none of the samples showed concentration above the effects range low (ERL) guideline (22.7 ng g−1). The detected levels of OCPs in the river were significantly higher than those of PCBs; ∑13OCPs range from 0.5 to 46.5 ng g−1 of dry weight. Overall, the integrated eco-toxicological risk imposed by the organochlorine contamination in the Litani River, estimated as the mean effects range medium quotient (mERMq), is considered low with risk probability lower than 21% in all sites. The six dichlorodiphenyltrichloroethane-based pesticides (∑6DDT) contributed to more than 70% of the mERMq in 15 over the 29 included sites. Moreover, the approach of ∑6DDT/∑7PCB ratios was applied to investigate the contamination source. ∑6DDT/∑7PCB was higher than one in all samples suggesting that the organochlorine contamination result from agricultural activities set in the surrounding areas of the Litani River.
dc.language.isoENen_US
dc.sourcecrossref
dc.title.enAssessment of organochlorine contamination source and ecological risk in the Litani River: polychlorinated biphenyls and organochlorinated pesticides in surface sediments
dc.typeArticle de revueen_US
dc.identifier.doi10.1007/s11356-023-27128-5en_US
dc.subject.halSciences de l'environnementen_US
bordeaux.journalEnvironmental Science and Pollution Researchen_US
bordeaux.page66125-66134en_US
bordeaux.volume30en_US
bordeaux.hal.laboratoriesEPOC : Environnements et Paléoenvironnements Océaniques et Continentaux - UMR 5805en_US
bordeaux.issue24en_US
bordeaux.institutionUniversité de Bordeauxen_US
bordeaux.institutionCNRSen_US
bordeaux.teamLPTCen_US
bordeaux.peerReviewedouien_US
bordeaux.inpressnonen_US
bordeaux.import.sourcedissemin
hal.identifierhal-04243754
hal.version1
hal.date.transferred2023-10-16T08:55:26Z
hal.popularnonen_US
hal.audienceInternationaleen_US
hal.exporttrue
workflow.import.sourcedissemin
dc.rights.ccPas de Licence CCen_US
bordeaux.COinSctx_ver=Z39.88-2004&rft_val_fmt=info:ofi/fmt:kev:mtx:journal&rft.jtitle=Environmental%20Science%20and%20Pollution%20Research&rft.date=2023-04-25&rft.volume=30&rft.issue=24&rft.spage=66125-66134&rft.epage=66125-66134&rft.eissn=0944-1344&rft.issn=0944-1344&rft.au=SOUKARIEH,%20Banan&HAMIEH,%20Mostafa&MALAK,%20Inas%20Abdel&BUDZINSKI,%20H%C3%A9l%C3%A8ne&JABER,%20Farouk&rft.genre=article


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