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. 2024 Nov:208:116965.
doi: 10.1016/j.marpolbul.2024.116965. Epub 2024 Sep 18.

Distribution and provenance analysis of polycyclic aromatic hydrocarbons in surface sediments of the East China Sea

Baoshi Li  1 , Yonggen Sun  1 , Bin Han  1 , Zhiwei Zhang  2 , Yili Guan  1
Affiliations

Distribution and provenance analysis of polycyclic aromatic hydrocarbons in surface sediments of the East China Sea

Baoshi Li et al. Mar Pollut Bull. 2024 Nov.

Abstract

A total of 32 surface sediment samples were collected from the East China Sea (ECS) to investigate the distribution of polycyclic aromatic hydrocarbons (PAHs) in the surface sediments and evaluate their sources. The content of PAHs in the ECS surface sediments ranged from 2.3 ng/g to 57.8 ng/g. The source analysis revealed that the combustion of such fuels as petroleum is the main contribution source of PAHs in the ECS surface sediments, and oil spill is another important contribution source. The study also showed that the content of PAHs in the ECS surface sediments is low and does not cause adverse ecological risks.

Keywords: East China Sea; PAHs; Sediments; Source analysis.

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Conflict of interest statement

Declaration of competing interest The authors declare that they have no known competing financial interests or personal relationships that could have appeared to influence the work reported in this paper.

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