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SCI Article

Historical trends of perfluoroalkyl substances (PFASs) in dated sediments from semi-enclosed bays of Korea

	성명	문효방 ()
	소속	과학기술융합대학 해양융합공학과
	캠퍼스
	우수선정주	2018년 05월 2째주

Author

Shen, Aihua (Dept Marine Sci & Convergence Engn); Lee, Sunggyu (Dept Marine Sci & Convergence Engn); Suk, Dongwoo (Dept Marine Sci & Convergence Engn); 문효방 (Dept Marine Sci & Convergence Engn) corresponding author;

Corresponding Author Info

Moon, HB (reprint author), Hanyang Univ, Coll Sci & Convergence Technol, Dept Marine Sci & Convergence Engn, Ansan 15588, South Korea.

E-mail

hbmoon@hanyang.ac.kr

Document Type

Article

Source

MARINE POLLUTION BULLETIN Volume:128 Issue: Pages:287-294 Published:2018

Times Cited

External Information

http://dx.doi.org/10.1016/j.marpolbul.2018.01.039

Abstract

Information is scarce on historical trends of perfluoroalkyl substances (PFASs) in the coastal environment. In this study, four sediment cores were collected from semi-enclosed bays of Korea to investigate the pollution history, contamination profiles, and environmental burden of PFASs. The total PFAS concentrations in sediment cores ranged from 6.61 to 821 pg/g dry weight. The highest concentrations of PFASs were found in surface or subsurface sediments, indicating on-going contamination by PFASs. Historical trends in PFASs showed a clear increase since the 1980s, which was consistent with the global PFAS consumption pattern. Concentrations of PFASs were dependent on the organic carbon content in sediment cores. PFOS and longer-chain PFASs were predominant in all of the sediment cores. In particular, a large proportion of longer-chain PFASs was observed in the upper layers of the sediment cores from industrialized coastal regions. Inventories and fluxes estimated for PFASs were similar to those for PCDD/Fs.

Web of Science Categories

Environmental Sciences; Marine & Freshwater Biology

Funding

'Development of Techniques for Assessment and Management of Hazardous Chemicals in the Marine Environment' project - Ministry of Ocean and Fisheries, Korea

Language

English

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