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Choi, Sung-Deuk
Environmental Analytical Chemistry Lab (EACL)
Research Interests
  • Persistent organic pollutants, Environmental Analysis and monitoring, Multimedia modeling, Fine particle

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Per- and polyfluoroalkyl substances and their alternatives in black-tailed gull (Larus crassirostris) eggs from South Korea islands during 2012?2018

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Title
Per- and polyfluoroalkyl substances and their alternatives in black-tailed gull (Larus crassirostris) eggs from South Korea islands during 2012?2018
Author
Wang, WentingLee, JanghoOh, Jung-KeunLee, Sang-JinChoi, Sung-DeukOh, Jeong-Eun
Issue Date
2021-06
Publisher
ELSEVIER
Citation
JOURNAL OF HAZARDOUS MATERIALS, v.411, pp.125036
Abstract
The temporal and spatial trends of sixteen per- and polyfluoroalkyl substances (PFAS) and their three alternatives, chlorinated polyfluoroalkyl ether sulfonic acid (F-53B), hexafluoropropylene oxide dimer acid (GenX), and dodecafluoro-3H-4,8-dioxanonanoate (ADONA) in whole eggs of black-tailed gulls from two South Korean islands, Baengnyeongdo (BLD) and Hongdo (HD), were investigated during 2012?2018. A total of 16 analyzed compounds were detected at concentrations of 21.3?47.8 ng/g ww in BLD and 11.2?40.0 ng/g ww in HD. Meanwhile, the mean levels of perfluorooctanesulfonic acid (PFOS) and perfluorooctanoic acid (PFOA) were detected at 6.92 ? 4.72 ng/g ww and 0.674 ? 0.993 ng/g ww, respectively. In particular, F-53B, a major alternative to PFOS was detected in each year of the study period with a level of up to 6.66 ng/g ww in all egg samples. Significant increasing temporal trends were observed for PFOS, perfluorononanoic acid (PFNA) and one alternative (F-53B) during the investigated period suggesting continuous use or accumulation of these in the Korean environment. Moreover, distinctive spatial distribution patterns such as a significantly higher F-53B level in HD and an increased PFAS (< C11) in BLD were also observed.
URI
https://scholarworks.unist.ac.kr/handle/201301/52899
URL
https://www.sciencedirect.com/science/article/pii/S0304389420330272?via%3Dihub
DOI
10.1016/j.jhazmat.2020.125036
ISSN
0304-3894
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