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Journal of the Korean Society for Environmental Analysis 2017;20(4):279-290.
Concentration Distribution of Polychlorinated Biphenyls in Otter Scats from Active Construction Sites of the Busan New Port
부산신항만 공사 진행에 따른 수달 배설물 내 폴리클로로비페닐(PCBs)의 농도 분포
위성욱1, 오은하1, 이다희1, 박귀환1, 차현기2, 이용운4, 윤명희3, 김재령5, 문희1, 박철웅6, 송승리6, 허동화1, 양수인1
1경남대학교
2국립생태원
3경성대학교
1전남보건환경연구원
4전남대학교
5동일시마즈(주)
6전라남도보건환경연구원
Abstract
This study was conducted to investigate the contamination status and distribution of the isomers of polychlorinated biphenyls (PCBs) in otter (Lutra lutra) scats collected from 17 localities in 3 regions (I-III) near the Busan New Port from 2003 to 2014. Detectable levels of ΣPCBs were found in all the samples. The mean concentration of ΣPCBs ranged from 3.40 to 50.4 ng/g in three of the study regions. The levels of ΣPCBs in the three regions were compared. A relatively high level of ΣPCBs was detected in region I, where the construction works were the most active. However, this had no statistical significance. Congener profiles showed that PCB-153 (mean contribution=28%) was predominant, followed by PCB-138 (24%), PCB-118 (17%), PCB-180 (11%), and PCB-52 (5%). High levels of PCB-153 and PCB-138, which are usually found at high levels in fish, in the otter scats suggest that the PCBs might have originated from fish, which are the primary source of food for otters. The results obtained suggest that otters ingest PCBs when they consume contaminated fish in coastal areas with active construction works.
Key Words: PCBs, Eurasian otter, Lutra lutra, Scat, Busan New Port


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