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제주도 항내 퇴적물 중의 PCBs의 분포 특성

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Alternative Title
Distribution Characteristics of Polychlorinated Biphenyls in Sediments inside Harbors of Jeju Island
Abstract
Polychlorinated biphenyls (PCBs) were measured in surface sediments collected
three times (June, October, December, 2013), inside Jeju Harbor, Seogwipo
Harbor, Songsanpo Harbor, and Hallim Harbor (where a lot of steady shipping
occurs) as major harbors of Jeju Island. From the results, their horizontal
distribution and the correlation between PCBs concentrations and each of organic
carbon and particle size distribution were examined. In addition, their levels
were compared with the sediment quality guidelines applied in foreign countries
for PCBs. The results obtained were summarized as follows:
1. The concentrations of PCBs inside Jeju Harbor, Seogwipo Harbor, Songsanpo
Harbor, and Hallim Harbor, were in the range of 1.62∼4.45 (mean 2.65) ng/g
, 0.84∼4.23 (mean 2.03) ng/g, 0.10∼0.44 (mean 0.24) ng/g, 0.17∼0.73 (mean
0.41) ng/g on a dry weight basis, respectively, decreased in the following
sequences: Jeju Harbor> Seogwipo Harbor> Hallim Harbor> Songsanpo
Harbor, and the levels were very low, as compared with those in other areas
of the world.
2. In the analysis of PCBs homologue patterns, high-chlorinated PCB congeners
(above hexa-chlorinated congeners) were dominant in surface sediments
inside Jeju Harbor and Seogwipo harbor, indicating that their sources were
originated from shipping activity. However, in surface sediments inside
Songsanpo Harbor and Hallim harbor, it was difficult to assume their possible
sources because of different patterns with the stations or their indistinctive
patterns.
3. In the relationships between PCBs concentrations and organic carbon contents,
the significant correlations (r2= 0.8337, 0.8532, 0.7466, 0.7723 for Jeju Harbor,Seogwipo Harbor, Songsanpo Harbor, and Hallim Harbor, respectively) were
obtained, indicating that the distribution of PCBs was affected by the organic
carbon.
4. In the relationships between PCBs concentrations and particle size (mud, sand
and gravel) in surface sediments, PCBs concentrations were higher in the
sediments with higher mud content, indicating that higher PCBs were
distributed with increasing sediments of fine gradules.
5. The PCBs concentrations in surface sediments in this study were very low,
compared with ER-L (effect range-low) and TEL (threshold effects level)
among sediment quality guideleines (SQGs) applied in foreign countries, such
as USA, Canada, and Australia, etc), indicating that their biological effects on
the bottom organisms in marine environment were expected to be very low.
Author(s)
허륜용
Issued Date
2015
Awarded Date
2015. 8
Type
Dissertation
URI
http://dcoll.jejunu.ac.kr/jsp/common/DcLoOrgPer.jsp?sItemId=000000007306
Alternative Author(s)
Heo, Ryun Yong
Department
대학원 환경공학과
Table Of Contents
Ⅰ. 서론 1
Ⅱ. 이론적 고찰 3
1. PCBs의 특성 3
1) PCBs의 물리화학적 성질 및 용도 3
2) PCBs의 오염원 및 거동 7
3) PCBs의 독성 8
2. 퇴적물 중 PCBs의 오염기준 9
Ⅲ. 연구내용 및 방법 11
1. 연구대상 지역 11
2. 조사방법 14
1) 시료채취 14
2) 시료분석 14
① PCBs의 분석 25
② QA/QC 21
③ 유기탄소의 측정 23
④ 입도분석 23
Ⅳ. 결과 및 고찰 24
1. PCBs의 농도분포 특성 24
1) 농도분포 24
2) 본 연구지역과 타지역간의 비교 32
3) 동족체 분포특성 35
2. 농도분포와 퇴적물 조성과의 상관성 40
1) 유기탄소와의 상관성 40
2) 입도와의 상관성 43
3. 퇴적물 오염기준과 비교 48
Ⅴ. 결론 49
Ⅵ. 참고문헌 51
Degree
Master
Publisher
제주대학교 대학원
Citation
허륜용. (2015). 제주도 항내 퇴적물 중의 PCBs의 분포 특성
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