Origin attribution of polychlorinated dibenzo-p-dioxins and dibenzofurans in sediment and soil from a Japanese freshwater lake area through congener-specific data analysis

被引：33
|
作者：
Sakurai, T
Suzuki, N
Masunaga, S
Nakanishi, J
机构：
[1] Kanazawa Inst Technol, Nonoichi, Ishikawa 921, Japan
[2] Yokohama Natl Univ, Inst Environm Sci & Technol, Kanagawa 240, Japan
[3] CREST, Japan Sci & Technol Corp, Kawaguchi 332, Japan
[4] Univ Tokyo, Dept Urban Engn, Bunkyo Ku, Tokyo 113, Japan
来源：
CHEMOSPHERE | 1998年 / 37卷 / 9-12期
关键词：
D O I：
10.1016/S0045-6535(98)00282-3
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
Polychlorinated dibenzo-p-dioxins and polychlorinated dibenzofurans (PCDDs/PCDFs) in sediment and soil from a freshwater lake area were congener-specifically determined. The obtained data were examined to estimate the major origins of these compounds, with the aid of principal component analysis (PCA). Four major principal components (PCs) were obtained, and three of them were attributed to PCDDs/PCDFs in the atmosphere, in a diphenyl ether herbicide and in pentachlorophenol, based on congener-specific comparisons with references. One PC remained unattributed. These four were interpreted as the major origins of PCDDs/PCDFs in the area. The relative influence of the origins was also investigated. (C) 1998 Elsevier Science Ltd. All rights reserved.
引用
收藏
页码：2211 / 2224
页数：14
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