Polychlorinated biphenyls in sediments of Osaka Bay and Lake Biwa, Japan

被引：0
作者：
Sakai, S
Hayakawa, K
Ninomiya, T
Deguchi, S
Takatsuki, H
机构：
[1] Natl Inst Environm Studies, Tsukuba, Ibaraki 3058506, Japan
[2] Kaneka Technol Res Co Ltd, Takasago, Hyogo 6768688, Japan
[3] Kyoto Univ, Environm Preservat Ctr, Sakyo Ku, Kyoto 6068501, Japan
[4] URSIN Inc, Kita Ku, Osaka 5300047, Japan
来源：
FRESENIUS ENVIRONMENTAL BULLETIN | 2003年 / 12卷 / 02期
关键词：
polychlorinated biphenyls (PCBs); sediment; historical trend; deposition flux; principal component analysis (PCA); sources;
D O I：
暂无
中图分类号：
X [环境科学、安全科学];
学科分类号：
08 ; 0830 ;
摘要：
We analyzed PCBs in sediment cores from Osaka Bay (an industrial area), Lake Biwa (both suburban and rural areas), and a background sampling area in Japan. The historical trends in PCB levels nearly matched the trends in Japanese PCB production. The deposition flux of PCBs was in the order of Osaka Bay > Lake Biwa > background sampling area. Principal component analysis was applied to profiles of dioxin-like PCB congeners. Two principal components were interpreted as the degree of chlorination and the contribution of incineration by-product, respectively.
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页码：111 / 116
页数：6
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