HISTORICAL RECORD OF POLYCHLORINATED DIBENZO-P-DIOXINS AND DIBENZOFURANS IN SWISS LAKE-SEDIMENTS

被引：51

作者：

CZUCZWA, JM

NIESSEN, F

HITES, RA

机构：

[1] INDIANA UNIV, DEPT CHEM, BLOOMINGTON, IN 47405 USA

[2] SWISS FED INST TECHNOL, INST GEOL, CH-8092 ZURICH, SWITZERLAND

来源：

CHEMOSPHERE | 1985年 / 14卷 / 09期

关键词：

D O I：

10.1016/0045-6535(85)90139-0

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 (PCDD) and polychlorinated dibenzofurans (PCDF) were found in annually laminated sediments from Lakes Zurich, Baldegg, and Lugano in Switzerland. Octachlorodibenzo-p-dioxin (OCDD) predominated, averaging approximately 1.3 ppb. The congener distribution indicated that combustion was the source of PCDD and PCDF in these sediments. In these dated sediment cores, we found that PCDD and PCDF were absent from the sediments before about 1945, but increased thereafter.

引用

页码：1175 / 1179

页数：5

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