ATMOSPHERIC PCB DEPOSITION IN FINLAND DURING 1970S AND 1980S ON THE BASIS OF CONCENTRATIONS IN OMBROTROPHIC PEAT MOSSES (SPHAGNUM)

被引：10

作者：

HIMBERG, KK ^{[1
]}

PAKARINEN, P ^{[1
]}

机构：

[1] UNIV HELSINKI,DEPT BOT,SF-00014 HELSINKI,FINLAND

来源：

CHEMOSPHERE | 1994年 / 29卷 / 03期

关键词：

D O I：

10.1016/0045-6535(94)90431-6

中图分类号：

X [环境科学、安全科学];

学科分类号：

08 ; 0830 ;

摘要：

Sphagnum moss samples were congener-specifically analysed for polychlorinated biphenyls. Mean total PCB concentration in the study material (surface moss) was 140 ng/g in southern and 51 ng/g in northern Finland. Tri- and tetrachlorobiphenyls are responsible for more than half of the total concentration in moss with PCB congeners 18, 28, 33, 52 and 101 dominating. Estimates of atmospheric deposition for two ombrotrophic peat bogs in southern Finland ranged from 13 to 63 mug/m2/yr and showed consistent decrease from 1970s to 1980s.

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收藏

页码：431 / 440

页数：10

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