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首页> 外文期刊>Environmental Research. Section A >Monitoring of PCDD/Fs in a mountain forest by means of active and passive sampling.
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Monitoring of PCDD/Fs in a mountain forest by means of active and passive sampling.

机译：Monitoring of PCDD/Fs in a mountain forest by means of active and passive sampling.

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摘要

Polychlorinated dibenzo-p-dioxins and dibenzofurans (PCDD/F) are sampled and investigated in a forested area in Middle-Europe. The campaigns, consisting in active and passive samplings, were conducted in the Bavarian and Bohemian Forest at four sites chosen for their similar soil and forest stand characteristics. Passive sampling was conducted using both semi-permeable membrane devices (SPMDs) and needles of well-exposed dominant spruce trees. Active air sampling was also performed at one site with a low volume air sampler. Correlations were performed to identify relationships and trends of PCDD/F. Lower chlorinated PCDD/F are accumulated in SPMDs, needles collected all compounds among homologues and their PCDD/F pattern is close to that of active sampling. Results of the analysed compounds obtained with the different sampling methods served as a basis for the establishment of advantages and disadvantages of the sampling tools applied and their possible optimisation.

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