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Issue 6, 2011
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Effects of sampling techniques on physical parameters and concentrations of selected persistent organic pollutants in suspended matter

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Abstract

This study focusses on the effect of sampling techniques for suspended matter in stream water on subsequent particle-size distribution and concentrations of total organic carbon and selected persistent organic pollutants. The key questions are whether differences between the sampling techniques are due to the separation principle of the devices or due to the difference between time-proportional versus integral sampling. Several multivariate homogeneity tests were conducted on an extensive set of field-data that covers the period from 2002 to 2007, when up to three different sampling techniques were deployed in parallel at four monitoring stations of the River Rhine. The results indicate homogeneity for polychlorinated biphenyls, but significant effects due to the sampling techniques on particle-size, organic carbon and hexachlorobenzene. The effects can be amplified depending on the site characteristics of the monitoring stations.

Graphical abstract: Effects of sampling techniques on physical parameters and concentrations of selected persistent organic pollutants in suspended matter

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Publication details

The article was received on 17 Jan 2011, accepted on 27 Apr 2011 and first published on 17 May 2011


Article type: Paper
DOI: 10.1039/C1EM10045A
J. Environ. Monit., 2011,13, 1579-1588

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    Effects of sampling techniques on physical parameters and concentrations of selected persistent organic pollutants in suspended matter

    T. Pohlert, G. Hillebrand and V. Breitung, J. Environ. Monit., 2011, 13, 1579
    DOI: 10.1039/C1EM10045A

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