Applicability of polar organic compound integrative samplers for monitoring pesticides in groundwater
2013
Berho, Catherine | Togola, Anne | Coureau, Charlotte | Ghestem, Jean-Philippe | Amalric, Laurence
Polar organic chemical integrative samplers (POCISs) for the monitoring of polar pesticides in groundwater were tested on two sites in order to evaluate their applicability by comparison with the spot-sampling approach. This preliminary study shows that, as in surface water, POCIS is a useful tool, especially for the screening of substances at low concentration levels that are not detected by laboratory analysis of spot samples. For quantitative results, a rough estimation is obtained. The challenge is now to define the required water-flow conditions for a relevant quantification of pesticides in groundwater and to establish more representative sampling rates for groundwater.
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