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Collaborative trial on groundwater sampling

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Résumé

The trial presented here was conducted by BRGM in collaboration with LNE under the work program AQUAREF 2009 with the support of ONEMA. This is a collaborative trial on groundwater sampling and on field physico chemical measurement. It is not a proficiency test. He had three goals: * Observe and evaluate the practices of groundwater sampling to improve future guides, standards and specifications. * Assess the impact of sampling on variability of results. * Study the accuracy of field measurements (pH, conductivity, dissolved oxygen, temperature). This test took place from 22 to 26 June 2009. It took place on a piezometer located in the city of La Chapelle Saint Luc in the suburbs of Troyes. During the week of the trial, 9 teams of samplers (laboratories and offices), selected first among regular samplers working with water agencies and among members of the national working group on sampling, conducted sampling during half a day according to their usual procedure (duplicate samples to analyze well defined chemical parameters). The samples were then given to BRGM for analysis (except analysis of volatile organic compounds at IPL). In parallel, LNE has tested the accuracy of the physico-chemical field measurements (pH, conductivity, dissolved oxygen, temperature).
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Dates et versions

hal-00663884 , version 1 (03-02-2012)

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  • HAL Id : hal-00663884 , version 1

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Jean Philippe Ghestem, Paula Fisicaro, Rachel Champion. Collaborative trial on groundwater sampling. Groundwater conference 2011, Mar 2011, Orléans, France. ⟨hal-00663884⟩
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