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Comparison of tools and protocols for groundwater sampling

Abstract : Prevention or management of pollution of groundwater is based on sampling. Sampling leads to determine the water quality and in case of failure, to understand origin and evolution. Data must be reliable, the representativeness of a groundwater sample is essential. But obtain a sample which is “representative” of the water quality in the surrounding geological formation is partly related to the tools and protocols used. Remarkable progress has been done in site characterization, monitoring and field instrumentation over the past 25 years but some issues remain and profession lack of demonstration to clarify certain choices on tools and protocols both best suited to the situation encountered and also to the sampling purpose : use passive or active sampling technique ? use multilevel sampling ? loss of Volatile Organic Compounds ? influence of vertical flows in wells ? influence of purge ? influence of filtration, decantation (site or laboratory) ?... A comparison of existing technology, whether or not conventionally employed by operators, is currently underway by INERIS with academic and private partners - period 2014 to 2017.
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Submitted on : Tuesday, August 28, 2018 - 10:58:43 AM
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  • HAL Id : ineris-01863158, version 1



Fabrice Quiot, Nicolas Diard, Mathieu Hubner. Comparison of tools and protocols for groundwater sampling. 14. International Conference on Sustainable Use and Management of Soil, Sediment and Water Resources (AquaConSoil 2017), Jun 2017, Lyon, France. ⟨ineris-01863158⟩



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