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Variabilité de l’échantillonnage d’un milieu aquatique

Abstract : With the support of the French River Basin Agencies (RBAs), the French Ministry of Ecology and its local offices, INERIS organised a collaborative field trial in June 2007 on a minor tributary of the River Seine near Paris. This trial was the first attempt to improve knowledge of the effect, in natural river water, of sampling activity undertaken as part of regulatory monitoring. The Epône sampling spot was selected for its central location, because its rural characteristics are representative of the majority of the RBAs’ sampling stations, and because it enabled more than 40 people to be brought together in a secure environment. The selected monitoring parameters were: - pH, oxygen, temperature and conductivity (field parameters); - suspended particulate matter (SPM), nitrites, orthophosphates, barium, di-2-éthylhexyle phtalate (DEHP), and one OHV, tetrachloroethylene (parameters to be analysed in a laboratory). The aim of this study was to evaluate several sampling procedures, including standardized ones, to determine the variability induced by sampling operations compared to subsequent analytical processes. “Sampling activities” include sampling performance and external inputs, e.g. weather. Individual field observations were also performed in order to understand the reasons for reference methods not being rigorously followed and to propose improvements that will make these methods more acceptable to the sampling staff, and thus more reliable. Solutions were developed to overcome the difficulties in the data interpretation caused by climate conditions during the trial.
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Submitted on : Thursday, September 6, 2018 - 1:12:29 PM
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  • HAL Id : ineris-01869269, version 1



Marie-Pierre Strub. Variabilité de l’échantillonnage d’un milieu aquatique. Rapport Scientifique INERIS, 2010, 2009-2010, pp.20-23. ⟨ineris-01869269⟩



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