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Position du groupe AQUAREF sur la question de l’utilisation des échantillonneurs intégratifs passifs (EIP) pour le prochain cycle de surveillance (2015-2021). Note complémentaire au rapport 2014. Volets Eaux littorales et continentales

Abstract : The AQUAREF group of experts has been asked to take position on the use of passive integrative samplers (PIS) in a Water Framework Directive (WFD) context. The main objective of this 2015 present note is to complete (as much as possible) the 2014 report concerning the possibility of using PIS in comparison with current regulatory surveillance, for the WFD reporting in coastal and continental waters. The SBSE extraction technique was also taken into account for hydrophobic organic substances, as this technique limits the drawbacks of water samples transport (substance degradation in water samples, extra-cost induced by sample volume and weight) for remote sites like French overseas territories. The AQUAREF group took in consideration: on the one hand the priority substances from the EQS directive (2013/39/CE directive) for which an EQS (environmental quality standard) defined as an annual average concentration is mentioned for water samples; on the other hand the specific pollutants for the determination of ecological state (25/01/2010 and 07/08/2015 French decrees) and the substances of the Marine Strategy Framework Directive (2008/56/EC directive). The methodology consists in checking, for each substances, if the sampling and analysis techniques, both conventional (used in laboratories which fulfill official criteria for water samples) and possible (for laboratories with SBSE and PIS expertise) can meet with the regulatory WFD requirements (Limit of Quantification ≤ EQS/3). This report summarizes the available knowledge regarding this question. As a conclusion, regarding the relevant substances for the determination of the ecological state, this knowledge is still very fragmentary, limiting the relevance of a comparison between PIS and classical sampling performances. The project of an in situ demonstration exercise concerning EIP relevance for water monitoring (2016-2019) shall aim at gathering useful information to progress on this question.
Keywords : SPMD SBSE
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Cecile Miege, Nicolas Mazzella, A. Yari, Marina Coquery, C. Tixier, et al.. Position du groupe AQUAREF sur la question de l’utilisation des échantillonneurs intégratifs passifs (EIP) pour le prochain cycle de surveillance (2015-2021). Note complémentaire au rapport 2014. Volets Eaux littorales et continentales. [Rapport de recherche] irstea. 2015, pp.20. ⟨hal-02605398⟩

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