2015 | OriginalPaper | Chapter
Is enough information available to derive an overall EQS for uranium in French freshwaters, according to European Guidance?
Authors : Karine Beaugelin-Seiller, Olivier Simon, Rodolphe Gilbin, Jacqueline Garnier-Laplace, Laureline Février
Published in: Uranium - Past and Future Challenges
Publisher: Springer International Publishing
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An overall criterion for protecting freshwaters against uranium chemo-toxicity should encompass all the compartments of the freshwater environment at risk (water column, sediment, predators, and humans). According to the latest European recommendations, we revised the interim Environmental Quality Standard currently applicable in France, to introduce physico-chemical parameters affecting uranium bioavailability in water and therefore toxicity, by using chemical speciation modelling in aqueous phase including both mineral ligands and organic mat-ter. Additionally, we completed the poor available data set related to sediment toxicity by implementing dedicated standardized tests and we explored the question of secondary poisoning. Human health was also briefly considered, to fulfill the methodological requirements.