Long-term accumulation of metals and persistent pollutants (PAHs, PCBs, organochlorine pesticides) from Eure river watershed (France) in sediments: possible consequences of a dam removal THOMAS GARDES1,2,*, YAN LABERDESQUE1,2, EDOUARD PATEAU2, MAXIME DEBRET2, YOANN COPARD2, JULIEN DELOFFRE2, STÉPHANE MARCOTTE3, ANNE-LISE DEVELLE4, PIERRE SABATIER4, ERIC CHAUMILLON5, FLORENCE PORTET-KOLTALO1 1University of Rouen-Normandy, UMR CNRS 6014 COBRA, 55 rue Saint Germain, 27000 Evreux, France. 2University of Rouen-Normandy, UMR CNRS 6143 M2C, 3 place Emile Blondel, 76821 Mont-Saint-Aignan Cedex, France. 3INSA of Rouen, Normandy University, UMR CNRS 6014, avenue de l'Université, 76801 Saint-Etienne-du-Rouvray Cedex, France. 4University of Savoie Mont Blanc, UMR CNRS 5204 EDYTEM, 5 boulevard de la mer Caspienne, 73370 Le Bourget du Lac Cedex, France. 5University of La Rochelle, UMR CNRS 7266 LIENSs, 2 rue Olympe de Gouges, 17000 La Rochelle, France. *
[email protected] Table of contents 1. SCIENTIFIC CONTEXT : OSS 276 PROJECT 2. MATERIALS AND METHODS 2.1. The Eure Watershed 2.2. Core Sampling 2.3. Core Dating by XRF Core Scanner data comparison 3. LONG-TERM ACCUMULATION OF ORGANIC AND METALLIC POLLUTANTS 3.1. ∑16PAHs 3.2. ∑7PCBs 3.3. Trace-Metal Elements : Pb 4. CONCLUSIONS AND PROSPECTS 18-22 June 2017 - Thomas Gardes 16th ICCE 2017 - Oslo, Norway 2 SCIENTIFIC CONTEXT METERIALS AND METHODS LONG-TERM ACCUMULATION OF ORGANIC AND METALLIC POLLUTANTS CONCLUSIONS AND PROSPECTS • Context of the European Water Framework Directive (2000/60/CE)