eOde collaborators were at the 4th national research meetings on polluted sites and soils organised by ADEME. Hélène Demougeot-Renard gave a presentation entitled “Geostatistical mapping of sanitary risks for brownfield conversion” and Sonia Tarnawski presented a poster on “An integrative approach for assessing and monitoring the reductive dechlorination of chlorinated ethenes in contaminated aquifers – Treatability assessment and site monitoring ».