UMAN – a pluralistic view of uncertainty management

Decisions associated with Radioactive Waste (RW) Management programmes are made in the presence of irreducible and reducible uncertainties. Responsibilities roles each actor, nature RW disposal programme stage its implementation influence preferences category actors approaching uncertainty management. UMAN (UMAN – Uncertainties Multi-Actor Network is a Work Package European Programme EURAD) carries out strategic study about management uncertainties based on extended exchanges among representing Organisations, Technical Support Research Entities Civil Society, review knowledge generated by past ongoing R&D projects, findings international organisations. discusses classification schemes approaches applied management, identifies possible actions to be considered treatment. The relevance for safety waste inventory, including spent fuel, near-field, site geosphere human aspects, as perceived type actors, used their explored aim reach either common understanding how relate risk deal them along implementation, or at least arrive mutual individual view. Finally, assessed highly significant issues that can further investigated being identified.