Waste Technology Section

International Low Level Waste Disposal Network (DISPONET)


Regional Training Course On Identifying And Managing Uncertainty For Post-Closure Safety Assessment In Support Of Repository Development Programmes

18—22 June 2012, Lisbon, Portugal

Held jointly with URF Network


day 1


Welcome, introduction to course

Introduction to uncertainty

Uncertainty in radioactive waste repository management

International standards and regulatory requirements

Overview of main elements in a disposal safety case

Overview of safety assessment approaches and methodologies


day 2


Introduction to exercise

Describing uncertain variables

Exercise – describing uncertain variables

Uncertainty in conceptual models and scenarios

Expert judgment and Bayesian updating


day 3


Propagation of uncertainty through calculations

Exercise – Propagating uncertainty in calculations

Exercise – Uncertainty in conceptual models

Exercise – Uncertainty in scenarios


day 4


Exercise – Summarise uncertainty in assessment, present and discuss

Strategies for treatment of uncertainty
and discussion


day 5


Examples of how uncertainty has been managed and communicated

Exercise – Develop a plan for managing uncertainty

Discussion of work activities

Course summary


Group Picture taken at the Regional Training Course on Identifying and Managing Uncertainty for Post-Closure Safety Assessment in Support of Repository Development Programmes - 18—22 June, Lisbon, Portugal

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