Table of contents: Foreword Executive Summary 1. Introduction -Definitions -Objectives of the Study -Scope of the Study -Working Method -Other Relevant International Studies 2. Decommissioning Policies and Strategies -Decommissioning Policy -Decommissioning Strategies 3. Decommissioning Cost Estimating and Funding Approaches -Elements of Decommissioning Cost Estimates -Approaches for Estimating Costs -Funding Aspects 4. Decommissioning Cost Data -Reactor Types and Sizes -Reactor History and Decommissioning Schedule -Cost Data Reporting and Conversion -Summary Presentation of Cost Data 5. Analysis of Cost Drivers -Type of Reactor -Size of Reactor -Number of Units on the Site -Operating History -Scope of Decommissioning Activities -Decommissioning Strategy Options -Site Re-Use -Clearance and Classification Levels -Regulatory Standards -Amount of Waste -Availability of Radioactive Waste Repositories -Uncertainties and Uncertainty Treatment -Labour Costs -Social and Political Factors 6. Conclusions -Decommissioning Policy and Strategy -Cost Variability -Effect of Decommissioniong Strategy on Cost -Waste Volumes, Management, and Disposal -Overall Concluding Remarks Annex 1. Members of the Expert Group, Contributors to the Report, and Respondents to the Questionnaire Annex 2. Questionnaire