Tank Waste Retrieval, Processing, and On-site Disposal at Three Department of Energy Sites: Final Report

Authors

Committee on the Management of Certain Radioactive Waste Streams Stored in Tanks at Three Department of Energy Sites, National Research Council

Description

DOE Tank Waste: How clean is clean enough? The U.S. Congress asked the National Academies to evaluate the Department of Energy s (DOE s) plans for cleaning up defense-related radioactive wastes stored in underground tanks at three sites: the Hanford Site in Washington State, the Savannah River Site in South Carolina, and the Idaho National Laboratory. DOE plans to remove the waste from the tanks, separate out high-level radioactive waste to be shipped to an off-site geological repository, and dispose of the remaining lower-activity waste onsite. The report concludes that DOE s overall plan is workable, but some important challenges must be overcome including the removal of residual waste from some tanks, especially at Hanford and Savannah River. The report recommends that DOE pursue a more risk-informed, consistent, participatory, and transparent for making decisions about how much waste to retrieve from tanks and how much to dispose of onsite. The report offers several other detailed recommendations to improve the technical soundness of DOE's tank cleanup plans.

Front Matter i-xii
Executive Summary 1-2
Summary 3-9
I Introduction 10-12
II Background and Overview of the Current Situation 13-33
III Tank Waste Retrieval 34-50
IV Processing and Treatment of Retrieved Tank Waste 51-61
V Tank Grouting and Closure 62-71
VI Performance Assessment 72-83
VII Monitoring 84-90
VIII Decision-Making Process 91-100
IX Focused Research and Development Needs 101-111
X Illustrative Example of the Recommended Decision-Making Process 112-120
XI Conclusions 121-126
References 127-136
Appendix A Biographical Sketches of Committee Members 137-142
Appendix B Statement of Task 143-143
Appendix C Section 3116, Order 435.1, and Performance Objectives 144-147
Appendix D Information-Gathering Meetings 148-150
Appendix E Interim Report Summary and Follow-up 151-158
Appendix F Waste Retrieval Status 159-162
Appendix G Tank Waste Retrieval Techniques and Experience at West Valley and Oak Ridge 163-182
Appendix H Features of a Good Monitoring Program 183-185
Appendix I Performance Assessment Process 186-189
Appendix J Relevant Maps of the Three Sites 190-196
Appendix K Glossary 197-202

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Tank Waste Retrieval, Processing, and On-site Disposal at Three Department of Energy Sites:

Final Report (2006)

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Tank Waste Retrieval, Processing, and On-site Disposal at Three Department of Energy Sites:

Final Report (2006)

Overview

Authors

Description

Table of Contents

Front Matter i-xii

Executive Summary 1-2

Summary 3-9

I Introduction 10-12

II Background and Overview of the Current Situation 13-33

III Tank Waste Retrieval 34-50

IV Processing and Treatment of Retrieved Tank Waste 51-61

V Tank Grouting and Closure 62-71

VI Performance Assessment 72-83

VII Monitoring 84-90

VIII Decision-Making Process 91-100

IX Focused Research and Development Needs 101-111

X Illustrative Example of the Recommended Decision-Making Process 112-120

XI Conclusions 121-126

References 127-136

Appendix A Biographical Sketches of Committee Members 137-142

Appendix B Statement of Task 143-143

Appendix C Section 3116, Order 435.1, and Performance Objectives 144-147

Appendix D Information-Gathering Meetings 148-150

Appendix E Interim Report Summary and Follow-up 151-158

Appendix F Waste Retrieval Status 159-162

Appendix G Tank Waste Retrieval Techniques and Experience at West Valley and Oak Ridge 163-182

Appendix H Features of a Good Monitoring Program 183-185

Appendix I Performance Assessment Process 186-189

Appendix J Relevant Maps of the Three Sites 190-196

Appendix K Glossary 197-202

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