An End State Methodology for Identifying Technology Needs for Environmental Management, with an Example from the Hanford ... -- Copyright -- Acknowledgement of Reviewers -- Contents -- Summary -- THE APPROACH -- AN EXAMPLE -- CONCLUSIONS AND RECOMMENDATIONS -- Conclusions -- Recommendations -- 1 Introduction -- HIGH-LEVEL WASTE TANKS -- TANK WASTE REMEDIATION TECHNOLOGY DEVELOPMENT PROGRAM -- LAYOUT OF THE REPORT -- 2 Conceptual Approach to Defining Technology Development Requirements Based on End State Criteria -- DEFINITION, PURPOSE, AND MEANING OF AN END STATE BASED APPROACH -- BENEFITS AND LIMITATIONS OF THE APPROACH -- CHARACTERIZING THE INITIAL STATE -- REFERENCE AND ALTERNATIVE SCENARIOS -- END STATE SPECIFICATIONS -- DEFINING FUNCTIONAL FLOWSHEETS AND REQUIREMENTS -- FUNCTIONAL FLOWSHEETS CONSOLIDATION -- FUNCTIONAL REQUIREMENT ALLOCATION -- TECHNOLOGY ASSESSMENT -- PERFORMING TECHNOLOGY DEVELOPMENT -- SUMMARY -- End State Specifications -- Benefits of the End State Based Approach -- 3 Example of an End State Based Analysis of Technology Development Needs for the Hanford Tanks -- SCOPE -- CONDITIONS AFFECTING SCENARIO SPECIFICATION -- Initial Conditions -- Management Strategies -- END STATE ANALYSIS -- High-Level Waste -- Low-Activity Waste -- Tank Farm Closure -- Cross-Cutting Factors -- DEVELOPMENT OF FUNCTIONAL FLOWSHEETS -- Committee's Reference Scenario -- In Situ Disposal Scenario -- Extensive Separations Scenario -- Extreme Scenarios -- FUNCTIONAL FLOWSHEET CONSOLIDATION -- SUMMARY -- 4 Results of an End State Based Analysis of Technology Development Needs for the Hanford Tanks -- TECHNOLOGY DEVELOPMENT PROGRAM FOR HANFORD TANK WASTES -- TECHNOLOGY ASSESSMENT FOR SELECTED FUNCTIONS OF THE SCENARIOS -- Enhanced Sludge Washing -- Vitrifier Offgas Processing -- Stabilize Tanks Containing Unretrieved Waste.

Enhanced Barriers for Unretrieved Tanks and Waste -- SUMMARY AND CONCLUSIONS -- 5 Conclusions and Recommendations -- THE END STATE METHODOLOGY -- Conclusions -- Recommendations -- THE HANFORD EXAMPLE -- Conclusions -- Recommendation -- DOE TANK WASTE REMEDIATION TECHNOLOGY DEVELOPMENT PROGRAM -- Conclusions -- Recommendations -- GENERAL FACTORS -- Conclusions -- Recommendations -- Glossary -- References -- Appendix A Summary of Scenario-Based Studies of the Remediation of High-Level Waste in Tanks -- EVALUATING ALTERNATIVE STRATEGIES FOR TANK WASTE TREATMENT -- SCENARIO-BASED APPROACHES TO CHARACTERIZATION OF HANFORD TANKS WASTE AND TECHNOLOGY DEVELOPMENT -- SUPPORTING ANALYSES OF SAFETY AND ENVIRONMENTAL RISK -- SUMMARY -- REFERENCES -- Appendix B Management Strategies for Remediation of High-Level Waste at the Hanford Site -- REFERENCES -- Appendix C Statement of Task -- Appendix D Biographical Sketches of Committee Members.