Following is a list of presentations received by the committee during its information-gathering meetings, which were open to the public and included opportunities for public comment.

Background on Congressional Request to Do the Study, Congressman John Spratt, D., South Carolina, member House Armed Services Committee and ranking member House Budget Committee, and Mike Lieberman, Legislative Assistant to Congressman John Spratt

Environmental Management, Keeping Our Commitments: Proven to Deliver, Paul Golan, Principal Deputy Assistant Secretary for Environmental Management, U.S. Department of Energy (DOE-EM)

Department of Energy Tank Wastes, Ken Picha, Engineer, DOE-EM

NRC’s [U.S. Nuclear Regulatory Commission’s] Role in Waste Determinations, Larry Camper, Director, Division of Waste Management and Environmental Protection, Office of Nuclear Materials Safety and Safeguards, NRC

NRC’s Previous WIR [Waste Incidental to Reprocessing] Reviews, Scott Flanders, Deputy Director, Division of Waste Management and Environmental Protection, NRC

States’ Perspectives, Mike Wilson, Nuclear Waste Program, Washington State Department of Ecology, and Kathleen Trever, Manager, Idaho National Laboratory Oversight Program

Environmental Public Interest Group, Tom Cochran and Geoff Fettus, Natural Resources Defense Council

Tour of F Tank Farm, H Tank Farm, Saltstone Facility, and Pump Test Tank at TNX

Characteristics and Understanding of SRS Tank Farm Waste, Scott Reboul and Pete Hill, Westinghouse Savannah River Company (WSRC)

Tank Waste Removal Processes, Doug Hintze, Director, Waste Disposition Programs Division, U.S. Department of Energy Savannah River Operations Office (DOE-SR)

Savannah River Site Removed Waste Treatment Overview, Terrel J. Spears, Director, Salt Processing Division, DOE-SR

Savannah River Site Meeting Performance Objectives for On-site Disposition of Tank Waste, Sherri Ross, Engineer, Programs Division, DOE-SR

Savannah River Site Concentration Averaging, Challenges, and Factors of Safety for On-site Disposition of Tank Waste, Sherri Ross, Engineer, Programs Division, DOE-SR

Monitoring Activities, James Heffner, WSRC

NRC’s Previous SRS WIR Review, Anna Bradford, Senior Project Manager, Division of Waste Management and Environmental Protection, Office of Nuclear Material Safety and Safeguards, NRC

NRC’s Technical Review of Tank Closure at SRS, David Esh, Senior Systems Performance Analyst, Division of Waste Management and Environmental Protection, Office of Nuclear Material Safety and Safeguards, NRC

South Carolina Department of Health and Environmental Control (SCDHEC), David Wilson and Shelly Sherrit, SCDHEC

Waste Removal and Treatment Technology, Tom Caldwell, Program Integration and Technology, Closure Business Unit, WSRC

Strontium-Actinide Separations, David T. Hobbs, Advisory Scientist, Waste Treatment Technology, Savannah River National Laboratory (SRNL)

Waste Treatment Technology for On-site Dispositioned Streams: Caustic-Side Solvent Extraction, Harry D. Harmon, Development Manager, Tank Focus Area Salt Processing Project Research and Development Program, Pacific Northwest National Laboratory

Tank Closure Grouts, Christine A. Langton, Advisory Scientist, SRNL

Waste Disposition Heel Removal, Noel F. Chapman, Engineering Manager, Tank Closure Projects, WSRC

High-Level Waste System Analysis, Mark Mahoney, Program Integration and Technology, Closure Business Unit, WSRC

Tank Space Overview, Mark Mahoney, Program Integration and Technology, Closure Business Unit, WSRC

Safety Case, Doug Hintze, Director, Waste Disposition Programs Division, DOE-SR

Removal of Heels—Bases for Decisions and Methods of Testing, Tom Caldwell, DOE-SR

Monitoring Activities, James Heffner and Daniel Wells, WSRC

Performance Assessment Results in Waste Determination, Elmer Wilhite, James Cook, SRNL

Grout Waste Form—Mixing, Encapsulation, Durability, and Performance, Christine A. Langton, SRNL, and Tom Caldwell, DOE-SR

SRS Waste Tank Sampling Programs, Peter J. Hill, Scott H. Reboul, and Bruce A. Martin, WSRC

Salt Waste Processing Facility (SWPF) Project Line Item 05-D-405, Project Status Review, Terrel J. Spears, Federal Project Director, Salt Processing Division, DOE-SR

The National Academies: River Protection Project Overview, Roy Schepens, Manager, U.S. Department of Energy Office of River Protection (DOE-ORP)

The National Academies: Opening Remarks, Roy Schepens, Manager, DOE-ORP

Understanding of Hanford Tank Wastes, Jim Honeyman, CH2M Hill Hanford Group, Inc.

The National Academies: The Certain Tank Waste Committee [Committee on Management of Certain Radioactive Waste Streams Stored in Tanks at Three DOE Sites] Use of Characterization Information in Determining Tank Waste Disposition, Don Wodrich, YAHSGS LLC

Immobilized Low-Activity Waste (ILAW) Properties and Disposal in Integration Disposal Facility, Dr. Frederick M. Mann, CH2M Hill Hanford Group, Inc.

Waste Retrieval Technologies, Ryan A. Dodd, Vice President, Closure Operations C Farm Project, CH2M Hill Hanford Group, Inc.

The National Academies: The Certain Tank Waste Committee Tank Waste Residuals, William Hewitt, YAHSGS LLC, and Terry Sams, CH2M Hill Hanford Group, Inc.

The Certain Tank Waste Committee Discussion of WMA [Waste Management Area] Cleanup and Closure/Tank Closure Technologies, Terry L. Sams, CH2M Hill Hanford Group, Inc.

Pre- and Post-closure Monitoring, Moses Jaraysi, CH2M Hill Hanford Group, Inc.

The National Academies: The Certain Tank Waste Committee Radionuclide Removal Technologies and Law and Secondary Waste, Bill Hamel and Billie Mauss, DOE-ORP

Scientific and Technological Challenges, Jim Honeyman, CH2M Hill Hanford Group, Inc.

Historical Perspectives on Current Challenges by Hanford Retired Technical Experts, John L. Swanson, Harry Babad, and Robert C. Roal

Remarks to the National Academies Committee on Management of Certain Radioactive Waste Streams Stored in Tanks at Three DOE Sites (The Certain Tank Wastes Committee), Nick Ceto, Program Manager, Hanford/ INL Project Office, U.S. Environmental Protection Agency (USEPA), Region 10, Richland, Washington

National Academy of Sciences Hanford Public Meeting Washington State Department of Ecology Comments, Jane Hedges and Suzanne Dahl, Nuclear Waste Program

Oregon Department of Energy, Ken Niles and Dirk Dunning, Nuclear Safety Division

Yakama Nation, Russell Jim, Director, Environmental and Waste Management Program and Ray Givens, Attorney, Yakama Nation

Nez Perce Tribe, Gabriel Bohnee, Director, Environmental Restoration and Waste Management

Interpreted Extent of Subsurface Contamination Resulting from the 241-BX-102 Tank Leak, Stan Sobczyk, Environmental Restoration and Waste Management, Nez Perce Tribe

Hanford Advisory Board, Todd Martin, Chair

Overview of Reprocessing, Waste Generation, Tank Farm, and Calcine Storage, Keith Lockie, U.S. Department of Energy, Idaho Operations Office (DOE-ID)

Overview of Tank Cleaning Experience, Keith Quigley, Project Manager, CH2M-WG Idaho

Tank Farm Contaminated Soils and Groundwater, Lorie S. Cahn, Tank Farm Soils Technical Lead, CH2M-WG Idaho

INL Opening Remarks, John Kotec, DOE-ID Deputy Manager

Origin and Characteristics of Idaho Tank Waste, Arlin Olson, Idaho National Laboratory, Battelle Energy Alliance

Plans for Cleaning and Closure of Idaho Tank Farm

Overview of Tank Closure Scope and Objectives, Keith Locke, DOE-ID

Development of Tank Cleaning and Grouting Approaches —Tank Cleaning Experiences to Date, Keith Quigley, CH2M-WG Idaho

Analytical Results of Tank Cleaning to Date, Nick Stanisich, Portage Environmental

Remote Jet Grouting of Residual Waste Heels, Joe Faldowski, Senior Project Manager, AEA Technology Engineering Services, Inc.

Calcine Characteristics and Plans for Calcine Retrieval and Disposal, Mike Patterson, CH2M-WG Idaho

Safety of Closure Activities: Idaho Tank Farm Closure Performance Assessment, Dave Thorne and Nick Stanisich, Portage Environmental

Historical Perspectives on Current Challenges by INL Retired Technical Experts, Ernie Nieschmidt, John Commander, Bill Echo, Richard Green, and Dean Maindiloff

NRC’s [U.S. Nuclear Regulatory Commission’s] Incidental Waste Reviews at INEEL [INL], David Esh, Division of Waste Management and Environmental Protection, Office of Nuclear Material Safety and Safeguards, NRC

INL Citizens Advisory Board, David Kipping, Chair

Shoshone-Bannock Tribal Nations, Willie Preacher

State of Idaho, Kathleen Trever, Manager, Idaho National Laboratory Oversight Program