Appendix B
Information Used by the Committee During Its Review

A) Presentations to the committee by various groups, especially by representatives of the Mixed Waste Focus Area (MWFA) of the DOE Office of Science and Technology

Overview of the Mixed Waste Problem, November 19–20, 1996, John Kolts, DOE—Idaho.

  An overview of the mixed waste problem, including inventory, mission, MWFA organization, MWFA activities, technology deficiencies, and technology development requirements. (DOE, 1995a).

Mixed Waste Focus Area, Waste Form Initiative, November 16, 1996, Ron Nakaoka, DOE—Idaho.

  A description of the Mixed Waste Focus Area, including background, the MWFA Waste Form Initiative, status of MLLW disposal facilities, Waste Acceptance Criteria for existing MLLW disposal facilities, and issues associated with MLLW disposal. The presentation described current technology deficiencies, the performance evaluation by Sandia National Laboratories, and the status of MLLW disposal sites. (DOE, 1996a).



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--> Appendix B Information Used by the Committee During Its Review A) Presentations to the committee by various groups, especially by representatives of the Mixed Waste Focus Area (MWFA) of the DOE Office of Science and Technology Overview of the Mixed Waste Problem, November 19–20, 1996, John Kolts, DOE—Idaho.   An overview of the mixed waste problem, including inventory, mission, MWFA organization, MWFA activities, technology deficiencies, and technology development requirements. (DOE, 1995a). Mixed Waste Focus Area, Waste Form Initiative, November 16, 1996, Ron Nakaoka, DOE—Idaho.   A description of the Mixed Waste Focus Area, including background, the MWFA Waste Form Initiative, status of MLLW disposal facilities, Waste Acceptance Criteria for existing MLLW disposal facilities, and issues associated with MLLW disposal. The presentation described current technology deficiencies, the performance evaluation by Sandia National Laboratories, and the status of MLLW disposal sites. (DOE, 1996a).

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--> Treatment and Stabilization of Mixed Wastes, Waste Form Testing and Evaluation, March 13, 1997, Ian L. Pegg, Vitreous State Laboratory, The Catholic University of America, Washington, D.C.   A discussion of waste form types, evaluation criteria, EPA hazardous waste regulations and tests, waste form performance and standard test methods, long-term performance testing of a glass waste from Savannah River, and a discussion of leaching mechanisms. Mixed Waste Focus Area Waste Form Initiative—Technical Basis, Strategy and Plans, March 13, 1997, Jenya Macheret, DOE Idaho.   A review and recapitulation of the current status of Mixed Waste Focus Area activities. Resource Conservation and Recovery Act: Overview and Mixed Waste Issues, March 13, 1997, Denise Glore, DOE—Idaho.   An overview of the EPA hazardous waste regulations as they affect the treatment and disposal of mixed waste. Contamination Attenuation Mechanisms: Dispersion, Sorption, and Degradation, March 13, 1997, Patrick V. Brady, Sandia National Laboratories.   A discussion of the mechanisms by which contaminants are naturally attenuated in soils and ground water. Results of Scoping-Level Analysis on Disposal of Treated LLW, March 13, 1997, Robert D. Waters, Sandia National Laboratories.   The approach used and the result of a performance evaluation of 15 sites. (Waters, 1996). Current Management of Non-DOE LLMW, June 28, 1997, Carey A. Johnson, EPA Office of Radiation and Indoor Air.   An overview of mixed waste problems outside the scope of DOE activities, such as research facilities (both medical and

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-->   non-medical), pharmaceutical research, medical applications, industrial applications, nuclear power plants, DOD, Superfund and RCRA cleanups. The presentation included a discussion of facilities that accept small quantities of radioactive materials (e.g., radioactive medical waste) for preprocessing and volume reduction Mixed Waste Focus Area Waste Form Initiative, September 15, 1997, Ron Nakaoka, DOE—Idaho.   A review of the status of the waste form initiative with emphasis on site follow-up to the conclusions regarding the technical capability of individual sites to dispose of the majority of the mixed waste. (DOE, 1997a). Mixed Waste Focus Area, September 15, 1997, Mike Connolly.   A review of the current status of mixed waste focus area efforts, including revisions to the prioritized list of technology deficiencies. Brief discussions of programs designed to address deficiencies such as the high temperature melter, characterization, TRU transportation, continuous emission monitors, mercury contamination, alternative organic oxidation, and salt and ash stabilization (DOE, 1997a). Status of DOE Privatization, September 15, 1997, Jan M. Chavez, DOE—Idaho.   A summary of budget and funding requests for major privatization efforts, including the Advanced Mixed Waste Treatment Project. Idaho National Engineering and Environmental Laboratory, Advanced Waste Treatment Project, September 15, 1997, BNFL, Inc.   An overview of a project to construct and operate a $1.16 billion facility at the Idaho site to treat approximately 25,000 cubic meters of waste.

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--> In addition to the presentations, much information and data were obtained in discussions with the presenters and in response to questions. B) Review of key DOE documentation The baseline Mixed Waste Inventory Report—1995 referred to by OST was examined. At the time of compilation, the database contained the most up-to-date information available concerning the DOE inventory of waste materials, including quantity, hazardous and radioactive constituents, and proposed grouping for treatment and evaluation of data completeness and integrity (DOE, 1995a). The Mixed Waste Focus Area has continued to revise and update inventory information. The latest edition of its report, "Mixed Waste Focus Area Technical Baseline Report," (DOE, 1997a) better describes expected treatment scenarios. A new prioritized list of technology deficiencies is presented. This report, in concert with the earlier version and the initial inventory, has been used as the basis for conclusions concerning characterization, needs for technology development, and applied engineering. In the report "Performance Evaluation of the Technical Capabilities of DOE Sites for Disposal of Mixed Low-Level Waste," (Waters, et al., 1996), Sandia National Laboratories evaluates the capability of DOE sites to dispose of mixed waste materials. C) Review of present disposal options A commercial disposal site, Envirocare of Utah was visited to understand how site parameters, site permits, and waste acceptance criteria affect the receipt of waste materials. The WIPP site was visited and WIPP waste acceptance criteria were studied in similar fashion.