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U.S. Department of Energy
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Review and assessment of radionuclide sorption information for the Basalt Waste Isolation Project site

Technical Report ·
OSTI ID:6657357
This document presents a scientific review and technological assessment of the radionuclide sorption information reported by the Basalt Waste Isolation Project (BWIP) for the candidate high-level waste repository in the Columbia River basalt flows in the Hanford Reservation. Quantified radionuclide sorption data are necessary for repository performance assessment calculations to model expected radioactivity release rates in groundwater-intrusion - groundwater-migration scenarios. Three key BWIP reports were identified which contain most of the sorption information for a number of radionuclides with basalt, secondary minerals, or interbed materials. An extended review of these data is presented in the document. The technological assessment identified seven potentially significant deficiencies in the radionuclide sorption information published by BWIP that could lead to questionable or nonconservative radioactivity release calculations. These deficiencies are discussed in the document in detail. Specific additional information needs were also defined and reported. 23 references.
Research Organization:
Oak Ridge National Lab., TN (USA)
DOE Contract Number:
AC05-84OR21400
OSTI ID:
6657357
Report Number(s):
NUREG/CR-3763; ORNL/TM-9157; ON: DE84010806
Country of Publication:
United States
Language:
English