Risk assessment methodology development for waste isolation in geologic media

Technical Report · Tue Jun 01 04:00:00 EDT 1982

OSTI ID:5292143

Stevens, C A; Fullwood, R R; Amirijafari, B; Basin, S L; Cohen, J; Kaul, D

This report constitutes the third phase of the review of reports prepared by Sandia for the USNRC; the first two phases were reported in Volumes 1 and 2 of NUREG/CR-1672. The reviewers generally agree that the compartment model used in Volume 1 to describe environmental transport is capable of accurately calculating the phenomena if suitable data is available. The sensitivity analysis of the environmental transport model as presented in Volume 2, was judged to be inferior to Volume 1. The reasons for selecting certain input variables for the sensitivity analysis are not clear. The input data and associated uncertainty ranges appear not to have been selected from real geophysical sources. The significance of results is not clear. Tabular and graphical results are not discussed. In Volume 3, the compartment model is used to derive the asymptotic values of Cm/sup 245/ concentration in sub-zones of ground water, soil, surface water and sediment. Methodology is not discussed; nor how the study can be used in an overall risk assessment of a waste repository. (PSB)

• Research Organization: Science Applications, Inc., Palo Alto, CA (USA)
• OSTI ID: 5292143
• Report Number(s): NUREG/CR-1672-Vol.3; SAI-288-82-PA-Vol.3; ON: DE82905156
• Country of Publication: United States
• Language: English

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54 ENVIRONMENTAL SCIENCES
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
BIOSPHERE
CONTROL
CURIUM 245
CURIUM ISOTOPES
ECOLOGICAL CONCENTRATION
ENVIRONMENT
ENVIRONMENTAL EXPOSURE PATHWAY
ENVIRONMENTAL TRANSPORT
EVEN-ODD NUCLEI
FORECASTING
GEOLOGIC DEPOSITS
GROUND WATER
HEAVY NUCLEI
HYDROGEN COMPOUNDS
ISOTOPES
MANAGEMENT
MASS TRANSFER
MATHEMATICAL MODELS
NUCLEI
OXYGEN COMPOUNDS
QUALITY CONTROL
RADIOACTIVE WASTE DISPOSAL
RADIOECOLOGICAL CONCENTRATION
RADIOISOTOPES
RADIONUCLIDE KINETICS
RADIONUCLIDE MIGRATION
RECOMMENDATIONS
RISK ASSESSMENT
SEDIMENTS
SENSITIVITY ANALYSIS
SOILS
SURFACE WATERS
WASTE DISPOSAL
WASTE MANAGEMENT
WATER
YEARS LIVING RADIOISOTOPES