Relevance of biotic pathways to the long-term regulation of nuclear waste disposal; Phase II, Final report

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Authors:McKenzie, D. H.; Cadwell, L. L.; Kennedy, W. E., Jr.; Prohammer, L. A.; Simmons, M. A.
Author Affiliations:Primary:
Pac. Northwest Lab., Richland, WA, United States
Source:NUREG/CR (United States. Nuclear Regulatory Commission), No.NUREG/CR-2675, PNL-4241Vol. 6, 81p. Publisher: U. S. Nuclear Regulatory Commission, Office of Nuclear Regulatory Research, Washington, DC, United States. ISSN: 0278-1670
Publication Date:1986
Note:In English. Prep. for U.S. Nucl. Regul. Comm., Off. Nucl. Regul. Comm., Off. Nucl. Regul. Res., NRC FIN B2377
Summary:The results reported here establish the relevance and propose a method for including biotic transport in the assessment and licensing process for commercial low-level waste disposal sites. Model modification and improvement efforts resulted in enhancing the ability to represent soil erosion and soil transport within the trench cover. Two alternative hypotheses on plant root uptake were incorporated into the model to represent transport of radionuclides by roots that penetrate the buried waste. Enhancements were also made to the scenario for future site intruder activities. Representation of waste package decomposition in the model was confirmed as the best available alternative. The BIOPORT/MAXI1 computer software package is proposed for dose assessment of commercial low-level waste disposal sites.—Modified report abstract.
Subjects:Arid environment; Computer programs; Data processing; Engineering geology; Humid environment; Isotopes; Low-level waste; Mathematical models; Movement; Radioactive isotopes; Radioactive waste; Soils; Terrestrial environment; Vegetation; Waste disposal; BIOPORT
Record ID:1988067757
Copyright Information:GeoRef, Copyright 2018 American Geosciences Institute.
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