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Critical look at studies of radionuclide migration in fractured granite cores

Conference ·
OSTI ID:6255367
;
A series of laboratory experiments studying radionuclide migration were conducted on eleven fractured granite cores from the Climax Stock at the Nevada Test Site. Failor et al (1982) discuss the equipment used, the preparation of the core, the experimental procedure, the data reduction, and the experimental results. They give estimates of the average fracture apertures, retardation values of /sup 85/Sr, /sup 95m/Tc, and /sup 137/Cs relative to /sup 3/H, and the percentage of each radionuclide retained in the core after each run. To determine the effect of fracture fill material and solution composition on radionuclide migration, they studied both natural and artificial fractures using either natural Climax ground water or distilled water. The results are summarized below along with a discussion of the problems inherent in the experiments and suggestions to minimize these problems.
Research Organization:
Lawrence Livermore National Lab., CA (USA)
DOE Contract Number:
W-7405-ENG-48
OSTI ID:
6255367
Report Number(s):
UCRL-89210; CONF-830644-1; ON: DE83012694
Country of Publication:
United States
Language:
English

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Related Subjects

510301* -- Environment
Terrestrial-- Radioactive Materials Monitoring & Transport-- Soil-- (-1987)
54 ENVIRONMENTAL SCIENCES
ALKALI METAL ISOTOPES
ALKALINE EARTH ISOTOPES
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BETA-PLUS DECAY RADIOISOTOPES
CESIUM 137
CESIUM ISOTOPES
DAYS LIVING RADIOISOTOPES
DRILL CORES
ELECTRON CAPTURE RADIOISOTOPES
ENVIRONMENTAL TRANSPORT
EVEN-ODD NUCLEI
FAILURES
FRACTURES
GRANITES
HOURS LIVING RADIOISOTOPES
HYDROGEN ISOTOPES
IGNEOUS ROCKS
INTERMEDIATE MASS NUCLEI
ISOMERIC TRANSITION ISOTOPES
ISOTOPES
LIGHT NUCLEI
MASS TRANSFER
NUCLEI
ODD-EVEN NUCLEI
PLUTONIC ROCKS
RADIOISOTOPES
RADIONUCLIDE MIGRATION
ROCKS
STRONTIUM 85
STRONTIUM ISOTOPES
TECHNETIUM 95
TECHNETIUM ISOTOPES
TRITIUM
YEARS LIVING RADIOISOTOPES