Research and development related to the Nevada nuclear waste storage investigations. Progress report, October 1-December 31, 1979
- comp.
Batch sorption measurements in air with Sr, Cs, Ba, Ce, and Eu were conducted with four additional tuff samples. Additional results for sorption of Pu and Am are presented. Results for sorption of Tc, Sr, Cs, Ba, Ce, Eu, and U(VI) are given and compared with results in air. Migration rate studies with crushed tuff are continuing, and, in some cases, uniform peakless elution is being observed. Methods for studying the migration rate of uranium (VI) are being developed. Nuclides are being infiltrated into various types of solid cores for study after sectioning. Microautoradiographic examination of crushed tuff samples used in the batch determinations indicate that large species of americium are sorbed. Methods for determination of iron(II) in both rocks and waters are described. The probability of disruption of a repository site at Yucca Mountain by future volcanic activity is bracketed by the range 10{sup -8} to 10{sup -10}/y. Partitioning functions for selected elements in plagioclase and olivine phenocrysts were examined for estimates of near-liquidus temperatures of representative melt compositions of the basalts of Crater Flat. Higher temperature estimates were calculated for glomeroperphyritic clots in the oldest basalts of Crater Flat.
- Research Organization:
- Los Alamos Scientific Lab., NM (United States)
- DOE Contract Number:
- W-7405-ENG-36
- OSTI ID:
- 59113
- Report Number(s):
- LA--8309-PR
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
05 NUCLEAR FUELS
54 ENVIRONMENTAL SCIENCES
ADSORPTION
AMERICIUM
BARIUM
CERIUM
CESIUM
EUROPIUM
NEVADA TEST SITE
RADIOACTIVE WASTE FACILITIES
RADIOACTIVE WASTE STORAGE
RADIONUCLIDE MIGRATION
RESEARCH PROGRAMS
SORPTIVE PROPERTIES
STRONTIUM
TECHNETIUM
TUFF
UNDERGROUND STORAGE
URANYL COMPOUNDS
Yucca Mountain Project
54 ENVIRONMENTAL SCIENCES
ADSORPTION
AMERICIUM
BARIUM
CERIUM
CESIUM
EUROPIUM
NEVADA TEST SITE
RADIOACTIVE WASTE FACILITIES
RADIOACTIVE WASTE STORAGE
RADIONUCLIDE MIGRATION
RESEARCH PROGRAMS
SORPTIVE PROPERTIES
STRONTIUM
TECHNETIUM
TUFF
UNDERGROUND STORAGE
URANYL COMPOUNDS
Yucca Mountain Project