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An overview of experiments at Chalk River on HT dispersion in the environment

Journal Article · · Fusion Technol.; (United States)
OSTI ID:6135018
; ; ;
A trace amount (3.54 TBq) of HT was released to the natural environment under controlled conditions at a site at Chalk River Nuclear Laboratories on June 10, 1987. Scientific investigators from six countries participated in the experiment, which was designed to determine the rate of oxidation of HT to HTO in the natural environment, to identify the dominant mechanism responsible for the oxidation, and to intercompare sampling and analytical techniques used by the different participating laboratories. Results confirm previous laboratory studies in controlled exposure chambers and a field study carried out at Chalk River in August, 1986. The results indicate no rapid oxidation of HT in air. The formation of HTO in soils followed by its reemission accounts for the majority of HTO in air during release of HT and is responsible for the persistence of HTO in air and soil for several weeks.
Research Organization:
Canadian Fusion Fuels Technology Project, Mississauga, Ontario (CA); Atomic Energy of Canada Ltd., Chalk River Nuclear Labs., Chalk River, Ontario (CA); Ontario Hydro Research Div., Toronto, Ontario (CA)
OSTI ID:
6135018
Journal Information:
Fusion Technol.; (United States), Journal Name: Fusion Technol.; (United States) Vol. 14:2; ISSN FUSTE
Country of Publication:
United States
Language:
English

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Related Subjects

500300 -- Environment
Atmospheric-- Radioactive Materials Monitoring & Transport-- (-1989)
510300 -- Environment
Terrestrial-- Radioactive Materials Monitoring & Transport-- (-1989)
54 ENVIRONMENTAL SCIENCES
70 PLASMA PHYSICS AND FUSION TECHNOLOGY
700206* -- Fusion Power Plant Technology-- Environmental Aspects
AIR
AIR POLLUTION MONITORING
ANALYTICAL SOLUTION
ATOMIC ENERGY OF CANADA LTD
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
CANADIAN ORGANIZATIONS
CHALK RIVER NUCLEAR LABS
CHEMICAL REACTIONS
DATA
EMISSION
ENVIRONMENTAL EXPOSURE PATHWAY
ENVIRONMENTAL IMPACTS
ENVIRONMENTAL TRANSPORT
EXPERIMENTAL DATA
FLUIDS
GASES
HYDROGEN ISOTOPES
INFORMATION
ISOTOPES
LIGHT NUCLEI
MASS TRANSFER
NATIONAL ORGANIZATIONS
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
OXIDATION
RADIOISOTOPES
RADIONUCLIDE MIGRATION
SOILS
TRITIUM
YEARS LIVING RADIOISOTOPES