Plant uptake of /sup 239-240/Pu and /sup 241/Am from soil containing aged source materials
Several safety tests were conducted between 1954 and 1963 at the Nevada Test Site and the Tonopah Range wherein small amounts of plutonium were dispersed into the surrounding environment by chemical explosives. Findings from field studies in these fallout areas by the Nevada Applied Ecology Group indicated relatively low uptake of /sup 239-240/Pu by vegetation through plant roots. Results from plant uptake experiments under glasshouse conditions supported these findings. Discrimination factors ranging from 10/sup -4/ to 10/sup -3/ for /sup 239-240/Pu were obtained with barley grown on soil that had been contaminated with the source materials in 1957. The Pu/Am ratios for soil and barley samples also indicated greater root uptake of the ingrowth product, /sup 241/Am, relative to /sup 239-240/Pu from the aged source materials.
- Research Organization:
- Univ. of California, Los Angeles
- OSTI ID:
- 6382649
- Journal Information:
- Agron. Abstr.; (United States), Vol. 67
- Country of Publication:
- United States
- Language:
- English
Similar Records
$sup 239$Pu, $sup 240$Pu, and $sup 241$Am contamination of vegetation in aged fallout areas
$sup 239$ $sup 240$Pu and $sup 241$Am contamination of vegetation in aged plutonium fallout areas
Related Subjects
AMERICIUM 241
ROOT ABSORPTION
PLUTONIUM 239
PLUTONIUM 240
BARLEY
COMPARATIVE EVALUATIONS
GREENHOUSES
NEVADA TEST SITE
UPTAKE
ABSORPTION
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
AMERICIUM ISOTOPES
BUILDINGS
CEREALS
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
GRASS
HEAVY NUCLEI
ISOTOPES
NATIONAL ORGANIZATIONS
NUCLEI
ODD-EVEN NUCLEI
PLANTS
PLUTONIUM ISOTOPES
RADIOISOTOPES
US DOE
US ORGANIZATIONS
YEARS LIVING RADIOISOTOPES
510300* - Environment
Terrestrial- Radioactive Materials Monitoring & Transport- (-1989)