Americium-241 in surface soil associated with the Hanford site and vicinity
Various kinds of surface soil samples were collected and analyzed for Americium-241 (/sup 241/Am) to examine the feasibility of improving soil sample data for the Hanford Surface Environmental Surveillance Program. Results do not indicate that a major improvement would occur if procedures were changed from the current practices. Conclusions from this study are somewhat tempered by the very low levels of /sup 241/Am (< 0.10 pCi/g dry weight) detected in surface soil samples and by the fact that statistical significance depended on the type of statistical tests used. In general, the average concentration of /sup 241/Am in soil crust (0 to 1.0 cm deep) was greater than the corresponding subsurface layer (1.0 to 2.5 cm deep), and the average concentration of /sup 241/Am in some onsite samples collected near the PUREX facility was greater than comparable samples collected 60 km upwind at an offsite location.
- Research Organization:
- Battelle Pacific Northwest Labs., Richland, WA (USA)
- DOE Contract Number:
- AC06-76RL01830
- OSTI ID:
- 6424540
- Report Number(s):
- PNL-3731; ON: DE81024264
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
Terrestrial-- Radioactive Materials Monitoring & Transport-- Soil-- (-1987)
54 ENVIRONMENTAL SCIENCES
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
AMERICIUM 241
AMERICIUM ISOTOPES
COMPARATIVE EVALUATIONS
DATA
DATA COMPILATION
ECOLOGICAL CONCENTRATION
HANFORD RESERVATION
HEAVY NUCLEI
INFORMATION
ISOTOPES
NATIONAL ORGANIZATIONS
NUCLEI
NUMERICAL DATA
ODD-EVEN NUCLEI
RADIOECOLOGICAL CONCENTRATION
RADIOISOTOPES
SAMPLING
SOILS
US DOE
US ERDA
US ORGANIZATIONS
YEARS LIVING RADIOISOTOPES