Radiological survey of the inactive uranium-mill tailings at Lakeview, Oregon
The results of the radiological survey of the inactive uranium-mill site at Lakeview, Oregon, show that the average gamma-ray exposure rate 1 m above the tailings pile and the evaporation pond area (now dry) is close to the average background level for the area (11 ..mu..R/hr). The /sup 226/Ra concentration in most of the surface soil and sediment samples is also at or below the average background value for surface soil samples in the area (0.8 pCi/g). Calculated /sup 226/Ra concentrations, based on gamma radiation measurements in shallow (1-m-deep) holes, are in agreement with the results of surface soil and sediment analyses and with gamma-ray exposure rate measurements. The tailings at this site have been stabilized by the addition of 46 to 60 cm (18 to 24 in.) of soil that supports vigorous growth of vegetation. This treatment, coupled with a low-level inventory of /sup 226/Ra in the tailings (50 Ci), has resulted in limited spread of tailings by wind and water.
- Research Organization:
- Oak Ridge National Lab., TN (USA)
- DOE Contract Number:
- W-7405-ENG-26
- OSTI ID:
- 5309367
- Report Number(s):
- ORNL-5464
- 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
ALKALINE EARTH ISOTOPES
ALPHA DECAY RADIOISOTOPES
DATA
DATA COMPILATION
DATA FORMS
DOSES
ELECTROMAGNETIC RADIATION
EVEN-EVEN NUCLEI
GAMMA RADIATION
GAMMA SPECTROSCOPY
GROWTH
HEAVY NUCLEI
IMAGES
INFORMATION
IONIZING RADIATIONS
ISOTOPES
LAND RECLAMATION
MILL TAILINGS
MINES
MONITORING
NORTH AMERICA
NUCLEI
NUMERICAL DATA
ORE PROCESSING
OREGON
PACIFIC NORTHWEST REGION
PLANT GROWTH
PONDS
PROCESSING
RADIATION DOSES
RADIATION MONITORING
RADIATIONS
RADIOISOTOPES
RADIUM 226
RADIUM ISOTOPES
SEDIMENTS
SOILS
SOLID WASTES
SPECTROSCOPY
TABLES
TAILINGS
URANIUM MINES
USA
WASTES
YEARS LIVING RADIOISOTOPES
Terrestrial-- Radioactive Materials Monitoring & Transport-- Soil-- (-1987)
54 ENVIRONMENTAL SCIENCES
ALKALINE EARTH ISOTOPES
ALPHA DECAY RADIOISOTOPES
DATA
DATA COMPILATION
DATA FORMS
DOSES
ELECTROMAGNETIC RADIATION
EVEN-EVEN NUCLEI
GAMMA RADIATION
GAMMA SPECTROSCOPY
GROWTH
HEAVY NUCLEI
IMAGES
INFORMATION
IONIZING RADIATIONS
ISOTOPES
LAND RECLAMATION
MILL TAILINGS
MINES
MONITORING
NORTH AMERICA
NUCLEI
NUMERICAL DATA
ORE PROCESSING
OREGON
PACIFIC NORTHWEST REGION
PLANT GROWTH
PONDS
PROCESSING
RADIATION DOSES
RADIATION MONITORING
RADIATIONS
RADIOISOTOPES
RADIUM 226
RADIUM ISOTOPES
SEDIMENTS
SOILS
SOLID WASTES
SPECTROSCOPY
TABLES
TAILINGS
URANIUM MINES
USA
WASTES
YEARS LIVING RADIOISOTOPES