LLL plutonium lung counter calibration and discussion of errors
Conference
·
OSTI ID:7352945
The Whole Body Counter at Lawrence Livermore Laboratory is located in a shielded room 6.1 metres underground, and is equipped with a filtered air supply to remove approximately 99 percent of the radioactivity present from radon-thoron daughters in the air. Two Harshaw Phoswich detectors 120 mm in diameter are presently used for lung counting. An Alderson Remab phantom is used for calibration. This is a take-apart phantom which has a human skeleton and fillable compartments to simulate the body organs. The lung cavities can be filled with lung-equivalent material containing radioactive standards for calibration. Several uniformly loaded sets of these lungs have been made incorporating various isotopically pure radionuclides including /sup 238/Pu, /sup 239/Pu, and /sup 241/Am.
- Research Organization:
- California Univ., Livermore (USA). Lawrence Livermore Lab.
- DOE Contract Number:
- W-7405-ENG-48
- OSTI ID:
- 7352945
- Report Number(s):
- UCRL-78409; CONF-760634-4
- Country of Publication:
- United States
- Language:
- English
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Related Subjects
07 ISOTOPE AND RADIATION SOURCES
440101 -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
560161* -- Radionuclide Effects
Kinetics
& Toxicology-- Man
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
655002 -- Medical Physics-- Radiation Source Calibration & Standardization
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
AMERICIUM 241
AMERICIUM ISOTOPES
BODY
CALIBRATION
DOSES
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
HEAVY NUCLEI
INTERNAL IRRADIATION
IRRADIATION
ISOTOPES
LUNGS
MEASURING INSTRUMENTS
MOCKUP
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PERSONNEL
PHANTOMS
PLUTONIUM 238
PLUTONIUM 239
PLUTONIUM ISOTOPES
RADIATION DETECTORS
RADIATION DOSES
RADIATION PROTECTION
RADIOISOTOPES
RADIONUCLIDE KINETICS
RESPIRATORY SYSTEM
STRUCTURAL MODELS
WHOLE-BODY COUNTERS
YEARS LIVING RADIOISOTOPES
440101 -- Radiation Instrumentation-- General Detectors or Monitors & Radiometric Instruments
46 INSTRUMENTATION RELATED TO NUCLEAR SCIENCE AND TECHNOLOGY
560161* -- Radionuclide Effects
Kinetics
& Toxicology-- Man
63 RADIATION, THERMAL, AND OTHER ENVIRON. POLLUTANT EFFECTS ON LIVING ORGS. AND BIOL. MAT.
655002 -- Medical Physics-- Radiation Source Calibration & Standardization
ACTINIDE ISOTOPES
ACTINIDE NUCLEI
ALPHA DECAY RADIOISOTOPES
AMERICIUM 241
AMERICIUM ISOTOPES
BODY
CALIBRATION
DOSES
EVEN-EVEN NUCLEI
EVEN-ODD NUCLEI
HEAVY NUCLEI
INTERNAL IRRADIATION
IRRADIATION
ISOTOPES
LUNGS
MEASURING INSTRUMENTS
MOCKUP
NUCLEI
ODD-EVEN NUCLEI
ORGANS
PERSONNEL
PHANTOMS
PLUTONIUM 238
PLUTONIUM 239
PLUTONIUM ISOTOPES
RADIATION DETECTORS
RADIATION DOSES
RADIATION PROTECTION
RADIOISOTOPES
RADIONUCLIDE KINETICS
RESPIRATORY SYSTEM
STRUCTURAL MODELS
WHOLE-BODY COUNTERS
YEARS LIVING RADIOISOTOPES