Uranium Dispersion and Dosimetry (UDAD) Code

Technical Report · Tue May 01 04:00:00 EDT 1979

OSTI ID:6005007

Momeni, M H; Yuan, Y; Zielen, A J

The Uranium Dispersion and Dosimetry (UDAD) Code provides estimates of potential radiation exposure to individuals and to the general population in the vicinity of a uranium processing facility. The UDAD Code incorporates the radiation dose from the airborne release of radioactive materials, and includes dosimetry of inhalation, ingestion, and external exposures. The removal of raioactive particles from a contaminated area by wind action is estimated, atmospheric concentrations of radioactivity from specific sources are calculated, and source depletion as a result of deposition, fallout, and ingrowth of radon daughters are included in a sector-averaged Gaussian plume dispersion model. The average air concentration at any given receptor location is assumed to be constant during each annual release period, but to increase from year to year because of resuspension. Surface contamination and deposition velocity are estimated. Calculation of the inhalation dose and dose rate to an individual is based on the ICRP Task Group Lung Model. Estimates of the dose to the bronchial epithelium of the lung from inhalation of radon and its short-lived daughters are calculated based on a dose conversion factor from the BEIR report. External radiation exposure includes radiation from airborne radionuclides and exposure to radiation from contaminated ground. Terrestrial food pathways include vegetation, meat, milk, poultry, and eggs. Internal dosimetry is based on ICRP recommendations. In addition, individual dose commitments, population dose commitments, and environmental dose commitments are computed. This code also may be applied to dispersion of any other pollutant. (ERB)

• Research Organization: Argonne National Lab., IL (USA)
• DOE Contract Number: W-31109-ENG-38
• OSTI ID: 6005007
• Report Number(s): NUREG/CR-0553; ANL/ES-72
• Country of Publication: United States
• Language: English

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ACTINIDE ISOTOPES
ACTINIDE NUCLEI
AIR
ALKALINE EARTH ISOTOPES
ALPHA DECAY RADIOISOTOPES
ANIMALS
BETA DECAY RADIOISOTOPES
BETA-MINUS DECAY RADIOISOTOPES
BISMUTH 214
BISMUTH ISOTOPES
BODY
COMPUTER CALCULATIONS
COMPUTER CODES
CONTAMINATION
DATA
DATA FORMS
DAYS LIVING RADIOISOTOPES
DOSE COMMITMENTS
DOSES
ECOLOGICAL CONCENTRATION
ECOSYSTEMS
ENVIRONMENT
ENVIRONMENTAL TRANSPORT
EVEN-EVEN NUCLEI
EXPERIMENTAL DATA
EXTERNAL IRRADIATION
FLUIDS
FOOD CHAINS
GASES
HEAVY NUCLEI
HUMAN POPULATIONS
INFORMATION
INGESTION
INHALATION
INTAKE
IRRADIATION
ISOTOPES
LEAD 210
LEAD 214
LEAD ISOTOPES
LUNGS
MACHINING
MAMMALS
MAN
MASS TRANSFER
MATHEMATICAL MODELS
MILLING
MINING
MINUTES LIVING RADIOISOTOPES
NUCLEAR FACILITIES
NUCLEI
NUMERICAL DATA
ODD-ODD NUCLEI
ORES
ORGANS
POLONIUM 210
POLONIUM 218
POLONIUM ISOTOPES
POPULATIONS
PRIMATES
RADIATION DOSES
RADIOACTIVE EFFLUENTS
RADIOACTIVE MATERIALS
RADIOACTIVE WASTES
RADIOACTIVITY
RADIOECOLOGICAL CONCENTRATION
RADIOISOTOPES
RADIONUCLIDE MIGRATION
RADIUM 226
RADIUM ISOTOPES
RADON 222
RADON ISOTOPES
RESPIRATORY SYSTEM
SURFACE AIR
TABLES
TERRESTRIAL ECOSYSTEMS
THORIUM 230
THORIUM ISOTOPES
U CODES
URANIUM 238
URANIUM ISOTOPES
URANIUM ORES
VERTEBRATES
WASTES
YEARS LIVING RADIOISOTOPES