The Hanford Environmental Dose Reconstruction Project A Review of Four Documents (1994) / Chapter Skim
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III. THE FOUR HEDR DOCUMENTS
III. THE FOUR HEDR DOCUMENTS
Pages 11-13
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From page 11... ...
The model chosen for each pathway depends on the available dose data, the degree of confidence justified by existing data, and the level of sophistication deemed appropriate for the particular pathway and period being considered. Because the largest releases of radionuclides to the air occurred in the mid-1940s, a very fine temporal resolution is required for that period to account for the transport and deposition of these radioactive materials and to propagate properly the uncertainties associated with the data.
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From page 12... ...
. The more recent process of determining the iodine-131 exposure to anyone person as a result of the Hanford operations uses a series of computer models designed to work together under the collective name Hanford Environmental Dose Reconstruction Integrated Codes (HEDRIC)
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From page 13... ...
· Calculation of Individual Doses from Environmental Radionuclides (CIDER) , a model that uses time, location, and diet information to calculate how much of the iodine131, released hourly, according to plant operations, affected the offsite population.
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