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Basis and implications of the CAP88 age-specific dose coefficients...

by Richard W Leggett, Patricia A Scofield, Keith F Eckerman
Publication Type
Journal
Journal Name
Health Physics: the Radiation Safety Journal
Publication Date
Volume
105
Issue
2

Recent versions of CAP88 incorporate age-specific dose coefficients based on biokinetic and dosimetric models applied in Federal Guidance Report 13, “Cancer Risk Coefficients for Environmental Exposure to Radionuclides” (EPA 1999). With a few exceptions the models are those recommended in a series of reports by the International Commission on Radiological Protection (ICRP) on estimation of doses to the public from environmental radionuclides. This paper describes the basis for the ICRP’s age-specific biokinetic and dosimetric models and examines differences with age in the derived dose coefficients and in estimates of dose per unit exposure based on those coefficients.