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The U.S. Transuranium Registry report on the 241Am content of a whole body. Part II: Estimate of the initial
Abstract:
The estimated systemic burden of 0.3 muCi 241Am, made by the resident health physicist, has been compared to postmortem measurements using in-vivo counting equipment and radiochemical analysis of the donor's body. The health physicist's estimate was based on in-vivo measurements and urine excretion data obtained while the donor was still working, and it was logically assumed that the intake occurred about 1954 as a result of inhalation of Am-contaminated air. Based on additional data obtained by postmortem analysis, it seems more reasonable to assume for the purpose of scientific study and evaluation that the intake occurred in 1953, primarily as the result of a contaminated wound. Evaluations of the systemic burden using that assumption and three models indicate that the amount initially deposited could have been in the range of 0.2-1.1 muCi 241Am.