organ compartment biological half time for the element, ‘ Cc. = total body compartment deposition fraction for the element, oN D, = total body compartment biological half time for the element, aM : fo vig ar = fraction of the element from blood to organ of reference. sid Equation (5) a | pplied where significant decay occurred |at the deposition site, and not during transit or re-transit to the organ of interest. fat Valucs for compartment deposition fractions and compartment half times iwere obtained [rom 4 Ki78. Values for the remaining quantities were from ICRP59 . The dose equivalents to a specific organ or the total body ere determined | oi The total. target dose equivalent was ‘obtainga by.summation of Several important modi ficas ea For gach person, the source to target dose' equivalent per : aids : . unit cumlated activity was weighted by the ratio of a standard man's body mass 5 *4 dosimetric results. he * Asi ease . tions to the general procedure werg made in order to compute, individual atte ht ge gt the dosimetric contributigps from all source organs. opts ieee eee aesoe sas ters from Ki78. Appropriate modifications to Eq. (2), (3), and (5) were wade to reflect this dependence. Finally, for 905, deposition in bone, 28% of tlie ; Figure 18 demonstrates the mean dose ' and sex groupings. tion. . : opt te ee Doge ena, ae 3 ‘i id ; equivalent from 137 Cs . for ; various . The adolescents and persons above 50 years of age in 1957 maintaine:! the Persons who died during this period were not ine tuded 37 Sv a on age The residence interval was from 1957 to 1980 for this popula- lowest dose equivalent. ae: } 4 source to target dose equivalent per unit cumulated activity was assumed from : cancellous bone and 72% from cortical bone. Saw body mass (Mi81). set moval rate constant for the Marshallese population was highly dependent upon mal In the case of 137o6, the Long term biological re- eer ok a Cy a 7, coo ahead3sae" +s ee Ra equivalent was determined, e relative to the actual mean body mass during the interyal for which the dose oat es “rat “ta °#) ad OF 4 ut a et