Total Body Equilibrium Dose Equivalent Rate per Unit Body Burden z ft, mRem y~! ycim! 35 Fe 2.x 10° 696, 6 x 107 6575 1 x 10? 90¢, 3x 104 ce 55 2 x 107 26 27 30 38 “3 "3Be , Figure 15 illustrates the relative contribution to the composite dose 4 “ a equivalent rate for each dosimetrically sjgnificant internally deposited nu- bs clide. af ' 1957; however, many adults were reported to have resettled during the ne«! 3 to 6 months (Co80b). The composite dose equivalent rate indicated that a brond oe wah - ie EN jePate For the average Rongelsp adult, the residence interval begins Junc |, maximum of approximately several hundred millirem per year persisted for several --: hundred days. Most of the dose rate is attributable to the 1376, component Ce= sium-dominaced over the entire past return period and would be of prime «voncern for populations returning ¢o a contaminated environment years after a finsion type initiating event. Figure 16 illustrates two possibilities for the Utirik dose equivalent rate resulting from the post-return. 65 Zn body burden history during the first three years The higher body burden resulted from use of the two measur cil O04 31 coe \ wah ae et a Sem Tne teem REESereTe”«_