dose via the terrestrial foodchain on from Bikini Island from the diet with Bikini Island is 23 rem for whole body the exception of coconut, i.e., Eneu and 37 rem for bone marrow compared to diet plus Bikini Island coconut, gives Eneu Island where the respective doses a further reduction in bone marrow and are 2,0 rem and 3.3 rem. whole body dose of approximately 20% The 50-yr integral doses, of course, show a sim- over removing Pandanus fruit and ilar difference. breadfruit only (see Table 31). It is clear that the How- living pattern on Eneu Island is much ever, comparing the Eneu only diet in preferred to that on Bikini Island for Table 28 and the Eneu diet plus coco- reducing potential dose to returning nut from Bikini Island in Table 31, it populations, is clear that inclusion of coconut from The impact of removing Pandanus Bikini Island increases significantly fruit and breadfruit grown on Bikini the bone marrow and whole body doses Island from the diet can be seen in relative to a diet totally derived from Table 31. Eneu Island. The bone marrow doses are For comparison, the 50-yr reduced by nearly one-half (a 30-yr bone marrow dose from a diet derived dose of 18 rem and a 50-yr dose of totally from Eneu is 4,7 rem, while the 20 rem), while whole body doses are Eneu diet plus coconut from Bikini reduced by approximately 40% (a 30-yr leads to a dose of 21 rem. dose of 14 rem and a 50-yr dose of whole body doses from the two diets are 20 rem). 2.8 rem and 17 rem, respectively. Removing all other items The 50-yr Dose Summary and Discussion Tables 6 through 9 list the 10-, dose contributes nearly 36% of the 30-, 50- and 70-yr integral doses for bone marrow dose and 50% of the whole each exposure pathway, plus the sum of body dose. all exposure pathway for each of the water pathways, assuming that the six living patterns. drinking water on Eneu is from the As an example, The marine and drinking _ground water system, each contribute the 30-yr integral dose in Table 7 about 3% to the bone marrow dose and will be examined. For Pattern 1 (living on Eneu Island and diet from Eneu Island), 1% or less-to the whole body. the There- fore, in Pattern 1, 93% of the bone terrestrial diet contributes 57% of marrow dose and 98% of the whole body the bone marrow dose and 48% of the dose are contributed by two pathways, whole body dose. terrestrial and external. The external gamma For -37- 561 SEIEEBT UiST