OL acure estimates, exposure.e they "Bate ot evaluation of rour were: . stuaqi1es (1) were archival used to Bpenerarce soil-sample radiochemical analyses data for “Bikini Ash”, 1-129, ause (2) the BRAVO fallout people. “Tentative results indicate thyroid doses were underestimated for the. Rongelap people by a factor of 2 to 10. Thyroid nodule incidence will be evaluated. in terms of new estimates for thyroid absorbed dose ACKNOWLEDGEMENTS Research carried Oe te I geHowes 62 wae apvsvuipoea for which fell on a Japanese fishing vessel in the vicinity of RongePap Atoll on March 1, 1954, (3) weather and source-term data for BRAVO coupled with current fallout transport and deposition models and (4) evaluation of the radioiodine analysis of the single initial pooled urine sample reported for the Rongelap populations. mee eee Liyrolag analysis out under the auspices of the Contract NO. DE-ACO2~76CHO0016. The full text of _ printed as a Brookhaven National Laboratory report. U.S. for both atoll Deparment of Energy, this communication will be