~10dese; on Ailinzinae; on Rongerik where Anericar servicemen were etationed, and _‘Utirdk where the smallest dose was received but by the largest number of people. The Marshallese were living under relatively primitive conditions in lightly constructed palm houses, © The American military personnel had the second highest exposure. They were more aware of the significance of the fallout then were the Marshallese, and promptly put on additional clothing to protect their skin, they remained inside of alumimm buildings. As far as duties would pernit, In contrast to this the Marshallese in general renained outside and accordingly were more heavily contaminated by the material falling upon the atoll and upon then, All of the exposed human beings were evacuated by air and surface transportation to the United States Naval Station, Kwajalein, as promptly as facilities would permit, Since a survey of the individuals showed that there was significant contamination of the skin, clothes and hair, the clothes were renoved and leuniered and repeated washings of the skin and hair was carried out with fresh water and soap. The heir of the Marshallese was decontaminated with difficulty because of the heavy coconut oil hair dressing they used. On Rongelap there were 64 individuals that received an estinated dose of 175 r. On Ailinginae there were 18 individuals re- ceiving approximately 69 r, On Fongerik there were 28 American servicemen recei- ving aporoximately 78 r. On Utirik there were 157 individuals receiving approx jaately 14 r. “hele Kody Ganna Doses The determinaticn of the whole body gana doses are dependent upon the surveys tiat were made with calibrated instruments approximately 3 feet above the ground several days after the inhabitents were evacuated. In addition certain assumptions had to be made about the arrival time of the cloud and the rate of fallout of the material. Only on Rongerik where there was a recording dosimeter known precisely. is arrival time The dose rate of the continuing fallout of naterial was in part IDOEAREHES, Yo

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