~1C— dese; on Ailinginae; on Mongerik where Anuerican servicemen were stationed, end _ ‘Utirik where the smallest dose was received but by the largest number of people, The Marshallese were living under relatively prinitive conditions in lightly constructed palm houses, The Azerican 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 retsined inside of aluminum buildings. As far as duties would per~it, In contrast to this the Marshallese in general renained outside and accordingly were more heavil; contaminated by the material falling upon the atoll and upon them, All of the exposed himan beings were evacuated by air and surface transporta~ tion 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 leundered and repested washings of the skin and hair was carried out with fresh water end 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 individuels that received an estinated dose of 175 r. On Ailinginae there were 18 individuals re- ceiving approximately 69 r, On Rongerik there were 28 American servicemen recei- ving aporoximately 78 r. On Utirik there were 157 individuals receiving approx imitely Ar. Wicle Hody Gamma Doses The determinaticn of the whole body gamna doses are dependent upon the surveys tiat were made with calibrated instruments approximately 3 feet above the groumd several days after the inhabitents were evacuated. In addition certain aseumptions had to be made about the arrival tine 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 material was in pert IDOE ARGHrvES, Yo