TABLE 2,1 ~ Radiation Intensity at Rongerik Luring Early Fallout (Shot 1) Garma Dose Rate Time after H hour (hr) 7.04 3.6 10.5 7.12 30 7.29 60 7237 100° od 7.20 TABLE 2,2 = Early Dose Rate Data (2 to 3 Harch} Island | Rongelap {Time after H hour (hr) | Average Dose Rate (mr/hr) H + 36 1500 Ron gerik H + 28,5 2000 Adlinginae H + 58 LLS utirik H+55 160 On Rongerik, the exposed individuals recognized the nature of the fallout, put on protective clothing, and tack advantage of the partial gauma shielding afforded by Butler-type tuildings in the area, staying indoors as far as possible, The radiation dose rate encountered by an individual on this island thus depended on his whereabouts and probab~ ly varied by a factor of two between maximum and miniaum values in different areas at a given tine, The estimation of dose received by any one individual of the Rongerik group was thus subject to consider= able uncertainty, since no canplete record of movements was kept, . zy a - aes a . i . B ..2 ” cule . “ew g?'° ra, . ee Vw - are irs a oy wos . - ha 2.7 oni 6.95 ‘i 6.91 0.18 0.70 vit _ 6.87 oa 0.06 : te i € epee” le seoaig atte ieto Se at. Aunst a 6.5 (1345 1 March) ay (mr/hr, background) nTa