: % oa 3nd gee * a ee ree irre ie, ’ Ts Peee ay on eal e ee ee ae Pe ee Sms as ‘ rn eS Ne ate Se re amit 2 ea mone : Baal 7 ee ee ee . _ TABLE 2,1 = Radiation Intensity at Rongerik During Early Fallout (Shot 1) oe Time after H hour Gamma Dose Rate (hr) (mr/hr, background) —— 6.5 (1345 1 March) : 6.87 6.91 6.95 " © 0.08 0.18 0670 207 . 7.04 3.6 7.12 10.5 7.20 30 7629 ; 7237 60 100 TABLE 2,2 = Early Dose Rate Data (2 to 3 March) Island |Time after H hour (hr) Average Dose Rate (mr/hr) t , Rongelap H + 36 Rongerik H+ 28.5 . ALlinginae Utirik 1500 — H + 58 . 2000 . WS H+55 160 On Rongerik, the exposed individuals recognized the nature of the fallout, put on protective clothing, and took advantage of the partial ~ gamma shielding afforded by Butler-type buildings in the area, staying _ indoors as fer as possible, The radiation dose rate encountered by an- individual on this island tms depended on his whereabouts and probab-~ ly varied by a factor of two between maximum and minimum values in different areas at a given time, The estimation of dose received by any one individual of the Rongerik group was thus subject to considerable uncertainty, since no cauplete record of movements was kept. ll conn (ues reg Lous