50— 0- a 20.01 eh - . =- wee Sy5) gy Evacuation: ENO i | =2 Xz oe | +000! Wo 3c; we 23 wi: a @; 700008 Se Gi |OaS : \\ . >5= oO 05: UTIRIK >< ISLAND] . \. -wt \s ww e hated az |, 2e 20.0001 X= i \. Ja00005 OL: ! | ate IO 100 HOURS POST DETONATION ON MARCH I, 1954 Figure 10. Exposure-rate histories for Rongelap, Sifo, and Utirik Islands based on Bikini ash characteristics. L 10 a 1 yy an o & RONGELAP UTIRIK 40 50 20 xO HOURS POST DETONATION 60 Figure ll. Integrated exposure vs time. - 460 ~ EXPOSURE ONE METER ABOVE SURFACE, C hg 350 “4 ~t T oO q _ EXPOSURE ONE wMETER nNABOVE SURFACE, A _° 8 3on $8 ° ToT T | t -4| INTEGRATED EXPOSURE