‘Ue The initial helicopter radiation survey snovred raci readings on the islands of BIKINI Atoll to be negligible. 523e¢ on the initial surveys, reentry hour was estimated as 1000M, ¢1 May (Ht hours), S. All RADEX notices were withdrawn by H+12 hours. The Off-Atell Honitoring Stations (TA3 G) reported all intensities no higher than backgrcund through CHDRONEE plus t:ree ci:rs, 6. The fallout forecast for CHEROKEE (TA3 B) was basei on the assumption that the fission yield would aporsech |ard that fuse malfunction vould result in a surfece barst of tae Weapon, Satety considerations dictated the use of these wvo Essunptions. accually, the most probable pattern was expected to be less tien i 32 1/2000 of the precicted pattern. ‘ ee The meesured fzlo2 previciusly was negligible. Liye Tab Bo Lelefed