oar ‘ TASK GROUP 13203, | Joint Task Force 132 Los Alamos Scientific Laboratory foe } \ 4 fy 5 Division, P.0.Dox 16 graiaeaI :! ot Los Alamos, New Mexico J~ /23: a 3 7 ot LOG9é reres a SE Subject: Report of Evacuation Flans Confereme. Tos COMMANDER JOINT TASK FORCE 132 PerEen ——DTRIS_H._ DUNNING (Terg on authorizing ch ange in classifica tion NOBOF2.7copies, SERIES 2. ‘ ef hep CRIFIED UNCLASSIFIED U ~hd a Oheo 14g? _Ke ! N u we 14° Soo IS re asdestinedintheAtomic EnergyActof to any 1954, Its dissemination or disclosure On the 10th of June, 1952, a conference was’teTaatomne’Bopibies. 3 S Hiamos Scientific Laboratory for the purpose of discussing IVY| evacuation ; gienning in so far as such plans ere dependent on effects predictions of o ® last, thermal, water waves, and radiological] conditions. a ipttached as enclosure #1. The agendse is ge 3 @. It was the concensus of the recognized authorities in the a fa respective fields that results expected at Eniwetok from Mike shot are, a win brief, as follows: ); ag ~ YIELD BEST COPY AVAILABLE Expected 4 - 5 MI. Reasonably possible maximum 10 MT. Above 538 x rs @ 10 MT in the region of remote possibility. : BLAST 8 oF B 3 & @ > a c 4g S St ~ 5 (Authority: Lt.Col. Francis Porzel, Group Leader, Blast Measurements Group, Los Alamos Scientific Laboratory) 5 MT yield = On Enivetok 0.7 poBoie . oj Ke Sy A q S SS 10 MI yield ~ On Eniwetok 0.9 potoi. R S$ LO MT yield < On Eniwetok 1.5 PoBoic ~ oN % ~ SS £ Dt7LY For p.8.i. effects on Parry, add s factor of 15% to abore For detailed calculations NN 40391fleation shenged by authority of the U.S, oe nl and date) Washington, D. Co THIS DOCUMENT CONSISTS OF2Pacers) oe mats ie ow og L. Eniwetok predictions, of PoB8oin = Breaks glass; tears loose canvas. Little, if any, buckling of metal buildings. Peak equals wind of 4C/50 mph but of momentary duration comparable to a short gust.