‘ Site Elmer roseto 25-30 mr. /hr, = | 0018933 ; The Fallout Prediction Unit was not able _ to establish definitely the origin of this material, but felt that there was some reason to think that it had come from Shot Fir. After arrival of the Koa samples at LASL, a dispatch was received in the field indicating that the cloud, and possibly the fallout samples, were heavily contaminated with Fir debris, The nature of the evidence was not known at the time, oe eee * kx», ey pavers? DELETED | Examinationof the windstructures existing during the period of the Fir and Koa detonations indicated a pessibility of some contamina- tion of Koz fallcut by Fir debrie, but no mechanism was apparent that could lead to heavy contemination, + When the radiochemical deta became zvailable it was found that all the Koa cloud samples contzined somes ma2terizl from Fir, but not enough to appreciably elter the Significance of the results (sce Chapter 3), 203.3 Walnut Evert, It wzs planned to project a tctal of 10 rockets into the cloud, 4 each from Sites Mary and Sslly and 2 from Site Wilmz, The . launchers on Mary were set for zctomatic positioning by blue-box signsl, whereas on Sally and Wilma the qu2drznt elevetiors and zzimuths were pre- set, After the shct the firing circuits to S2lly and Wilma were intict, but the line to Mery was open, A firing sign2l was sent zt H 4 10 minvtes and ' ' ‘ |