An extensive racdiccion suzvey of the islands of Bikini Atoll has revealed several interesting fiscercs of the . 4 fnew at residual environmental fallont xa Oue area ares 2 &@ number AUMs.eST ae TS ne we = Sicticon violas in~ @= Letivy Local : CG. aa yoars mote BOC . Get fueled ee Tem ee a WS ee a ae Pacific where more than 20 nucleas tests were concGucted fzom 19465 to 1953. The survey, conducted in May 19687, incluced measurements of the externai racic tion of the principal isc:opes contributing to the total external exposure rates on eicn island of the atoll. Eecause of the nigh intensity of the radiation flielés generated by tne tests, we wore cole to detect at the tine of this survey many long-lived fission anc activation sxcducts waich were 7% undetectable or unnoticed in previcusiy surveyed Fallout *. © rh G@oOLON wh QO Oo ? Oo i uw tw By i) to relate the residual sacliztion fields vest ground zeros, t WES @lso possible ctt areas because of their trace presence. < , on the atoll to <0 meteorological conditions azifecting Local Fallout at che time of the tests, nwa and to weatherine and radicactive cecay srccesses occurring