‘¢ am, ! Lf) 1 irvey poo raciation leve s complete helicopter survey omemesems confirmed the low contamination levels encountered by the initial survey. Several plausible reasons have been eivanced for the absence of heavy contamination, The most reasonable teing that the water waves generated by the blast washed over the land areas and washed the early fallovt aisay. 6, WILSON I cloud tracker vas directed to rake a stendard E-type’ search beginning at H+6 hoars in a sector, true tearing 030° through 060°, with apex on BIKINI, RONGERIX.e WILSON I ves instructed to return via UTIRIK and WILSON I reported no intensity greater than 50 mrfhre II fles the pattern indicated in TAB , beginning at H+i6 hours. II encsuntered intensities no greater than 10 mr/hr. WILSON WILSOM lew intensities were encountered throvghout the flight indicating a general snecring of the bomb Gsbris by the light and variable winds at verious levels, Ts The ~ on off-atoll monitoring stations sibmitted radiation reports or an hourly schedule beginning at osoMH, 12 June, and contiried on this schedule through 2000M, 12 June. No sigmificant increass in background adiation readings were observed at any of the off-site locations through 5+3 days. .