calculation indicated that about 50 percent of the activity was accounted for in the fallout pattern. 3.3.3 Shot 2. Bikini Atoll was not heavily contaminated after Shot 2, since the winds carried mostof the activity toward the northwest. Some data were available from the free-floating buoys, but they were not sufficient to produce reliable contours. The maximum reading observed at 35 miles from ground zero corresponded to a land reading of Exposure Rate , r/he Stohon 220.12 Dog Tatel Expesure to 25 Hours «© 3735¢ Station 220.08 Oboe Total Exposure to 20 Hours * (3360 Ot to 10 20 (30 Time , Hours Figure 3.6 Residual gamma rate versus time, Shot 1. Upper curve: Station 220.12 on Dog, 41,372 feet to ground zero. Lower curve: Station 220.08 on Oboe, 83,762 feet to ground zero. 435 r/hr extrapolated to H + 1 hour. Rad-Safe readings on Sites Able and Charlie near ground zero indicated readings of 4,700 r/hr and 1,100 r/hr, extrapolated to H + 1 hour. The other islands received exposure rates of less than 25 r/hr at H + 1 hour. 3.3.4 Shot 3. The fallout pattern from Shot 3 was ideally located with respect to the measurement stations. The shot was located on Site Tare, on the south edge of the atoll, 47