6.2.10 Growth of Shot 1 Fallout Pattern with Time It must be realized that the reconstructed fallout pattern de~ scribed in Fig. 6.6 indicates for convenience the leveis of activity t thet would exist should all of +he fallout particulate be down at O+ 1 hr. Of course, this is not the case, for the primary pattern out to arproximately 260 nautical miles was not static until some 20 hr after shot time. Fizures 6.8 through 6.12 show the growth of the pattern with time. The gamma field levels are those that would exist at these times over a land area. In constructjon o° these patterns consideration . of both decay and time of arrival as indicated by Fig. 6.13 were taken into account. 6.3 EXTSNDSD FALLOUT PATTERN FOR SHOT 2 were in the fallout arca as indicated by Table 4,9. data were reduced und analyzed by Froject 2.6a. The total collector TABLE 6.9 - Shot 2, Gamma Infinite Field Levels Converted to r/hbr av 1 hr as Determined by Various Techniques i | Stat Beering from ° Distance from Cimmed Faper Ground Zero . (degrees true)! Ground Zero Total Collector (n miles) Collector Analysis 1 Analysis\a (r/ir) (r/hr) 120 420 Ay 352 13 P, 271 34. Q, 295 34 33 Ry 308 36 435 480 Ty 337 43 220 90 A, 347 52 147 Ds 054 53 Ps 095 53 Gs 115 53 0, (a) 247 34 As evaluated by Project 2.6a. 2 0.24 2.0 1.0 | ; 0 0 | 0.1 110 0 90 ” | - - hey. Bikini Atoll was not heavily contaminated after Snot 2 was deton Nated due to the primary fallout falling to the nortn of tne saot point. Eleven of the samples from the free-floating see stations recovered after Shot 2 were evaluated and it was founc that the main swath of fallout crossed over the station array. Of the 11 stations recovered seven