photographs, Two project personnel were stationed in the Prorrem 2 Control Center to consolidate data from the various projects andi to assist the Program Director in maintaining a situation plot. RESUETS ~ - \ Aerial survey of Rikini Atol] following the covered islands between Bikini and Fokororyuru. (Navajo) Nepligible levels of contamination resulting frem this shot were observed on other sections of the Atoll. The result of the D-day and ? #2 day survey is shown in Table 2.€5-1, Extremely heavy an? steady reins occurred between the D-day survey and the D #1 day survey, The table shows that the D #1 dey readings are very lew compared to the D-day readings. A gamma dccey ~ factor of -1,925 ictermined from laboratory gamma decay mezsurements for early times was used in converting the D-idsy restine te U {1 hour valves. The sampling stations on Remurtlu, Yurcehi, Pokererrury, Arriike-: and Aivukiiji were demare? by the water weve. Bokchyaadaa. Samples were obtained cn Namu and The time of arrivz:l of significant fallout activity at Namu wae between 30 en? 35 minutes. The time pcricd 2uring which fall- out oecurred at its maximum rate was between 45 and 5C minutes. Sig- nificant fallout ended between 11/2 and 2 hours after detonation at the Namu station, ae’GE TARL BE YY wW