Table 7 No, of i Samples Date Initial Processed d/m/erm - Total Sr d/m/erm % sr?°/er9 0.3 1.0 346 0.8 3 005 | 119 8/21/53 5542 0.6 ! 120 9/2/53 61.2 7.9 121 9/3/53 96.3 122 9/6/53 195 1.2 0.6 1.6 oo 123 9/7/53 250 567 2.3 269 1.0 124 9/10/53 224 6.8 3,0 -- ~ 125 10/19/53 127 10.2 8.0 3el 0.4 126 11/4/53 100 6.4 64 104 Average lel sq? Oa/m 13 --1 R1 -— 4.9 Three samples each from the Ivy and Upshot-Knothole groups previous tables were analyzed for Sr9%, These results are 0.7 Jeported in the fhown in Table 8, Table 8 | : Series Date Looation Sr ®9 45790 pr90 sr99/sr 89 Ivy 11/52 Iowa Jima 32 447 0.90 11 /52 Guam 61 42 0.68 104 16.5 : ! | | Upshot= Knothole 11/52 5/25/53 ae 6/5/53 Luzon Grand Junction Presoott Cortez 39 119 123 6.5 26.8 25.6 0.77 0,19 0,29 0.26 The 90/89 ratios predicted from the data of Hunter and BalJou would be 1.4 for Ivy and 0.18 for Upshot-Knothole,