‘x Table I, Gross beta radicestivity of the biological samples sel) ceted at Utirik Atoll 1954-1958, e at time of amalysis. The 0. 193," _pesies Tissue ear d/m/g esed in 4/n/g of wat tiseus counting error is tneladed. 1955" Collection a/a’g iyseer* Gelilleeties Pipe } lagts a Caulorpe Rhtire ef > 7 3 1530 2 ek Codinn Entire ° / Lyngbye and Plants Arrovreet Breadfruit econat . . 7 2 162 6070 - 13% + 7120 - [260 2 86 3100 2 77 Meat bh = ued Pruit 13 Meat Keat tik Be emt she 1200 : 32 Lee 3 3S 31 = 4.2 I 3 2.6 . : 2.4 It > 2.0 4 = 1.o u.2 2 .80 72g 2.6 18 - 2.2 he Samples were célieeted S-17-, during Operation Castle and were coanted 6-11-5h semples were solleste? 1-23-55 seven months after Ceatle and were counted 2-2); oynr+0e were colleeted 7-16-58 during Cperation Hardtaek and were counted 9-8 +