RG ae Se ue z! me 2 _eekiected iz 1956 at Wotko Atoll was made is 4 single-chanael, Ve ae be , . vo ay Pe“a a _ Speed tion, automatic advance gamma spectremeter with @ twe- xa ee ~ oe he: . ” $ach well-sype sodium todide crystal. . wv Por some of the 1952 samples the amouns of sr™ was r determined by the precipitation plus ion-exchange methou of Kamwekata ard Held (1958). Radioactive beta decay data were obtained for some of the 1956 samples. Tre and commen names of the organisms are used in the text tables. The scientific names are given in Appendix Table xs. - RESULES Gross Beta Radicactivity The individual gross beta vaiu3s plus or minus the % per cent counting error from ten collection sites during the interval 1954 to 1953 are given in Appendix Pables A to K. A value identified as background signifies that the counting error was as great or greater than the net ccunt, count after background was subtracted. appendix tables for algae, Tre 1.¢e., data from caconut meat and milk, the the fish muscle + and liver, and sea cucumber muscle are summarized in Table 2. a