A sample of coral sand wes scoope2 up from the ground an Somoen Island for leacning studies to determine distribution The sample was of activities within the fall-out perticles. lee ched once with weter and then with successive portions of t41ute hydrochloric acid. Data are given in Table 2.6b6-2. weight of total sample was 2.1453 ¢. TABLE 2.6b-2 ACTIVITY REMOVED FROM AOMOEN SAND BY LEACHING CORRECTED TO K+12.2 DAYS ; ; F , , Leach Ne. Wed ght Dissolved (mg) 1 + Zrd? at Zero Time 4.8 x 102 63 aB.4 2.12% 103 2.8 x10! 1.0x10! 50 97.3 5 6 91.0 187.3 3 378.5 )’ 1314 Mo77 Mo?9/ zr 99 1.7 x 103 4 3 Gross F.P.'s . 1.40 x 10+ 88.9 7 (c/min/mg ) 2.4 2 3 Specific tetivity of Solution 6.41 x 103 6.1 x10! 6.2 x io 9.15 x10? 9.4 5.61 x 10° 2.73 x 10° 127.8 1.57 x 102 179.0 4.07 x 10% 3.8% x 102 5.7 Not Determined Not Determined 9.0 x 1072 5.1 x 1074 6.4 x 1072 2.0 18 30 3.2 6.0 Undetectable 4.8x1071 Very Low pata not yet available - | =-2:ctor calibration data for this operation are not available at “sis time, However, some indication can be obtained from the fact that a Ho7?/zr9) ratio cf atout 22 4s usueily obteined in the hone Tah : 3 +scOratory for a therméel bormbvaerdm ent of p23, Copleasnog NL. t-Diy. on _