to A an HARDY, RIVERA, AND CONARD Table 3— THE RETENTION OF 8'Cs IN RONGELAP FOOD (MEASURED BY WHOLE-BODY COUNTER AND FROM EXCRETION) AND THE RETENTION OF Sr (MEASURED FROM EXCRETION) Days after ; ingestion of Rongelap food i 2 3 4 7 10 BiCs retention, nc Whole-body counter 42.56 38.88 45.38 46 50 36.80 53 60 70 74 50 36.16 32.88 88 25.68 27.73 . 22.11 19.19 14,34 160 170 180 | 190 2.17 47.22 1,98 42.10 1,386 37.71 1.76 33.73 1.66 30.42 27.33 1.6 1.52 24.97 1.44 22,96 21.02 1.37 1.32 19.38 17.91 16.56 15.26 14,22 1.28 1.21 1.20 1.17 1.16 13.22 12.33 l.i¢ 1.14 55.64 33,21 32 39 40 164 53.34 57.10 55.71 51.06 46.83 110 i208 120 146 150 39Sr retention, ne 57.90 il 18 20 29 3 90 100 1035 Excretion 9.37 11.50 . 10.81 1.14 ‘ been observed by other investigators /*/1%!" was not measured in this tudy since the acute-ingestion period was longer than the expected half-life of the short-term component. The “Sr retention curve as determined from excretion data (Fig. 6) does not describe a single exponential function as is the case with “’Cs. The whole-body retention of “Sr is more closely represented by a sum of exponentials **" or a power function.’ In this

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