-14- fable 4. Summary of the levels of radioisotopes in five selected samples I Clam kidney Belle Is., II Fish liver homogenate Eniwetok Atoll Isotope Unknown anions Rut_pytOe 2x95 Np95 y?> 9-22-56 cst3? Min? Fe”? Pe? Co! gr 9° Bikini Atoll 9-22-56 Fox Is., Bikini Atoll 9-23-56 d/m % d/m % aoe --- --- --- 4,980 1.2 dfn % --- --- 13,000 0.7 eee eee 2,710 0.2 ~-- --- 46,400 2.6 a~-- --- --- --- | _ _ _ | we ~ a a en ene _.. —— _— __. __. —— 8,600 20,600 --11,000 6.4 15.2 --8.1 8,200 250,000 488 12,900 1.8 55.5 O.1 2.9 eotak Shaty gr89 How Is., III Bonito liver 38,500 2.2 1,300,000 73.5 2,680 0.2 170,000 9.6 100 = ~~ Coe 162,000 9.2 4,800 3.5 4,130 0.9 °° 32,200 1.8 9,800 7.2 13, 400 3.0 78,700 58.1 156,000 34.7 zn°? --- ~-~ * Based on the ratio of Fe? to Feo? observed in other organisms collected at the same time

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