y Table . Radionuclide content of various biological and physical systems at Bikini Atoll, August 1964. Values for water are expressed as pci/liter and value for all others as pCi/gram dry weight. Tye Seawater __Mn>4 Lagoon 0 Bravo Crater 0 __co 57*® 0 0.97 cor’60 __gn®? 65 sr 90 0.73 0 5.5 0 Ry06 0.42 0 67. om Sh.125 0 0 9.5 3.5 1.1 __¢s 137 Se"144 12. ~ 97. pi207 - - 1.0 0.075 - 0.84 99. 0 ~ Sediments Lagoon Bravo Crater 1.1 26, Plankton 0 Algae 2.5 Invertebrates i8 2.4 6.7 92.* 260. 5.0 106. ~~ 142 ~ - - -_ 2.6 781 2.9 i.l 1s. Grouncwater*® 9 - 27 12. Soils 1.7 - 49, - Rats 0 - 2.0 1.9 0.056 4.& Sea Birds, Shore * 0.055 0 41. 0 - 4.8 0 0 0 - 6.1 0.34 0.56 2.6 15 4.2 Fish Birds, 200. 1.2 - 0.036 ~ 68 1550 - 46, 1.4 0 1.8 21. 0 42 47. 180. Q 0.46 6.0 1,2 0 08 0 350 13 41 170 0 0 260 0 0 0 - 0 1.6 0.43 370 - 4.9 3b. ¢e 0 21. 6.1 Cerium-144 and Europium-155 also contribute to the radioactivity in this column. ** Practically all due to high counts in Namu Island groundwater (near Bravo Crater). 1.4 0.16