Table 5; Radioactivity of Invertebrates Other Than Coral, Maroh 1954-0otober 1955 ,Values expressed in uc/rcg of wet tissue Date and Area Rongelap 3/26/54 organism Atoll Kabelie sea cucumber giant ciam rock orab 7/16/54 Kabelle 12/8/54 Kabelle 1, 230. 5 spider snail li Labaredj hermit crab ‘ Integu; Gut and ment or * » Muscle Content Carapace coconut crab sea cucumber giant clam hermit crab coconut crab sea cucumber spider snail 6 9 10 1 4 9 10 1 11 1/26-30/55 nerite snail 12 Rongelap nerite snail 12 ghost crab 7 red-eyed crab 8 a J 29 oc 7 ne Pe rock crab hermit crab coconut crab Labaredj giant clam Kabelle % “ sea cucumber coconut crab orange sponge dejen sea urchin giant clam octopus 6 9 10 i 1 10 3 13 2h, 1660. 270. 64, 1640. 118. 1170. 83. 9.1 5.0 1.3 3.0 1.5 1.8 7.2 260, Gill eho, 730. 1360. 2400. 450. 590. 61. 29. ll. 23. 13. 41, 28. 71. 124. 10. 37. ll. 2.2 0.73 806. 0.73 0.73 0.35 0.64 2.6 0.42 0.27 0.22 2.2 0.32 0.39 0.04 2.3 3: 14, 8.6 5.5 0.085 0.55 4.8 200, 5900. 2500. 3.0 3.8 3.5 55. 9.12/ ' 129, 5.08/ 10, / 0.312/ ¢ 0.2 0.23 0.59 0.27 0.43 0.73 2.0 2.8 590 .2/ 3400 .2/ 360, 39. 19 0.37 0.82 260. 4300, 28. 0.91 0.58 0.22 51. 540. Oo, 037 0.29 0.11 Misc, ‘ 1270. 0. Liver or Visc. Mantle Gonad Mass Kidney 2.8 1.0 3.5 12. 2.1 12. 1.13/ 30. 17. a/ 0.437, 5-549 1.88