Table 2. Gross beta radioactivity in uc/kg of wet tissue at time of counting of invertebrates collected at Rongelap Atoll on July Name of organism Common Scientific Sponge - and 18, Specimen Island Kabelle number 77 uc/kg of wet tissue ( Entire QO. 18) Mantle Clam Tridacna gigas Tridacna noea Hippopus hippopus Tridacna noea Kabelle " " Rongelap WY i] i tt ft tt Macoma(sp. 7) 7 70 71 72 39 60 61 63 Snail I.ambis lambis Lambis truncata ' Nerita plicata Sea cucumber Holothuria atra 'Y ATHouv £00 17 ‘ Kabelle " Kabelle it wt tt "4 tt " " Rongelap 4 I and Muscle . 009 . 040 .018 . 052 027 _ 027 (Entire, soft Foot and mantle Visceral mass . 44 2.2 039 . 086 i, 4 4,0 . 68 . 096 0.031) 4.5 76 73 12.1 _17 6.8 41 67 68 69 36 O7 98 Gonad 14 .3l .15 .027 . 034 . 038 .20 2.8 Viscera 1.2 99 _17 . 40 74 79 Kidney 3.0 Gut . 26 18 . 14 . 068 . 10 . 050 Integument . 034 021 .053 .017 .012 .O15

Select target paragraph3