ee a ae ei ne ~ a Table 4.8-— RADIOACTIVITY OF SEPARATE TISSUES OR ORGANS OF DIFFERENT GROUPS OF INVERTEBRATES, POSTSHOT*f Invertebrate, organ, and tissue Collecting stations Japtan Igurin 0.076 0.081 0.14 3.7 9.7 64 Rigili Bogallua . Runit Engebi Aaraanbiru 460 7,600 15,000 220 31 4,300 110 Digestive tract and contents: Clams Crabs Sea cucumbers 74 530 200 5,900 Muscle: Clams Snails Crabs Mantle: Clams Oysters Snails Body wall: Sea cucumbers Gill: Clams Crabs Sea cucumbers Liver: Clams Crabs Shell or exoskeleton: Clams Snails Crabs Entire coral 0.055 0.049 0.15 0.25 0.10 0.39 0.25 0.76 3.4 1.8 $4 10 . 410 2.3 22 4.8 120 2.0 4.3 1.3 3.1 120 0.52 1.5 15 4.1 0.057 3.8 15 110 52 0.12 0.015 0.063 0.22 0.64 0.48 49 3.6 190 51 0.33 0.050 1.1 0.61 3.9 29 120 24 Background Background 0.16 Background 2.2 0.60 1.2 0.55 9.1 8.0 23 15 123 45 18 3,000 750 2,700 20 59 3.1 4.3 12 9.8 100 12 8.8 3.9 3.1 17 35 * Measured in disintegrations per minute per gram (x 1000), wet sample. t For n, maximum, and minimum,refer to Table C.2. UNCLASSIFIED ROOO J, a | _@ ca