CONTENTS Page Introduction 1 Selection of Samples and Sampling Sites "3 Analytical Methods 6 Results and Discussion 8 Acknowledgements 39 References 40 TABLES l. 2. Average Values of Radionuclides in Food Items Other than Land Plants Radionuclides in Eviscerated Whole Fish, * Values 21 Average 22 3. Gamma-Emitting Radionuclides in Viscera of Reef Fish, Average Vslues 23 4. Gamma-Emitting Radionuclides in Troll-Caught Fish, Average Values 24 5. Gamma-Emitting Radionuclides in Coconut Crabs, Average Values 6. 25 Gamma-Emitting Radionuclides in Spiny Lobsters, Average Values 26 7. Gamma-Emitting Radionuclides in Giant Clams, Average Values 27 8. Gamma-Emitting Radionuclides in Birds, Average Values 28 9. Radionuclides in the Surface One-Inch of Soil 29 10. Radionuclides in Soil Collected from the Most Radioactive Part of Eneman Islet 30 ll. Radionuclides in Soil Collected on the Seaward Shore of Eneman Islet 31 12. Strontium-90 in Samples Collected at Bikini Atoll, March, June, August 1969 90sr in Reef Fish) (see also Table 2 for 32