ILLUSTRATIONS Figure Collecting stations Pigure Prequency distributions of counts of Engebi beach sand 10 Figure Decay curves 15 Mass absorption curves 16 Figure 4, 5. Figure 6. Figure Figure 7 Figure 8 Figure 9. Relative radioactivity of clam tissues, and soil or beach sand at each station Radioactivity in whole fish and fish 39 tissues for all stations 47 Injured goatfish from Engebi Island 49 Radioactivity of fish by species for all stations 52 Photograph of singed plover 64 Figure 10. Photograph of singed noddy tern 64 Figure ll. Radioactivity of pre-shot rats and birds Figure le. Radioactivity of post shot terns with relation to distance of collecting site from ground zero 71 Pigure 13. Radioactivity in lungs of rats 75 Figure 14. Mass absorption curves from bones of rat and tern samples 77 Figure 15. Mass absorption curves of radiochemicallyseparated fractions of Rojoa dredged sand 83 Figure 16. Decay curves of radiochemically-separated fractions of Rojoa dredged sand Figure 17. Photomicrographs of Engebi beach sand Figure 18. Autoradiograph, photograph and photoFigure 19. 84 87 micrograph of Blijiri dredged sand 89 Autoradiograph of eleven of the more radioactive post test samples 90 ere omniaanyene Page