_— ILLUSTRATIONS CHAPTER 2 2.1 3.2 3.3 4.3 4.4 4.5 4.6 4.7 4.8 4.9 4.10 4.11 17 METHODS Histograms Showing Frecuency Distributions of Engebi Beach Sand . . . . Decay Curves . . . . . . Mass-absorption Curves . . : . CHAPTER 4 4.1 4.2 OPERATIONS Pre- and Posttest Collecting Stations, Eniwetok Atoll, October to November 1952 . . . . . . . . CHAPTER 3 3.1 Page of Radioactivity Counts . . . . . . . . : . . . . : . Rae oe RESULTS AND ANALYSIS OF DATA Relative Radioactivity of Soilor Beach Sand. . Histograms Showing Radioactivity in Wet Weight of Whole Fish and of Fish Tissues for All Stations Injured Goatfish, M. auriflamma, Collected at Engebi Nov. 8, 1982. Histograms Showing Radioactivity of Various Species of Fish . . Photograph of a Singed Plover Taken on Biijirt (8'/, Nautical Miles from Ground Zero) Nov. 7, 1952 . . Photograph of a Singed Noddy Tern Taken on Rigili Nov. 5, 1963 Radioactivity of Preshot Rats and Birds, Wet Sample . . 35 . . . Histograms Showing Radioactivity of Postshot Terns with Relation to Distance of Collecting Site from Ground Zero, Wet Sampie . . Photographs and Autoradiographs of 100-» Sections of Lungs from Rats Collected at Biijiri Nine Days After Mike Shot Detonation . Mass-absorption Curves from Bones of Rat and Tern Samples, Postshot . Mass-absorption Curves of Radiochemically Separated Fractions of Rojoa Dredged Sand. . 4.12 Decay Curves of Radiochemically Separated Fractions of "Rojoa Dredged Sand . 4.13a Photomicrographs of Engebt Beach Sand on Ashing Plates Counted May 1953 . 4.13b Photomicrographs of Engebi Beach Sand on o Ashing Plates Counted May 1953 . : May1953. =... 4.13¢ Photomicrographs of Engebi Beach Band on o Ashing Plates Counted . 4.134 Photomicrographs of Engebi Beach Sand on o Ashing Plates Counted May 1953. . . . . 4.14 Autorad.ograph, Photograph, and Photomicrograph af Biljirt Dredged Sand 4.15 Actual-size Autoradiographs of Eleven of the More Radioactive Posttest Ashed Samples . . . 4.16 Approximately Actual-size Photographs ot Eleven of the More Radioactive Posttest Ashed Samples . . . . . 4.17 Autoradiographs of Algae Exposed to Super xx Pan Film 4.18 Corals Found on Bogallua Nov. 8, 1952 4.19 Autoradiograph of Goatfish, M. auriflamma, Showing Radioactivity, ea NCLASSIHED 72 74 15 76