Concentration Analysis of Liquid Fractions from Fallout... Concentration Analysis of Solid Fractions from Fallout ww 65 Surface Density of Fallout Components ......e¢-c-ceces Comparison of ‘udiation Field with Surface Density of Fallout 71 MPSS NN Ww Ww Samples oe ne ee Mn nan es wr UM UU Wi Wn Www ~ ao Ww ~ ~J Wn © © © © © © © © BH © © © © Oo we wo we we .. 6 se eee eevee src ener ver evees 39 e ° e e e ° ° e e e e e e e e e e °° e e e e ° e . e e Relative Activity Levels of Np°29, 0237, 7240, “ana Mo% Extrapolated w © 76 Physical State of Activity . 2... ee eee eee eevee 92 Specific Gravity of Active Material Cettling on Decks of Ships Compartments .. 4... 0+ sce erevvevvees 94, Distribution of Fallout Activity with Particle Size, Shot 1 Gross deta Decay .. 6. 1 es we ee were e we wee eee 102 Gross Gamma Decay... 1.2. ee eee eevee es voce 105 Ganma Jonization Decay of Sample 4-Y39 .. 2... eevee 109 Data for Coincidence Loss from High Counting Samples from lil Calculation of Background from Shelf Ratios and Contaminated Plate Readings .....2esce se ceececseeceeee lil Gamma Fnergy Measurements from Rongelap Sample, Shot 1 14 Gamma Energy Measurements from Sample 2-A5, Shot 2... 115 Canma Energy Measurements from Sample 3-Coca TC, Shot 3 115 Gamma Energy Measurements from Sample 4-Y39, Shot 4. . 116 Energies and Gross Distribution of Ganma Rays from Gross Fallout Samples... 1... es ee ee cw eee wees eee 118 Average Hard Gamma Fnergy for Each Shot ......2cecee 119 Average Energy and Average Percentage of "Apparent" Gamma Components for Each Shot at Times Less than 14 Ipys..... 119 Preliminary Summary of Beta Energies ....+. s,s ee evee 120 Fission Product R Values Referred to Nuclide Mo oe eee 122 Amounts of Neutron Induced Radionuclides Produced per Fission Event ....«..-. . . oo ee we ee 129 YAG e «© Component Analysis of Fallout Samples .........00e0s Components ow to 63 to Zero Time s e e e e e e e e ° es e eo e e ° e e e cd e ° e ° e e ° e e e ° e e °* e e ° e e ° e e e e e . e e * e e e ° e e * Number of Atomc of U237 and 0239 Relative to Mmber of Fissions e e ° e e e e Fractions e e e e e ° e Summary of Major Photon Spectra Peaks of Ion Exchange Major Gamma Emitters in Ion Exchange Fractions ....... 130 130 BE BOG ° e e a Ww Ww Uo Analysis of Background Components .......cesesseoc Physical Measurements of the Fallout Samples .....4.4..