~ 5- The effect of weapon type and size from the point of view of fallout produced, both local and delayed The effect of the type of burst on the radiation and radio- activity resulting and on the fallout produced VI. 1, Air bursts 2. Ground or surface bursts 3. Underground bursts 4. Underwater bursts Atmospheric Transport, Storage, and Removal of Particulate Radioactivity (oral, inserts, bibliography) A. The types of fallout defined and described, and the conditions under which each type is produced - physical characteristics of particles, cloud formation, condensation, etc. Local fallout 1. The predictability of local fallout a. b, Theory of predicting fallout Models of radioactivity within the cloud (both Nevada and PPG), dependence on type and yield of weapon and type of scavenging material Meteorological transport, examples of fallout under different winds, and in massive attacks Uncertainties in model and meteorology Weathering and redeposition of particles Decay 2. JCAE Observed patterns of local fallout a, b. Patterns of external radiation in Nevada and the PPG Radiation levels as a function of time. Radiation dose to unprotected persons as a function of time of fallout from fallout Fractions of fallout observed locally Factors affecting patterns of fallout

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