2, Where this fallout will fall out 3. What will happen to it (a) how much will decay or otherwise be harmless (bo) how much will directly affect man as internal or external radiation (c) how much damage, if any, man will suffer from it C. Using the knowledge now available, how much information does one need to postulate concerning the characteristics of future weapons firings (test or war) so that one could predict with a certainty appropriate for policy-making purposes the same sort of information as discussed above for future firings? 1. Is such a prediction possible even assuming unlimited information concerning the firing characteristics? How would it be made? 2. Isa postulated rate of firing (yleld per unit time) heaningful? What in principle does "present rate of firing" mean? Is a postulated.vate of firing sufficient information by itself for making the sort of prediction named here? 3. How does oné take into account such problems as divers sites of firing, firing of weapons whose characteristics are not known, in weapons type and burst differences 4, Ave the present criteria for biological damage adequate and are the related measurements adequate so that one could predict with a certainty appropriate to policy-making the future hazard, if any, owing to future weapons firings - even if he could forecast how much fallout there would be and what would happen to it? If the criteria are adequate, how are they put together? 5. If one had before himself a working definition of hazard that was satisfactory from a moral or ethical, social, political, and economic point of view, and if this definition was stated in terms of measureable or observable phenomera in nature (including man), does sufficient information exist so that he could determine, again with a degree of certainty appropriate to policy-making, whether or not a hazardous situation exists now or will exist in the future forvariou8S possible circumstances of weapon firings and radioactive fallout? Could he determine | ithe degree of hazard? their answers are "no", is it possible to state what information is lacking and how it might be obtained? ~ 23 - If

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