about the best we can do. €DR. CONARD: Do you have any data at all on the beta spectrum? DR. DUNNING: DR. SONDHAUS: I don't. Do yo? Not on the beta spectrum. I think we might be able to make some estmates. CDR. CONARD: That would be nice to know from the point of view of skin lesions. Alderson Reporting Company Washington, D. C. DR. About 80 per cent of. the fallout 10 was Neptunium-uranium;in four days we could make some 11 estimates on that basis even though we do not have a 12 complete spectrum. 13 14 CDR. | CONARD: Anything you could give us on that would be helpful. 15 DR. SONDHAUS: 16 DR. BUGHER: Surely. It might be pertinent also, since you 17 mentioned the figure of 10 REP to skin from an hour's 18 contact, 19 to give the asgmmptions on which that was based _ with respect to the amount of material on the skin, that is, 20 the thickness, and so forth. 21 estimate there was a much heavier deposition than actually 22 ARC SONDHAUS: 23 It is probably true that the occurred. DR. DUNNING: If you recall, I tried to be very cautious and indicate that limited data, the estimates were based on very and on some very shakey assumptions, you