54 MR. HARRIS: The values were so low that although we have better human information on excretion at various times, the amounts we found in the urine were so low that there is no significance attached to these numbers. We tried it with small volumes of urine and large volumes of urine, trying to go as high as three liters of a pool sample but this does not work because the residual that you get and the troubles you have with self absorption in counting these, Washington, D. C. Alderson Reporting Company 10 using the larger volume, negates your result, Especially in this highly com entrated urine -- 11 this is very interesting as a sidelight -- in the standard 12 procedure at Los Alamos in these urines tlt they use daily on 13 all personnel, at the end of the system there is practical 14 ignition of the residue takes place, 15 out and pieces of glass break up and fall in. 16 and a great flame shoots On the natives this was really something to see 17 because of the concentration they had. 18: number you cannot depend on. 19 the amount of plutonium made in this particular device, 20 university is still too great to use plutonium to come out 21 with the number of fissions. 22 23 ARC 24 25 DR. BUGHER: I If we take what is known about take it you did not pyrotechnical displays to radioactivity. MR. COHN: This plutdniunm the ascribe those The Japanese did. There were a couple of other interesting items that I might bring up. One concerns the internal J