234 addition total rare earths ani zirconium, a With those you can generally come up with a pretty fairpercentage, Bt you see when we gend youia strontium result and a cerium result, right away you say what is the rest of it So somehow we want to get some sort of a total figure that will represent more or less what the activity is. DR. BUGHER: MR, COHN: The total activity, We have been doing strontium, barium Alderson Reporting Company Washington, D. C and the rare earth group. On the fish we have broken it 10 down a little further and try todo individual isotope il analysis on sirconium and ruthiniua. Further than this we have not gone because of the 12 13 difficulty of doing a large number of samples. 14 a tedious procedure. 15 group in mostof our samples accounted for 70 to 80 per cent 16 of the beta activity. 17 18 - 19 20 21 22 | plans to. “ Strontium, barium and rare earth DR, BUGHER: How about plutonium in the soil? MR. HARLEY: We have not run any. yet. ¥e hee os I don't. knowabout Payne. MER. COHN: We have plutdnium outside of thefruit, cocoanuts, papayas of the order of 10 to the fourth $ micrograms of plutoniuna, 23 DR. BUGHER: 24 MR, COHN: ARC 25 It is quite On a fruit, I take it. Yes. We have also meesurenents of plutonium on thatch taken from the top- & the native huts, tEr Erargy 3