—_— 216 what would remain, spiked? DR. FAILLA: MR. E. Why couldn't it be HARDY: Well, actually we ran the soil by extraction techhiques leeching techniques, This wags not complete solution. It would be hard to predict how the strontium 90 ia tied up in the soil orystal lattice and an actual spike would assume that it would remain in ionio forn. That 4s the reason why we did not attempt to do that, DR. FAILLA: You would have to soike it with some more fission product, get it on a glass, something of that sort, DR. Jd. HARLEY? You could mix in etuff. DR. FAILLA! Yes, then you would know whether you are reoovering 50 per cent or 90 per cent. DR, WESTERN: Then you would want to leave it out two or three yenors in the weather,

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