- oh, We bave observed the activity from the Alemagorde bombs over a period of 5 years and cannot find any penetration deeper than 2 1/2 to 3 inches <= this is confirmed by the plutonium extraction only. That 1s the gross fission product activity ve. the alpha activity. dnsther experinent that we did was te take some 0 to 5 micron fraction material from Snapper 7 and leach it with 80 inches of water in a oolum that was 6 inches in diameter and 2 feet long. After the 56 inches of leaching we were not able to find the activity penetrating the soil any deeper than 1/2 inch, if that mich. KRAMISH The plants that the human will ingest will come from cultivated areas wili they not? There will have been considerable artifical mixing dus to plowing end other human operations. jo we probably have a different aituationhere where plants can get the strontiu. This is the important area too. As a dumb but daring meteorclogist, can I interject myself into this aubject of which I know nothing? Lets just take the number of people end multiply it by this figure here te get out how mush strontium you want to innoculate each person. Won't shat give you at least the minimus number of bobs? That would hardly come out to be a little less than 1. That's something I didn't know before. eDRe MITCHELL The figure is of 1 gram Sr7 will 150 million people to saximum permissible dose. ay DUE ARCHIVES ro égo oF o