wok 7 UR. EISENBUD: We now come to the discussion of the findings of the fallout moderating program, ZI don't need to give you too much in the background because it was reported to you previously. This map illustrates the location of our overseas stations end here we have the location of the United States station. This network hae been operating since 1951 and to date we have accumulated about a half million samples of information that has been processed in that little room in which you have been earlier this morning. I will ask Dootor Harley to report on the results on what we call our cumulative fallout date up to date. DRe HARLEY: Largely our problem has been one of increasing nuclear activity on the part of Russians and others as well as our own and whereas formerly, we used to take a large series of samples,that is daily samples and analyse these for total Beta activity and. calculate Various things we wanted to know, our perspective has changed slightly.

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