“ Yt (Continued) divide this by the crea of the earth this number comes oht 20,000 Strontiua 9 atoms per square centimeter. If we we shot off say 1,000 beabs this would be per kiloton present assay is 1 dpm per square certineter. knew from the rough overall yield figures. That is That is how there is, in other words the limited detectability is e one square centinster for uniform distribution at the The human tolerance is equal to a million square cortine That is the ingestion of the Strontium in an area of a Squares centineters, that is 10 meters square - you 3vall wuch, you are up te human tolerance at the present time. doen't know that any other remarks at the prasent tixe particularly pertinent. How, naturally these are the things to do and it will be easier to do Richardson's, ve done I am quite certain. Departmet of Er ergy Historin-’s Ostigg ARC2YZ3 /GA