BUulKAN s (Continned) purging itself even at very, very high levels and for reason I thought that some of the data that, well in one of our bther prograns might be carefully anslysed and so give us a lotlef information as to how much the atzosphere is purging itself of this debris, LYBBYs Do you fragine that it might be at great heights? That the radio- activity might be at great heights? HOLZHARS: Well, I got the feeling from your remarks and othere that/this thing might hover at stratesphsric levels .... Ien't your point coming to say that your guess would be VOICEs radioactivity, assuming a period two or three nontha af that the radinactivity would be pretty well distributed? That is right. It is pretty well distributed but it is ACLIMARNs being purged and that data even at lower levels can de yred to give you a pretty good indication as to what is going on That is what I was getting at so that there might be suf data around with careful study that could give us sone that we sre seeking here. If this were true then it would seem that -isenbud's data VOICE: show this, because let us assume that there is a six month] half-~ life then he ought to have a six acnth slope. on his f i my Ty he doean't have that. ($4