Col. Russell: I think that is a very well-made point. Certainly the Ash Can data with the frequency of sampling have demonstrated large month-to-month variations, 150, 000 feet is a most precious item. I think another point should be considered: We don't really have any. a good sample at One would like to look at many things in such a sample, and I think considerable thought should be given to a sampling device which will satisfy, not only the interest of a given scientist or group, but other geophysicists and people interested in this area as well. example, I would like to see what the Americium 241 and Tu 242 content of a 150,000 foot sample is, that would be vital, for example, in drawing some conclusions as to where Castle is. up there in greater proportion relative to other things that might be up there. For I think I think we might find some Obviously, nobody is thinking about this kind of thing, and many other measurements were suggested by Dr. Machta, things that one would like to measure which don't seem to fit into any individual kind of sampling device that has thus far been proposed. One sampling device will do one thing and another will do something else, but I don't think we have given much consideration to a device that would get as many pieces of information as possible. Dr. Shreve: I guess the general idea here would be that anyone getting a sample he deemed successful should make public this fact so that anyone with special interests in analytical parts of the sample could propose for his own purposes that such and such an analysis be done. As you said, the first samples will be extremely precious things. The "getter" should not feel that he has full proprietary rights. I think that is implicit in what you are saying. My own opinion is that it is the only way to do it, because we want to get the most for the least. Each sample will be precious, not only because these will be only one or two of a kind, but because it took dollars to get. 163-164