220 the United States, and not quite three and a hoif in the rest of the world. I mean that &s one sort of mild indication of the rage. DR, BUGHER: Just ae an exercise in logic, we could arrue Just as well that the whole sampling system of pots, gummed paper and everything else, only apvreciates a fr-ction of what actually is available to the eurface of the earth or what fe bound to it. I think that variability of the ratio: shows that, MR.-EISENBUD: All it requires is an ascurption of fractionation to say, a factor of a little over two which is quite reasonable and consistent with measurements that we meade here in the laboratory which was actually recovered and brought out on the air cloce to the test and at a distance that we find more stpontium on the test papers as we go out a distance, As a matter of fact, two I think would be quite reasonable because this factor of two 49 on top of 1.6 which would bring it up to the 3.2 which is pretty oloce to the 3.8 But I don't think we really know, I mean, we cannot help but speculate about these things,

Select target paragraph3