Is this relative to the present problen? If this elowl fs within the stratesphere, is it a close-in pro it's gas? Mo, this is the point applicable to the long range pro we bee KELLOGG s WEXLER g net at the surface of the United States would give you indications as to whether it's possible for that otra would be a useful bit of inferuation = Af ve oan posits Adentify that {aformation vith vint he oollectewiththe pertiodlar tests | LIBBY s _ Well look, Ae we gpas I euggested the other day) te Thankegtving and find the stuff coning inte rein, docen! prove that the stratosphere bas redicactivity in it? WEXLER: Rot necessertily. LIBBY: Why not? WEXLER: Well, let me ask you this. Would you knew initially whe the stuff waa contained within the stratosphere ccuple begin vith and not below? — * . a te