against doing this from an understanding of turbulence and things of this sort. What I am interested in finding out is vhat the dfatribution of this stuff is vith altitude and how long it stays there. able to have sose sininal progran of ballon activity might give you this. this sort. rou might be a mente vhich Distribute them around the earth or You could get a balloon progrem, on a very | Bomething of om scale vhich — would give you some idea but the focus of the problem woulll be to deternine how much is up there and what its distribution is and what ite loss froma the atacephere vould be. KELLOGG: Did I understand youto mean in a little different vay, A tte cap think vhat Harry meant, that ve von't te able to use this < a for any fancy analyste of diffusion rates but it will be some Qtredt evidence on vhere the material goes which ve do sot at present have? * And 1f youcan just throw add{tional light as to whether tie vertical = + movenent of the stepdown is done mostly be rafa or by nonrein. That . ponrain te extreaely isportant becauseif this is strateapie erat a it hesgot te get down frou thestratosphere to rain-be i levels so tat you have to throw Ilght on both of those mechentsas Would you genutienen hasard a guess as to the diffustoa coe z lanbasted those things yesterday and thenfore T haveat iclents? owed myself. X just dou't delleve a cunber can really express the couple rity of this whole problems. Comprising a whole range of scaething that cigarette sacke to thunderstorm. They all enter into this effects u {ness but I do think that ve have plenty of evidence, {indirect evfdence, that oe lartecss# ae Energy” oe “Tt fige 4