I don't know much about metecrology, cf course, but it sean to me that by the time next Thanksgiving comes exound it will have reined out all this stuff that’s dam below in the weather layers. Anything else that comes is then leaking from denmue. o « « « storage upstairs. WEXLER: Why do you think you've rained ent everything dow: below’ LIBET s Well, that will have been six months since... WEXLER; Bat rain is a pretty spotty thing. LIBBY: Oh, you think the wahing tine for the atecaphare might be longer then six monthe? I ww essusing it watld be shorter, to wash out all the dust. Sak the advice of the metacrologist ~ my fealing ta that it is by uo means certain, but everything in the troposphere is completely washed out in six months. What do you think, Ben? BOLZMAN: Well, I feel as spprehensive ag you are. I don't think you Gan state for sure. LIBBY s Well, let's put it another way. How can we tall? It would seen to mo that there's a washing out tine for particulate matter in the lower Isyers. Wow we don't know what it is maybe, but this would be « thing which would certainly not be over a year, would it? Jt would be shorter, perhaps, than the tine for stuff weyupstairs to cane dow and diffuse nee a “oe “ - ms Lot ae DOE ARCHIVES Mes %. B eet ee