the ataosphere is capable of maintaining stratificatioa periods of time as shown by moisture which argues these moves and then st other times it is capable of going through Either vertically, by means of convection, or slant-vise,| by means of adiabatic processes. KELLOGG: X think that we all agree vith you on that it is very difficult and runs through a big range of variation. KRAMIBH: We will forego the individual reports of the comittee interest of getting a discussion of Gabriel started. Ae already know, the conelusions of the o14 Gabriel report vould require of the order of $ x 10° or around 10° bring the vorld wp to # “mean lethal” Sevel of sr”,m that it has been froned out, and I would like to ask Dr. short telk on that. - Most of us were rather perturbed at the vide latitudeof any defints} fionres bet but at least we bave tried to st of them. One of the questions which ve discussed (this outsome pertioularhy Lauriteen, Becher, ani myself) is the question of the tolerance dose end lethal dose for bets rays es eoupared vith alpha rays, and had several things to go by but the argusent which we finally decided vas the following. There fg an accepted tolerance figure for gamealrays for vhole Denartment of Energy _ Historian’s Office aay ARCHIVES ™ VTS