been working long some of the biological lines which har oes,
mentioned was scuevhat ro~orlented to give greater
te sans of the specific problems, I think in just a fow
aimstes I can cive you a penerel ides of what is gaing
now, with the idea of deriving reliable data which Proj
such as thie we are discussing oan use in order to do thal thing
that Ir, Libby mentioned yesterday — te give expe:
checks on conclusicns which cay be drawn froa somewhat
ninant tleoretical grounds. These studies, 1f you ness
then in dollars, will anomt to about a million and a
tread categorics,
One is the performance of the weapon
itself, in terms of distribution of fallout over given
MASSCH, That program Mr, Risenbud has hed in hand md
you are already faxiilar with that. A second phase concert
iteelf with what is the fate of sone of this material as {
falls, or after Lt has fallen, in the one case to the ground
and in the other case inte wabew bodies both frush and
The question of the fate in the soil has been under investi;
tion by the group at UCIA, Mr, Larson has I think bean
us some.of the results of that, and we have been working
with the Depurtecnt of Agricultare in regard to the distrifue
tion of suse of this material in soils, and to a certain
extent of the movenent of mixed fission products in soils,
S4Y