THE ATOM RATIO OF “°py/22%py is DIFFERENT
FOR GLOBAL AND NTS FALLOUT
OSZ
:
. 23%Dy is made in reactors:
238yen _ 28%)1» 277Np =—_»231py
by is a contaminant:
29Py +n —w “Py
| 288)) + n= 240)) » 24OmA, -» MOP,
Thermonuclear explosions produce,.¢ high neutron
“Pu from “Pu and SU,
flux and also meke
and thereby alter the vatic of “Pa to “Pu.
(LRA-44)