Abstract
Radiochemical separations were made on selected samples
from the Pacific Proving Ground by means of ion-exchange resin
column and precipitation techniques.
The isotepes in the sepa-
rated fractions were identified by their half lives, maximum
beta energies, and gamma energies.
In addition to radioactive
fission products, the non-fission radilolsotopes, Mn", Fe>?,
Feo,
Co’,
samples.
C02? 3
C0,
and zn°?,
also were identified in some
The latter lsotopes accounted for almost all of the
radioactivity in the zoological samples of marine origin.