b.
Quite unlike physical measurements,
definitive
which have a
end point that can be measured at a
Single observation, biological processes are constantly changing and it is only through continuous
or repeated observations that the problems
can be
evaluated.
c.
The
time
factor in
biological studies of this
sort is often little appreciated and it is only
after the lapse of sufficient time that many effects
become obvious.
dad.
The data collected over a period of years will deter-
mine if the selection and retention
of
radioactive
material in a natural environment as at Bikini and
Eniwetok are transitory phenomena or if there will
tend to be a balance at some level with these materials in equilibrium.
e.
Studies of the so-called insoluble,
non-available
isotopes at Bikini and Eniwetok should be made.
example,
For
zr95 was found in the soft parts of fish, >
although the principal fission product ZrO, is insol-
uble
except in
sulphuric or hydrofluoric acid.
3y, S. Atomic Energy Commission report, OC-155
(Classified)
It