SURVEY
INFORt’lATION
Tabulations
for
the islands
of Bikini
Atoll
on the followipg
pales
will
indicate:
the
1.
background
Baird
Atomic
2,
a summary
3.
results
4.
when
islands
weicjhtinq factors
were
change
This
table
effective
exposure
initial
*Decay
1S7CS,
and ciisnosal,
in exposure
it was
decav
rate
necessary
~ittin9
assumed
by depth
as a
for the
to develop
radionuclides
is due
identified
0.62 MeY was
taken
was
from
The
from Table
tabulation,
rate
this
final
calculated
curve
of the
./
K
J
Isotopes
data
for
and
rates.
10ZmRh
from
their
Per
lozm~~
corrected
tabulation
using
Since
of Photons
factor
rate weighting
Perllllan.
the only
decay
rate.
and number
exposure
and exposure
ana that
tend to give conservative
(4)
were used to indicate
and b!onq
ene~y
taken
then
soil
ra3ionuclides
to the differential
in their
per disintegration.*
reduction
the
on the exposure
included
The
the various
but would
Connors,
by effective
that
throughout
nuclide
and ~lotted.
concentration
scheme
of each
the nuclides
energy
rate
it was
report,
of Crocker,
normalized
for 2.96 gamma
of time,
an oversimplification
effect
disintegration
removal
of the background
reduction
concentrations
The data
were
against
and,
of the ga~a
distributed
not among
a
of soil samples.
is obviously
the relative
with
RELATIONSHIP
the expected
for each
in relative
results.
was
RATE
of this
uniformly
calibrated
waste
projection
as a function
in the analysis
as measured
of time.
to estimate
For purposes
analyses
appropriate,
rates
scintillator
radiological
of samnle
CONCENTRATION-EXPOSURE
various
exposure
NE-148A
of the
function
In order
gamma
of the ccmosite
the decay
factor,
factor.
- Ledever,
Pol_!ander, and