a large
effort
was made
which
The
of ls~cs
abundance
were
against
ganma
obtained
emitting
from
ilticlidesno
the scintillators
137CS.
into essentially
- uniformly
Area
to other
the readings
can be divided
Beach
1.
to correct
calibrated
islands
relative
three
low background
domains:
of approximately
10 uR/hr.
Village
2.
Area
purposes
of this
From
a.
- located
lagoon
the mean
From
b.
report
lagoon
two
sets
side
background
road
two areas
was
of the
of data were
road to approximately
lagoon
these
along
island.
For
obtai,~et:
250 feet
inland
52 uR/hr.
to beach
- 35uR/hr.
together
the mean
Considering
background
would
be 44PR/hr.
Interior
3.
the area within
village
area.
during
obtained
during
that the village
crushed
coral
of the mean
the clearing
cover
and
exposure
exposure
it would
rate by a factor
to
excludlng
indicates
of the
cross
be essentially
as is customary,
road,
operation
and
considered
the
was 86uR/hr.
turning
of the measured
area will
was
perimeter
background
of the perimeter
reduction
in a rapid
the
The mean
of the vqetative
the grading
This
for agriculture.
include
Experience
removal
- used
total
as occurred
island
roads
rate.
If it is assumed
cleared
sem
soil
chat
that
results
and covered
with
an expected
reduction
of two would
be a conservative
exposure
the village
estimate.
Figures
terior
19 and 20 show the
areas.
assumptions
dose may
be
is assumed
as to the residence
constant
time
in each
for
at ~10 u R/hr).
domain,
and
assumptions
(at any age) dose
the figures
shown
for
residence
to children
in Table
5.
33
born
time
the excerrial gamma
are taken,
on Bikini
in-
B/ making
be estimated.
If the following
integral
(The beach
integrated
the
in 1970 wguld