‘
ren
ad
+.
indent
fe tan
(5)
+ ay ie:
ilonizaetion
chamber measurements to 16 rterreserntiitive iccactions on the
Eneu,
and New.
Tae henc-helid survey
aa
main islands of Bikini,
meters were used for the remainder of the survey measurements.”
-
The survey meters were first “field calibzzted" at the prime
:
:
"
~
.
measurement locaticns, l.e.
.
‘
compared with the more accurate ionization chamber and
eo
rg
3
-
Gy
me
_
awe
ea
.
*
e
*
.
-
;
;
meee
.
a}
tne survey meter reédings were
i:
.
.
cian
~
~
spectrometer measurements =o catain a@ calibration factcr for
medeaeRE ns
~
ae
ma Fo me
ee
Lam
wean woe
ae
ee camel
=
7
the particular
canma-ray
ssvectrun
enccounteread
in _tne Ilielid.
mhkac
=
Reale instruments
3
a
z
x the survey
snese hand-helc
were <<:
tren “eee
usec tTtc extenca
%
-.
Om
=
37
tnroughout
tre
atoil.
leveis
izrcm isiane to islané end on inaivicual
hy
oss
—
mwa
eXTEermar
we ene a oe
Ganka
mae oa
.
Paaitatrticn
>
*
a2eVvVEws
considerably from island to island
islanés could
Dawes
=
Douna
—
LO
arourc the atoll.
— a
Vaay
It was
possibie, however, to roughly ciassilty mosc islands into one
i
or three general areas, characterized by the relative
f
fields.
one
‘
so then
wee}
s
These areas are blast areas immediately surrounding
the ground zeros of tests where the highest exposure rates
5005781
i,
Lee
ge
~
oe
etl Ate
wae
*
yenae
-
“f
7
—
oN
=
-
ee
on
+4. *
exposure rates and also the composition of the radiation
I
—
-
:
w= +
wel 3
4.
“ ™
;
Tn
.
—
=A
mee li tee Re
+
~
.
:
In
this
way
che virlacrlons
in
radiation
-
--
i.