Oo
-
2
|
(4)
Bikini Atoll consists of some 15 islands and 2 island
complexes made up of a number of small interconnected islands
(Pig. 1).
je
The islands are located on 4 coral rim surrounding
a lagoon 22 miles long and 13 miles wide.
of the atoll is 2.32 square miles.
Total land area
Over haif the area is
included in the 3 largest islands, Bikini, Eneu, and Nam.
The largest island,
Bikini,
is 24 miles long and + mile wide. =
ras
b
*
The techniques utilized on this survey were largely
wt a
~~
those developed and used by tne Sealtn and Safety Laboratory
(HASL)
for the past several years in conducting detailed
ren
investigations of the properties of the external radiation
environment in the United States
(1).
The prime instrumenta-
at
field spectrometer system for
in situ y-ray spectrometry, and a number of hand-held survey
type instruments
_.
(G-M counters and scintillation detectors)..
A total of 16 working days were spent on the atoll, but
s
because of the number of islands to be surveyed and the ee
Ad
difficult logistical problems and environmental conditions “"
%
°
ee
,
mw ot
. Adifficult access,:dense vegetation, high temperatures, _
~
»
-”
-
e
SO mw at ede
a
1
~
8
i Be o-salister
Te Ee
eg
ee
te
PR eh
SERa
be
me
+
te
ee Bom
cae
*
Fe
oma
vB
rk
yh
oH
lg
:
:
lt
(wage at
ek
em
weart
wee
.
:
:
-
,
eg ee
~ te
4
i
:
.
Pe re
meme
i
i
i“
BO
bee
PER ee
4 gibi
:
wee ee
=
-
Pinte
~
2
cn
ae
ie
.
a
te
a
eo
1 RE RT SeIE capil 8
Notes
Kier
et MT Aap Bate bake
.
cs
oS
—
.
.
T
-
fee
ew
seme
ea
y
at”
nial
tees
ave
no
——
a”
:
.
-
.
%
soe
nal a, era NG
pe.
pe
~~
aetna
~
“’
eg ERoe ee as
rem came
ae
=
-
ate,
an
w
San
=
.
te ee
~
.
.
ea
-_
ow
-
Ce eee
~
eon
es
~
ee li
~
.
m,
=
4
h
tion used for the survey measurements included a hich-pressure
ionization chamber, a NaI(Tl)
,
7
oaLove
”