IRS
and 5600 from the NM
9500 from Enewetak,
ted
lec
col
samples from Bikini,
n
s have bee
[ant t 2
os ape Pi berg
comes retrcriporps cet focal fownf prrewbar
Coon tratien cpr ye vee wear hee
Dyetar vem
Moy
since 1975.
are available.
ing increments: 0
are collected for the follow
All soil profile samples
40 cm, and 40 to
15 cm, 15 to 25 cm, 29 to
to 5 em, 5 to 10 cm, 10 to
soil is collected for
imately 500 to 1000 g of
60 cm. A total of approx
ed by high-resolution
Samples are then analyz
each profile increment.
concentrations
ermine the ‘Cs and 241 Am
gamma spectroscopy to det
centrations of
con
the
cedures to determine
and by radiochemical pro
u.
“P
e cases, 41 Am and
woe 7! by: and in som
cm, 0 to 10 cm,
ns for the profiles 0 to 5
tra
Radionuclide concen tio
are calculated using
to 40 cm, and 0 to 60 cm
0 to 15 cm, 0 to 25 cm, 0
and average for each
5-cm increment. The isl
equal weights for each
m, etc.) is calculated
—
dept
on the island.
s for each profile taken
by averaging the result
from Bikini Island
es
in Table 3 for 94 profil
results are summarized
profiles have been
soil
of
Island. Hundreds
u
Ene
for
es
fil
pro
84
and
visited during the
Atoll and from the atolls
analyzed from Enewetak
NMIRS.
52
Np
TY,
“Aan
Hiking island
Chicken muscle
Chicken liver
Chicken gizzard
Pork muscle
Pork kidney
Pork liver
Pork heart
Bird muscle
Bird viscera
' eggs
Bird
Chicken eggs”
Pandanus fruit
Pandanus nuts
Breadfrunt
Coconut fluid
Coconut milk copra
Puba/Jekaro
Drinking coconut meat
Copra meat
Sprouting coconut
Marshallese cake
Papas
W '
ater
Mal meer
fate ¥
e/tea
centrations
son Radionuclide Con
pene Fe
Padarruds
ine and water sample
of plant, soil, animal, mar
ions ohsérved im
le 2 are the concent rat
The data presented in Tah
trations in the
cen
con
ll. The radionuclide
Ato
ini
Bik
at
ts
duc
pro
food
RS are much less
atolls visited for the NMI
came food products for
The concentration
le 2 for Bikini Atoll (9).
than those shown in Tab
wn in Figs. 5
normally distributed as sho
of '“Cs in coconut is log
tra
cen tion data in
l of all radionuclide con
through 7. This is typica
distribution. The
the
ficient data to evaluate
islands where we have suf
centile of the
per
h
70t
a falls at about the
dat
the
of
ue
val
n
mea
about the 96th
the mean value falls at
distribution; three times
percentile.
t we can directly
al foods available so tha
It is preferable to have loc
ble portion of the
concentration in the edi
measure the radionuclide
te a living pattern
y it is necessary to evalua
plant. However, frequentl
food crops. It is
any
idence island is void of
where the proposed res
determine the
to
gy
olo
4 predictive method
use
to
ary
ess
nec
n
the
if people were to
n that might be expected
radionuclide concentratio
accomplish this by
nt subsistence foods. We
resettle the island and pla
uclide concentran ratio between the radion
developing a concentratio
s where local foods
in the soil on those island
tion in the plant to those
Weredicerrres fade
232
216
94
0.055
0.4
OB
0.033
6.9
199
Bird
eves”,
fird eggs”
eggs
Chicken
j
¢
Cen nad copra
vay
Drinking coconut me at
c
ce meat
oprouting coconut
Marshallese cake
i
1.79
0.67
—
(1.04
0.04
O18
0.0
0.057
95
O54
199
-
1.73
104
123
:
_
3.8 (-4)"
.
48 (3.8
ma
5
I's a
1.9 (-4
an
(_
mee
. lon
21.6
4.44
a1 (-4)
57 (—5)
8h
0.0195
5.02 (-5)
7A (6
(5)
(—A)
(-5)
(—4)
(-9)
(—-f)
D4
24
24
24
a4
. 4
( i
(A)
( 5
(oy
(5)
(I
0.22
0.22
0.22
0.22
0.22
0.22
96
9.6
9.6
9.6
9.6
9.6
1.9 (-3)
6.1 (-4)
0.43
0.12
6.3 (—6)
4.5 (—5)
3.2 (-6)
2.2 (-5)
1.9 (-38)
6.1 (-4)}
6.3 (-4)
4.2 (-6}
238
169
193
238
260
238
19
98
1.9 (-3)
6.1 (-4)
LTB)
6.3 (-6)
OR Ih)
3.9 (—6)
~ Eneu Island
|
Chicken muscle’
Chickenliver’
Chicken gizzard
Pork muscle’
Pork kidney‘
Pork liver"
Pork heart’
Bird muscle
ms
Bird viscera
0.057
0.057
0.057
6.9
6.9
6.9
1.7
1.7
1.7
52
36
25
af
( 1055
(0.4
0
0.033
1.7
“
_
:
_
19
37
40
37
-
0.014
0.014
0.014
0.43
OR
0.21
0.25
0.
0.04
0.04
_
_
: (~
mare
0.014
.
5.1 (-3)
0.063
eae
06:
0.063
0.063
0.063
0.063
vee
—
2.21 (-5)
9.1 (--5)
Pecienemnien
9.1 (-5)
1.4 (-4)
1.4 (—4)
14 (-4)
.
0.018
.
7
3.8 3 (-
_
Z
(
me
;
_
me
1.90 (-5)
5.68 (-5)
old
(5.68 “=
1 ' ay
7 ay
03