24
RADIOACTIVE CONTAMINATION OF AREAS IN THE PACIFIC OCEAN FROM NUCLEAR TESTS
Unlike localization in the liver of mammals,
Zn® was found distributed fairly uniformly
among the tissues. The Co found in clams
+
:
,
:
:
.
Table 24—Radiostrontium, Radiocesium and
Radiocerium-Praseodymium in Biological
Samples, December 1954—January 1955 (AFL)
P
Isao
‘ERCENTAGE OF
oncawmx
Acrviry
Brie
Bongelap Atoll:
Gejer
June-July
1955°
81 coconut milk.....1<0,1|<0.1]
87 Coulerpa.
Fi
30 coconut milk.
\
‘
39 coconut crab
muscle,
41 mullet muscle.
Laband).....- 29 coconut milk..
. |
Mellu,.....--- 4 dogtooth tuna
:
t
|
|
‘ |
|
‘ |
get
Sept.,
r
July,
Oct,
1955"
8t.
0.86]
48
Aug
1065°
00
0.0
7.
0.0
2.
oo
67.
1.0
0.0
Rongdap......| 27 coconut meat..
28 coconut milk.
i
aporaL
SaMPLe
TIVITY
dimjet
Coconut meat.
Pandanus frutt
Morinda fruit.
no
180
7
Labaredj...] Arrowroot corm..
Kabelle_....]| Coconut crab muscle..
40
440
Coconutcrab liver..
Coconut erab salts of carapace.
Coconut
crab
cuticle of carapace.
Labaredj._.| Giant clam mantle and muscle...
Giant clam kidney..
2%.
78.
<o4
<O.2
110.
0.7
37
“
Lo
om
51,
1,200
1,700
5,200
150
1,700
.| Lagoon bottom,
depth of water 6’, {,1,op inch...
fraction containing
pertister 0.074
“
mm diameter.
[7 tach..|
25,000
Counted September 4, 1956 (AFL)
|
|
Morinda.
Pi
*
‘Tissoe
Pulp.
Pulp andseed.
Bood
A
t
Pulp andskin,
COCOMUt...nnennencnrenrenene4 Muk,
Do.
Meat
Do.
MUk.
Do,
.
Mest.
IsLanD
Rongel:
do.
do.
do
do.
do.
do.
Toran
djm/g wet
Carcrow
g/g wet
42.0 0.824:0.03
80.4] 3.1401
79.7 2.20.6
0.000828
0.00136
0.00450
B activity
aim/g wet
se
108
2,540.6
wz
0
46)
09
36.9
M8
Q
183
1-82.
32
29
Do.
Do.
Liver
Muscle.
0.00338
Total
Istanp
Kabelle.
do.
Skeleton
do
Muscle
do.
Muscle.
Bkeleton
do.
do.
do.
Rongelap.
Skeleton
501-L70
otto
15044}
4242
240049
"e3|
273}
do.
4,100
444]
5,600}
3,000}
CaLcrom
“SUNSHINE
e/g wet
Units”
0.00804 6250:031
62222
0.00320
8890-3110
0.206
a7eta
8310-419
o.oo7is anoaoie
0.00019 51204382
0.180
4440.2:158
0.177
3380414
0.710.058
0.823-0.08
0.4840, 14
ws
(NRDL)*
Conta mination (NRDL)
9
PERCENTAGE OF TOTAL ACTIVITY OBSERVED *
0.78
MatenuL
0.71
Rapionvewpes
J
gre
5.9
Srit:Br0
1.77:40.10
8 6810.22
0,760.06
.
.
‘
Rare
Raw
2.0
2
ib
0.5
6.3
50]
NDA
NDA
50
80
12]
bel
gal
7%
19
4.2
Npda|
nps|
tol
eal)
“22
67
2B
46)
20490 1. 48:40.05
.
Table 28—Radiochemical Composition of Residual
0
6.0
8.6
25
40
© Values as of 15 July 1955 (126 mos after the nuclear detonation).
from'the reported parent values, + No detectable activity.
“Collections made about Febraury 1, 1955,
37
82
41
2
76
a6 41.6
9046
21304130]
131045
296047
0
.
0, 2440.02
2.4 40.76
0.202
0
.
1.6 0.8
@0
0.00223 4010-41170
2.0
G
sr®:ar
246
131043
50.0
7.3|
‘Unita’?
23]
5, 410
434
do.
Liver.
sre
Bacriviry dime wet
djmajg wet
12,
ee
:
Punt
Do
‘*Wet weight basis except lagoon bottom which ts on a dry woight basis,
.
'
1-60
TissuB
5
Table 26—Radiostrontium in Plants Collected at Rongelap Atoll July 23-24, 1956
i
Do.
9
24
46
0
40,000
Do.
oyToray
42
61
1-49.
ERCENT
<ae
at
5,500
Specimen NuMEee
P rs,
300
:
:
1
i
0.6
*Dates of analysis.
\
\
Ff
28,
28.
48
23-24, 1956 (AFL)
Radioactivity as of Counting Date, September 10, 1956
Table 25—Sr™ in Biologicaland Tagoon Bottom
Samples from Rongelap Atoll, October 19
(AFL)
0.0
00;
0.0}
muscle.
eS
25
Table 27—Radiostrontium in Land Hermit Crabs (Cenobita sp.) Collected at Rongelap Atoll July
(Theability of clams to concentrate Co” selectively was verified by laboratory experiments.)
L6
76.
42 tern bone
43 tern bone
accounted for the major portion of the activity,
IstanD
Cour
72.
38 Halimeds.
Yt
Ly
i
Srv
TOTAL
RADIOCHEMICAL ANALYSES
64
31
10OL
02
“
2%
97
108 b
Ru
78
NDA
67
ND
Nba
4
Ooel
2
4.5
3.3
13
20
16 °
2
Os
sts7
90
a
16
be
osta4
"
La
M1
NDA
13
8. ;
0
Nbtvand Rhiw may be calculated
0. 58:40. 16