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 thetissues. The Co® found in clams
Table 24—Radiostrontium, Radiocesium and
Radiocerium-Praseodymium
in
Biological
Samples, December 1954-January 1955 (AFL)
PERCENTAGE or Total
TaLanp
ORGANISM
_
Bre
Csi?
Cela
Priv
wat
June-July
Rongelap Atoll
1855"
Gejen_...--..- 31 coconut milk.....)<0,1 |<0.1)
Kabelle......- 37 Caulerpa._...--.-|--.---|-----30 cocontt milk. -..--}--....}-----.
38 Halimede.._._----|...-..|-----.
39 coconut crab
0.86} 48
muscle.
41 mullet muscle..__| 0.6
0.0
Labaredj....-- 29 coconut milk... _. <0.5/<0.5
42 tern bone_._...-_- 0.0
43 tern bone-.__.-...| 0.0
Mellu.......-- 40 dogtooth tuna
muscle.
0.0
Rongelap....-. 27 coconut meat..._- 0.0
6.0
0.6
0.0
0.0
0.0
a8
(AFL)
July,
Aug.
1866"
0.0
71.
0.0
28.
Lo
165
0.0
2.
6.
0.6
TotaL
BAMPLE
aimle
Pandanus fruit_........-....----
Bonito bone_..._.-....----------
EKabelle._...|
15
61.
10
mm diameter.
3.7
*Dates of analysis.
42
0
61
Goatfish muscle_.-........------
Lagoon bottom,
depth of water 6’,
particles >0.074
46
32
29
12,
60.0
29.0
0
0
0
0
<0.6
Labaredj_..| Tern muscle.........-..-.---..-
fraction containing}.°P Mch--;
68.
21
300
31
5, 600
0.7
25
0
180
Kabelle_...- Grouper musele__...-....------Grouper liver...----.-----------
110.
3¢ papaya meat__... 0.1)
Tor
orywv
Morindafruit.....-.-.---.-----47
Labaredj...| Arrowroot corm.--.----.-------40
Kabelle..__. Coconut crab muscle.._...--.--440
Coconut crab liver....--.------1, 200
Coconut erab salts of earapace.../_._.--.---.Coconut crab cuticle of carapace.|_...-------Labsredj...} Giant clam mantle and muscle-1,700
Giant clam Kidney_...._._-----.
5, 200
Do_..-- Bonito muscle._...-....-........
150
Bonito liver........-.....---.--1, 700
13]
<0.2
PERcent
.
110
Rongelap...| Coconut mest....-.........---.-
<0.4
78,
Br®,
Activity
26.
00
33 squash meat._--_- >0.1]
0.0
76.
Table 25—Sr™ in Biological and Lagoon Bottom
Samples from Rongelap Atoll, October 1955
0.0
28 coconut milk..._. 0.0
32 pandanus fruit.../>01!
Sept.,
Oct.
1955"
81.
0.0
72,
0.0
67.
tively was verified by laboratory experiments.)
IsLanp
CTIVITY
ere
accounted for the major portion of the activity.
(The ability of clams to concentrate Co® selec-
0
0
0
40, 000
7th inch.
oe
25, 000
0.7
*Wet weight basis except lagoon bottom which is on a dry weight basis.
Table 26—Radiostrontium in Plants Collected at Rongelap Atoll July 23-24, 1956
Counted September 4, 1956 (AFL)
PLant
TissuE
ISLAND
Breadfruit._......----..------ Pulp_-.-..-.-------.------ Rongelap--.-.-...-------Morinds_.......--.......---- Pulp and seed._...
do
Pandanus......-------.-.---- Beed....-.......-.------.-]----. o_.-----neee eee eee
Arrowroot.__..-.-----.....--- Pulp and skin.....-......-|--... Go. --. 222. ee nn eee
bop
Coconut....--.----------..--- Milk..-._--....----.------]----. do.....--.--.---..-----
aac
Do-._.-.....-------------- Meat...---2222.-- ee ee ee ee-|--n oedo... eee
Do..-...--.--------.----- Milk. nee e nce cece nnn Kabello...---....--------Do_-~neeeeene een ene --- Meat_---.--....-.-----.--|----- do.....---- 2.
wee
ToraL
BA actrviry
d/m/g wet
Bre
d/m/g wet
Caltrom
e/g wet
42.0
80.4
70.7)
108.
0.82+-0. 03
3.140.1
2.2406
2. 540.6
0. 000628
0.00136
0. 00450
0. 00333
262
64.6
36. 9
148
0
0
0
Os
“SUNSHINE
Unrts'’
---[---
501470
604-0
1502-44
20430
Bri: Sr
-
1.7740.10
3. 68-0, 22
0. 7640.06
1. 4840.05
--.
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