25
RADIOCHEMICAL ANALYSES
Table 27—Radiostrontium in Land Hermit Crabs (Cenobita sp.) Collected at Rongelap Atoll July
23-24, 1956 (AFL)
Radioactivity as of Counting Date, September 10, 1956
SPEcMEN NUMBER
TISSUE
TortaL
IstanD
& actryiry
da/m/g wet
Liver -_.2.-....--.----.--- Kabelle. ...---.--------.--
Musele..._....--------.--Skeleton. _..---.-----.---
243
oss
6,410
633
273
4,100
444
5,800
3,000
Sr
Catctum
d/m/g wet
g/g wet
4242
0. 00304
47414
2446
131043
90-6
2130+130
13105
0.00718
0.00223
0. 202
0.00929
Q. 189
0.177
62422
2400-49
0.00320
0. 206
“SUNSHINE
Untrs’’
6250-231
8890-3110}
5310-419
3110+946
491041170
2060+7
5120-382
4440+158
3360414
Table 28-——Radiochemical Composition of Residual
Contamination (NRDL)*
PERCENTAGE oF ToTaL ACTIVITY OBSERVED *
MatTERIAL
RaDIONUcLIDES
sre
AITOWTOOL. 2.22 eee eee eee eee eee
Breadfruit...-.
Coconut frond_
1.3
Sr
6.9
6.3
5.0
3.0
50
80
46
2.4
7.3
74
1.2
37
2.2
5.0
8.6
2.5
4.0
73
82
41
49
7
NDA
NDA
14
Lagoon bottom.
Cistern water...
Ground wuter..
Lagoon water... 2-22-22. - eee eee een ee
.
0.9
Rare
Earths
® Values as of 15 July 1955 (16 mos after the nuclear detonation).
from the reported parent values.
°* No detectable activity.
“Collections made about Febraury 1, 1055.
1.2
0.9
67
Zrvt b
Css?
0.6
19
4.2
7.8
NDA
6.7
80
“a
1.6
6.4
0.2
4.8
0.6
12
8.4
95
ll
NDA
NDA
31
Ru!% b
10
0.1
0.2
24
20
0.7
NDa
NDA
4.5
23.3
13
20
16
7.0
95
96
11
1.1
NDA
3
9.2
0.8
b Nband Rhitt may be calculated
Sr™:Sre
1.6 40.3
006
0. 24-40. 02
3.6 41.6
2.4 +0. 75
0. 5840. 16
0. 71=£0. 05
0. 3240. 04
Q. 480. 14