25
RADIOCHEMICAL ANALYSES
Table 27—Radiostrontium in Land Hermit Crabs (Cenobita sp.) Collected at Rongelap Atoll July
23-24, 1956 (AEL)
Radioactivity as of Counting Date, September 10, 1956
SPECIMEN NUMBER
TISSUE
ToTaL
TsLaND
B ACTIVITY
d/m/g wet
I-49___ 22-2 Liver... ewan ene Eabelle..........-..-----
Srv
Calcium
d/m/g wet
g/g wet
"SUNSHINE
Units”
243
4242
0.003804
6250231
1.6 +0.3
Muscle._...--..2--..-----.]--2.. do. ..--.---------------
434
62422
0. 00320
889043110
0.0
Do......--.----.----.----
Skeleton _...-_..--..-.-.--|----- do....-..--------.-----
5, 410
0. 206
5310419
0. 24-0. 02
T-50. 222 -ee
Liver - -.22.0-...--22------ ene do__.. 2-22. --------.
633
474+14
0. 00718
31104946
3.6 41.8
--|
Muscle.....-...2--..------}--.-- do_..-.--------.--.--.-
273
2446
0.00223
4910-+1170
2.4 +0. 76
Do.....---..---.---------
Skeleton _...-_.---.----u--f----e a
4,100
1910+3
0. 202
2960+7
0. 582-0. 16
Do, --.----22-- oe eee eee Skeleton. _..-...-..---...|--.-- do.
T-62 ne ne eeeeee eee] eee G0... wee Rongelap- ..---..---..---.
5,600
3,900
2130+-130
1310-+-6
0. 189
0.177
44404.158
3360414
0. 32-40. 04
0. 483-0. 14
Do
Do
---|
T-51_.22--. oo eee ee Mustle.._..-.-.----.------]----- do... 2-22 --- een
444
2400-9
90+-6
0.00919
51202382
Table 28—Radiochemical Composition of Residual
Contamination (NRDL)*
PERCENTAGE OF TOTAL ACTIVITY OBSERYED *
MATERIAL
RADIONUCLIDES
Srs?
!
i
Sri; Srie
Srv
Rare
Harthg
Arrowroot....---------- eee
Breadfruit__._...---..---.-------------------Coconut frond_____-__.---2- eee lee
Coconut meat...........-_.-----.-- Lee
Coconut milk... 22-2
Grass. ...-.---.----- 2 eee
13
*NDA
1.2
NDA
NDA
1.3
5.9
6.3
6.0
NDA
NDA
4.6
Pandanus_.._...-.--.----..--- 2-2-8
0.5
2.4
Papaya_--_..--.------ eee
1.6
7.3
Coral. ...- 22
3.2
Soil__..--- 2. eee
0.8
2.2
73
0.1
Eagoon bottom__......--._-.-- 222
Cistern water.........-.-- 2-2 ee
Ground water.....--.._.-.---..--..2-----__.--
1.1
2.9
0.8
5.0
8.6
2.5
82
41
49
0.2
24
20
Lagoon water_.....-.-_.---._--.--------------
0.9
14
4.0
* Values as of 15 July 1955 (16 mosafter the nuclear detonation),
from the reported parent values.
« No detectable activity.
*Collections made about Febraury 1, 1955.
3.0
50
80
1.2
0.9
74
Zrit b
0.5
19
4.2
NDA
NDA
6.4
12
a7
67
76
0.2
31
Rui b
Csit?
7.8
NDA
6.7
NDA
NDA
4.3
0.6
12
10
9.7
80
24
1.6
95
96
8.4
95
11
4.5
Li
23.3
L1
13
20
16
7.0
NDA
13
9.2
0.8
bNb* and Rhl0t may be calculated
OMe P an.
0. 7140.05 |