gqctt
Table |.
Gross beta radioactivity of invertebrates in uc/kg of wet tissue at time of counting about
one month after collecting at Rongelap Atoll on July 23 and 24, 1956
Name of organism
Common
Scientific
Island
Specimen
number
Clam
Tridacna gigas
tt
rf
Kabelle
'!
Tridacna sp?
"
Hippopus
"
i
'1
#1
tt
YW
184
185
182
183
180
181
Mean
Sea cucumber
Holothuria atra
Kabelle
tt
"1
1!
qt
i)
1)
"
"
tt
ia
tt
"
tl
tt
Rongelap
177
178
179
Mean
171
172
173
Mean
Ly
sTATHouV $00
Kabelle
mi
tt
W
{t
W
tT!
"1
t
tt
tt
tt
Ww
"
"
Rongelap
fe)
"1
Mantle
12
.10
17
_13
13
12
213
Gonad
_ 26
~~
-. 26
1.2
--1.2
Muscle
. 064
.025
. 045
. 045
_ 059
. 059
Visceral
Mass
.79
79
Gut
Integument
186
187
188
190
Mean
174
175
176
Mean
1.0
1.2
. 86
1.4
. 64
97
2.7
3.4
3.0
3.1
3.1
3.1
1.4
1.95
1.4
1.7
. 90
.33
. 86
56
. 90
3a
. 28
.37
Exoskeleton
at
6.4
2.9
189
Kidney
Gill
. 073
050
. 68
45
99
_o7
1.0
. 82
1.4
1.1
tissue
Liver
1.1
91
1.6
Land hermit crab
Coenobita perlatus
uc/kg of wet
2, }
Muscle
19
45
35
17
17
073