-il-
c Figure
curves which tended to level out,
20-100
in the
at first
2 counting
|
appear in Table 2.
tained,
suedeicm aes cit
lightly
and the flattest slopes that they at-
The slow decays thus include almost all of the decays available
for bird and rat as well as curves for muscle and kidney
of
most
The slow rate for rats could be due to residual activity from
animals.
earlier detonations in the vicinity of Biijiri Island.
Muscle with
its
high K*° content and kidney with (in the tridacnid clam) an affinity
for strontium would be expected to exhibit slow radioactive decay.
does
Table 2.
nvolving
Summary of the nineteen curves from Table 1 and Figures 1-6,
showing the most decided tendency toward leveling and the
minimum steepness attained.
* than for
1 of postnd to proher sur-
1e average
Curve Organno.
ism
Tissue
Latest; Curve
slope no.
Organism
Tissue
Latest
slope
35
37
40
41
45
46
47
fish
fish
crab
crab
fish
fish
fish
skin
skin
muscle
muscle
muscle
muscle
muscle
-0.8
-0.8
-0.2
-1,0
-0.5
-0.9
-0.3
96
99
60
66
74
75
85
fish
rat
bird
bird
rat
bird
clam
bone
bone
bone
lung
liver
liver
kidney
-0.85
-0.03
-0. 63
-0.5
-0.3
-0.6
-0.5
49
rat
muscle
-0.06
87
rat
kidney
-0.4
s showing
48
Curve 49
50
fish
bird
muscle
muscle
-0.6
-Q.25
86
clam
kidney
-0.6
ith a half
gamma
g of those
mua Wt
Terres gy ree oe