Table 16,
Enewetak soil data, southern islands (pCi/g in top 15 em).
90.
Mean
Range
137
Mean
2395,
Cs
Mean
Range
60
Range
Mean
rapi
Co
Range
The
and
eee
cons
Group A
(DAVID,
ELMER,
FRED)
-”
uty
0.41
0.02-4.8
0.21
0.01-2.1
0.04
0.004-0.31 0.03
0.01-0.15
Group B
(All others.
except
LEROY)?
- Group C
(LEROY)
isha
0.52
0.03-3.9 0.14
11
1,6-34
0,004-1.8 0.07
0.004-1.1
0.06
0.007-63
0.02-2.0
0.58
0.04-5.0
Thi
islu
3.2
0,5-10
0.63
are
“SAM, TOM, URIAH, VAN, ALVIN, BRUCE, CLYDE, REX, WALT, GLENN,
HENRY, IRWIN, JAMES and KEITH.
the northeastern end, took place during
activities resulted:
tive homogeneity is also supported by the
Radio-
The activities as a function of depth,
within the island's interior, follow the
general rule ofa rapid decrease in activ-
and then level off to become almost
homogeneous (as demonstrated at Loca-
tion 100),
Profile samples collected at
Locations 23 and 25, which are onor
near the beaches, display essentially
Mean
pCi
Range
‘Areas of dense vegetation
obtained from Locations 24, 26, and 100
surface (relaxation lengths of 3-5 em)
Activity,
nuclide
results of the aerial survey.
ity within the first few centimeters of the
The following
- tated northeast corner.
the weapons-testing period. This rela-
Rai
90¢,.
13765
239py
nore
.
123
48
26
10
14-670
14-170
7.2130
3.1-30
Areas of sparse vegetation
se
log
239by
606,
-
44
8.6
il
4.6
35-130
3.3-44
5.8-26
2.4-9.6
homogeneous activity distributions,
The mean activities exhibited by the
samples from the northeast corner are
the photographs, this island is so heavily
roughly a factor of three smaller than
vegetated that it was almost impossible
those from the remainder of the island.
to penetrate. The only exception is the
Since only a few samples were collected
northeast corner of the island, which is
within the corner area,’ the factor of
relatively open with sparse vegetation.
three may or may not reflect the true
Most of the soil samples were collected
difference in the mean values.
within the densely vegetated areas, with
aerial survey results do not reflect this
a few obtained within the sparsely vege-
difference:
-100-
.
The
we emanates:
BELLE—As clearly indicated by