Table 214. Summary of average exposure rates for islands in Enewetak Atoll.
Average exposure rate, uR/hr at 1 m?*
Island

ALICE
BELLE
CLARA
DAISY
EDNA
IRENE
JANET
KATE
LUCY
PERCY
MARY
NANCY
OLIVE
PEARL
RUBY
SALLY
TILDA
URSULA
VERA
WILMA
YVONNE
SAM
TOM
URIAH

VAN

ALVIN
BRUCE
CLYDE
DAVID
REX
ELMER
WALT
FRED
GLENN
HENRY
IRWIN
JAMES
KEITH
LEROY

1STag

42
61
20
6.8
2.8
14
25
11
6
2
5.5
6
6.5
12
2
3.5
4
3
2.8
1
5.6
<0.3 (0,20)
<0.3 (0.18)
<0.3 (0.06)

<0.3 (0.08)

N. D,
0.4
<0.3
N. D.
<0.3
N. D.
<0.3
N. D,
0.4
<0.3
<0.3
<0,3
<0.3
2.8

(0.06)
(0,22)
(0.04)
(0,21)
(0,28)
(0,19)
(0.08)
(0,14)

(0.33)
(0.14)
(0.08)
(0,05)
(0.15)

600,

(0-3Mev)

Range?

36
50
19
14,4
2.4
63
13
7
7
2
4
5
4.5
45
12
3
2
1.8
2
1
22.4
<0.6 (0.11)
<0.6 (0.13)
.<0.6 (0.43)

81
115
42
21.3
6
80
40
19
14
5
10
12
11
70
14
7
6
5
5
2
33
10.9
<0,9
<0,9

4-170
5-200
5-100
5-140
5-8
3-560
2-150
3-22
1-20
2-11
2-12
1-50
1-15
1-400
1-42
3-110
2-11
1-7
1-6
1-3
1-750
0-1
0-1
O-1

<0,9
1.2
<0.9
<0,9
<0.9
<0,09
<0,9
<0.9

0-1
0-1
0-1
0-5
0-1
0-2
0-1
0-1

<0.9
<0.9
<0.9
3.0
<0.9
7.6

0-1
0-1
0-1
0-5
0-2
3-8

<0.6 (0.25)
<0.6
0.8
<0.6
N. D,
<0.6
N. D,
<0.6
N. D,

(0,25)
(0.34)
(0.11)
(0.10)
(0,25)
(0.12)
(0.10)
(0.12)

<0.6
<0.6
<0,6
2.8
<0.6
4,8

(0.20)
(0,20)
(0.46)
(0.49)

<0.9

,

0-1

“Average dose rates given are derived from aerial survey data. On islands where activity
levels are at the lower limit of sensitivity of the aerial survey equipment, dose rates derived
from the soil sample data are given in parentheses.
Das measured with the Baird-Atomic instrument,

II-2

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