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© BACKGROUND .
4
e TYPICAL MARSHALLESE
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ce HIGH "C3 MARSHALLESE
3
7
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2
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3
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3
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= 1973
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10
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2
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l
20
30
Te
ms
!
40
50
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AETURN TO AOMSELAP
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OPERATION REDWING
te +437
nm
L
i
70
80
CHANNEL, NUMBER
L
930
1
i907
100
.
Figure 69. Unprocessed garnma-ray spectrographsobined with an 1t%-in. Nal (Tl) crystal in a shadowtained
(TI) crystal
in
shield whole-body counter. The channel width was 20
keV. Traces of '*"Cs and “Co are apparentin the backgroundspectrum. Theright-handscale was obtained by
calibration with a “standard man” phantom and requires
correction for other bodysizes; it is adjusted for the '"’Cs
peak.
t
Sengegemsga en
9654 Penson
Ca-60 Los)
01.
.
03‘ 04
051 06. 07.
pe
Figure 70. Estimated body burdenofisotopes in Rongelap people at various times since 1954. Values obtained
either by gammaspectroscopy or by radiochemical analysis of urine.
Table 26
Summary of Radionuclide Body Burdens of Rongelap People, 1965, Obtained by Whole-Body Counting
People residing on Rongelap Atoll
Male
Age <l1
‘?Cs (nCi/kg body wt.)
Exposed
Unex posed
204472
Mean
20.4
"°Co (pCi/kg body wt.)
Exposed
Unex posed
30.7 17.6
Mean
30.7
Potassium (g/kg body wt.)
Exposed
Unexposed
242% 0.42
Mean
2.42
Numberof people
Exposed
Unexposed
21
Total
*Standard deviation =
21
\
/ 2X) _ (
N
Age 11-15
Female
Age >15
Age <1!
Age 11-150
Age >15
14.0
199 +4.3*
18.1
17.1 + 3.3
1474 49
15.5
15.2 + 54
15.2
16.3
15.9
16.1
11.6 + 5.0
1t.0 + 3.8
11.2
26.5
31.5 +73
29.9
40.7 «11.5
376 +138
38.6
27.0 +156
27.0
28.7
28.9
28.8
40.0 +31.3
31.2 11.2
34.7
2.19
2.09%0.20
2.12
1.97 0.24
1.88% 0.32
1.91
2.42 0.44
2.42
1.92
1.81
1.86
152+ 0.39
L45~ 0.22
1.48
Rongelapese US AEC
reuding
medical
at Ebeye
team
0.89
42.6
1.68
5
HW
15
rad
21
6
7
18
27
3
2
16
45
2t
13
45
7
Trust
Territory
medicai
team
0.16011
0.45
0.0
0.0
150+0.18
1.61
9
2