6U
T
108
c
3
if
T
T
Tale
-
* AEC TEAM
r
r
—
al
SS)(es €or
1954
-
« TYPICAL MARSHALLESE
T
——e|
ee]
[RAREEaATHGNOUP-pe]
—<
c HIGH Cs MARSHALLESE 4
3
qn
5
4
t
4
dhe
|
l
10
Hoot
oy
|
|
20
30
i
40
L
653, Wy”
50
60
|
Oy
,
670
OPERATION REDWING
MICROCURIES OF CESIUM 137
E
10 |
q
qd
2 BACKGROUND
.
i
COUNTS PER CHANNEL IN 30 min
|
Ca-I37
fm in-es
) sr-90 (000)
w~ RETURN TO ROMGELAP
1
1
4io7*
|
Ld
4
80.690~—C—é=*='00
CHANNEL NUMBER
965
EXPECTED BODY BURDEN BASED ON
PHTSicaL DECAY OF 1981 LEVEL
8-90 (008)
| Ce-60 Cools)
Figure 69. Unprocessed gamma-ray spectrographs obtained with an 11%-in. Nal (TI) crystal in a shadowshield whole-body counter. The channel width was 20
1
Ol
keV. Traces of '*’Cs and °°Co are apparent in the back-
02
63
04
we
O58
06
OF
Figure 70. Estimated body burden ofisotopes in Rongelap people at various times since 1954. Values obtained
either by gammaspectroscopy or by radiochemical analy-
ground spectrum. Theright-hand scale was obtained by
calibration with a “standard man” phantom and requires
correction for other bodysizes; it is adjusted for the '*"Cs
peak.
sis of urine.
Tabie 26
Summary of Radionuclide Body Burdens of Rongelap People, 1965, Obtained by Whole-Bodv Counting
People residing on Rongelap Atoll
Male
Age <1]
‘Cs (nCi/kg body wt.)
Exposed
Unexposed
Mean
Unexposed
Mean
14.0
199 +43*
18.1
204 2 72
20.4
Co (pCi/kg body wt.)
Exposed
Age 11-15
:
Potassium (g/kg body wt.)
Exposed
Unexposed
26.5
30.7 217.6
30.7
315 #7.3
29.9
242+ 0.42
Mean
Number of peopie
Exposed
Unexposed
2.42
Total
2.19
2.09%0.20
2.12
A
Age >15
Age <1!
Age il-15
Age >15
17.1 + 5.3
147 + 49
15.5
15.2 + 54
15.2
16.3
15.9
16.1
11.6 = 5.0
11.0 + 3.8
11.2
28.7
40.0 +31.3
40.7 11.4
37.6 +138
38.6
1.97 0.24
1.88% 032
1.91
27.0 +15.6
27.0
242> 0.44
2.42
28.9
28.8
1.92
1.81
1.86
31.2 411.2
34.7
152+ 0.39
145+ 0.22
1.48
Rongelapess US AEC
residing
medical
at Ebeye
0.89
42.6
1.68
21
3
1
15
30
21
6
7
18
27
3
2
21
16
45
21
13
45
7
*Standard deviation = / Lix’) - (=) .
V
Female
NV
tcam
.
Trust
Temton
medica
team
G.16+O011
UF
0.0
ao
1.50*+0.18
1.61
9
2