Prom
\
Pwonta-Sini year Review or Medieai
Pomriattonm Excosed
to
(Tn
Pallour
in
Findings in a Marshallese
tosd,
ROY
Canard et
ul,
Druftl
——
Appendix VI _—
—4
DOSE ASSESSMENT
Zariy Radiacion®
eee eee
_
Table 1.
No.
Aczil
neople
Rongelap
64
ailingnee
Estimated gamma exposure (measurements in air).
Approx.
evacuation
H+4 to 6 hr
H+50 hr (16 people)
28
Jerrix
Instrumenc
readings
Time of
fallouc began
18
Rongerik
Clme
157
Table 2.
(mR /hie}
275,
H+5l hr (48 people)
H+4 co 4 hr
4H+38 hr
H+o.3 her
H+28.5 he (8 men)
H*34 ar (20 men)
H+Z2 hr
(R}
H+? days
175
"00, H+9 days
69
280, Hts days
Started ac H+55 hr
40,
78
H+& days
14
Estimated body burden (yCi) of Rongelap people.
Activity*
89sr
Rare earth group
*-*I (io thyroid gland)
Fissile material
0
- 1.2
0.03
0
0
- 0.013
- 0.019
0.0
Q
40
0.021
6.4 ~ll.2
LI3Ry
“Ca
burden
0.19
0.34~ 2.7
- 0.016 (ug)
perm.
tocal body
at day 82
1.6 - 2.2
140Ba
Max.
Activity**®
act day l
From U.S.
Est. ¥
exposure
9
0.7
50
200
0.0
0.4
Naval Radiological Defense Laboratory.
“™From Los Alamos Sctencifiec Laboratory.
anne
-
Table 3.
|
Escimaced whole-body (gamma) and thyroid doses (rag)
Population
Rongelap
Allingnae
Utirik
a
No.
-
65
18
158
whole-body
Thyroid dose (incl. gamma),
aC exposure age:
dose
<10
10-18
>18
175
69
14
810-1800
275-450
60-95
335-810
190
30-60
335
135
30
tA veeve uation of the early whole-body and internal organ doses
is
in prog-
Incomplete results give sowe indicaress ac Brookhaven National Laboracory.
-tonm ' at the previously estimated chyroid deses may de too low.
Since the
cesults are preliminary, they are noc included in Cais report.