From A Twenty-Six Yeur Review of Medica] Findings in a Marshallese
Population Exposed to Fallout in 1954.
R. A. Conard et al.
-
(In Draft)
AQ ACO
a
Appendix YI _~
ee
A.
DOSE ASSESSMENT
Early Radiacion*
ACOLL
Rongelap
ALlingnae
Rongerik
Approx.
Est.
Instrument
callout began
evacuation
(mR/hr)
CR)
64
H+4 to 6 hr
4H+50 hr (16 people)
H+51 hr (48 people)
375, H+7 days
175
H+28.5 hr (8 wen)
280, Ht9 days
i00,
H+9 days
69
40,
H+8 days
14
18
28
Table 2.
H+58 hr
cto 6 hr
H+4
H+6.8 hr
H+34 hr (20 men)
Started at H+55 hr
H+22 hr
y¥
exposure
readings
Time of
time
people
157
Utirik
in air).
Estimated gamma exposure (measurements
Table Ll.
No.
BEST COPYAVAILABLE
78
Estimated body burden (\iCi) of Rongelap people.
Activity*
ac day
vat
li
0.34~
Rare earth group
3 (in thyroid gland)
0
~ 1.2
0
- 0.013
Ca
Fissile material
0
0
40
0.021
9
0.03
6.4 -11.2
As Ru
burden
0.19
2.7
perm,
total body
at day 8&2
1.6 - 2.2
‘Ba
Max.
Activity**
0.7
~
- 0.019
- 0.016 (yg)
50
0.0
0.0
200
0.4
*From U.S. Naval Radiological Defense Laboratory,
**From Los Alamos Scientific Laboratory.
-
pny
Table 3.
ntspney
oO
Estimated whole-body (gamma) and thyroid doses (rad)
Thyroid. dose (incl.
at
exposure
gamma),
age:
Whole-body
Population
Rongelap
Arlingnae
Utirik
No.
dose
65
175
18
138
69
14
<lO
810-1800
275-450
60-95
10-18
>18
335-810
335
L190
30-60
-
135
30
kAyeevaluation of the early whole-body and internal organ doses is in progress ak Brookhaven National Laboratory.
Incomplete results give some indicaflom fo at the previously estimated thyroid doses way be tae Low.
Sines the
eesulty are preliminary, they are not includéd i2 tete resine,