sor ie
t
_
ok
at st niet
non =o in
a
:
them
sin steadinesstn
Bt
.
ela
si herent
ot
30
Table [8
Rongelap Thyroid Abnormalities, Age Specific Incidence (1966)*
Nodules
Hypothyroidism
Total abnormalities
Age at exposure
No. exposed
No.
%
No.
%
No.
%e of Group
l- 5
6-10
1-15
16-20
> 20
13
6
7
5
24
9
4
0
0
2
69.2
66.7
0
0
8.3
2
~
-
15.4
-
1]
4
0
0
2
84.6
66.7
0
0
8.3
*In 55 living of original 64 Rongelap people in heavily exposed group. One nodule in womanin less exposed group
(not includedin table).
Table 19
Thyroid Abnormalities (Nodules and Hypothyroidism) in Marshallese Populations Examined 1964-1966
Age (1954) <10 yr
Island group
Estimated
thyroid
dose**
No.
examined
Estimated
thyroid
dose**
Fo
Abnormalities
No.
examined
Fe
Abnormalities
78.9
12
7 350-600
y 175
0.0
Rongelap
19
Ailingnaet
6
f 275-550
y 69
0.0
1
f 175-300
y 69
0.0
40
ZI 55-110
0.0
16
Z 25-55
0.0
Utirikt
Unexposed
(Rongelap and Utirik)
Z 700-1400
y175
Age (1954) 10-19 yr
y
14
61
y
-
0.0
Age (1954) 20-40 yr
No.
examined
Estimated
thyroid
dose**
36
~
Age (1954) >40 yr*
%o
No.
Abnormalities examined
i4
%
0.0
.
No.
All ages
To
Abnormalities
examined
Abnormalities
Rongelap
14
Z 160
y 175
14.3
10
0.0
33
30.9
Ailingnaef
4
I 54
25.0
3
0.0
14
7.1
22
716
4.5
21
4.8
99
2.0
0.0
49
6.1
194
15
Utirikt
y 69
:
y 14
Unexposed
(Rongelap and Utirik)
48
~
tIn estumating the thyroid dosesto the Ailingnae and Utirik exposed group it was assumedthat such doses were
proportional to the thyroid doses of the Rongelap exposed group, based on relative whole-body gamma dosereceived.
9008314
EIR ee
*Dosagein this group wasthe sameas in the 20 to 40-year group.
**{J= Dose from £ and y radionuclides; y =dose from external y radiation.