1 Human Beings

55

Cronkite/Bond/Conard

Table III. Total thyroid absorbed-dose estimate

Table V. Total thyroid absorbed-dose estimate

Rongelap Island

Occult
Cancer
ha UA oe

Age

odules and canat exposure had

‘ groups [3].

ation between
yroid and per-

legory for all

12.00

Adult Male

Adult Female
Fourteen- ¥ ear-Old

1.60
2.20

1.70
2.30

Twelve- Year-Old
Nine- Year-Old
Six- Year-Old
One- Year-Old
Newborm
In Utero. 3rd tri.
Jn Utero, 2nd tri.

16.00
20.00
24.00
50.00
2.50
6.80
—

18.06
22.00
26.00
52.00
4.40
8.70
_

Twelve- Year-Old

2.40

2.50

Adult Female
Fourteen- Year-Old
Twelve- Year-Old

ion with can-

Nine- Year-Old
Six- Year-Old
One-Year-Old

lism peaksat
ted average

Newborn

and Utirik
‘eases with

in Utero, 2nd tri.

In Utero, 3rd tri.

the persons

Average Estimate. Gy
Internal
Total

10,00

Adult Male -

tles, hypothy“action develdose up to an

Age

Adult Maie

Adult Female
Fourteen-Year-Old

2n age at expo-

Utirik Island

Average Estimate. Gy
Internal
Total
11.00
14.06

13.00
16.00

Maximum Estimate. Gy
40.00
42.00
44.00
56.00
64.00

80.00
96.00
200.00
10.00

27.00
—

46.00
58.00
66.00

82.00
98.00
200.00
12.00

29.00
—

1.50

1.60

Nine-Year-Oid
Six- Year-Old
One- Year-Old

3.00
3.40
6.70

3.10
3.50
6.80

Newborn
In Utero, 3rd tri.
In Utero, 2nd tri.

0.48
0.98
2.60

0.59
1.10
2.70

Adult Male
Adult Female
Fourteen- Year-Old
J welve-Year-Old

Maximum Estimate. Gy

6.00
6.40

6.10
6.50

8.80
9.60

8.90
9.70

Nine- Year-Old

12.00

Six- Year-Old

14,00

One- Year-Old
Newborn

27,00
1.90

12.00
14.00

27.00
2.00

In Utero, 3rd tri.

3.90

4.00

In Utero, 2nd tri.

10.00

10.00

xample, the

ith a maxjear-old, the
of 200 Gy.
ller the thy:¢ burden of
‘ally greater.

Table IV. Total thyroid absorbed-dose estimate
Sifo Island

Average Estimate, Gy
Internal
Total

Age
Adult Male
Adult Female
Fourteen- Year-Old
Twelve- Year-Old
Nine-¥ ear-Old
Six-Year-Old

One-Year-Old

Newborn
In Utero, 3rd tri.

In Utero, 2nd tri.
Adult Male
Adult Female
Fourteen- Year-Old

Twelve- Year-Old

8300 4001-5000

13.00

14.00

=

—

_

4,90

Maximum Estimate. Gy
11.20
12.00
11.60
13.00
16.00
17.60

18.00

19.00

23.00

One- Year-Old
Newborn
In Utero, 3rd tri.

§2.00
_
_

53.00
—_
—

rt
iue

At WU

Le.

a4
fod{

“
«4

26.00

20.06

roid size as a function of age. the excretion of

'3*] in 24 h urine samples at 17 days. the biological half-life and the measured '*'I in air samples. The major route of radioisotopes into the
body was via ingestion. Inhalation was a minor
route. Details of the dose reconstruction from

all of the factors enumerated above are consid-

ered in detail by Lessard eral. [3].

_

6.10

22.00

In Utero, 2nd tri.
|

4.00
4.10
5.30
5.70
6.60
7.60

Nine- Year-Old

Six- Year-Old
“action of
E develop
yroidism

2.80
2.90
4.10
4,50
5,40
6,40

Thyroidal dose was based onthe distribution of the 1odine family of radioisotopes in fission products, their decay rates. arrival of
fallout, time on the contaminated atolis, thy-

27.00

21.60

Other Radioisotopes
Extensive studies were performed on the
urine of the exposed persons. tissues of pigs
and chickens and newly-laid eggs. Details of
animal studies are published [1]. Briefly. autora-

diographs of bones were positive and the intensity of radioactivity in eggs diminished with
successive eggs.
The mean body burdens of the Rongelap
groupat 82 days was based on measurements

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