Table 25.

Summary of estimated fallout exposure for CASTLE, BRAVO.

Group

Mean
Gamma

Persons

Exposure (R)

Collective Exposure
-__OO

(man-R)

(%)

JTF 7
Headquarters

36°

0.1°

9

<l

52

<1

Task Group 7.1

Enewet ak

520¢

Bikini

g.1

4g5c¢

Task Group 7.2
Task Group 7.3
Task Group 7.4

0.5 - 2,44

1,287°
5,628"
1,7259

o.1°
if
0.159

447

129
5,628
173

1.4

<l
17.4
<l

Task Group 7.5

Enewetak
Bikini

1,220"
590n

Rongerik Detachment

0,15
0.54

28

Total JTF 7

Patapsco (A0G-1)

78!

1104

3.3K

Total U.S.
Rongelap Marshall Islanders
Rongelap Islanders on

64'

175"

.

Ailinginae

122
295

2,184

<1
<l

6.7

9,039

27.9

363

1.1

9,948

30.7

11,200

34.6

181

691

1,242

3.8

Ailuk Marshall Islanders

157)

401!

14)

2,198

6.8

Daigo Fukuryu Maru

23n

299n

6,670

20.6

32,316

100

Utirik Marshall Islanders

4”

Grand Total

1,604

Sources and Notes:
Sconsolidated List of CASTLE Radiological Exposures (Reference 13).
OMicrofilm 5x8 cards (Reference 87, Index 1020 control film 4904-10).

“TG 7.1 Installment History, May Installment, p. 20 (Reference 8).
duean of ships used in evacuation weighted by number of personnel (Ibid)
®1g 7.2 History (Reference 10, April-May Installment).

Table 23 (Source:

Reference 80).

3ctG 7.4 Final Report (Reference 24}.
"complet ion Report (Reference 5, pp. 4-6, 4-7).
‘Reference 64, p. 7.
Jmuster rol}.

KNOSC memo 25 Jan 1979 (Reference 86).
‘RadSafe Vol 2 (Reference 16).
"Estimated as ratio of Utirik.
"Voyage of Lucky Dragon (Reference 82, p. 158).
Sfces not consider sampler aircraft crew.

242

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