Table 26.

Contamination readings of Rongerik personnel
after CASTLE, BRAVO (R/hr).4
0

- dar Preshower

~OO1- .006- .Q11.005 .010 .015

.016.025

.026.050

.05
.09

Over
100

High

---

6

2

4

6

2

1

7

0.250

---

Il

9

6

2

---

---[

---

0.025

After Last Shower ---

12

10

5

1

---

---—

---

0.025

After lst Shower
- Mar

---

22

6

---

---

---

---]

---

0.010

> Apr

27

1

<--

oe

---

---

---]

---

0.0005

ote:

“By AN/PDR 27C survey instrument.
source:

Reference 68.

two of the Air Force men had already returned to Kwajalein to absist in
repairing some U.S. Navy electronic equipment.
During this second period at Kwajalein the group was observdd by the
medical personnel of the newly established Program 4.

This prodram had

been hurriedly set up after the BRAVO fallout incident to aid and observe
the Marshall Islanders who were exposed on Rongelap, Ailinginaegd

and

Utirik.

These Marshall Islanders also were at Kwajalein during

this pe-

This medical surveillance of the servicemen lasted until

Rt least

riod.

early April as information on their blood components is given inj
gram 4 report until H+42 days (April 11, 1954)
skin lesions for H+47 days

(Reference 65, p.

urine for "44 days post detonation"

the Pro-

(Reference 65, p.§72), for

40), and for beta aftivity in

(Reference 66, p. 17).

Three men assigned to a Navy Bikini Boat Pool LCM that was wdarking off
the Belle Grove presented film badges with BRAVO readings of 85
These apparent high exposures were not discovered until the badg
developed 10 days after BRAVO.

tfo 95 R.
were

Thorough investigation at that tilme failed

to reveal how these three men could have received so much radiatipn.

243

Some

Select target paragraph3