Table 26.
Contamination readings of Rongerik personnel
after CASTLE, BRAVO (R/hr).4
0
_ dar Preshower
.O01- .006- .O11.005 .010 .015
.016.025
.026.050
.051.099
Over
.100
High
---
6
2
4
6
2
1
7
0.250
---
ll
9
6
2
---
---
---
0.025
After Last Shower ---
12
. 10
5
1
---
w---
---
0.025
After lst Shower
. Mar
---
22
6
---
---
---
---
---
Q.010
> apr
27
1
w=
eee
---
---
---
---
0.0005
ate:
“By AN/PDR 27C survey instrument.
source:
Reference 68.
two of the Air Force men had already returned to Kwajalein to assist in
cepairing some U.S. Navy electronic equipment.
During this second period at Kwajalein the group was observed by the
medical personnel of the newly established Program 4.
This program had
been hurriedly set up after the BRAVO fallout incident to aid and observe
the Marshall Islanders who were exposed on Rongelap, Ailinginae, and
Utirik.
riod.
These Marshall Islanders also were at Kwajalein during this pe-
This medical surveillance of the servicemen lasted until at least
early April as information on their blood components is given in the Program 4 report until H+42 days
(April 11, 1954)
(Reference 65, p. 72), for
skin lesions for H+47 days (Reference 65, p. 40), and for beta activity in
urine for "44 days post detonation"
(Reference 66, p. 17).
Three men assigned to a Navy Bikini Boat Pool LCM that was working off
the Belle Grove presented film badges with BRAVO readings of 85 to 95 R.
These apparent high exposures were not discovered until the badges were
developed 10 days after BRAVO.
Thorough investigation at that time failed
to reveal how these three men could have received so much radiation.
243
Some