:
wot
3
extent
an
ariarrenN °
N
SIKAR ATOLL
BIKINI
ATOLL
TN
\
TN
\
:
500
OD
200
100
c
7 RONGERIK ATOLL
a
UTIRIK ATOLL
TAKA ATOLL
RONGELAP ATOLL
AILINGINAE ATOLL
50
.
25
o
10
20
30
40
«50
60
70
86
90
100
Lo
10
NAUTICAL MILES
0
20
40
60
SOD
Figure 60.
80 100 120 140 160
185
CN I
RE I
KILOMETERS
CASTLE, BRAVO reconstructed fallout at H+3; 0945 local time
(R/hr). Reconstruction is by NRDL and shows gamma field
Tevels that would have existed had the fallout been on land
areas (source:
Reference 53).
Washdown on the ships was effective, but some problems did arise.
On
the Bairoko, one of the two ships most seriously exposed, the regular wash-
down equipment was secured after 2 hours and firehoses were then used on
exposed areas throughout the day.
made in gutters on the flight deck.
a flight deck drain.
At that time readings of 5 R/hr were
A reading of 25 R/hr was recorded in
The ventilation system was closed at the onset of the
fallout, preventing much contaminated material from being carried below
decks.
The captain reported that the engineering spaces never exceeded
readings of 0.008 R/hr
(Reference 80).
The Bairoko was able to launch
helicopters at 1015 to retrieve the firing party still in the firing bunker
on Eneu.
The retrieval was completed at 1230.
The average readings for certain ships are presented in Table 21 for
several hours on D-day and at selected later times.
\
214