DISTANCE FROM BURST POINT (statute miles)
150
100
a
——
AREA OF HEAVY FALLOUT
Lo
of BIKINI
~
a
oweuas
50
0
50
4
150
100
200
250
DISTANCE FROM BURST POINT (statute mites)
Figure 90.
CASTLE, YANKEE heavy fallout area. The aré a
within the contour would have been a full y adex
area 24 hours after the shot had the fallou t
been over dry land (after Reference 81).
R/hr (and increasing) were noted.
procedures.
The LSTs carried out decontami nation
At 1700, readings averaged 0.020 R/hr (0.040 R/hr m
with the highest readings on wind-exposed surfaces.
at 2000 was 13°16'N, 177°97'R.
imum) »
The ships'
sition
ensity
A steady decrease in radiation i
was noted after 2330, and decontamination continued throughout th
night.
B
LST-762 reported a maximum of 0.040 R/hr; LST-975, 0.096 R/hr.
0800 on
7 May (position 14°30'n, 178°40'E), intensities had dropped to an average
of 0.005 R/hr and a maximum of 0.015 R/hr.
At 0700 on 8 May at
sition
15°5'N, 178°44'E, LST-762 indicated an average of 0.003 R/hr and
No individual exposures are available for this incident.
[It
*
of 0.008 R/hr: LST-975 reported 0.007 and 0.010 R/hr, respectivel
maximum
s not
Clear whether the cumulative exposures reported for the crew of L T-762
and reported in Reference 13 included this radiation, or whether
he
ship's film badges had been given to TU 7 for processing before tHe ship
departed Enewetak.
309