d.
ITR-93) -Operation CASTLE, Summary Repart of the
Commandst, Task Unit 13. For shot 1, an analysis
is givén of the gamma radiation field in the
vicinity of Bikini, as well as for more distant
areas, apparently based on preliminary analysis
gf the data which appears in the above CASTLE
// Teports (a, b, ¢).
/
fy
ZY
f
_”. °
f
®. Rad, Safe. Intensity File (Original date fron
JTF-7.3).
‘
from the Pro ject 2. 5b report,
£. T%R-912 = Project 2.1, Evans Signal’ Laboratory.
Gamma Radiation Dosimetry.
Film badge and dosimeter
readings are tabulated. The integrated doses conputed from “infinite fleld" dose rates (measured en
.
/.
yo
These original data were used to augment
and correct the Rad, Safe. gamaa survay readings
the islands) were fowl to average roughly 2-1/2
times the integrated doses determined from nsarby
.
.
eb
ag.
film badges ani dosimeters. Accordingly, the dose
rates and infinite doses derived from film badges
and dosimeters on free floating buoys for shot 1
aha rt
were multiplied by this factor to get some concept
of the. fallout intensity in the area of the buoys.
Sg, pes018 = Project 2.54; USERDL, - Distribution and
Intensity of Fallout. An estimte of 500 R/nr at
H + 248 given for shot 2 at a downdind distarice
of 5 miles.
This would be about 50,000 m/hr at
H+ 12, The specific measurements (if any) on
which this estimate is based are not given.
,
The subscripts used to identify the. sources of data on
Figures 9-1; are as follows:
From Project 2.5a report
\
'
x
,
,
‘
‘
R
~ Rad.
Safe. deta,
ho Project 2.58
data.
’ $6 » Total collector data.
G © Gwened paper date.