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Program 2 = WUCLEAR EFFECTS
Program Director - E. A. Martell, LtCol, USA
‘Project 2.1 = GAMMA RADIATION DOSIMETRY
Project Officer - R. H. Dempsey
Objective
To measure the gamma radiation exposure at various locations following
+ een
a nuclear detonation.
Instrumentation
Film and chemical dosimeters were placed in 3" aluminum cannisters
meted on 2" aluminus stakes.
3 feet above ground.
The detectors were placed at a height of
Both detecting systems were calibrated against an
ope wy re Swe ot
U Mev betatron,
Results
Shown
in
Table
2-1-1,
Diecussion
dnalypis of the date was made assuming a fall-out time of } hr.
Watime 76, 77, 78, and 79, show evidence of having been exposed to
| Smmdersble initial radiation in addition to the residual radietion
it mut heave been present. Unfortunately, the films from stations 76,
p+ @ Ran partially destroyed, the data from 78 being based on the
: “WS place of fie found, It 1s hoped to be able to plot an RD* vs D
E "T™ Fe the initial radiation shen the chemical detectorsare analyzed.
3
=
“ponent was calculated for the remaining stations and
e erage Valo
of 1.13,
BEST AVA
ILABLE C
opy
Zin
2
ey
De dncay