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INTRODUCTION
comparisons | or to ‘draw contin
asions.
eenly into these sudjects.
1.2
BACKGROUND
(U) A comprehensive report summarizing the data from i
measurements (O to 1 minute after detonation) made at nucle
has been needed for some time.
The initial gamma dose measu:
here were made by the following DOD agencies:
the US Army
a
w
(LASL), the National Bureau of Standards (NES), and other agencies
ry
Gamma. data which were compiled by the Los Alamos Scientific Labora‘:
aD §
Dee and Develorcrent
weeee
Laboratory (USANDL), the US Army Signal Research
(USASRDL), and the Radiological Safety (Rad Safe) Group at she tes
XO
oR w Wig
D eh vi
fully
ct
now
Ve
ae)
id
f
Cu)
‘S
presented whers DOD data are not availabie and where the cava of suc
agencies are needed for comparison.
Information concerning the detonst*
for which gamma dose data are available is presented in Taole 1.1.
Sie
yields quoted are based on current information and may be suoject
to
minor Changes.
mn)
te
ment of gamma
:
4
ration Turblse-Snavee:
Rad Safe had performed gamma-dose measurements on a& oneOperation Sandstone in 1948.
Gamma dose was measured duricg
Greenhouse by the NBS and during Operations Ranger, Buster-Janzle, ans
Ivy almost exclusively by LASL.
The US Army Signal Corss
A
dose measurements at the underground and surface shots during
dangle; however, most of the detectors remained in fallou
Yr
50 hours.
(U) Film has been used at every operation since Sand
gamma dose.
To provide energy independence and electroni
conl
various film holders have been used -- the moss common bei
LASL holders,
In addition, silver-phosphate-~-glass blocks
chemical-dosimeter systems, and cobalt-glass plates have bee
number of the operations with varying degrees of success.
Bi
type gamma-dosimeters were tested during Operation Greenhouse.
1?
2