radiological safety monitor equipped with suitable RADIAC equipment
and a radex plot.
This monitor shall be capable of calculat¥ng allowable exposures under both tactical and operational conditionq.
(4) All persons in aircraft at shot time, or at subsequent]
times
when engaged in operations in or near the cloud or radex tradk, shall
wear film badges.
(5) Pilots and copilots of aircraft in the air at shot time shall
use modified all-purpose 0.1 density filter goggles.
Copilofs should,
as an extra precaution,
cover
their eyes with forearm at zerd
hour.
e. In air and water the following continuous levels of radiodctivity
are considered safe from the viewpoint of personnel drinking fand
breathing:
(uc - microcurie).
Long-lived Alpha
Beta or Gamma Emitter
Water
NOTE:
Air
5
x lo74 uc/ce
107® uc/ec
(at H+3 days)
Emitters
107? uc/@€c
6 x 10712 uclec
In air for any 24 hour period after a shot,
1074 uc/c
particles less than 5 microns shall not exceed 107® uc/cc).
13.
of which
All radiological safety operations for Operation CASTLE will
Sidered as routine and will comply with permissible radiolog
posures for routine work, except "special operations" which
Specifically designated by CJTF SEVEN. In tactical situatio
military commander must make the decision regarding allowabl
sures.
As military personnel are normally subject to only r
exposure, health hazards are at a minimum.
Current Departme
Defense information on exposure to gamma radiation in tactic
tions is indicated below:
a. Uniform acute (immediate) exposure of 50 roentgens to a
Armed Forces personnel will not appreciably affect their ef
a fighting unit.
oup of
ciency as
b. Uniform acute exposure of 100 roentgens will produce in
casional
ill render
individuals nausea and vomiting, but not to an extent that
Armed Forces personnel ineffective as fighting units.
Pers nel receiving an acute radiation exposure of 100 or more roentgen should be
ssible.
given a period of rest and individual evaluation as soon as
c. Uniform acute exposure of approximately 150 roentgens or
reater
as troops
within a few hours through a substantial incidence of nause , vomiting,
weakness and prostration.
Mortality produced by an acute e
150 roengtens will be very low and eventual recovery of phy
ness may be expected.
can be expected to render Armed Forces personnel ineffectiv
da. Field commanders should, therefore, assume that if subst
bers of the men receive acute radiation exposures substanti
444