(a)
Vocal Alarm.
The word FALLOUT indicates the arrival of radioactive fallout in a
unit. The first person to detect the arrival of fallout will usually
be a radiological monitor operating a radiacmeter at the unit command
post. When a radiacmeter records a dose rate of 1 cGy/hr or higher,
the monitor should immediately alert unit personnel using the word
FALLOUT. All personnel hearing this warning should relay the warning,
get under overhead cover, and stay there until given an all-clear
signal or until directed to move for some other reason, such as the
unit's preparation to leave the area.
(b)
Sound Alarms.
These alarms are the same as those for a chemical or biological
attack. Metal objects beaten together in a rapid and continuous
motion, a short blast on a horn, or a broken, warbling siren are
possible sound alarms.
(c)
Visual Signal.
The visual signal is the same as that for a CB attack: both arms
extended horizontally sideways with fists facing up and moving rapidly
to the head and back to the horizontal position. Use visual signals
when battlefield noise would drown out sound alarms or when the
situation does not permit the use of sound signals.
(d)
Color-Coded Signal.
The color-coded signal is black, the same as that for chemical or
biological attacks.
(4)
Removal of Fallout.
Because fallout is a fine dust, personnel can partially remove it by
brushing or dusting it off. If personnel entering a shelter have
fallout on them, they should remove as much of it as possible before
entering the shelter. The best way to remove fallout, however, is to
wash it off. If at all possible, personnel should shower, being
especially careful to remove fallout dust from their hair, from under
their nails, and from any cuts, scrapes, or open wounds. Personnel
should launder or exchange their clothing if possible. They should
also wash, wipe, brush, or blow off fallout from all personal
equipment.
CAUTION
Fallout left in contact with skin may cause skin burns
similar to first, second, and third degree burns.
IS0345
1-16
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