requirements.
Thus, during the 5 hours between evacuation and detonation,
unpredicted shifts in forecast favorable winds could increase the fleet
fallout hazard.
Two distinct time periods of hazard were recognized:
a prompt-effects
period, where protection was required against the primary radiation
effects occurring at the time of detonation; and a delayed-effects period,
where protection was required against descending fallout and at places
made radioactive by the prompt radiation or the fallout.
Protection
Falee
against the prompt radiation was effected by the removal of people to safe
Ih jten
of the~~,
the complete evacuation
distances from ground zero, jwhich entailed
see
ae ayaa
etter
pre aneninsye atoll for the MIKE shot/
Protection against the delayed effects (by far
the largest area of IVY radsafe planning) included the use of instruments
designed to indicate both the presence and intensity of radioactivity at
.
a
.
.
.oS
pas
given places, ‘conducting area radiological reconnaissance, maintaining
~~ contamination situation maps, posting of hazardous areas, minimizing the
Spread of contaminated materials into uncontaminated areas,
ne
and using decontamination procedures.
Lest ecqnr teeny
Wad The
.
ma.
aren,
Control
WIAS
on
of enitu ) ime
Kea Vs
mg
\
(soap FW Re
eobablivheneni aw VWae
A
\
ae
at Cla. Zany
canitel
&x: ye
Reeset
Caer
woe
;
1
.
‘|
RADSAFE PLANNING
The Chief, JTF 132 Technical Operations Branch (J-3), was also the
Chief Radsafe Officer.
As such, he was responsible for advising the CJTF
on the measures necessary to ensure the radiological safety of all test
2-2
-