Three people were directly engaged in particle sample remofals.
A
fourth person served as an overall supervisor to ensure complifnce with
sample removal procedures.
A minimum distance of 25 feet (8 m@ters) was
used as a criterion for separation of sample removal equipment] from the
hot sample pod, as well as for personnel while not removing safples.
Per-
son No. 1 advanced to the pod, cut the filter-retaining wire (figure 27),
then returned to his initial position, still holding long-handJed tongs.
Person No. 2 advanced with a 9-foot (3-meter)
sample
removal pole, sequred the
(Figure 28), and deposited it in the shielded "cave," og
(Figure 29).
enclosure
Person No. 1 stood by to help No. 2 by using the Jlong~handled
tongs if the sample should fall to the ground.
After the sample was de-
posited in the cave, he returned the tongs to the tool trailer and secured
a hook tool.
He then joined No. 2 and opened the sample holdey for No. 3
to insert a rolling tool over the filter paper (Figure 30).
rolled the filter paper
(Figure 31), No. 1 and No.
the cave, aircraft, and other radiation sources."
ie
7
10, EN Cepr
:
.
.
ed
a
70
oe
=
Zo
aT
ie
¥
.
.
:
Person No.
clear of
# put the
en ne
7
-
7"
a
.
~ nat
3
oe
Tr ane ree. rh Ah etd
~—engg2S
.
2 stood “well
tome
2 en ee ae
Ta
gree we ee Bek
Ag No. 3
.
OS Et an ro gde EO ey
Seeae
eR
.
.
eRe
tee
RT One
oD
= my
~ fare”?
te ae Oe
8!
ot
A ee
”
-more
~
eb
we
:
we
=hee
te oe
ane
ne.t
ee
“chs
“—
Ai
gece:
fas
a oe
Figure 27.
..
fa
wots
&
*
ada
ss
film
f.
®
74
wom
motes
TRAST oO
vr
o
"05
~
.
~~ nee
“Tt
"
aa- gat ~
<-
-
-
.
.
ee
A geeie
H
Cutting filter paper retaining wire in left tank]
141
CASTLE.