SS
T
E
SHOT 3
Zebra O- 12 Her
E
ACTIVITY (DISINTEGRATIONS PER MINUTE)
ACTIVITY (DISINTEGRATIONS PER MINUTE)
io
10°
XN
o
E
‘
[~
oS oe
107|=
oN
A
=
T=
SHOT 3
_
Brovo 04 V2Hr
=
——~— Interval Activity
>
—— Cumuictive Activity —
a
~~ ~e
_
a
=
A
1
4
12
SHOT 4
Charlie 0-12 Hr
\
i
{
}
1
1V
i
|
\
/
\
4
\
i
j
CT TET
3oo
b—
N
3,
=
:
3
10° --—~
4
a
8
3
5
E
-
|
+—
—
]
2
{
4
6
i
8
|
10
TIME AFTER SHOT (HOURS)
TTT Tord
tr
T
~~
~ ~e
~m ~
I
TY Tem
|
5
PT
TIME AFTER SHOT (HOURS)
5
T
io
i
16
TTT
i
g
&
J
s
|
6
a
Pa
ACTIVITY (DISINTEGRATIONS PER MINUTE)
1
|
4
TIME AFTER SHOT (HOURS)
ACTIVITY (DISINTEGRATIONS PES MINUTE)
10%
E
[
2
Ladiitii ftpti
eo
no
t2
il
TIME AFTER SHOT (HOURS)
Fig. 315 Variation of Beta Activity with Time, Shot 3,
Zebra 0-12 hr, Bravo O-14 hr; Shot 4, Charlie
0-12 hr, How 0-2 hr.
61