TABLE 3.10 ~ Derivad Values from Know I
nsity Ratio
of 1600 kev Gamma Ray
La
to the
Other Gamma Rays in Lat490 oy3 pal40
Isotope
Cer
From Lal40
335
"
"
Gamma Activity at Time of Shot
106 Gamma Rays/min/gn
0.395 + 0.015
490
820
n
164
1.0
2510
From Bal40
00195 + 0,015
30
40
162
"
"
+ 0.12
+ 0.09
Zeb
304
0.51
537
Les
+ 003
+ Oo?
+ 0.03
+
Ge
“41a240pq140 are ussumed to be in secular equilibrium with a half
life of 12.8. dayse
TABIE 3.11 = Important Gamma Contributors to Shot 4 Activity*
In
| Sarma Ray
ate-lite
i
Gs
Days
oS
145
6
1
309
264
340
500
33
55
5
6
1
700
750
6
”
500
40
7150
|
|
1600
+
*
at
35
12 of
at Time of shot
Possible
Gamma Activit
10° GammaRaysningm isotope
03
£ O6
N
oe a3”
venaee
0.095+ 0.05
13° +3
6
+43
308 +1.1
2h +005
Ce
U237 and Np239
0-37 and Np239
0°37 and Np239
Nalé? 9
11.4
+1.0
0.25 + 0.05
Bel
309
+1led
+ 003
36
+ 0.3
0657 + 0023
At times greater than 10 days after the shot
=6Combined
83
Notidentified
Rut03
Not identified
Not identified
Not identified
Lal40