1
Table I. - (Continued)
Per cent abundanceat: i
)
Fission
One
One
One
Ten
products
week
month
year
years
Bal49
3.8
10.8
---
---
13 days
300
Lald40
9.4
12.5
v--
eee
40 hours
200
Cel44
---
2.0
26.5
---
Pri44
---
2.0
26.5
---
Pmi47
---
5.7
15.8
~~~
Relative
MPC
Half life?)
values)
285 days
100
17 mins.
*
950 days
2, 000
Mn°4
290 days
1, 000
Fe95
950 days
8, 000
Fe59
45 days
600
Co57
270 days
5, 000
Co58
71 days
1, 000
Co60
1900 days
500
zn85
245 days
1, 000
Nor-fission
products
1) Hunter and Ballou (1951)
2) Strominger, Hollander and Seaborg (1958)
3) MPC values relative to $r90; based upon values from Handbook
69 for which MPC for Sr99 ig 1078yue/ce
*
A short-lived daughter for which hazard is negligible in
comparison to hazard for parent