-23-
UCRL- 3644
Table IV
Strontium-90 content of children's bones (from Libby Report)
Weight
Age
Sr99 content
in newly
Av. at
A/yr
8/1/54
6/1/55
formed bone a
(kg)
(kg)
to
to
{corresponding
measurement
(yr
sr?9 content
6
11/1/54
10/1/55
(uu Sr9°/g Ca)
di
to Jan. 1955)
(uuC Sx?°/g Ca)
birth
3.3
-
0.25
0.53
-
]
7.2
3.9
0.54
1.16
2.2
2
9.6
2.4
0.43
0.87
2.1
3
11.5
1.9
0. 39
0.68
2.2
4
13.4
1.9
0.35
0. 54
1.7
5
15,1
1.7
0.33
0.44
1.3
Av.
.
AA ppC S70 _
Ag
Ca
«99
Sr’°-
/Ca
(t2)
x wt
(ta)
A wt
- Sr’
(t,
~
90
t))
/Ca
(ty)
x wt
1.9
UY) 2.0
10.5 °
(The 12.0/10.5 is the correction factor for 10.5-month time interval 9/15/54
to 8/1/55.)