zo
46
wo
= 12
~
3
~
3
L
an:
oO
$r9° FALLOUT
CHICAGO MILKSHED AREA
4
0
{
19953 54
100 -—
=
|
55
|
j
56
57
—
PF
Pot
|
J
PF
Po
(DATE)
tot
ft
tot
pbb
be
1000
—_—
—
~
s-
t
z
°
- 89
o
TOTAL SKELETAL Ca
g BOF |
tan
\
3°
— |
+
AS A FUNCTION OF AGE
7 B00 z
E
me
Wy
\
|
rt)
ERATE OF DEPOSITION OF SKELETAL
=~
{Ca AS A FUNCTION OF AGE
8
—} 600 .
+
w
a
", 40
3
oO
a
| 400 a
=
lt
a
Oo
_—
ta
% 20
ke
—} 200
owl
ttt!
0
2
4
tip
6
8
arin ee eee, ~
tt
pp tt
10
AGE, YEARS
42
14
ty
{6
—4
Pe,
~
—
‘8
20
Fig. 4——Rate of skeletal accretion in relation to rate of environmental contamina-
1.0
a
ee
ee ee
ee
ee
ee
e
|
!
“oti—— ACCRETION PLUS REMODELING AND EXCHANGE
‘\
0.04
\
L but
oO
\eo--—-
t———- ACCRETION
|
APPARENT FRACTION OF EQUILIBRIUM, Sr°%ca RATIO
@ sr°° BONE DATA (KULPI
pet
tion.
|
10
|
|
20
30
|
AGE, YEARS
40
|
|
50
|
{|
60
Fig. 5— Apparent fraction of equilibrium Sr®* /Ca ratio in relation to skeletal
age.
295
d
70