888
THOMPSON AND LENGEMANN
leases of radioactivity were to occur (in which ‘I would be par-
ticularly significant). The pattern of seasonal *Sr intake from milk
is shown in Fig. 9 for the 1961-1963 period. It is evident that the
summer declines in milk consumption have not been of sufficient
le
a
P
300 LL
|
Y 200 FH
NORTHEAST
-——= NORTH CENTRAL
—+— SOUTH
—e— WEST
=—o— UNITED STATES
PC
be
1610]
4
_
7
—
_
200 +~
400
PC
300
200
100
MONTH
Fig. 9—-Seasonal variation in Sr intake from milk by geographic area
of the United States for 1961-1963.