a,
-
figs
aa
~
Nw
Gy
,
~
(.
ra
t
"
‘
Wuieh has a half-life of iz.6 days.
It bein; a mucn vnovter
Fa
C
a
lived fission product affords a pousibility o
revealin, cetails
which tne ionger Livea ctroncium-C9 cannot suow.
“29% sats for ouc most
vA
“ives detailed date foc the sz¥9,
Fi.ure ve
concerted and carefuiiy conducted vain fallout study, the
a
Pictcburgn etuay.
In the figure iv cnown the theoretica: cuxve
and again the agreement ceems to be caticfactory.
Figure 9
shows the anaio,ous Gata for the cavium-i4J - strontium-9 ratio
in the Pittspur ln rain, ana Ficvuce ij snows recent fal_out vata
for the cities of Plttsbuysh and Wevrcwooa, lew Jersey, together
witn the stzontium-v9 to ctrontium-9. ratiog in Westwood.
Finalsy, Figuee i. shows tue wocla-wice rain pot data for montnly
collections in variou. places over tue woxit.
These data
corvsespona to the stxorticm-o9 co sersntium-95 vatio data siveii
Figures 6 and 7-
fil of tnese Gata ace piven in the
ceference, H’SL-42 .eport —/.
Tt iv clear from Figures / througn ii that these ic a
strong correlation vetween the strontiun-o9 to strontium-9y
cest secies as snown on tne bottom
ures, and tiie success of the cimple theory in
C‘
me)
[ete
oO
ar)
ci
o
en
Fa
vatio and the occurrence o
peedictins anu acesunting foe the Vtcontium-c9 to ctrontium-9J
vatios indicates that it ic quite Like1Ly that a goou part of
the extia faiztout Lis Lacitudes ia weieh testing occurs, cucn ac
che midd_e novtnercn iatitudes ic due co tropospheric faliout and
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