30
oy
Porry
od
Voy yy
1
PPy
oT
yoray
i
7
Tt
ALTITUDE, KM
25 be
20
15
19 |sROPOPAUSE
A
x
@
o
3 f—
o
107!
ALTITUDE, KM
30
bb pol
10°
>0.15 p RADIUS
0.02 TO 0.15 p RADIUS
<0.02 p RADIUS
TOTAL
path yp
10!
10?
=
ph
10
104
TOTAL B , NET COUNTS/ MIN x G/M? (5.T.P.)
TTT TTT
faeoon
TTT
TTT To
25
_
20 —
~
i oe
+
x
10 /- TROPOPAUSE a
—
_
5K
0
10°
ALTITUDE, KM
30
tL
tel
4
ftuyt
t
{
]
Por dy
y
pyuyl
y
yyy
10!
10°
10?
4Ce CONCENTRATION, DIS/MIN PER CUBIC METER (S.T.P.)
ry]
{
}
Vl
|
104
ro
25 EE
=
20 /-
~
10 /_
5
0
iy
TROPOPAUSE
—
eed
107?
—
Le
ep sit
107!
ye
pe etl
10°
ye tt
10!
sr CONCENTRATION, DIS/ MIN PER CUBIC METER(S.T.P.)
107
Fig. 3~-Radicactivity data for impactor —fillter collections over Minne-
apolis, Minn. (45°N 93°W), on Sept. 25, 1962.
167