TOTAL TRITIUM ATOMS PER 107° GRAMS OF. AIR
T
—
|
|.
|
ALTITUDE
FEET
147-50,000
58-68,000
|70-78,000
80-83,000
|g8-91,000
T
]
1955 1957
1956 1958
*
4
@
@©@
*
wf
@
¢
YF
FF
TT
|
I
v
@
Vv
Lo
e
7x IQ” atoms
gm
«+
2
¢
e
e®
0
l
l
a
a
>
l
|
|
1
200
L
l
|
[|
EXCESS CARBON -14 ATOMS PER IO-° GRAMS OF AIR
Fig, 5 -- Excess C-14 versus total tritium
ee
-s
e,
a
A oO
lOO
T
=
4s;
aa
T
a
=
1O0r
-
|
300
l