bee
C
P-
t
mm
t
po
q
q
:
4
r
bee
4
ijooOr
4
a
_
J
A!
a
GAMMA Lt
a
activity |!
n
qs
:
“\
100F :
FC
’
:
“
=
1———= PLANKTON STATIONS 50,5!,52,53 2
r
i
$
L
\
5
\ PLANKTON STATIONS 43,44,45,46
———
a
lok
~
PLANKTON STATION 42
-
—
Co/Zn = 5.5/1.0
Co
P
~
~
58
87
+>
I2MEV SIMEV
nd
l
02 04
Fig. 2
“
.
A
p= Co
2
Co/ Zn0.9/1.0
S765
-~
.
Co'/ Zn” =0.19/ 1.0
i]
x
MEV
t_
06 08
MEV
j
WW
cg”
A
[MEV Co
|
[3 MEV
a
12
+
Co. SPIKE
4
DOE ARCHIVES
|
14
Gamma spectrum curves from three areas west of
Eniwetok Atoll showing the variation in ratio
of Co?/en®5,
The gamma peaks of mn>4 C058,
and Co©° are also indicated.
The gamma peaks
of a Co°? spike are shown for comparison.
3