iO
—
a
GILL
5 LF
4
MANTLE
L
L
J
{ MUSCLE
a
“| DIGESTIVE GLAND |
=| BEACH SAND
4
BOTTOM SAND
2r
RELATIVE D/M/G WET
a]
107 —
7
'
5b
SyNy
a
2+
Ni
4
—
:
Xk
-_
Ni
SN
le
Hi
.\i
OEa
-
.
5k
-
25
{
af
-
NS
4
NG
SS
4
\
IGURIN
419
iy
4
RIGILI!
14
Se
NS
BOGALLUA
3
7
i
ENGEBI
3
:
SHEE
AARAANBIRU
9
fd
EE
RUNIT
12
-NAUTICAL MILES FROM GROUND ZERO
Figure 5.
Relative radioactivity of soil or beach sand,
bottom sand taken from sea cucumber guts and
giant clam gill, mantle, muscle and digestive
gland.
‘The relative activity of each type of
sample at Igurin is taken as l.
on
~ 39 —