ACTIVITY , C/M

A+ ALGA, CAULERPA
B = PLANKTON

C= SPONGE

{tf

[—

D= DREOGED SAND
-

E= WRASSE LIVER
F = SNAIL (PRESHOT)
G= SURGEONFISH MUSCLE

20

|
30

DAYS

!
40

AFTER

{
50

M

I
60

\
70

DETONATION ,

Figure 3.

|
80

1
90

NOVEMBER

|
100s

1, 1952—

Decay curves.

~ 15 -

i
IO

{
120

130

Select target paragraph3