“0
GROSS ACTIVITY
ug
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ay
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Groph 3
IC/KG WET
10,000
100
—
1,000
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they sage
ER
10
=
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upted
SSR 6
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O
100
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1
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\ NS COCONUT MILK
ALGAE
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10
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BEACH
SAND
\
1
10
j
25
!
135
Lj)
280
YJ
0.01
od
0.001
10
©6600
DAYS AFTER MARCH 1, 1954
1
1
25
135
a
330
RATE OF DECLINE OF RADIOACTIVITY IN ALGAE AND SOILS AND COCONUT MEAT
AND MILK AT RONGELAP ATOLL FROM MARCH 26, 1954 TO OCTOBER 23, 1955.
427792--57-——-8