REDUCTION OF RADIOISOTOPES BY
REMOVAL OF SURFACE* SOIL
SR—90

ISLAND

% OF ISLAND

IRENE

3

47

31

-33

JANET

13

69

32

11

-54

" -61

12

4

-67

PEARL

SALLY

* TOP 15 cm.

44

4.5

SR-90 pCi/g

28

PeaANGE

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