REDUCTION OF RADIOISOTOPES BY REMOVAL
OF SURFACE* SOIL
CS—137

|

]

ISLAND

% CLEANED
OF ISLAND

PRE-

POST

IRENE
JANET
PEARL

IN CONC.

3
13
a4

10
31
15

6
16
7

“40
-48
“53

‘SALLY

*TOP 15 cm.

4.5

CS-137 pCi/g_

PERCENTAGE

7

3.5

CHANGE |

-50 ‘|

Select target paragraph3