4

B

pe
°

0
0

0
-09

oO

"06

8

9

10

°

‘53

°

T

°

‘12

18

6

O¢

Al

°

o

06
o

22

WOTHO

I66 E

FIG. 15. RADIOACTIVITY OF WATER FROM 75 METER DEPTH IN
THOUSANDS OF DISINTEGRATIONS PER MINUTE PER LITER.

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