T

T

TT

T

CT

Ty

,

oO

°

oO

URINE ACTIVITY CONCENTRATION /pci rr!

a

T

10°
.
Fig.

4

i

1
DAYS

10°

I

1

POST RETURN

104

90
.
oe
Mean Adult
Sr Urine Activity
Concentration
History at Rongelap Atoll

12

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