Estimated dose rate at O+1
Milliroentgens per hour
(Dunning, 1957)
| Operation
Xt Hardtack
Gamma Dose Rates on
Kabeltle Island
\!
\
—— Theoretical decay Tl
\
\
\
—— Theoretical decay of U2" fission
products as measured by the
AN/PDR-39 (TIB) radiac at 3
feet above an infinite plane
IO
(Miller and Loeb, 1958)
T
10
1
10
0O
‘55
fa
‘56 '57'58'596163
tt
14
10°
Days after March], 1954
and March 1 of each year indicated
Pig.
3.
Decline of Gamma Dose Rates at Kabelle Yslet.
10