At Estimated dose rate
lO
1
Operation Operation
Gamma Dose Rates
\ Redwing
on Rongelap Island
Milliroentgens
per hour
at D+i
& From Dunning 1957
O University of Washington
|
\
“4p
\
———Theoretical decay TT"
Theoretical decay of U°>°
Hardtack
\\
oN
fission products as measure
10!
-
by the AN/PDR-39 (TIB)
radiac at 3 feet above an
a.
infinite plane
|
|
(Miller and
\
Loeb, 1958)
\
\
March |
'56'575859'6163
1955
J
Pops
ji
T 3
IO
lO
lO
Days after March 1,1954
10-2
q
y
2
lO
and Marchi of each year indicated
Fig. 2.
Decline of Gamma Dose Rates at Rongelap Island.
13