/\
.
~Estimated dose rate
%
on Rongelap Island
e
&
8
$s
—
&
=
Operation
Gamma Dose Rates
Q
©
L.
3
8
<
°
at D+
\ Redwing
A From Dunning 1957
© University of Washington
\
Operation
Hardtack
\
\
———Theoretical decay T™'2
Theoretical decay of U 235
\
fission products as measure
by the AN/PDOR-39 (TIB)
radiac at 3 feet above an
infinite plane (Miller and
Loeb, 1958)
\
\
Marchl
'
10
7
10°
1955 '56°5758'59'6163
L
j
: on {
10
Days after March |,!954
and Marchi of each year indicated
Fig. 2.
J!
}
10
Decline of Gamma Dose Rates at Rongelap Island.
ry
Pry,
4