13
Ae timated
dose
at Ot+i
l
©
—_
Operation Operation
Gamma Dose Rates
on Rongelap Island
—_
Milltroentgens
per hour
107
rate
\ Redwing
& From Dunning {957
© University of Washington
Hardtack
\
\
———Theoretical decay T™'4
Theoretical decay of u2°°
\
o\
fission products as measure
by the AN/PDR~-39 (TIB)
radiac at 3 feet above an
infinite plane (Miller and
Loeb, 1958)
Marchi
107?
J
10
T
10%
1955 '56'575859'6163
J
ft ttt Ls
Days after March 1,1954
“T
10°
10
and Marchi of each year indicated
Fig. 2.
Decline of Gamma Dose Rates at Rongelap Island.