ot O+1

10%

lO.

per

hour

1o* |

2

Gamma Dose Rates

Operation Operation

Mi/lroentgens

on Rongelap Island

|

\ Redwing

A From Dunning 1957
© University of Washington

\

Hardtack

\

\

—— Theoretical decay T7'@
_
Theoretical decay of U2>>

\
oN

fission products as measure
by the AN/PDR-39 (TIB)

10"!
~

radiac at 3 feet above an
infinite plane

\

(Miller and

\

Loeb, 1958)

\
March!

1072

:

10

;

10°

1955 '56°5758'59'6163
{
i ht Lt

10

Days after March 1,1954
and Marchi cf each year indicated

Fig. 2.

4

10

Decline of Gamma Dose Rates at Rongelap Island.

Select target paragraph3