At stimated dose rate
at D+i

10° |

10% |

QW

3

.

.

o

Gamma

Q

Dose

Operation

Rates

\ Redwing

on Rongelap Island

&

&
=
o |

4 From Dunning 1957
© University of Washington

|

YN

3

\

Operation

Hardtack

\

———Theoretical decay T7!?

=

Theoretical decay of u25°
fission products aS measure

Tow

by the AN/PDR-39 (TIB)
7

radiac at 3 feet above an
oa
infinite plane (Miller and

\

\

Loeb, 1958)
| 0-2

\

°

March

:

;

10%

10

1955 '56'5758'59'6163

{ — i it

10

10

Days after March |,1954
and Marchi of each year indicated

Fig.

2.

Decline of Gamma Dose Rates at Rongelap Island.

13

4

Select target paragraph3