1000

Gamma exposure rate (mR/h)

~ 100

10

Gamma doserates three feet above
ground onisland of Rongelap.
—-—— Theoretical decay according to {time)7!2
(starting D + 1 days).
covccces Estimated from relative theoretical gamma

dose rates, decay rates of fission products, energy of

the gammas, and the number of gamma photons

per disintegration.

!

0.1

10
.

100°

Time after detonation {days)

1000

LRA-5

Select target paragraph3