EXTERNAL GAMMA RADIATION
1000
Graph 1
GAMMA DOSE RATES ON THE ISLAND OF RONGELAP
MILLIROEN TGENS PER HOUR
100
10
1.0
Gamma Dose Rates Three Feet Above Ground on Isiand of Rongelap,
‘——-—<= Theoretical Decay According to (Time)”'+2 (Starting D + 1 days),
steneease Estimated From Relative Theoretical Gamma Dose Rates, Decay
Rates of Fission Products, Energy of the Gammas, and the Number
of Gamma Fhotons Per Disintegration.
1.0
!
10
100
TIME AFTER DETONATION (Days)
1000