EXTERNAL GAMMA RADIATION
1000
Graph 1
GAMMA DOSE RATES ON THE ISLAND OF RONGELAP
MILLIROENTGENS PER HOUR
a
e.
a:
100
10
1.6
Gamma Dose Retes Three Feet Above Ground on Isiand of Rongelap,
‘moe mm Theoretics! Decay According to (Time)”!*2 (Storting D + 1 days),
“,
-:
pe‘
PP kam Ropes
a
ms
.
:
we
svssesens Estimated From Relotive Theoretical Gamma Dose Rates, Decay
Rates of Fission Products, Energy of the Gammas, ond the Number
of Gamma Fhotons Per Disintegretion,
1.0
|
10
L
100
TIME AFTER DETONATION (Days)
1000