EXTERNAL GAMMA RADIATION
1000
Groph J
—
»
GAMMA DOSE RATES ON THE ISLAND OF RONGELAP
at
100
MILLIROENTGENS PER HOUR
s
AeEEEleahihEtcee ad’
=
10
1.0
+
Gamma Dose Rates Three Feet Above Ground on Island of Rongelop,
‘—— === Theoretical Decay According to (Time)*!+2 (Starting D + 1 days).
secevcece Estimated From Relative Theoretical Gamma Dose Rotes, Decay
Rotes of Fission Products, Energy of the Gammas, ond the Number
of Gamma Fhotons Per Disintegration.
0
4.0
|
10
|
100
TIME AFTER DETONATION (Days)
1000