7¢_YEAR AIR DOSE CALCULATIONS
UJELANG.
Fallout occurred on 5/7/58 at H+34... The doserate
Rt=0.30 mr/hr
R
1
74 x 0.30 mr/hr
22,20
The Dose in Air is
Ga(H4+34)=2.5 x 22.20
Dallitoe)=5.0 x 22.20
va
=(5,0=2,5)22.20
255.5 mr
Fallout occurred on 5/1€/5€ at H+110. .The doserate
Rt=0.25 mr/hr
R,=8.25 x 300
=75.0 mr/hr
The Cose in Air is
Da(8+110)= 75 x 3.1
Da(—ltoo) = 75 x 5.0
Da
=(5, 0-3, 1)75
=142,5 mr
Fallout occurred on 6/30/58 at H+36.
The doserate
Rt=0.29 mr/hr
R,=0.29 X 76
=22,04
The Dose in Air is
ba(Et36)= 2.6 x 22,04
Da(—=o0)* 5.0 x 22.04
Da
=(5,0-2.6)22.04
=52,.°9 mr
The total 70 year dose delivered for the three fallout incidents
on Ujelange is:
55.5 + 142.5 + 52.98 = 251 mr