70 YEAR AIR DOSE CALCULATIONS PARRY ISLAND Fallout occurred on 5/14/58 at Ht30. The doserate Rt=19.0 mr/hr Ry 164 x 19 1216 mr/hr a (H455)=2.5 x 1216 Da(—t+e0)=5.0 x 1216 Da=(5,0-2.5) 1216 = 3,040 or Fallout occurred on 6/30/58 at H+30. The doserate Rt=1.08 mr/hr Ry= 64x1.08=69 mr/hr Da= (5.0-2.5)69 = 172 mr Fallout occurred on 7/14/58 at H+50, The doserate Nt= 1.06 mr/hr R i" 115x1.06 122 mr/hr Da=(5.0-2.7) x 122 = 280 mr Total air dose delivered = 3.040 + 172 + 280= 3,492 mr