Be Estimated dose rate at O+1 10> | S 210 J XY Q Gamma Dose Rates & 4 From Dunning 1957 0 Operation Operation on Rongelap Island : 1 | S \ Redwing © University of Washington \ \. ——-—Theoretical decay Te = \ Theoretical decay of U°>° oN fission products as measure | 1O" Hardtack \ by the AN/PDR-39 (TIB) 4 radiac at 3 feet above an infinite plane Loeb, 1958) (Miller and \ \ Morchl 1072 ; 10 107 1955 '56'5758'59'6163 poptt 10° Days after March |,!954 and Marchi of each year indicated Fig. 2. 10° Decline of Gamma Dose Rates at Rongelap Island.