/\ . ~Estimated dose rate % on Rongelap Island e & 8 $s — & = Operation Gamma Dose Rates Q © L. 3 8 < ° at D+ \ Redwing A From Dunning 1957 © University of Washington \ Operation Hardtack \ \ ———Theoretical decay T™'2 Theoretical decay of U 235 \ fission products as measure by the AN/PDOR-39 (TIB) radiac at 3 feet above an infinite plane (Miller and Loeb, 1958) \ \ Marchl ' 10 7 10° 1955 '56°5758'59'6163 L j : on { 10 Days after March |,!954 and Marchi of each year indicated Fig. 2. J! } 10 Decline of Gamma Dose Rates at Rongelap Island. ry Pry, 4