At stimated dose rate at D+i 10° | 10% | QW 3 . . o Gamma Q Dose Operation Rates \ Redwing on Rongelap Island & & = o | 4 From Dunning 1957 © University of Washington | YN 3 \ Operation Hardtack \ ———Theoretical decay T7!? = Theoretical decay of u25° fission products aS measure Tow by the AN/PDR-39 (TIB) 7 radiac at 3 feet above an oa infinite plane (Miller and \ \ Loeb, 1958) | 0-2 \ ° March : ; 10% 10 1955 '56'5758'59'6163 { — i it 10 10 Days after March |,1954 and Marchi of each year indicated Fig. 2. Decline of Gamma Dose Rates at Rongelap Island. 13 4