Bee chimated dose rate Milftroentgens O per hour at Del Gamma Dose Rates Operation Operation \ Redwing on Rongelap Island | & From Ounning 1957 ° University of Washington \ Hardtack \ ———Theoretical decay T7'@ \ Theoretical decay of u=>> oN fission products as measure \ by the AN/PDR-39 (TIB) 7 radiac at 3 feet above an \ infinite plane (Miller and \ \ Loeb, 1958) Morchl T iO r 1o* 1955 '§6'5758'59'6163 j Days after March 1,!954 1 4 41} 10 10 and Marchi of each year indicated Fig. 2. Decline of Gamma Dose Rates at Rongelap Island. 13 4