Estimated dose rate at D+1 Milltroentgens per hour (Dunning, 1957) \ Redwing 10 4 \ | Operation Hardtack \ \ Gamma Dose Rates on } 4 \ Kabelle Istand —-— Theoretical decoy T'* \ \ \ —— Theoretical decay of U2*fission products as measured by the AN/PDR-39 (TIB) radiac at 3 - feet above an infinite plane io! (Miller and Loeb, 1958) q 10 10? '§5 ‘56'S7 SO'SOEIES 10° Days after March 1,1954 and March 1 of each year indicated Fig. 3. Decline of Gamma Dose Rates at Kabelle Islet. 14 /S