[Estimated dose rate at D+l1l (Dunning, 1957) Sig Owl g w is5) q YH °c s E16 9 = \ Operation \ Redwing 7 \ | Operation \f Hardtack = Gamma Dose Rates on loo \! Kabelle Island —— Theoretical decay 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) ‘55 q oT 10 10° OO ‘56 'S7 S8'59'6163 + q 10 3 Days after March 1,1954 and March 1] of each year indicated Fig. 3. Decline of Gamma Dose Rates at Kabelle Islet. 14 1O 4