WF andar 6 cmasald ot a ie ve Ar eabtnatsnnceeteiins he lee oa | Estimated dose rate at D+1 (Dunning, 1957) Millrroentgens per hour 107, \ Operation 10. \ Redwing \ | Operation XN! Gamma Dose Rates on —_ . Hardtack ‘I \ \ Kabelle Island —— Theoretical decay T'? \ \ \ —— Theoretical decay of U?>> fission products as measured by the AN/PDR-39 (TIB) radiac at 3 feet above an infinite plane 1O'L (Miller and Loeb, 1958) T 10 T 10? ‘55 00 ‘86‘57T SES9IEIES 10° Days after March 1, 1954 and March 1 of each year indicated Fig. 3. Decline of Gamma Dose Rates at Kabelle Islet. i 10 4