| Estimated dose rate at D +1 Milliroentgens per hour (Dunning, 1957) \ Redwing \ | Operation N\! Gamma Dose Rates on Hardtack \| \ \ Kabelle Isiand 4 \ 0 —— 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 (Miller and Loeb, 1958) q T 10 102 00 De sr SeaaerES q io? 10 Days after March 11,1954 ond March 1 of each year indicated Fig. 3. Decline of Gamma Dose Rates at Kabelle Islet. 14 (2