-30- | | | | | \ \ _ | \ \ . \ : Soil e— ——e Leaves 9g» Theoretical — — — 4104 decay of miss fission X products | - LO 4103 uc/kg uc/kg of of wet tissud dry soil a 10 10° Pre- Nectar Soil \ _ _Pre-Nectar , leaves \ | | 10 1 Days after May 14, Figure 9. ’ \ Le ! 100 _-— — +10 \ \ \ 1000 1954 Decline of radioactivity of the terminal leaves of Scaevola sp. and of the soil at Belle Island, 1954-1955, compared with the theoretical decay of mixed fission products (15