Michel, H, Barci-Funel, G, Dalmasso, J, Ardisson, G, Appleby, PG, Haworth, E, El-Daoushy, F, Michel, H, Barci-Funel, G, Dalmasso, J, Ardisson, G, Appleby, PG, Haworth, E, and El-Daoushy, F
Pu-238, Pu239-240, and Am-241 were measured, by a-counting after radiochemical separation, in two lake sediment cores. The profiles of these transuranics were compared to those of the fission product Cs-137. Datation of nuclear events and data on behavior, Addresses: Michel H, Univ Nice, Lab Radiochim & Radioecol, Fac Sci, 28 Ave Valrose, F-06108 Nice 2, France. Univ Nice, Lab Radiochim & Radioecol, Fac Sci, F-06108 Nice 2, France. Univ Liverpool, Dept Math Sci, Liverpool L69 3BX, Merseyside, England. Inst