In order to estimate the fallout amounts of transuranium elements, monthly deposits have been collected at Tokai, Ibaraki Prefecture, during the period from October 1978 to March 1980, and were analyzed both on 241Am and 239+24opu also on major surface soil components, Si02 and A1203. Major soil matrices contents in the deposits suggested that 5.1 % of the observed 239+24°Pu deposition was cont...
