231U A DECAY (4.2 D 1) I(MIN)=0.0010% Radiation Energy Intensity (G-Rad Type (keV) (%) uCi-h) ---------- --------------- ------------ -------- CE- L - 3 3.86 5 0.0010 4 0 CE- M - 1 4.12 10 0.0020 5 0 A 1 5456. 3 0.0017 5 0.0002 A 2 5471. 3 0.0011 3 0.0001 ---------- --------------- ------------ --------