b— C | - I \ 3 mo. qT 7 -E 47 [5 mo. Z —| ~~ t—_ Cc ~ ~ ten o “ a _ = — OE Cf “3“ - _ — a | 5 “4 s 7 4 a D a a “4 - 4 _ =z = - = 4 > - 4 O FL 4 Ww oO 7 Ff 7 _ - 7 Lu Lae — T r = 4 4 L 4 = L O { 0.25 | 0.5 1 O.75 y- ENERGY 1.0 (Mev) Fig. 2 -- Gamma-ray spectra of air borne fission products 116