i ‘ i de ne ee ge aen A ee oe et ee RR EE RteEM ea eS a EE em ee oe 5009575 - 20 ORIGINAL SOU RCE SPECTRUM INFINITE PLANE ,3 IN AIR J Q al 3500 TvlOL 340 i oO = LNSD U3d 18 CONFIDENTIAL 200 Pig. 1.2 400 600 | 800 1000 [500 Histogram of Proportion of Total Dose Contributed by Various Energy Regions from the Fallout Radiation