WOM ght a ef ake eS oe fe v. wre we . MA . te ee . 10° z a 3 a 10" ' 2 Fig. 5.4 ; “s mo. 20 re) DIAMETER IN| MICRONS oo "(200 Aetivity Concentration of pal40 ys particle Size > £ 10-2 “oo a 10-3 19 20 50 OIAMETER IN MICRONS Fig. 5.5 i0o0 200 $00 Activity Concentration of Celt+ ys Particle Sizes 42 SECRET — RESTRICTED DATA .