14a 0S CSWVYSOMDIN) IDON SSYN TvW1LOL 104 PF 10 5 15 ACTIVITY/SQFT (2108 WELL C/M AT H+12 HR) Figure 3.30 NaCl mass versus activity per square foot, Shot Flathead. 100 200 300 400 500 600 700 20 Figure 3.31 Radioautograph of slurryparticle trace and reaction area.