' ol 5 = = Lee i th. T TS SHOT 3 =a Ee Fox O-i2Hr = g o'L. een 107 EE : - = a a =r od — — : = E te Oi cE Ja 3S 47 @EF EE > E ol = = : TIME AFTER SHOT (HOURS) ACTIVITY (DISINTEGRATIONS PER MINUTE) \ o'L \ | XN en L~ 07 [= = SHOT 3 _ Uncle 1-24 Min. | Be we S 2 — o —_ Sean oe . ETT \ wy) 10” z — = I ~~ _ _ _ _ SF 10? = = 3 & 10" b= GH - | E = 2€£ — = = | = ‘ SN Ne CF ~ — er = 0° 0 o SHOT 3 Uncle O-12 Hr RK W = 4 do E 5 = = | TIME AFTER SHOT (HOURS) 10% S ve SHOT 3 George O-2Hr 1 EF rave y = I ar T 10° aS = im Se ee | 8 (2 16 2 24 TIME AFTER SHOT (MINUTES) pet 4 2 tt 6 8 Le) 2 TIME AFTER SHOT (HOURS) 4 Fige 3.13 Variation of Beta Activity with Time, Shot 3 Fox 0-12 hr, George 0-2 hr, Uncle 1-24 min, Uncle 0-12 hre 39 Lit ' ft Pati PL T Le tetiii E_ T {1 Viti 5 Ee