$4}; i =[ =~ SHOT 6 0°L.- —| E e ~“ EO": = a a HE _ 5 ts 3 = | ! 4 I 6 i 8 | Le] Lf} aii “> RS a, 3 eo a 3S = SHOT 6 | Belle O-I2Hr A LEUOS = rT PTT 3 , eR E 2 rT Alice O-l2Hr a = ! PPT Cc o> = = & = : a 4 TIME AFTER SHOT (HOURS) & = ———~ Currulative Activity = io ACTIVITY (DISINTEGRATIONS PER MINUTE) EE = ic TIME AFTER SHOT (HOURS) 1 L. Lnn Liisi fa it 4 tf} interval Activity t— TIME AFTER SHOT (HOURS) 4st 5, F = E p— R LUb Ef EAA = a PPEPORT E 0" = t TTT ~ SHOT 4 Love 0-2/3 Hr 5 ~~ ACTIVITY (DISINTEGRATIONS PER MINUTE) a, How 0-12 Hr R ACTIVITY (DISINTEGRATIONS PER MINUTE) LAL ob ttl TUT SHOT 4 Sea 10 | {of 4 6 8 10 TIME. AFTER SHOT (HOURS) | 12 Fige 3 «16 Variation of Beta Activity with Time, Shot 4, How 0-12 hr, Love 0~2/3 br; Shot 6, Alice 0-12 hr, Belle 0-12 hr. 62