ee ee Pod diite ss mat bie pone! CT ie Fortes ate dot iy 4 Cd é yTHARDTACK PHASE I IH (DAYS 300-404) ‘Br 4 Oo oO 141 f ° MEAN DAILY ACTIVITY INGESTION RATE , Ci 7! eR dai. rth 4d LL 2000 4000 6000 8000 10000 DAYS POST RETURN BEGINNING JUNE 1957 Adult Megn Daily petivity Ingestion Rate For Cs and °°2n at Rongelap Referenced to Mid-1957 27