il ° ° MEAN DAILY ACTIVITY INGESTION RATE , nci a7! y7 MARDTACK PHASE I H (DAYS 300-404) - | 655, | La I37e, }o dod 2000 4000 6000 8000 10000 _ DAYS POST RETURN BEGINNING JUNE 1957 Fig. 14 Adult Meay Daily Activity Ingestion Rate For Cs and ~°Zn at Rongelap Referenced to Mid-1957 27