o. URINE ACTIVITY CONCENTRATION, pCi r' «i = 199 - 5 4 a “ ‘ 104 ! pe tt 10° ao L414 DAYS POST RETURN 1 I i 104 | ’ Mean Adult 90,5 Urine Activity Concentration History at Rongelap Acoll 3 See wer oe Fig. 4 1 12 ‘FCB OES . Cael POUR ee. omit + . at “Ben. re. «