{ : Lae bee L = E S z = io! ¢ tk ge é 2 <q tJ 2 a 2 . . Fig. 4 107 © 10° >» E S Q lad Or gTWRE A+ T l T i TTT | 109 | DAYS POST RETURN 12 cea e atiw | . . { cs * 7 ; qi di od 7 oo a : . : oF -_ - “ 7 107 TTY a weet ft Bae NR oth ae be Mean Adult 90,, Urine Activity Concentration History at Rongelap Atoll taeUE AE