physiological transport of plutonium. The reported levels in urine would account for as much as 20% of the If, however, previously estimated. This is a fraction that is much higher than believed possible. This would indi- cate that smaller body burdens would be expected from intake of plutonium. the estimated annual -16- CS io 73h New York are urine concentrations for inated correct, then plutonium is elim more rapidly through the urine than total estimated annual intake of plutonium. rted intake of plutonium and the repo