TABLE N.12 #2 PLUTONIUM-239: FRACTION OF ORAL DAILY INTAKE EXCRETED IN URINE 9/>/ It is assumed that the daily intake is constant over the period specified. Duration of exposure Fi = .001 {absorbed from gut]. Jones Moss (new) (014) (years) v §.42 x 10-3 x 10-8 6.2 x 10-5 10 8.61 x 10-% 1.71 x 10-4 20 1.31 x 10-4 2.3 x 10-4 29 1.67 x 10-4 2.92 x 10-4 1 3.62 5 -- a/ The table's data were supplied by Dr. E. ?. Lessard of the Brookhaven National Laboratory. I have used the Moss factors (Moss, 1988). b/ The intake can be calculated by dividing the urinary excretion by the factors given. For example, after 20 years of intake, the daily excretion is found to be 3 x 10-3 picocuries. Then the intake is: (3 x 10-8)/ 2.3 x 10-4 @ .13 picocuries/day. 9000b8b