ie is noted that urine activity concentrations for 239 Pu corresponding to
5 Rem in 30 years to bone surtaces and liver tissue are 9.3 and !.3 femtocuries
per liter raspectively.
Isiands,
Thus for radiation protection purposes in the Marshail
large volume samples are required in order for this method to have srac-
tical application.
This procedure has an overall chemical recovery of 50-80%.
16