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Impact of the 235U Series on Doses from Intakes of Natural Uranium and Decay Progeny

Lowe Leo M.
Health Physics: October 1997
Notes: PDF Only

The doses from 235U series radionuclides have often been ignored in dose assessments involving natural uranium and progeny. This is due to the relatively low abundance of 235U in natural uranium (less than 5% on an activity basis). However, inclusion of the 235U series radionuclides, especially 227Ac and 231Pa, in dose calculations can have a substantial impact on estimated inhalation doses.

©1997Health Physics Society