RE: Biological half-life

["McCormick, Luke I NWD02" <g6hxxlim@nwd02.usace.army.mil>]

Actinium Biological Fate
45% to Bone
45% to Liver
0.03% to Testes
0.01% to Ovaries
The rest excreted
B-1/2 Bone = 100 yrs
B-1/2 Liver = 40 years
B-1/2 gonads indefinitely
reference DoseFact Internal
regards,
Luke McCormick
CENWO-HX-H
-----Original Message-----
From: Dan Burnfield [mailto:Danb@DNFSB.gov]
Sent: Thursday, August 03, 2000 10:10 AM
To: Multiple recipients of list
Subject: Biological half-life


Does anyone know the biological half-life of Ac-227?


Dan Burnfield, CHP PE

Defense Nuclear Facilities Safety Board
625 Indiana Ave, NW Ste. 700
Washington, DC  20004

Tel:  202.694.7113
Fax: 202.208.6518
Email danb@dnfsb.gov
 

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