Re: values for exemption of sealed Radioactive sources

["Steven D Rima" <SDRIMA@sandia.gov>]

     Kathleen (and others)
     
     Acording to the DOE Implementation Guide for sealed source 
     accountability and control, the values were "...selected to yield a 
     committed effective dose equivalent of 10 mrem or less for a credible 
     incident involving a member of the general public. Even though the 
     probability is small, it was assumed that the sealed radioactive 
     source was lost off-site and located in the private residence of a 
     member of the general public." Both intake and external exposure was 
     considered.
     
     For more detailed information on how this calculation was done, and 
     the assumptions used, see the applicable Implementation Guide.
     
     Steven D. Rima, CHP
     sdrima@sandia.gov
     


______________________________ Reply Separator _________________________________
Subject: values for exemption of sealed Radioactive sources
Author:  mcintyre@mail.sep.bnl.gov at hubsmtp
Date:    7/2/96 9:25 AM


Does ANYONE know how the exemption values for sealed sources were derived
for DOE N 441.1, Attachment 1?  What is the technical basis for the values?!?
     
We're trying to construct a table to list isoptopes not specified in the 
attachment...unfortunately, our numbers don't jive when comparing our 
calculated values to those of 441.1
     
     
Thanks in advance,
     
Kathleen McIntyre
Brookhaven Nat'l Lab
129B
Upton, NY 11973-5000
     
516-344-5868
     
     
mcintyre@bnl.gov