Re: To Luxel Users

[Dave Derenzo <dave@uic.edu>]

My experience says that it is either 1 or 10, I do not think other options 
are available.

At 10:26 AM 03/27/2000 -0600, you wrote:
>Several commenters on this issue have noted that you can choose a higher value
>than 1 mrem on the Luxel.  So guys!  Don't pick 10 mrem.  It is pretty
>historically-based.  Specify 4, or 5, or 8 mrem.  Wherever your false positive
>rate is low for your system of storage, transits through the mail, etc.
>
>As a NVLAP Assessor for years, that would always be of interest to 
>me  --  where
>the minimum reportable was set and how it was determined.  Quit picking 10 
>out of
>history.  Landauer has jumped out there and said 1 mrem is resolvable.  To 
>me, in
>my opinion, the false positive rate may be too high at some 
>facilities.  That's
>all I'm saying about it.
>
>The minimum reportable at my NPP is much lower than 10 mrem per month or per
>quarter.  And it is well documented and routinely evaluated with the 
>capabilities
>we have; e.g., a report of any positive TLD dose with no RCA entries and a 
>report
>of EPD total vs TLD total.  My previous note on this issue simply supported a
>client's best effort at evaluating her false positive rate.
>
>Mike Lantz
>
>
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Dave Derenzo, RSO (dave@uic.edu)
UIC Radiation Safety Section, M/C 932
Phones: Voice (312) 996-1177  Fax: (312) 996-8776

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