RE: IPM7/8 response checks.

[James.P.Revels@ucm.com]

Well, trends really should not be a factor in determining what nuclide is
used for calibration or source check. It should be 
based on your plant mix. We use a nuclide which best represents our average
beta energy.Co-60 is used for calibration and 
Tc-99 for source check.

> -----Original Message-----
> From:	Dieter Geduld [SMTP:Dieter.Geduld@eskom.co.za]
> Sent:	Friday, October 23, 1998 9:50 AM
> To:	Multiple recipients of list
> Subject:	IPM7/8 response checks.
> 
> 
> If anyone could assist me on this one. Does anyone use the IPM8 (NE)
> personnel monitors at the exits of there controlled zones in nuclear
> power plants. If so,  what sort of source response check is performed
> on them? Is it Co-60, Cs-137 or Cl-36? or some other nuclide (Eu-152?
> , Tc-99?).
> Currently we are using Cl-36 to source response check ours. 
> What are the current trends at stations in the US? 
> 
> Please email me privately.
> Thanks in anticipation.
> Dieter
> 
> email: Dieter.Geduld@eskom.co.za
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