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RE: NIST Traceable Am-241 Alpha Particle Calibration Standards
Yes, there are required standards for calibration sources. There are also
standards for qualified vendors/manufacturers per our QA requirements. I'm
sure the military just doesn't buy alpha sources from Walmart. Do you know
of another quality source manufacturer that is cost-competetive with the
proposed specifications.
glen
glen.vickers@exeloncorp.com
> -----Original Message-----
> From: Joel T. Baumbaugh [SMTP:baumbaug@spawar.navy.mil]
> Sent: Wednesday, December 20, 2000 8:19 AM
> To: Multiple recipients of list
> Subject: RE: NIST Traceable Am-241 Alpha Particle Calibration
> Standards
>
> Glen/Eric,
>
> I read and deleted this message and then later on started
> thinking
> about it.
>
> "IMHO", $700 - $900 for the source below is a rip-off (another
> 4-letter "r" word comes to mind as well). IPL "knows" that they have no
> competition, so they figure they've "got you".... Too bad your
> requirement
> is that it has to be NIST traceable Eric (or does it?) - You can still get
>
> Am-241 sources from smoke detectors - the one in my office says 5 uCi's
> right on the label (a little higher than you want) and would probably cost
>
> $10 at "Wallymart". Yes, I know that you may loose your exemption(s) when
>
> it is removed from the detector, but hey look at the savings...
>
> Just my 2 cents,
>
>
> Joel Baumbaugh (baumbaug@nosc.mil)
> SSC-SD
>
> At 07:41 AM 12/20/00 -0600, you wrote:
> >I recently got a quote from IPL and I believe they make a NIST certified
> >47mm electroplated Am-241 disk in the 700-900 dollar range. I'm not sure
> >you'll do too much better than that. I believe you can get it plated on
> >either a stainless steel or nickel disk. I'm hoping these sources will
> be
> >more durable than some of the "foil" sources I've seen. The 47 mm disk
> is
> >nice because the source will fit in standard cal and portable source
> check
> >jigs typically made for the 47mm beta sources.
> >
> >Try AEA Technologies 781-359-9159, I've recently gotten some quotes for
> some
> >specialized sources I plan to order from them.
> >
> >Glen
> >glen.vickers@exeloncorp.com
> >
> > > -----Original Message-----
> > > From: Erick Lindstrom [SMTP:avrel@gemini.oscs.montana.edu]
> > > Sent: Tuesday, December 19, 2000 5:55 PM
> > > To: Multiple recipients of list
> > > Subject: NIST Traceable Am-241 Alpha Particle Calibration
> Standards
> > >
> > > Radsafers,
> > >
> > > I'm looking for some vendors that supply NIST traceable Am-241 alpha
> > > particle standards (disk or capsule type sources preferably with
> > > activities
> > > of about 0.1 uCi) to be used in the calibration of various instruments
> and
> > >
> > > probes. I'm aware of IPL's sources, however, I'm looking for
> something a
> > > bit more economically feasible.
> > >
> > > Any references would be appreciated.
> > >
> > > Regards,
> > >
> > > -Erick Lindstrom
> > >
> > > Erick Lindstrom
> > > Radiation Safety Officer
> > > Montana State University
> > > 1160 Research Drive
> > > Bozeman, MT 59718-6856
> > > Voice: (406) 582-5477
> > > Fax: (406) 582-5700
> > > e-mail: avrel@montana.edu
> > >
> > > On Campus Communications:
> > >
> > > P.O. Box 170510
> > > Bozeman, MT 59715-0510
> > >
> > > Voice: Ext. 2108
> > >
> > > "Strange as it may seem, no amount of learning can cure stupidity, and
> > > formal education positively fortifies it." - Stephen Vizinczey
> > >
> > >
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that any dissemination, distribution, copying, or action taken in relation
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