Re: A "dirty bomb" question

["Syd Levine \(AnaLog\)" <AnaLog@logwell.com>]

True, but it also puts out a 59.5 meV gamma, and I think a 14 meV gamma as

well.  The 59.5 meV gamma is handy for setting the discrimination circuit in

gross count scintillation gamma ray oil well logging tools.



Syd H. Levine

AnaLog Services, Inc.

Phone:  270-276-5671

Telefax:  270-276-5588

E-mail:  analog@logwell.com

URL:  www.logwell.com



----- Original Message ----- 

From: "Thomas M Lashley" <lashleyt@DTEENERGY.COM>

To: "Richard L. Hess" <lists@richardhess.com>

Cc: <radsafe@list.vanderbilt.edu>

Sent: Tuesday, October 28, 2003 6:29 AM

Subject: Re: A "dirty bomb" question





> I thought ionization smoke detectors used an alpha source like

americium-241.

>

> Tom Lashley

> mailto:LashleyT@DTEenergy.com

>

> "Richard L. Hess" wrote:

>

> > I don't know about this smoke detector thing. I have two models of smoke

> > detectors in my house--both must be photoelectric--because my CDV-700

> > didn't click more near them (with the beta shield open) than away from

them

> > and it seems to be working and reasonably calibrated based on the

uranium

> > check source on the side.

> >

> > Cheers,

> >

> > Richard

> >

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>

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>





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