RE: RADSAFE digest 2615

["Harmon, Terry O'Devah (ONF) " <onf@bechteljacobs.org>]

Try Mike Murphy of the Nevada Test Site's Radcon Instrumentation shop.  He
works for Bechtel Nevada. I can't remember his phone number, but the RADCON
Field office's number was (702) 295-3515.

> -----Original Message-----
> From:	Mike McKinnon [SMTP:mmckinno.ndep-lv@ndep.carson-city.nv.us]
> Sent:	Thursday, September 02, 1999 12:41 PM
> To:	Multiple recipients of list
> Subject:	Re: RADSAFE digest 2615
> 
> ======== Original Message ========
> A FIDLER (Field Instrument for Detection of Low Energy Radiation) is a
> meter
> developed around 1965 or so by DOE or DOD for detecting activity in the
> environment from Broken Arrow incidents.  I believe it was manufactured by
> Eberline for the agency and had a thin NaI xtal mounted to the window of a
> 6" PM tube.  A single channel analyzer mounted in a portable hand carried
> meter was the readout. The meter operated in count mode.  It was designed
> to
> detect an x-ray of about 100 kev emitted from Pu which was present at
> these
> sites.   I once had a collection of material on this meter but
> unfortunatley
> it went away many moves ago.  Does this jog someone's memory of  this
> really
> neat survey meter.
> Ralph Shuping
> 
> 
> >------------------------------
> >
> >Date: Wed, 01 Sep 1999 23:38:10 +0200
> >From: Franz Schoenhofer <schoenho@via.at>
> >To: radsafe@romulus.ehs.uiuc.edu
> >Subject: Re: FIDLERs and Hot Particles
> >Message-ID: <3.0.5.32.19990901233810.008628d0@pop3.via.at>
> >
> >At 16:33 01.09.1999 -0500, you wrote:
> >>My name is Craig Marianno and I am in the middle of my literature review
> >>for my Ph.D. in RHP at Oregon State University.  My research mainly
> >>revolves around FIDLERs and transuranic "hot particle" detection in the
> >>environment.  Unfortunately, articles on these two topics are difficult
> to
> >>locate and I believe much of the research in this area was completed
> >>around the 60s.  I was wondering if anyone may know of any
> >>articles/ grey papers out there on these subjects.  Any help would be
> >>welcome.
> >>
> >
> >I actually do not know what a FIDLER is, but we have worked during our
> >sampling and measurement campaign on the Mururoa atoll with detection of
> >hot particles (Am-241 associated with plutonium).
> >
> >If this is what you are interested in, please contact me at my private
> >e-mail address and I can give you the source, where you can find details.
> >
> >Best regards,
> >
> >Franz
> >
> >
> >Franz Schoenhofer
> >Habicherg. 31/7
> >A-1160 Vienna
> >Austria
> >Tel.: +43-1-495 53 08
> >Fax.: same number
> >mobile phone: +43-664-338 0 333
> >e-mail: schoenho@via.at
> >
> >Office:
> >Hofrat Dr. Franz Schönhofer
> >Federal Institute for Food Control and Research
> >Department of Radiochemistry
> >Kinderspitalg. 15
> >A-1095 Vienna
> >Austria
> >Tel.: +43-1-40 490 27820
> >e-mail: schoenhofer@baluf.via.at
> >************************************************************************
> >The RADSAFE Frequently Asked Questions list, archives and subscription
> >information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html
> >
> >------------------------------
> >
> >End of RADSAFE Digest 2615
> >**************************
> 
> 
> ************************************************************************
> The RADSAFE Frequently Asked Questions list, archives and subscription
> information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html
> ======== Fwd by: Mike McKinnon ========
> The FIDLER actually detects the 60 keV gamma emitted by Am-241 which is a
> component of weapons-grade plutonium (WGP).  This gamma is the most easily
> detected one at sites containing WGP.
> 
> Mike McKinnon
> mmckinno.ndep-lv@ndep.carson-city.nv.us
> ************************************************************************
> The RADSAFE Frequently Asked Questions list, archives and subscription
> information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html
************************************************************************
The RADSAFE Frequently Asked Questions list, archives and subscription
information can be accessed at http://www.ehs.uiuc.edu/~rad/radsafe.html