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Forwarded below is a letter I received last month, and I have
received confirmation from the sender that all probe labs are
eligible to participate in the mentioned round robin, not just
members of the International Association of Geoanalysts which
sponsors it. [Note there is a reference to you sending your G-Probe
account number...I assume this is not critical].
Contact Stephen Wilson if you wish to receive material and participate.
=======================================================================
Date: July 2006
Ref: G-Probe-3
Dear Colleague,
I am pleased to say that the International Association of Geoanalysts
is now ready to lauch round 3 of the G-Probe proficiency testing
programme designed for microbeam laboratories involved in the routine
analysis of silicate minerals. The G-probe-3 sample is a fused
silicated glass prepared by Stephen Wilson, US Geological Survey,
Denver, Colorado, USA.
If you would like to participate in the G-Probe-3 round, the sample
must be claimed from the USGS at any time before the end of October
2006. Laboratories are then requested to mount, polish and analyse
two pieces of the glass and submit results to the organisers by 15th
December 206 in accordance with the instructions that will be sent
out with the sample.
If you would like to participate in G-Probe-3, please request a
sample by sending your FULL POSTAL ADDRESS and G-Probe account number
(see address label) to:
Dr Stephen Wilson, Coordinator, USGS Reference Material Project,
USGS, Box 25046 MS 973, Denver Federal Center, Denver, CO 80225, USA
email [log in to unmask]
Yours sincerely,
Phil Potts
The Open University
Walton Hall
Milton Keynes
UK
MK7 6AA
[log in to unmask]
=======================================================================
--
========================================================
John Fournelle, Ph.D. office: (608) 262-7964 cell: (608) 438-7480
Cameron Electron Microprobe Lab lab: (608) 265-4798
Dept of Geology & Geophysics fax: (608) 262-0693
University of Wisconsin home: (608) 274-2245
1215 West Dayton St. email: [log in to unmask]
Madison, WI 53706 amateur radio: WA3BTA
Personal http://www.geology.wisc.edu/~johnf/
Probe lab http://www.geology.wisc.edu/~johnf/sx51.html
Probe Sign Up Calender:
http://www.microscopy.wisc.edu/cgi-bin/calendar/microprobe/calendar.cgi
"The first rule of all intelligent tinkering is to save every cog and
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