Proficiency Tests
The world wide open proficiency test IAEA-CU-2009-03
on the determination of natural and artificial radionuclides in moss-soil and spiked water
Target group : Laboratories interested in the analysis of natural and artificial radionuclides
Matrices : Moss mixed with soil and spiked water.
Samples : Participants will receive one moss-soil sample (100 grams) and 3 spiked water sample 500 ml each.
Analytes (tentative)
For gamma emitting radionuclides the design of the proficiency test will be such that the participants will be asked to analyse the moss-soil and water samples for the following radionuclides:
K-40, Co-60, Zn-65, Cs-134, Cs-137, Cd-109, Ba-133, Ce-144, Eu-155, Pb-210, Ra-226, Ac-228, Th-234 and Am-241.
It
should be noted that only some of the listed radionuclides will be
present in the samples. The levels of the radionuclides are such that
they can be measured within a 12 hour measurement period using a
conventional HPGe gamma spectrometer of 35% relative efficiency.
For radiochemical analysis the participants will be asked to analyse the moss-soil sample only for the following radionuclides
Sr-90, Po-210, Th-232, U-234, U-238, Pu-238, Pu-239+240 and Am-241.
Activity level : Below 1000 Bq kg-1 for each of the radionuclides in moss-soil and below 100 Bq kg-1 total activity for spiked water.
Target dates (tentative)
15 June 2009 Opening date for on-line applications, CLICK here to apply
31 July 2009
Closing date for on-line applications
1 September 2009 Organiser confirmation of the participation in the PT
15 October 2009 Shipment of the samples
15 February 2010 Results submission deadline
15 March 2010 Individual evaluation
reports
October 2010 Summary report
February 2011
Participants meeting for presenting the PTsummary report
For more information contact the PT Officer Mr. Abdulghani Shakhashiro at: ashakhashiro@iaea.org
Last updated 09 June 2009
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