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2021 Proficiency Test
(PT) on Xylenes (mixed-) started
The letter of instructions can be downloaded here as a pdf document. To download a document, please click the right mouse button and choose the "save as" option.
Please download the instructions for the PT iis21C13 here: the letter of instructions
Summary of this proficiency test:
On 8 September the proficiency test on Xylenes (mixed-) started with 29 participants from
17 different countries. On that date, the samples were dispatched to the laboratories. Enclosed to the sample is the material safety data sheet (MSDS).
Please confirm sample receipt as soon as you have received and checked the contents of the sample package via
www.kpmd.co.uk/sgs-iis/. Please enter the date of receipt and press the "save date" button.
The samples can be analyzed
on: Benzene, Toluene,
p-,m-,o- Xylenes, Ethylbenzene, Cumene, Sum of m- and p-Xylene, Non aromatics, Sum of C9 and heavier aromatics.
The deadline for reporting results is set on 15 October 2021.
A laboratory that reports test results after the deadline will definitely not get direct feedback in case any of its results are suspect! So be in good time to get the most out of this proficiency test.
The test results should be reported via our internet based results reporting platform www.kpmd.co.uk/sgs-iis/.
A login and a password can be requested via email to firstname.lastname@example.org