Proficiency Test on Phosphorus Flame Retardants in Polymers started

The letter of instruction can be downloaded here as Word document. To download a document, please click the right mouse button and choose the "save as" option.

Download the instuctions for iis16P01 here: the letter of instructions and the report form.

Summary of this proficiency test:

On 21 January 2016 the proficiency test on  Phosphorus Flame Retardants in Polymers  started with 33 participants from 16 different countries.

On that date, the samples were dispatched to the laboratories. Enclosed to the samples were the instructions to the participants for this proficiency test.

The samples can be analyzed on TCEP, TDCPP and TCPP.

The deadline for reporting results is set on 26 February 2016. A laboratory that reports test results after 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. A login and a password can be requested via email to