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2024 Proficiency Test (PT) on Per- and Polyfluoroalkyl Substances (PFAS) in Textile 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 iis24T32 here: the letter of instructions and the report form here



Summary of this proficiency test:


On 14 February 2024 the proficiency test on AP & APEO in Textile started with 47 participants from 16 different countries. On that date, the samples were dispatched to the laboratories.

Please confirm sample receipt as soon as you have received and checked the contents of the sample package via Please enter the date of receipt and press the "save date" button.


The samples can be analyzed on: PFOA, PFOS, PFNA, PFDA, PFBS, PFODA, PFDoA and other Per & Polyfluoroalkyl Substances (PFAS).


The deadline for reporting results is set on 22 March 2024. 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 A login and a password can be requested via email to





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