PFAS Meeting Book MYM 2023

Quantitation of branched isomers

Why?  historical production of PFAS using electrochemial fluorination yielded in

 70-80% L-PFOS  80-85% L-PFOA  ~ 95% L-PFHxS  remaining products are branched isomers  contribution to contamination of food is not negligible

 current version of Guidance Document focuses on PFOS, only  contribution of branched isomers highest for PFOS  PFOS is main compoundin food

AOAC Midyear Meeting - Overview of EURL PFAS Guidance Document

16.03.2023

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