Monthly Archives: September 2022

SGS Introduces Adsorbable Organic Fluorine by EPA Method 1621 Draft

We are very pleased to announce the availability of the EPA’s newest PFAS method EPA 1621 Draft: Screening Method for the Determination of Adsorbable Organic Fluorine (AOF) in Aqueous Matrices by Combustion Ion Chromatography (CIC). Our work on Method 1621 continues our long tradition of PFAS excellence and our commitment to helping people measure PFAS […]