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ASTM WK98216
Interlaboratory Study of ASTM D8421 - Standard Test Method for Determination of Per- and Polyfluoroalkyl Substances (PFAS) in Aqueous Matrices by Co-solvation followed by Liquid Chromatography Tandem Mass Spectrometry (LC/ MS/MS) for Liquid Biosolids/Biosolids
Date Initiated: 02-23-2026
Technical Contact: Lawrence Zintek