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Per- and Polyfluoroalkyl Substances (PFAS) results for varying industries, 2021-2022

Published by U.S. Geological Survey | Department of the Interior | Metadata Last Checked: September 04, 2025 | Last Modified: 20250709
Samples were collected for a comparison method development study with the University of Minnesota and the U.S. Geological Survey (USGS) National Water Quality Laboratory (NWQL) in Lakewood, Colorado. Widely used liquid chromatography-tandem mass spectrometry (LC-MS/MS) methods fail to capture large fractions of total organofluorine in environmental samples confounding the assessment and remediation of fluorinated pollution. Fluorine nuclear magnetic resonance (19F-NMR) is an inclusive method for organofluorine analysis that preserves chemical information about chemical compound classes of organofluorine.

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