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Cleanups at Federal Facilities

Technical Fact Sheet – Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA)

This fact sheet provides a summary of two contaminants of emerging concern, perfluorooctane sulfonate (PFOS) and perfluorooctanoic acid (PFOA), including physical and chemical properties; environmental and health impacts; existing federal and state guidelines; detection and treatment methods; and additional sources of information.

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Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA) (PDF)(8 pp, 171 K, November 2017, EPA 505-F-17-001)
Perfluorooctane Sulfonate (PFOS) and Perfluorooctanoic Acid (PFOA)