Mastering PFAS Detection: Effective Analytical Techniques for Semiconductor Wastewater at Oregon State University

A new paper from Oregon State University discusses how to choose the right tests for examining PFAS—substances often found in semiconductor manufacturing wastewater.

PFAS, or per- and polyfluoroalkyl substances, are complex chemicals with unique structures and properties. These traits are essential when selecting analytical methods. The researchers break down how different PFAS behave, which helps in picking the best testing approach. They provide various tables outlining the types of PFAS and guidance for method selection.

In addition to analyzing specific PFAS, the paper also discusses overall strategies for handling samples, including collection and storage. It compares methods recommended by the U.S. Environmental Protection Agency and the American Society for Testing and Materials.

A key point raised by experts is the growing concern around PFAS due to their environmental persistence. A study by the Environmental Working Group (EWG) found that these substances can contaminate drinking water supplies, impacting millions in the U.S. This highlights the urgency of developing effective testing methodologies.

For anyone interested in the technical details, the full paper can be accessed here.

The ongoing research on PFAS reflects a broader trend in environmental science. As we learn more, we see how these substances pose risks to health and the environment. Understanding how to analyze them effectively is crucial for both industry and public safety.

Published June 2025 by Droz, Boris, Christopher G. Heron, Mitchell L. Kim-Fu, Patrick N. Reardon, Mireia Roig-Paul, and Jennifer A. Field in ACS Measurement Science Au.

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