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What remains in our soil

PFAS fireside chats

Chris Higgins saw big differences in how quickly PFAS from firefighting foams move through water-saturated soils. He and Craig Butt discuss what this might mean for contaminated areas over time.

11/28/2022 | Chris Higgins and Craig Butt

The spray application of complex firefighting foams can contaminate nearby soil with a variety of PFAS. How do they behave in the soil? And how quickly do they move into surface and ground water? Chris Higgins and his team found that the compounds move at different rates, with the potential to stick around and transform before release.

  • “If they are transformed in the groundwater or down gradient, that would lead to a continuous source of these compounds to groundwater.”

    Chris Higgins

Craig Butt, PhD

Senior Staff Scientist, Food/Environmental, Global Technical Marketing
SCIEX

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Christopher Higgins, PhD

University Distinguished Professor 
Colorado School of Mines

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