Brian Shedd, a geologist with the Baltimore District of the U.S. Army Corps of Engineers, uses a scale model of an aquifer to test the flow of contaminants through soil and groundwater. (Timothy B. Wheeler)

To aid cleanup efforts, study looks at how toxic PFAS move through soil

Found in everything from plastic to fire-fighting foam, complex chemicals linked to multiple health risks By: Timothy Wheeler, BayJournal.com Brian

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