Per- and polyfluoroalkyl substances

The Social Discovery of a Class of Emerging Contaminants

Sanford/York County, Maine

Suspected contamination source: Unknown, but potentially from AFFF used at Sanford Seacoast Regional Airport that was previously Naval Auxiliary Air Facility Sanford

The maximum PFOS level detected was 290 ppt*. PFHxS was also detected at 110 ppt.

*The EPA lifetime health advisory for PFOA and PFOS is 70ppt

Full citations are available on the second page of the full contamination site tracker. We ask for your additions, changes, questions and comments to be sent to pfasproject@gmail.com.

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