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Health department reports new PFAS detections; MassDEP treating two Wells/locations as imminent‑hazard sites and expanding sampling
Summary
Andrew Shapiro told the board that MassDEP and town testing identified new PFAS detections near Hammock Pond/Burnt Swamp, including two values MassDEP is treating as imminent hazards, and that the agency will continue sampling with town support.
Andrew Shapiro, the town’s environmental contamination administrator, updated the Board of Health on PFAS sampling and investigations at the board’s July 17 meeting, reporting new detections above state guidance and an expanding investigation by the Massachusetts Department of Environmental Protection (MassDEP).
What was reported
- MassDEP resampling and the town’s follow‑up detected two values the agency is treating as imminent‑hazard detections near the Hammock Pond / Burnt Swamp area: 171 parts per trillion (ppt) at Oak Hollow Lane and 87 ppt at Hammock Pond Road (the latter just under MassDEP’s imminent‑hazard threshold of 90 ppt but treated as imminent by DEP because of the local pattern). - One sample exceeded the…
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