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Airport continues PFAS monitoring - The Martha's Vineyard Times

The Martha's Vineyard Times Martha’s Vineyard Airport is working with environmental firm Tetra Tech to monitor and mitigate PFAS pollution caused by aircraft firefighting foams. The Martha’s Vineyard Airport Commission is continuing to work with consulting and engineering firm, Tetra Tech, to monitor private wells for per- and poly-fluoralalkyl substances (PFAS), and treat them with filtration systems if the compounds are found at higher concentrations above 20 parts per trillion (PPT). Environmental engineer for Tetra Tech, Ron Myrick, said at Thursday’s commission meeting that for the past three years, his company has periodically tested private wells and sample wells dug specifically for monitoring PFAS as it spreads with groundwater flow. Activated charcoal filtration systems have also been installed at private wells with higher levels of PFAS.

MVRHS field hearing focuses on PFAS - The Martha's Vineyard Times

Toxicology tests offer 'more questions than answers' - The Martha's Vineyard Times

The Martha's Vineyard Times Toxicology tests offer ‘more questions than answers’ Synthetic field tests show negligible amounts of heavy metals and semi volatile compounds; emergent nature of PFAS adds to uncertainty. The Martha’s Vineyard Commission hears from toxicologists and environmental consultants during the third public hearing on the MVRHS proposed athletic field project. Brian Massa of Horsley Witten is shown in the picture. The Martha’s Vineyard Commission Thursday night heard from various experts on the toxicology reports compiled by two environmental consulting firms — Tetra Tech and Horsley Witten.  At the third development of regional impact (DRI) public hearing for the proposed Martha’s Vineyard Regional High School athletic field project, independent consultants from Tetra Tech and Horsley Witten went over the testing process, and dove into how the results were analyzed.