Evaluation of per-and polyfluoroalkyl substances (PFAS) detected in private residential drinking water wells located within 1 mile of the Pease International Tradeport : Pease Air Force Base Portsmouth, Newington, and Greenland, New Hampshire : EPA facility ID: NH7570024847
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Evaluation of per-and polyfluoroalkyl substances (PFAS) detected in private residential drinking water wells located within 1 mile of the Pease International Tradeport : Pease Air Force Base Portsmouth, Newington, and Greenland, New Hampshire : EPA facility ID: NH7570024847

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    In April 2015, the U.S. Air Force (USAF) asked the Agency for Toxic Substances and Disease Registry (ATSDR) to evaluate per- and polyfluoroalkyl substances (PFAS) exposure in the private drinking water wells near Pease International Tradeport in Portsmouth, New Hampshire (NH). The source of PFAS is believed to be firefighting foam (aqueous film-forming foam: AFFF) used on the former Pease Air Force Base (AFB). Chemicals from the foam likely traveled from Pease AFB, now Pease International Tradeport, through soil and water to nearby private wells supplying residential drinking water.

    Perfluorooctanoic acid (PFOA), perfluorooctanesulfonic acid (PFOS), and perfluorohexanesulfonic acid (PFHxS) are three forms of PFAS that were detected in several of the private wells tested. Scientific information suggests an association between PFOA, PFOS, and PFHxS exposures and various health endpoints, including effects on cholesterol (not PFHxS), immune responses, fetal growth and development, endocrine systems (e.g., thyroid), and the liver. Several other PFAS were detected in the water, some of which have may have similar health effects as PFOA and PFOS.

    This report reviews data from June 2014 through June 2020 for 42 private wells near the Pease International Tradeport. If any other private drinking water wells are identified in the PFAS exposure area, the USAF will include them in future sampling and assessment efforts. The USAF used “RES” followed by the well number to identify the wells sampled around Pease. ATSDR used the same designations in the health consultation to avoid confusion.

    On April 30, 2020, ATSDR released this health consultation report for public comment. The comment period ended on July 30, 2020. ATSDR received 65 comments from individuals, government agencies, and a corporation during the public comment period. Appendix C provides responses to the comments received.

    PeaseAFB-HC-508.pdf

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