In this Aug. 1, 2018 photo, a water tower stands above a residential neighborhood in Horsham, Pa. In Horsham and surrounding towns in eastern Pennsylvania, and at other sites around the United States, the foams once used routinely in firefighting training at military bases contained per-and polyfluoroalkyl substances, or PFAS.
October 19, 2021 | 5:28 AM

Environmental advocates applaud EPA plan to address PFAS, but say more is needed

The agency said the three-year plan would prevent this class of toxic chemicals from being released into the environment and speed up the cleanup process.

By Zoë Read/WHYY