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‘Forever chemicals’ found in 76% of Pennsylvania streams sampled

Scientists with the USGS first set out in 2019 to sample 161 waterways as a way of finding potential sources of PFAS contamination from 33 different compounds of the “forever chemicals."

File: Neshaminy Creek is one of the streams that a USGS study released in August 2023 found to contain PFAS, an "forever chemical."
File: Neshaminy Creek is one of the streams that a USGS study released in August 2023 found to contain PFAS, an "forever chemical."Read moreTYGER WILLIAMS / MCT