Impacts of the oil and gas industry's use of PFAS in Pennsylvania
An investigation details where and why the "forever" chemicals have been used, and what that means for residents
The oil and gas industry has been using "forever chemicals" in both conventional and fracking wells for decades, often without disclosing their use to regulators or the public.
In 2022, EHN reporter Kristina Marusic conducted an award-winning investigation into how and where these chemicals have been used in Pennsylvania and their potential impacts.
Here are the stories from that investigation:
Part 4:How Colorado is preventing PFAS contamination from the oil and gas industry (And how other states, including Pennsylvania, could do the same)