( May 22, 2025, 12:02 PM EDT) -- DENVER — A report issued by Physicians for Social Responsibility in Colorado, in cooperation with Colorado Sierra Club and FracTracker Alliance, has found that hydraulic fracturing operators’ compliance with a 2022 state law requiring the disclosure of chemicals used in fracking is “woefully inadequate,” and as a result it is unclear whether companies are still using per- and polyfluoroalkyl substances (PFAS)....