Court Revives PIP (3:1) Rule Challenge As EPA Enforcement Deadline Looms

Industry groups are preparing to resume their long-paused challenge to a Trump-era TSCA rule banning many uses of the flame retardant phenol, isopropylated phosphate (3:1), or PIP (3:1), just weeks before EPA’s enforcement stay is due to expire, and as the agency is preparing to overhaul the policy itself. In an Oct. 17 order, the U.S. Court of Appeals for the District of Columbia Circuit formally lifted its stay on Air-Conditioning, Heating, and Refrigeration Institute et al. v. EPA...