Crowell & Moring LLP are most popular: within Compliance topic(s) Key takeaway #1 EPA has withdrawn its 2024 proposed rule expanding the RCRA definition of “hazardous waste” for corrective action purposes but has not withdrawn its companion proposal to list nine PFAS as RCRA hazardous constituents. Key takeaway #2 Over 1,700 facilities may be subject to additional corrective action if the PFAS listing rule is finalized.