On September 14, EPA, issued a Request for Information to help the Agency decide whether to revise or supplement its “Test Methods for Evaluating Solid Waste” under RCRA, commonly known by its EPA publication number, “SW-846.” The RFI highlights a few specific topics on which EPA is seeking comment from industry, researchers, academia, non-governmental organizations, and government entities at the federal, state, and local levels. This alert discusses each topic .