EPA is seeking comment on which non-hazardous materials are or are not solid waste under the Resource Conservation and Recovery Act (RCRA). The EPA is seeking comment on a number of specific questions concerning the meaning of "solid waste" under RCRA, as it applies to non-hazardous waste programs. Comments must be received on or before February 2, 2009. Categories and entities potentially affected by this action include: scrap tires, passenger car and trucks, construction of buildings, landscaping services, fossil fuel electric power generation, sewage treatment facilities, automotive repair and replacement shops, and boilers. POC is Michael Galbraith, Office of Solid Waste (5302P), U.S. EPA, Ariel Rios Building, 1200 Pennsylvania Avenue, NW., Washington, DC 20460-0002, telephone (703) 605-0567, e-mail address: galbraith.michael@epa.gov (Federal Register: January 2, 2009 [Proposed Rules], Page 41-61).