Officials from ready mixed concrete, precast concrete, and coal ash marketing groups will review added costs, diminished sales prospects, and negative product perceptions ASTM C618-grade fly ash users could confront with the Environmental Protection Agency’s proposed rule, “Identification and Listing of Special Wastes; Disposal of Coal Combustion Residuals From Electric Utilities.” Speakers will especially address the stigma fly ash could carry in the event EPA classifies coal combustion residuals under Resource Conservation and Recovery Act Subtitle C, and suggest a