The work reported here was funded by Washington River Protection Solutions (WRPS). Dave Swanberg with WRPS led the effort and provided both programmatic guidance and technical input to the project team. These screening tests were very laboratory intensive. At Pacific Northwest National Laboratory (PNNL), Ben Williams was instrumental in preparing the Cast Stone specimens and conducting the leach tests. Don Rinehart prepared the simulants. Keith Geiszler, Steve Baum, Igor Kutnyakov, Christian Iovin, and Dennesse Smith analyzed the many samples. Stan Pitman, Mike Dahl, and Karl Mattlin conducted the compressive strength measurements. At Savannah River National Laboratory (SRNL), Vickie Williams was the cornerstone of the preparation and measurement of the Cast Stone fresh properties, Kim Wyszynski and Vickie Williams prepared the simulants, and David Best, Whitney Riley, and Beverly Wall performed the analyses. John Harris with LaFarge graciously provided the dry blend ingredients sourced from the northwest.

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Maura Zimmerschied provided real value with her editorial review and assistance in putting together the early drafts of the document for review. v Acronyms and Abbreviations AFm alumina, ferric oxide, monosulfate or calcium monosulfoaluminate AFt alumina, ferric oxide, trisulfate ASTM ASTM International, consensus standards organization, West Conshohocken, Pennsylvania (www.astm.org) BFS blast furnace slag CAH calcium aluminate hydrate CASH calcium aluminate silicate hydrate CSH calcium silicate hydrate