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Description: Fly ash from coal-burning power plants has been used extensively as a pozzolan and fine filler in concrete for many years. The recent focus on environmental issues has led to questions involving the safety implications of this practice, specifically, whether metals in the fly ash can leach out of the concrete and cause potential pollution to soils and waterways. A literature search was conducted to identify research literature that addresses leachability characteristics. Online resources included Compendex, Scopus, ACI Abstracts, and other databases, as well as various PCA Library resources. This 14-page annotated bibliography lists journal articles, conference papers, reports, and other publications.
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