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Canadians Test Co2 Capture Via Concrete Block Curing

Researchers at Montreal’s McGill University are gauging the feasibility of curing concrete masonry units with carbon dioxide, which can react with cement to form a hybrid microstructure of calcium carbonate and calcium silicate hydrate, the main binding product of hydrated powder

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Crest Precast Stresses Summer School Science

In a plant visit hosted by Crest Precast, students of a LaCrosse, Wis., school district observed hoist pulleys, wire mesh benders, and band-saws in operation

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Epa Sets Public Hearings For Proposed Coal Ash Designation, Disposal Rule

The EPA Office of Resource Conservation and Recovery is accepting speaker preregistration for public hearings on its proposed “Identification and Listing of Special Waste: Disposal of Coal Combustion Residuals from Electric Utilities” rule, whose contentious provisions have drawn sharp criticism from fly ash marketers and users

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Nrmca Tells Lawmakers Of Epa-Proposed Coal Ash Designation Pitfalls

Testifying July 22 on Capitol Hill, NRMCA President Robert Garbini noted that a potential Environmental Protection Agency plan to classify coal ash as a hazardous waste would exert a significant economic toll on producers nationwide, especially small operators, and make beneficial use of ASTM C618 material in concrete more onerous

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