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Limestone Cited as Benefit to Green Concrete

By Mark S. Kuhar

Adding limestone powder to “green” concrete mixtures – those containing substantial amounts of fly ash, a byproduct of coal-burning power plants – can significantly improve performance, according to researchers from the national Institute for Standards and technology (NIST) and the Federal Highway Administration (FHWA).

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EPA Launches Online Tool for EIS Access

The Environmental Protection Agency (EPA) launched an interactive web-based mapping tool that provides the public with access and information on Environmental Impact Statements (EIS) filed with EPA for major projects proposed on federal lands and other proposed federal actions.

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Terra Novo Offers Reclamation Solution

By Mark S. Kuhar

Bakersfield, Calif.-based Terra Novo, a manufacturer of erosion- and sediment-control products, offers EarthGuard Fusion – a solution among a new classification of products known as hydraulic growth medium and mulch (HGM2).

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EPA Proposes Rule to Modernize Clean Water Act Reporting

The U.S. Environmental Protection Agency (EPA) proposed a rule that would modernize Clean Water Act (CWA) reporting processes for hundreds of thousands of municipalities, industries and other facilities by converting to an electronic data reporting system.

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Aggregates Recycling Bill Offered in Canada

On Monday April 22, PC MPP Sylvia Jones (Dufferin-Caledon) introduced a private members bill, bill 56, entitled The Aggregate Recycling Promotion Act. The Bill seeks to promote greater sustainability in the construction industry by allowing for greater use of recycled aggregates in publicly-funded construction projects as a means to preserve this non-renewable resource where possible.

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