EPA to review 2015 coal ash final rule

September 22nd, 2017

On Sept. 14, 2017, the United States Environmental Protection Agency (EPA) granted two petitions to reconsider substantive provisions of the Final Rule regulating coal combustion residuals (CCR) as nonhazardous waste under Subtitle D of the Resource Conservation and Recovery Act (RCRA). “In light of EPA’s new statutory authority, it is important that we give the […]

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EPA releases interim final guidance on state CCR permit programs for comment

August 16th, 2017

The U.S. Environmental Protection Agency (EPA) has made public an interim final guidance outlining the process and procedures EPA generally intends to use to review and make determinations on state coal combustion residual (CCR) permit programs This document provides guidance to the states for developing and submitting a program to EPA for approval. The guidance […]

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Part 1: The regulation of CCR in the United States: Geosynthetics and barriers

August 1st, 2017

The regulation of coal ash (coal combustion residuals or CCR) has significantly expanded the market for geosynthetics within the United States. Further, there is interest in these regulations around the globe in every country using coal as an energy source. These regulations are the result of recent environmental incidents. The regulations call for the increased […]

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Editorial: The management of coal combustion residuals (CCR)

August 1st, 2017

The management of coal combustion residuals (CCR or “coal ash”) is a growth category for the geosynthetics industry. Multiple opportunities now exist using various types of geosynthetics due to the evolving federal and state regulations for handling CCR. In fact, geosynthetics have played a role in the regulations that have developed. “These regulations have been […]

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Using geosynthetics for macroencapsulation for CCR on-site clean closure

August 1st, 2017

Coal combustion residuals (CCR) have been used for many years in the construction of berms and engineered structural fill applications, including embankments for highways, dikes, and levees. However, large, unencapsulated structural fill projects have become a focus of environmental concerns due to potential leaching of metals and structural failures. Cap-in-place of CCR surface impoundments is […]

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WOCA issues WOCA Awards and makes 2017 papers available

July 25th, 2017

The World of Coal Ash (WOCA) conference announced the 2017 WOCA Awards and the availability of the white papers from the 2017 conference, which was held May 8–11 in Lexington, Ky. WOCA is organized by the American Coal Ash Association and the University of Kentucky Center for Applied Energy Research. WOCA awarded the Barton A. […]

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