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In the Spotlight
Materials Management and Remediation Center
A Materials Management and Remediation Center established by EPA verifies the performance of materials management technologies that are designed to provide sustainable solutions to waste and mitigate environmental contamination. The center will assess the performance of technologies used to recycle, recover and reuse beneficial waste materials and minimize disposal requirements. Technologies to remediate contaminated land and ground water at Superfund sites and other hazardous waste properties will also be reviewed. The center is part of the Environmental Technology Verification program in EPA's Office of Research and Development.
Coal Combustion Residue Papers: Two new reports
"Characterization of Coal Combustion Residues from Electric Utilities Using Wet Scrubbers for Multi-Pollutant Control"
This report evaluates changes that may occur to coal-fired power plant air pollution control residues from the use of activated carbon and other enhanced sorbents for reducing air emissions of mercury and evaluates the potential for captured pollutants leaching during the disposal or use of these residues. Leaching of mercury, arsenic, and selenium during land disposal or beneficial use of coal combustion residues (CCRs) is the environmental impact pathway evaluated in this report. Coal combustion residues refer collectively to fly ash and other air pollution control solid residues generated during the combustion of coal collected through the associated air pollution control system. This research is part of an on-going effort by U.S. Environmental Protection Agency (EPA) to use a holistic approach to account for the fate of mercury and other metals in coal throughout the life-cycle stages of CCR management.
http://www.epa.gov/nrmrl/pubs/600r08077/600r08077.htm
"Characterization of Mercury-Enriched Coal Combustion Residues from Electric Utilities Using Enhanced Sorbents for Mercury Control"
This report evaluates leaching characteristics of air pollution control residues from coal-fired power plants that use acid gas scrubbers, which may also reduce air emissions of mercury and other pollutants. Leaching of mercury and other constituents of potential concern (COPCs) during land disposal of coal combustion residues (CCRs) is evaluated in this report. The data presented in this report will be used in a future report to evaluate the fate of mercury and other COPCs from the management of CCRs resulting from the use of multi-pollutant control technologies. This research is part of an ongoing effort by EPA to use a holistic approach to account for the fate of mercury and other metals in coal throughout the life-cycle stages of CCR management including disposal and beneficial use.
http://www.epa.gov/ORD/NRMRL/pubs/600r06008/600r06008.pdf (PDF) (221 pp, 3.81 MB, About PDF)