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Shawn A. Seaman September 27, 2010

http://www.sefagroup.com. http://www.Mirant.com. Shawn A. Seaman September 27, 2010. Current CCB Regulations Federal (EPA): Exempt from RCRA Subtitle C Categorized as " special waste " State (MDE): Disposal / Mine Reclamation: Transportation / Beneficial Use (Proposed).

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Shawn A. Seaman September 27, 2010

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  1. http://www.sefagroup.com http://www.Mirant.com Shawn A. Seaman September 27, 2010

  2. Current CCB Regulations • Federal (EPA): • Exempt from RCRA Subtitle C • Categorized as "special waste" • State (MDE): • Disposal / Mine Reclamation: • Transportation / Beneficial Use (Proposed)

  3. EPA’s Proposed Coal Combustion Residual (CCR) Rule • Published: June 21, 2010 in Federal Register • Public Comment Period: Open until November 19, 2010 • Final Rule Timeline: Not yet established • Beneficial uses of CCRs in encapsulated form (concrete, wallboard, etc.) are encouraged and exempted • Three regulatory options proposed: • Subtitle C – Hazardous Waste • Subtitle D – Non-hazardous Waste • Subtitle D’

  4. Morgantown Ash Beneficiation/STAR Project - Thermal process / burns residual carbon • Makes ash suitable as a mineral admixture for beneficial reuse in concrete manufacturing • 360,000 tpy (Morgantown & Chalk Point) • Baghouse & FGD • Potential impacts • Increased air emissions • Increased truck traffic • Additional vapor plume due to the new FGD Fly Ash (http://acaa.affiniscape.com) Morgantown (http://www.Mirant.com)

  5. Morgantown STAR Project Status (PSC Case No. 9229) • CPCN application submitted to PSC in March 2010, amended July 2010 • PPRP currently working with State Agencies on ERD and development of recommended licensing conditions • Next steps: • State’s Direct Testimony due October 28, 2010 • PSC hearings in November 2010

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