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Home My WebLink About90 Day Ext for CAP_20151009%DUKE ENERGY, October 9, 2015 Mr. Tom Reeder Assistant Secretary for the Environment North Carolina Department of Environmental Quality 1601 Mail Service Center Raleigh, North Carolina 27699-1601 Subject: 90 Day Extension for Corrective Action Plans Dear Assistant Secretary Reeder: Harry K. Sideris Senior Vice -President Environmental, Health & Safety 526 South Church Street: Mail Code ECUP Charlotte, North Carolina 28202 704-382-4303 Duke Energy is requesting a 90 day extension for submittal of the final Groundwater Corrective Action Plans per Section 130A-309.209(b)(1) of the Coal Ash Management Act of 2014. This extension request was discussed with NCDEQ technical staff on September 23 and with NCDEQ management on October 2. It is Duke Energy's understanding based on these discussions that NCDEQ would like to divide the CAP scope into two parts with the first part submitted on the original due dates and the second part submitted 90 days later. The following due dates are our understanding based on these discussions: Plant Name CAP Part I Due Date CAP Part 2 Due Date Weatherspoon Power Plant November 3, 2015 February 1, 2016 HF Lee Energy Complex November 3, 2015 February 1, 2016 L.V. Sutton Energy Complex November 3, 2015 February 1, 2016 Dan River Steam Station November 12, 2015 February 10, 2016 Rogers Energy Complex Riverbend Steam Station November 16, 2015 February 14, 2016 February 14, 2016 February 19, 2016 February 19, 2016 February 19, 2016 November 16, 2015 November 21, 2015 November 21, 2015 Allen Steam Station Buck Steam Station Asheville Steam Electric Plant Cape Fear Plant Mayo Steam Electric Power _ Plant November 21, 2015 December 1, 2015 February 29, 2016 December 1, 2015 December 1, 2015 February 29, 2016 Roxboro Steam Electric Plant February 29, 2016 Marshall Steam Station — December 7, 2015 March 6, 2016 Belews Creek Steam Stati=—December 8, 2015 March 7, 2016 Duke Energy proposes that the Part 1 CAP reports (submitted 90 days after the Groundwater Assessment Reports were submitted) include: background information, a brief summary of the CSA findings, a brief description of site geology and hydrogeology, a summary of the previously completed receptor survey, a description of 2L and 2B exceedances, proposed site -specific groundwater background concentrations, a detailed description of the site conceptual model, and groundwater flow and transport modeling. Part 2 would contain the remainder of the CAP including the risk assessment, alternative methods for achieving restoration, conceptual plans for recommended corrective actions, implementation schedule, and a plan for future monitoring and reporting. If you have comments and/or questions, please direct them to me at 704-382-4303. Sincerely, Harry K. Sideris Senior Vice -President Environmental, Health & Safety