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commencement of final reclamation is many years in the future, the Division requests that <br />Northfield include a statement in the text stating that all necessary county and landowner <br />approvals will be in place prior to burying any demolition debris on the site. <br />Northfield Response: Permit text added concerning debris burial approval. <br />DBMS: Response accepted. <br />26. Page 2.05.4-6 discusses the Topsoil Removal, Storage and Redistribution Plan. Again, <br />as in question IB above, there appears to be a discrepancy in the volume of topsoil <br />available for replacement. Please take a very close look at this and provide a detailed <br />discussion of how the volume in the topsoil balance was derived. Additionally, please <br />include a table for the topsoil balance. <br />Northfield Response: Topsoil information was added to permit text. <br />DRMS: Response accepted. <br />27. Pages 2.05.4-11 and 2.05.4-12 discuss the Sealing or Management of Mine Openings and <br />Boreholes. The discussion of the sealing of boreholes appears to be adequate. The <br />Division, however, requests that Northfield provide detailed diagrams for each of the <br />possible sealing methods described. These diagrams will add clarity to the discussion <br />and allow for a more accurate calculation of the reclamation cost estimate. <br />Northfield Response: Sealing methods and details were added to permit text. <br />DRMS: Response accepted. <br />This concludes our adequacy review of the revised materials. Please submit responses to the issues <br />identified in bold text as soon as possible. If you have any questions, please contact me. <br />Sincere <br />r <br />Kent A. Gorham <br />Environmental Protection Specialist II <br />