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Greg Lewicki And Associates, PLLC <br />11541 Warrington Court Phone: (303) 346-5196 Fax (303)-346-6934 <br />Parker, CO USA 80138 E-Mail: info@lewicld.biz <br />June 3, 2011 <br />Marcia Talvitie <br />Colorado Division of Reclamation, Mining, and Safety <br />1313 Sherman St, Rm. 215 <br />Denver, CO 80203 <br />RECEIVED <br />JUN 082011 <br />Civiz5;?ri or Ned' 01wa. <br />NCnin( and semv <br />RE: Technical Revision 60: Pond 015 As Built, NPDES Discharge Permit, and Other Updates <br />Western Fuels-Colorado has prepared Technical Revision 60 (TR-60) to the DRMS permit for the New <br />Horizon Mine (C-81-008) to update the permit file with the following items. <br />1. Pond 015 As Built - This includes a new Attachment 2.05.3(3)-24 containing the as-built <br />certification for the pond. Attachment 2.05.3(3)-1 has been updated to reflect the final as-built <br />conditions of culverts and ditches associated with Pond 015. Two new maps as part of the Pond <br />015 As-Built have been added to the permit: Map 2.05.3(3)-19 and 20. <br />2. NPDES Discharge Permit Update - <br />3. Section 2.05.3(3) - Changes to the list of attachments in this section necessitates a new table of <br />contents. Additionally, a few minor errors in this section were corrected, and as such the whole <br />section is being submitted for easy replacement. Updated pages are marked with a new revision <br />date in the bottom left corner. Several attachments have not had any changes to content, but have <br />been moved around in Section 2.05.3(3) (example: Attachment 2.05.3(3)-20 is now -22). This <br />has changed their page numbering, but their date stamp has remained unchanged to prevent <br />confusion. <br />Attached to this letter is the application for TR-60, as well as a copy of the public notice. <br />Please review these changes and let WFC or myself know if you have any questions or comments. <br />Sincerely, <br />B 6n L genfel , Project Engineer <br />Greg Lewicki and Associates <br />CC: Ross Gubka, Western Fuels-Colorado RECEIVED <br />JUN 0 8 2011 <br />uivision 01 Wming and ?? <br />