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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />John W. Hickenlooper <br />Department of Natural Resources <br />Govemor <br />1313 Sherman St., Room 215 <br />Mike King <br />Denver, Colorado 80203 <br />COLORADO <br />11541 Warrington Court <br />D SION O F <br />D (VI E <br />Phone: (303) 866 -3567 <br />RECLAMATION <br />FAX: (303) 832 -8106 <br />MINING <br />SAFETY <br />December 2, 2013 <br />John W. Hickenlooper <br />Govemor <br />Greg Lewicki <br />Mike King <br />Greg Lewicki & Associates <br />Executive Director <br />11541 Warrington Court <br />Loretta E. Pineda <br />Parker, CO 80138 <br />Director <br />RE: Gloria Z Mine; DRMS File No. M- 1984 -094; Adequacy Review —Technical Revision No. 2 <br />Dear Mr. Lewicki, <br />The Division of Reclamation, Mining and Safety (Division) received Technical Revision - 2 for the above <br />referenced site on October 28, 2013. The decision date for this Technical Revision is December 9, 2013. <br />The Division has reviewed the Technical Revision Application and has the following comments: <br />1. Please specify how much Hyperfloc AF307 will be stored at the mine site at any given time. <br />2. Please specify where the Hyperfloc AF307 will be stored at the mine site. <br />3. Please specify how the Operator will clean up any spills of the flocculent. <br />4. The Applicant has stated that Hyperfloc AF307 is biodegradable. However, the Material Safety Data <br />Sheet states that the flocculent is not readily biodegradable. Please clarify this discrepancy and <br />provide an explanation of the designation `not readily biodegradable'. <br />This concludes the Division's preliminary adequacy review of this Technical Revision. Please remember <br />that the decision date for this Technical Revision is December 9, 2013. As previously mentioned, if you <br />are unable to provide satisfactory responses to any inadequacies prior to this date, it will be your <br />responsibility to request an extension of time to allow for continued review of this Technical <br />Revision. If there are still unresolved issues when the decision date arrives and no extension has been <br />requested, the Technical Revision will be denied. <br />If you have any questions, please contact me at (303)866 -3567 x8116. <br />Sincerely, <br />Michael A. ningham <br />Environmental Protection Specialist <br />Office of Office of <br />Mined Land Reclamation Denver • Grand )unction • Durango Active and Inactive Mines <br />