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sized enough to allow retention, there is a very good likely hood the <br />system will discharge during a precipitation event. As noted above, <br />please explain how you planned to retain all the water from your <br />operation to make it a Zero discharge system? <br />f) Are you planning to apply to the Stet Engineer's office, if you have not <br />done already to account for evaporative loss from these ponds? The SEO <br />allows a maximum of 72 hours retention time from structures, before <br />retained water is allowed to go back to the system. Please review the <br />letter enclosed from the State Engineer's Office. <br />g) Under the Exhibit you stated that "a tailings stockpile in the Southwest <br />portion of the claim (70 feet by 190 feet for a total of 13,300 square <br />feet". As was required under your NOI, the Division will require the <br />operator to place this stockpile at a 3:1 slope or gentler and a safe <br />distance away from the trench. In the past what stockpiles were placed <br />along the trench at angle of repose, they have been known to have slope <br />failures. Please commit to placing this stockpile at a 3:1 slope or <br />gentler and a face distance away from the active trenching area. <br />h) The financial warranty for the affected acreage of 1.7 acres, of which <br />only approximately only one acre will be affected has bee calculated to <br />be $6,352.00. The item by item calculation was sent to you on 5/17/07, <br />so you will have adequate time to review it. Enclosed with this adequacy <br />item is the same calculation sent to you on 5/17/07. <br />All other Exhibits adequate. The decision date for your application is <br />6/16/07. If you have questions or concerns, please contact me at (303) 866- <br />4072. <br />Sincere~`l~y <br />er$ han Keffelew <br />Reclamation Specialist. <br />Enclosures: Letter from SEO <br />