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Annual Impoundment Certification Report <br />Mining Area New Horizon Mine <br />Date Inspected 28 February 2011 <br />Impoundment 009 <br />Are there any appearances of erosion, instability, structural weakness <br />or other hazardous conditions? No <br />If yes explain <br />2. The depth and elevation of any impounded waters at the time of <br />inspection: Water is not flowing through weep hole. Top of water <br />5639.4 <br />3. Existing storage capacity of water in the impoundment (from lowest <br />weep hole or principal spillway) <br />1.70 Ac-Ft <br />4. Design storage capacity of water in the impoundment (from lowest <br />weep hole or principal spillway) <br />0.67 Ac-Ft <br />5. Any other aspects of the structure affecting stability, or required <br />maintenance? <br />No <br />6. Has structure been maintained as designed and in accordance with the <br />approved plan and the applicable regulations? Yes, Pond was <br />cleaned in Nov07 <br />If no explain <br />7. Inflow volume from a 10yr-24Hr storm <br />1.65 Ac-Ft <br />8. Capacity of impoundment from lowest weep hole to riser: 3.15 Ac-Ft <br />PROFESSIONAL ENGINEER'S STATEMENT <br />I state that this pond was inspected and surveyed under my <br />supervision and all the information presented heron is true and <br />correct to the best of my knowledge and infor tion <br />Zd?l <br />llhug'reA <br />ate Ross L. a, CO P.E 28950 <br />U`p?? GQ? SG <br />.ac 28950. <br />?NAN <br />F:\Eng\DATA\WP\pond-banks\2011\2011 Annual Impoundment Certification Report.doc