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December 13, 2012 C-1981-018/Deserado Mine ZTT <br /> Dewatering Pond system. <br /> Sedimentation Ponds RP-1, RP-4, RP-5A, SS-1, SS-2,RR-1 and RRS-1 were dry at the time of the inspection. <br /> HRB-2 and the Explosive Storage SAES were inspected for proper sediment control measures. Each SAE is <br /> surrounded by berms diverting runoff to constructed rock check dams. No major signs of erosion were present and <br /> all check dams were stable. <br /> Water Storage Tank, Radio Tower, RDH-2 and B-Vent Shaft SAES were constructed with gravel pads for <br /> sediment control measures. Each SAE were well graded with gravel and no major signs of erosion were present. <br /> The culvert beneath the intersection to Moon Lake Substation is partially filled with sediment in the outlet and is <br /> in need of cleaning. Additionally, the culvert that takes runoff by the refuse bin and truck loadout is about 70% <br /> filled with sediment in the inlet and will also need cleared. <br /> Mine Dewatering Pond. Pond DP-I. <br /> Number of Partial Inspection this Fiscal Year: 4 <br /> Number of Complete Inspections this Fiscal Year: 2 <br /> Page 3 of 5 <br />