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San Luis Project <br />CDRMS Annual Report <br />March 23, 2011 <br />Page 2 <br />West Pit and tailing disposal area roadways; tailing facility under-drain collection pond <br />and remaining topsoil stockpile storage area reclamation. <br />Table 1- Remaining San Luis Project Mine Disturbance <br />Area Remaining <br /> Reclamation <br /> Acres <br />West Pit 28.7 <br />Tailing Facility 22.6 <br />Storage Pond <br />Topsoil Stockpiles 5.5 <br />Road around Tailing 4 <br />Facility and <br />Collection Pond <br />Tailing Facility 12.9 <br />Perimeter Road <br />Waste Rock C Access 3.7 <br />Road <br />Pink Gneiss Pit Haul 3.8 <br />Road <br />Tailing Facility 5 <br />Under-drain <br />Collection Pond <br />Wells, Lysimeters, 76 <br />and Piezometers <br />Water Tank 1 <br />Total Area 86.2 <br />Lysimeters were inspected monthly and reported to the Division. The lysimeters <br />remained dry throughout the year. <br />Ground water sampling and analysis of the San Luis town and Shalom Ranch wells were <br />conducted in accordance with the applicable technical revision monitoring plan. <br />Laboratory analytical reports were distributed to the Division upon receipt from the <br />laboratory. <br />Tailing facility under drain flows were monitored at the base of the embankment to <br />determine the under drain return flow to the collection pond. The 2010 under drain flow <br />rates ranged from 17.57 to26.67 gpm with a mean under drain flow rate of 20.43 gpm.