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Battle Mountain Resources <br />November 1, 2000 <br />Page 8 <br />Table 1 Monthly Summary of Total Pumped Volume and Calculated Pore Volume <br /> <br /> <br />Date Total Monthly <br />Pumped Volume <br />(gal) <br />Cumulative Pore <br />Volume <br />8/1999 864,800 0.010 <br />9/1999 2,098,400 0.024 <br />10/1999 3,490,800 0.039 <br />11!1999 5,278,700 0.060 <br />12!1999 9,548,700 0.108 <br />(/2000 21,469,800 0.242 <br />2/2000 34,353,100 0.388 <br />3/2000 47,058,000 0.531 <br />412000 55,386,000 0.625 <br />S/2000 70,287,500 0.793 <br />6/2000 79,594,700 0.898 <br />7/2000 94,371,900 1.065 <br />8/2000 103,833,600 1.172 <br />Noes: 1 Based on the calculated pore volume of 88,587,877 gallons <br />water quality data for use in re-evaluating pore volumes and flushing requirements in the West Pit <br />backfill. <br />Water quality data collected from BF-2, BF-4, and BF-6 between August 1999 and August 2000, <br />which represents the implementation of the TR-26 water management plan, were a~mbined with <br />the monthly backfill groundwater pumping volumes (Table 1) to reassess the flushing <br />characteristics of the West Pit backfill. <br />2636 Midpoint Dr., Suite B, Fort Collins, Colorado 8052.1 <br />Telephone (970J 484-7704 /FAX (970J 484-7789 <br />