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a <br />a <br /> <br /> <br /> <br />a <br />a <br /> <br /> <br /> <br /> <br />EXHIBIT G <br />There will be no change in the areas hydrologic regime <br />nor in the adjacent area from the proposed operation. There <br />will be no effect on surface- or ground-water systems due to <br />this operation. <br />Water will be trucked by tanker to the site to handle <br />irrigation, plant, and personal needs. The proposed operation <br />is estimated to require 2-to 10-thousand gallons per day <br />dependent on the season of year. Maximum water use will occur <br />during the summer months. There will not be runoff from this <br />minimal usage, therefore the need for sediment ponds is pre- <br />cluded. <br />An analysis of runoff impact due to the operation, <br />evaluated for a 100 year, 24 hour event, indicated that no <br />significant increase in runoff will occur (Appendix A). <br /> <br /> <br />a <br /> <br /> <br />a <br />Due to the nature of the soil material at the site, an <br />internal drainage system is not necessary to control runoff <br />within the mining area and reduce erosion potential. As the <br />configuration of the pit expansion will be changing constant- <br />ly, it would not be possible to develop a rigid drainage plan <br />for the operating area itself. If it were needed, design and <br />G-1 <br />