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URAVAN-BECK PROJECT DRILL SITE P-8 <br />NOTICE OF INTENT TO COMMENCE PROSPECTING <br />APPENDICES To NOI APPLICATION <br />Page 4 of 7 <br />Assuming soil is salvageable from each drill pad area, maximum soil salvage will <br />be 3.7 CY of soil per hole. No soil will be salvaged from drill fences located on <br />the Galleta grass area. Salvaged soil will be stored in centralized stockpiles next <br />to each drill fence. <br />When drilling is complete, any cuttings that do not fit back in the hole will be <br />spread in an area up to 20 ft. in diameter around each drill hole using the <br />backhoe. Topsoil will then be re-spread to an average depth of 3" over the 20-ft. <br />diameter area that was stripped of topsoil prior to drilling using the backhoe. <br />Seed will be broadcast immediately after topsoil spreading (see seed mix in <br />bullet 7 below). <br />Section IV. 4. <br />After geophysical logging, all holes will be backfilled with cuttings, concrete- <br />plugged at 7 to 2 ft. below ground surface (bgs), and dirt-filled from 2 to 0 ft. bgs <br />to meet Colorado abandonment regulations as described in Chapter 5.4 of the <br />DRMS hard rock regulations. Any drill holes that have evidence of artesian flow <br />will be plugged with a neat cement grout or similar material to prevent any flow to <br />the surface. Any hole that encounters an aquifer will be sealed to prevent <br />contamination of this aquifer using high quality sodium bentonite gel specifically <br />designed for use as an abandonment fluid. All dry holes will be backfilled with <br />cuttings, and plugged from 7 to 2 ft. bgs with a cement plug. The final two ft. to <br />the surface will be filled with remaining cuttings or dirt.