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3. Describe the estimated topsoil depth and how topsoil will be salvaged,stockpiled and <br /> redistributed for the re-establishment of vegetation. Specify approximate topsoil <br /> redistribution depth: <br /> Topsoil is thin to nonexistent in the area. Rocky C horizon soils are generally <br /> encountered within 6"-12" of the ground surface. In any areas with significant topsoil <br /> development, the topsoil will be stockpiled at the top of the drill site(s) cutbank. <br /> 4. Describe how drill holes will be plugged (refer to Rule 5.4 of the Rules for required <br /> abandonment procedures): <br /> When drill holes are completed, they will be plugged using a sodium bentonite gel.A <br /> 10'thick cement plug will capt he top of the drill hole which will be marked with the drill <br /> hole number and date. Surface casing will be removed and if not completely removed <br /> wall be eut eff at least 2" belew gFeund suFfaee.Any droll hele with with artesian wateF <br /> flow will be cemented from bottom to top. Surface drainage will be modified to keep <br /> water i in the vicinity n collar.All drillawill eventually be <br /> covered when the drill pads are reclaimed. Only one drill hole will be open at any given <br /> time. <br /> 5. Describe how portals, adits,shafts, ponds, excavations, or other disturbances will be <br /> reclaimed(refer to Rule 3 and Rule 5 for specific reclamation performance standards). <br /> You may wish to contact the Division for closure specifications. <br /> All drill pads will be re-contoured to match existing topography. The surface will be left <br /> r0ugh and, where available, boulders and logs will be used to minimize oil erosion and <br /> discourage access. The reclaimed areas will be re-seeded with approved seed <br /> mixtures and at a time appreved by the pefrnitting ageneies. The Feelairned areas will <br /> be monitored annually for plan re-generation and erosion concerns until the area is <br /> released y the permitting agencies. <br /> Form 1-DRMS Use and Confidential File Page 9 of 14 <br />