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TYPICAL DRILL HOLE ABANDONMENT <br />Surface <br />Cement plug or ? 10,1minimum <br />comparable plug <br />Heavy mud, <br />Drill cuttings <br />or Cement <br />Shallow Holes (Drilled within stripping limit) <br />Holes must be backfilled with as many cuttings as <br />T possible and surface plug set. <br />0 <br />Un Deep Holes (Drilled beyond stripping limit) <br />All water aquifers and minable coal beds must be <br />0 o v o o ? 0 0 0 0 o v o o cemented off and surface plug set. <br />ooooo -n. vvv 7 0 <br />` t All Holes <br />0 1. Stripping limit is determined by the District Manager. <br />"' 2. The surface plug must be set to ground surface, <br />except in plowed fields, where the plug must be set <br />below plow depth. <br />3. Holes must be backfilled with as many cuttings as <br />possible. <br />4. Excess cuttings must be leveled and dispersed evenly <br />- over the surface surrounding the hole, or cuttings may be <br />hauled away to an approved disposal site. <br />Heavy mud, <br />Drill cuttings <br />or Cement <br />0 <br />C <br />U <br />0° <br />O O <br />N i <br />ITEM A