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<br />r <br />7) WFU states that the referenced drillhole was not plugged (at <br />the bottom?) because water leaking through the hole was of an <br />insignificant quantity and duration, and the hole became <br />inaccessible after longwall mining passed through. However, <br />Rule 4.07.3 requires that drillholes which are no longer <br />needed for their originally intended purpose must be properly <br />abandoned. For holes in which aquifers were not encountered, <br />surface seals may be adequate. Has the drillhole been <br />properly abandoned, or is it still being used for some <br />purpose? If no longer in use, the hole should be abandoned <br />immediately to protect people, livestock, wildlife, and the <br />hydrologic balance. <br />If you have any questions regarding this correspondence, please <br />call me at (303) 866-3567 X320. <br />Sincerely, <br />~' ~~ <br />Barbara L. Pavlik <br />Environmental Protection Specialist <br />