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-2- <br />Mid-Term Review <br />Twin Pines Mine No. 2 <br />Introduction <br />This document presents the results of the Division's mid-term review of the <br />Twin Pines Mine No. 2, This mid-term review was conducted to fulfill the <br />requirements of Rule 2.08.3, 2.06.2(9), 2.06.3(4), 2.06.5(3), 2.06.7(5) and <br />3.02.2(4). <br />Rule 2.08.3 requires that the Division conduct a review of each permit issued, <br />prior to its mid-term (2 1/2 years). Based on this review, for good cause <br />shown, the Division may require reasonable revision or modification of the <br />permit provisions to ensure compliance with the Act and Regulations. <br />Rules 2.06.2, 3, 5, and 7 requires that experimental practices, mountain top <br />removal variances, variances from AOC, and variances from contemporaneous <br />reclamation be reviewed by the Division where applicable. The Twin Pines Mine <br />No. 2 permit does not have any operations under these categories. <br />Rules 3.02.3(4) requires that the Division review the amount of the bond and <br />the terms of acceptance of the bond every 2 1/2 years. <br />The mid-term review consisted of a detailed review of the Twin Pines Mine No. <br />2 application to identify any items that may have been overlooked during the <br />initial review. The Division also reviewed subsequent revisions and <br />stipulation responses to ensure that all permit commitments and conditions <br />were being followed. Hydrologic monitoring data was reviewed in conjunction <br />with the review of the application to assess the adequacy of the monitoring <br />plan and discussion of hydrologic impacts. <br />I. Decision to Require Revisions to the Permit <br />The Division has conducted a mid-term rev-iew under Rules 2.08.3, 2.06.2(a), <br />2.06.3(4), 2.06.5(3), 2.06.7(5) and 3.02.2(4). The review included the Twin <br />Pines Mine No. 2 permit application, subsequent revisions, stipulation <br />responses, hydrologic monitoring data, past inspection reports, and on site <br />inspections. The Division finds that certain revisions and modifications are <br />needed to ensure future compliance with the Colorado Surface Coal Mining <br />Reclamation Act and the Regulations of the Colorado Mined Land Reclamation <br />Board for Coal Mining. The revision required may be combined into a single <br />technical revision titled "Responses to the Mid-Term Review". The responses <br />should be submitted as revised pages that can be easily inserted into the <br />permit application. Each page should be numbered and dated with the revision <br />date. <br />2.03.3 General Operation Information (2.03.3) <br />The first 3 pages of the application should be revised to reflect the current <br />status of the mine. <br />