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Mid-Term Review <br />Southfield Mine <br />Introduction <br />This document presents the results of the Division's mid-term review of the <br />Southfield Mine. 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 require 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 Southfield Mine <br />permit does not have any operations under these categories. <br />Rule 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. The Division requires <br />a bond estimate in the permit application which reflects the entire liability <br />out at the site. To this end, the Division has included several requests in <br />the Mid-Term Review to modify the bond to reflect the removal and subsequent <br />reclamation of all structures at the site. <br />The mid-term review consisted of a detailed review of the Southfield Mine <br />application to identify any items that may have been overlooked during <br />subsequent review, The Division also reviewed revisions and stipulation <br />responses to ensure that all permit commitments and conditions were being <br />followed. Hydrologic monitoring data was reviewed in conjunction with the <br />review of the application to assess the adequacy of the monitoring plan and <br />discussion of hydrologic impacts. <br />This document ie organized as follows: Section I includes a summary of our <br />decision to require revisions with regard to the mid-term review required <br />under Rule 2.08.3. It includes a listing by category of what items need to be <br />revised, a rationale for requiring these revisions, and timetables for <br />completing these revisions. Section II presents a summary of the statue of <br />the stipulations attached to the Southfield Mine permit. Section III is a <br />compilation of any revisions required with regard to the stipulations. The <br />responses to items identified in Section I should be submitted by March 19, <br />1993, ae one package in a format that allows easy insertion irsto the <br />application. <br />I. Decision to Reau ire Revisions to the Permit <br />The Division has conducted a mid-term review 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 <br />Southfield Hine 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 and to update the permit application to reflect current <br />conditions at the site. The following sections detail the revisions required <br />