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will need to hold a bond to replace the clay liner. Please submit evidence the SEO has certified the clay liner for <br />the northwest pond or submit an estimate of the cost to replace the clay liner for the financial warranty estimate. <br />Item #3 -- Bond Estimate: <br />3.) Based on your response to the items above, the Division will conduct a financial warranty estimate for the <br />current level of disturbance and adjust the required financial warranty accordingly. <br />Item #4 -- Hydrologic Balance: <br />4.) Given the proximity of the northwest clay lined pond to the structures located south of the pond, the Division <br />believes monitoring the groundwater elevations in that vicinity is warranted. Should a mounding problem arise, <br />monitoring data will be necessary to determine the cause. One piezometer will need to be installed south of the <br />northwest clay lined pond between the pond and the permit boundary. The Operator will need to commit to <br />installing this piezometer and monitoring the groundwater elevations on a quarterly basis until the site is release <br />by the Division. Please commit to supplying the results of the groundwater monitoring data in the annual <br />reclamation report submitted to the Division. On the updated Reclamation Plan map, please indicate where the <br />piezometer will be installed. <br />This concludes the Divisions review of the Technical Revision. Please remember the decision date for the Technical <br />Revision is August: 4t", 2010. If the decision date arrives and there are outstanding issues, the Division will deny the <br />Technical Revision. <br />If you have any questions please feel free to contact me at (303)-866-3567 ext. 8120. <br />Sincerely, <br />#W41 P't- <br />Jared Ebert <br />Environmental Protection Specialist- DRMS <br />Cc: Tony Waldron, DRMS <br />David Bird, DRMS