Laserfiche WebLink
<br />MAR 0 7 2008 <br />Division ,-,„,,,nation, <br />Mining and Safety <br />Mr. James R. Stark <br />Environmental Protection Specialist <br />Colorado Division of Minerals and Geology <br />Department of Natural Resources <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />RE: Technical Revision No. 70, Hydrology Monitoring Plan Update, Colowyo Coal Mine, Permit <br />No. C-81-019. <br />Dear Mr. Stark, <br />Enclosed please find two copies of materials provided for Technical Revision No. 70. This change updates <br />the hydrologic monitoring plan for surface and ground water monitoring per Stipulation 5 of PR-02 revision. <br />Per the meeting at Colowyo on February 26, 2008 regarding Stipulation 5, the hydrologic monitoring plan <br />has been updated to reflect additions of A-7 and A-8 alluvial wells. Additionally, surface water monitoring <br />requirements have been revised from monthly field parameters and quarterly samples to quarterly field and <br />sample requirements per our meeting. With this submittal of the monitoring plan Stipulation 5 should be <br />satisfied by Colowyo. Included with the revision package are a change of index sheet and replacement pages <br />outlining the revision. <br />If you have any questions or require additional information, please feel free to contact me at (970) 824-1532. <br />Sincere <br />Tony Tennys n <br />Environmental Enginee <br />Encl. 2 copies <br />Cc: file CF 1.1.2.59 <br />March 5, 2008