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Mine site remain significantly higher than in either the spoil monitoring <br />. well (SMW-2) or the ash monitoring wells (AMW-1 and AMW-2). <br />CEC continues to believe that no adverse affect on the overall hydrologic <br />balance of the Keenesburg Mine site will result from a continuation of the <br />ash disposal operation, from the limited addition of mine waste rock to the <br />B-Pit ash disposal, or from the ongoing reclamation operations. Ground <br />water levels in the former coal extraction areas can be expected to recover <br />to their approximate pre-mining levels following the conclusion of all CEC <br />operations (see McWhorter report, Appendix I-1 to Permit C-1981-028). <br />Treatment of either the ground or surface waters at the Keenesburg Mine <br />site is not considered to be necessary. <br />Notice: In the course of applying for, and obtaining approval to dispose of <br />mine waste rock in the ash disposal pit (B.-Pit) at the Keenesburg Mine site, <br />CEC submitted, and received CDPHE approval for the current Ground- <br />Water Monitoring Plan, as revised. As a requirement of that approval, CEC <br />is providing notice that the data developed under the Monitoring Plan for <br />2008 has been placed in the operating records at the site office. This is the <br />• eleventh such notice, in compliance with the requirement. <br />11 <br />AHR-2008 -12-