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The Operator will provide a full report of all ground water monitoring activities by creating a <br />sepazate section in the annual reclamation report required under section 34-32-116, C.R.S. If <br />evidence of non-compliance with permit conditions protective of ground water is found, the <br />Operator will follow the Division of Minerals and Geology "Ground Water Compliance Protocol" <br />attached to this letter. If "early warning indicators" listed in attachment 1 to technical revision TR- <br />003 are exceeded in welts that are not designated points of compliance, then the Operator will notify <br />the Division within five (5) working days and cooperate in any further investigations or permit <br />modifications that are determined to be necessary for the protection of ground water. <br />3. The Operator will provide the Division of Minerals and Geology with a proposal for points of <br />compliance and numeric protection levels for the dissolution surface monitoring of potentiometric <br />pressure and temperature once the dedicated probes are installed and operational. The Operator will <br />also provide a proposal for a sepazate compliance protocol for the dissolution surface since <br />temperatures and pressures above the numeric protection limit are indicative of leakage from the <br />mining cavities and may require immediate corrective action. The numeric protection levels will be <br />based on the data collected over the thirteen-month ambient ground water study correlated with the <br />initial data generated by the dedicated probes. Based on the initial probe data, the Division will <br />determine if the incorporation of dissolution surface numeric protection levels into the permit will <br />be an additional technical revision filing, or a component of technical revision TR-003. In either <br />case, the dissolution surface points of compliance, numeric protection levels, and compliance <br />protocols will be binding on the Operator and enforceable components of the reclamation permit. <br />4. The Operator will provide the Division with a copy of the United States Geologic Survey (USGS) <br />sampling and analysis audit report when it becomes available and cooperate on the incorporation of <br />any USGS recommendations into the sampling, analysis and compliance plan or plans approved in <br />the reclamation permit. <br />If you have any questions, or wish to discuss the wording of the suggested conditions, please contact <br />me. <br />Sincerely, <br />Allen C. Sorenson <br />Reclamation Specialist <br />m:~w~c,w~enc,n roe, mmrm~.a~ <br />