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0 cOLORADO <br /> 0 Division of Reclamation, <br /> Mining and Safety <br /> Department of Natural Resources <br /> May 5, 2021 <br /> Ms. Melissa Harmon <br /> Cripple Creek&Victor Gold Mining Company <br /> P.O. Box 191 <br /> Victor, CO 80860 <br /> RE: Division Adequacy Review No. 2; Fourth (4th) Quarter 2020 Groundwater and Surface Water <br /> Report; Cresson Project, Permit No. M-1980-244 <br /> Dear Ms. Harmon, <br /> On April 19, 2021, the Division of Reclamation, Mining and Safety (Division/DRMS) received your <br /> response to the Division's Review Memo dated February 17, 2021. After review of the responses the <br /> Division has additional items that need to be addressed or clarified. <br /> GENERAL: <br /> The Operator was given a due date of April 19, 2021 to address all comments, numbered 1 thru 20, in the <br /> review memo.The Operator only responded to comments 4 thru 20.To date the Operator has not <br /> addressed items 1, 2, and 3 nor has the Operator requested an extension to the due date. Provide a <br /> status update of these items. A separate and formal extension request to the due date will be needed. <br /> FOURTH QUARTER 2020 MONITORING REPORT: <br /> 1. The Division acknowledges there is no total or dissolved fractions for chloride when analyzing using <br /> EPA Method 300. However, is there a laboratory method that would demonstrate compliance with <br /> WQCC Regulation 41 Table 2 for dissolved chloride? <br /> 2. Response was adequate. <br /> 3. Please provide documentation demonstrating when the last quarter that groundwater and surface <br /> water sampling was conducted, following the approved CAPP, with all the appropriate CA/QC <br /> samples collected. <br /> 4. See item#3. <br /> S. Response was adequate. <br /> 6. Please clarify whether or not a non-phosphatic detergent was used during the equipment <br /> decontamination as required in the QAPP, Appendix 7 of Amendment 13 Section 8.4. <br /> QF CO(0 <br /> r� P <br /> 1313 Sherman Street, Room 215, Denver, CO 80203 P 303.866.3567 F 303.832.8106 https://drms.colorado.gov/ <br /> N .fin _; <br /> Jared Polis, Governor I Dan Gibbs, Executive Director I Virginia Brannon, Director � #.. �r����o*, <br /> x 1875 .; <br />