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Permit M-1977-493—Climax Mine <br /> E-12.2 Success Standards <br /> Revegetation at Climax will be considered successful for release of financial warranty if the vegetation cover <br /> (excluding noxious weeds)on the RMU is greater than or equal to 80% of the vegetation cover on the appropriate <br /> reference area. Comparisons between RMUs and reference areas will be made using Mann-Whitney statistical <br /> tests (McDonald et al. 2003). Species frequency data will also be used to illustrate that a diverse community has <br /> been created on each RMU. <br /> E-12.3 Monitoring Schedule and Deliverables <br /> Financial warranty release monitoring may occur five full growing seasons after revegetation is completed or <br /> anytime thereafter when Climax feels that the revegetation effort has established a diverse, effective, and self- <br /> sustaining vegetative cover. Climax will provide a courtesy notification to DRMS in writing at least 30 days prior to <br /> the initiation of this release monitoring. Climax may also perform interim vegetation monitoring to assist in refining <br /> reclamation techniques and maintenance needs. <br /> Financial warranty release monitoring results will be compiled into a report for submittal to DRMS. This report will <br /> contain: <br /> • a map of each RMU and references area monitored <br /> • justification for the selected reference areas <br /> • a complete species list for each RMU and reference area <br /> • data summarized in tables and/or graphs <br /> • results and discussion of statistical analyses <br /> • site photographs <br /> E-13 Reclamation Costs <br /> The estimated costs for the closure reclamation activities discussed in this Exhibit are detailed in Exhibit L: <br /> Reclamation Costs. <br /> E-14 References <br /> Climax Molybdenum Company. 2022. Storm Water Management Plan. Colorado Department of Public Health and <br /> Environment Permit#COR-040178. Effective July 2022. <br /> Habitat Management, Inc. 2005. Climax Molybdenum Mine Noxious Pest Weed Management Plan. Climax <br /> Molybdenum Company Internal Document. <br /> McDonald LL, Howlin S, Polyakova J, and Bilbrough CJ. 2003. Evaluation and Comparison of Hypothesis Testing <br /> Techniques for Bond Release Applications. Prepared for Abandoned Coal Mine Lands Research Program, <br /> Laramie, Wyoming. <br /> Exhibit E E-18 May 2024 <br />