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NEWMONT <br /> GOLDCORR <br /> 7 CALCULATION OF DETOXIFICATION COSTS <br /> The detoxification procedure for the VLFs is consistent with prior submittals and includes using <br /> two pore volumes of water to rinse with a series of resting and rinsing periods followed by an <br /> application of one pore volume of H2O2 treated water. The rinsing is followed by a period of water <br /> sampling to determine whether neutralization of the facilities have been achieved to acceptable <br /> standards. The rinse objective is to achieve an average of less than 0.2 mg/L of weak acid <br /> dissolute cyanide (CNWAD) in the rinse water from the facilities. Current CC&V operating costs <br /> have been used to establish water-handling costs in this estimate. <br /> 8 SUMMARY <br /> Financial warranty requirements for reclamation of the Cresson Project through the end of 2020 <br /> have been estimated to be approximately $196,350,772 USD. The overall costs will be <br /> incrementally adjusted year as disturbance is increased. <br /> 9 REFERENCES <br /> Caterpillar Performance Handbook. Caterpillar. Peoria, Illinois. June 2018. <br /> Heavy Construction Costs with RSMeans Data 2018. RSMeans Co. 2018. <br /> Cripple Creek&Victor Gold Mining Company Exhibit L <br /> Cresson Project Amendment 13 <br /> 5 <br />