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NEWMONT C1E` <br /> Newmont Mining Corporation <br /> Cripple Creek&Victor Gold Mine <br /> 100 North 3' Street P O Box 191 <br /> LAMA T 719-689-4029 <br /> Rl^C�`n��o F 719-689-3254 <br /> 1'WKWAr.Xgo SP&EV www newmont com <br /> SENT CERTIFIED, RETURN RECEIPT REQUESTED <br /> 7015 1660 0000 0779 9284 <br /> June 28, 2017 <br /> Mr. Timothy Cazier, P.E. <br /> Environmental Protection Specialist <br /> Colorado Department of Natural Resources <br /> Division of Reclamation, Mining and Safety <br /> Office of Mined Land Reclamation <br /> 1313 Sherman Street, Room 215 <br /> Denver, Colorado 80203 <br /> Re: Permit No.M-1980-244; Cripple Creek& Victor Gold Mining Company("CC&V"); Cresson <br /> Proiect-Written notification—Lime Slurry Spill—June 22,2017 <br /> Dear Mr. Cazier: <br /> In accordance with Rule 8, Section 8.2.3 of the Mineral Rules And Regulations of the Colorado Mined <br /> Land Reclamation Board For Hard Rock, Metal, And Designated Mining Operations (Rules), the Cripple <br /> Creek and Victor Gold Mining Company (CC&V) hereby provides the Division of Reclamation, Mining <br /> and Safety (Division) with a formal report regarding the lime slurry spill at the High Grade Mill (HGM) <br /> lime silo, which occurred early morning June 22, 2017. <br /> The following points address the requirements of Rule 8, section 8.2.3: <br /> a. Actions taken to respond to and correct the emergency situation or condition <br /> • Spill was observed by a mill operator preforming a daily walk around inspection. <br /> • The lime slurry pumps were immediately shut off and the valves feeding the pumps from the <br /> lime silo were closed. Based on the rapid change in the lime silo tank levels, it appears that <br /> the spill occurred for less than 20 mins. <br /> • Two front end loaders and a skidsteer, and were used to recovered the lime slurry and the <br /> contaminated soil. The soil was removed using an `over-excavation' approach. Depth of <br /> recovery was approximately six to twelve inches. Areas where the lime could not be <br /> excavated, were neutralized using freshwater. <br /> • Approximately 24 cubic yards of lime slurry and soil were transported by the front end <br /> loaders to the tailings stockpile, located near the load out bin (LOB). The lime slurry and soil <br /> were mixed into the tailings. The front end loaders and skidsteer were decontaminated and <br /> returned to normal activities. <br /> • The over-excavated areas were filled in with clean fill and gravel. <br />