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1 <br /> NEWMONT <br /> PJewmnnt Mining Col poratlon <br /> uir r,Ic Creek&Victoi Good Acme <br /> ll:;Norm 3' Stiext P O Rox 191 <br /> I /i: hRG-4ll�y <br /> V,:J,:IIeL";mGl't r,Gnl JA <br /> SENT CERTIFIED,RETURN RECEIPT REQUESTED <br /> 7017 1450 0000 9199 0027 <br /> �1 <br /> March 8,2018 M;NING� <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 Proiect <br /> -Written notification—Lime Slurry Spill—March 4,2018 <br /> Dear Mr. Cazier: <br /> In accordance with Rule 8, Section 8.2.3 of the Mineral Rules And Regulations of the Colorado Mined Land <br /> Reclamation Board For Hard Rock, Metal, And Designated Mining Operations (Rules), the Cripple Creek and <br /> Victor Gold Mining Company (CC&V) hereby provides the Division of Reclamation, Mining and Safety <br /> (Division)with a formal report regarding the March 4, 2018, lime slurry spill that occurred at upstream end of the <br /> leach circuit at the High Grade Mill(HGM). <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 /> • At 1:30 am, the control room operator received an alarm indicating low pressure on the lime line and <br /> another alarm indicating that lime storage was dropping rapidly. An operator was called to investigate <br /> and found a broken valve on the lime line at the top of the leach circuit(See photo 1). <br /> • After receiving the alarms the lime slurry pumps were immediately shut off,thus stopping the spill. <br /> • Approximately 300 gallons of lime slurry spilled on to the roof the adjacent MCC building. The <br /> slurry ran down the roof of the MCC building and pooled around the transformers on the north side of <br /> the building <br /> • A skidsteer was used to recover the lime slurry and the contaminated soil in front of the transformers. <br /> The soil was removed using an `over-excavation' approach. Depth of recovery was approximately six <br /> inches. <br /> • Approximately 10 cubic yards of lime slurry and soil were transported by the skidsteer to the tailings <br /> stockpile, located near the load out bin(LOB). The lime slurry and soil will be mixed into the tailings <br /> and placed on VLF2. <br /> 1 <br />