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U\ <br /> NEWMONT 104iw <br /> Newmont Wining Corporation <br /> Cnpple C,eeh&Victor Gold Mining Comp,ary <br /> 100 North 3" St—et <br /> JUN 0 4 2018 °QBox O 80860 <br /> DIVISION OF RECLAMATION `^vw newn,nnt c.am <br /> MINING AND SAFETY <br /> SENT CERTIFIED, RETURN RECEIPT REQUESTED <br /> 7017-2400-0000-4077-8784 <br /> May 31, 2018 <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: Project, Permit No. M-1980-244; <br /> Technical Revision(TR-100) Preliminary Adequacy Review <br /> Dear Mr. Cazier: <br /> On April 10, 2018, the Cripple Creek and Victor Gold Mining Company (CC&V) submitted a <br /> Technical Revision (TR) #100 proposing to conduct a liner integrity investigation in the <br /> immediate area impacted by the December 16, 2017 Squaw Gulch Valley Leach Facility (VLF2) <br /> slough. On May 21, 2018, CC&V received Preliminary Adequacy Review comments from the <br /> Division of Reclamation, Mining and Safety(DRMS). Please see the responses below to address <br /> the outstanding adequacy concerns; DRMS' comments in italics with Newmont's response to <br /> comments in bold. <br /> 1) Monitoring results submittal schedule: The third paragraph on page 2 of the TR request commits to <br /> daily leak detection monitoring. Furthermore, the signed consent agenda dated April 12, 2018 <br /> commits to weekly sampling of the VLF2 (a.k.a. Squaw Gulch Valley Leach Facility) underdrain <br /> system and providing results of both the sampling efforts to the Division on a monthly basis. The <br /> Division has received no sampling results to date. When will CC&V begin providing these monthly <br /> reports? <br /> CC&V has provided Underdrain sampling results and Leak Detection Sump inspection records <br /> for the period of April 25, 2018 to May 21, 2018. CC&V commits to providing the remaining <br /> results and records on the first Monday of each month until the liner has been recertified. <br />