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C <br />10.4 Blast (Seismic) Monitoring <br />Previously agreed upon commitments by CC&V for monitoring of blasting <br />activities and effects will be continued as part of the MLE activities. The two <br />agreements pertinent to blast monitoring are: <br />• CC&V will monitor ground motion in the vicinity of the Main Cresson <br />Mine and North Cresson Mine area during production blasting until <br />sufficient information is collected to affirm that sensitive structures are not <br />subjected to a ppv of >0.5 ips stet. <br />• CC&V has installed two permanent seismographic blast monitoring sites <br />within the City of Victor. <br />• CC&V has installed one permanent seismograph blast monitoring site <br />within the town of Goldfield. <br />• • CC&V will install an additional permanent seismograph monitor in the <br />City of Cripple Creek. <br />Existing monitoring has verified blasting projections, and supplemental <br />operations under the MLE will not negatively impact neighboring communities. <br />MLE operations will be in compliance with standards. These monitors will <br />continue to be operated for the Cresson Project unless a specific request is made <br />to the OMLR to halt monitoring at any location. <br />• <br />Cripple Creek & Victor Gold Mining Company <br />Cresson Project Mine Life Extension <br />10-9 <br />