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<br />Colorado Division of Reclamation, Mining and Safety <br />To: Rob Zuber <br />From: Janet Binns <br />CC: Jason Musick <br />Date: December 26, 2018 <br />Re: Bowie No. 1, TR65 <br /> <br />The Division has received a technical revision (TR65) for Bowie No. 1 Mine. The mine <br />is a reclaimed underground mine. No mining or mining activity is occurring on the <br />ground. Activities occurring on the site are limited to maintenance, weed management <br />and monitoring activities. The operator has previously been approved to reclaim two <br />ponds at the West Mine in East Roatcap creek. This reclamation has not yet commenced. <br />The approved water monitoring plan can be found in Permit Volume 4. <br />BRL is proposing to reduce surface water monitoring to one full suite per year. BRL is <br />proposing to reduce full suite water quality monitoring from twice per year to once per <br />year for site SW-1 on Stevens Gulch and site SW-6 on East Roatcap Creek. <br />TR65 proposes to reduce full suite groundwater sampling on wells, B-7, SM-1, SM-5, <br />SM-6, SM-7 SM-9, SM10 and SM-11 from two to one time per year. <br />Please review these proposed water-sampling reductions for compliance with Rule <br />4.05.13. Will the proposed reduction of monitoring still allow the Division to adequately <br />evaluate water quality trends over time? <br />The revision was deemed complete on December 26, 2018. A preliminary adequacy <br />letter will be sent to the operator by January 25, 2019. Please let me know of any <br />concerns or questions you have for the operator prior to that date. Thank you for your <br />assistance.