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999 <br /> REC VE'. <br /> SUNNYSIDE GOL33 CORPORAvoic <br /> AN ECHO DAY COMPANY <br /> Division cf ,",inerals&G ;„ <br /> P.O. Box 177 .Silverton, CO 81433 <br /> Phone (303) 387-5533 .Telecopy (303) 387-5310 Received <br /> March 23, 1998 <br /> CAR 2 41998 <br /> Durand Field Office <br /> Ms. Sarah Johnson Division of f �°iarals&Geology <br /> Permits & Enforcement Division <br /> Colorado Department of Public Health and Environment SO4o%ystdc Aye <br /> WQCD-PE-B2 r-**A- -77.37$ <br /> 4300 Cherry Creek Drive South <br /> Denver, CO 80246-1530 <br /> RE: February 1998 Monthly Report and DMRs for CDPS Permit No. CO- <br /> 0044768 - Mine Remediation Projec s, an Juan County <br /> Dear Ms. Johnson: <br /> The following is submitted to satisfy the February monthly and DMR <br /> reporting requirements for CDPS Permit No. CO-0044768 - Mine <br /> Remediation Projects and the related Consent Decree agreement. <br /> Project Status: QCr <br /> u rr 0 ECEI Yi/LiC[ <br /> m' <br /> A List Projects <br /> - American Tunnel Mine Waste Dump }° () ' 11.0 <br /> 0 <br /> - Boulder Creek Tailings Project Division of Minerals&Geolo- Surface Mill Tailings at Eureka g <br /> - Gold Prince - Mill Tailings <br /> - Ransom Tunnel <br /> - Longfellow - Koehler Mine Waste Project <br /> A Koehler portal discharge sample was taken in February to <br /> improve the site database. The results from this sample are <br /> attached. <br /> - Pride of the West Tailings <br /> These projects were completed and accepted by DMG as complying with <br /> the Consent Decree work plans and MLR Standards in 1997 . <br /> Monitoring and maintenance is the only additional work planned for <br /> these sites. <br /> - Sunnyside Mine Pool Mitigation - Alkaline Solution Injection <br /> This project was not active in February. The water pool pH, at the <br /> American Tunnel bulkhead, on February 26, 1998 was 3 . 45 and the <br /> bulkhead pressure was 331 psi. This type of pH drop also occured in <br />