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STATE OF COLORADO <br />DIVISION OF RECLAMATION, MINING AND SAFETY <br />Department of Natural Resources <br />1313 Sherman St., Room 215 <br />Denver, Colorado 80203 <br />Phone: (303) 866-3567 <br />FAX: (303) 832-8106 <br />June 25, 2008 <br />Steve Leach <br />Chevron Mining, Inc <br />116 Inverness Drive East, Suite 207 <br />Englewood, CO 80203-2273 <br />RE: Edna Mine, Permit C-80-001 <br />May 2008 Discharge Monitoring Report Review <br />Dear Mr. Leach, <br />COLORADO <br />D IV IS I ON OF <br />RECLAMATION <br />MINING <br />SAFETY <br />Bill Ritter, Jr. <br />Governor <br />Harris D. Sherman <br />Executive Director <br />Ronald W. Cattany <br />Division Director <br />Natural Resource Trustee <br />The Colorado Division of Reclamation, Mining, and Safety (CDRMS) has reviewed and found the <br />above referenced report to be in compliance with Rule 4.05.13(2). The May 08 Discharge Monitoring <br />Reports were received by the Division on 24 June 2008, the reports cover the time period from 01 May <br />2008 through 31 May 2008. <br />The two NPDES outfalls at the Edna Mine discharged during May 08. DMP 004A and DMP 007A <br />exceeded compliance criteria for the 30-Day Average Effluent Flow. These exceedances are likely due <br />to spring run-off from an above average snowfall. <br />It is noted that based on a Memorandum of Understanding between the Division of Reclamation, <br />Mining and Safety and the Water Quality Control Division (WQCD), the WQCD will be responsible <br />for enforcing CDPS permit conditions including effluent limitations. Kelly Morgan of WQCD <br />acknowledged the effluent flow exceedances for the May 2008 DMRs and any future enforcement <br />actions will be forwarded to the Division. <br />Thank you for the timely submittal. <br />If you have any questions feel free to contact me. (303) 866-6424 <br />Sincerely, <br />Jason Music <br />Environmental Protection Specialist <br />Cc: Beth Heesen, WWC Engineering, 611 Skyline Road, Laramie, WY 82070 <br />Dan Hernandez, DRMS <br />Office of Office of <br />Mined Land Reclamation Denver • Grand Junction • Durango Active and Inactive Mines