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M <br />BLUE <br />MOUNTAIN <br />ENTERGY, INC. <br />A Subsidimy of <br />Desert Generation @ <br />Tmnsmssion Coaperiolive <br />Dear Jim: <br />October 13, 2003 <br />Mr. Jim Stark <br />Division of Minerals and Geology <br />1313 Sherman Street, Room 215 <br />Denver, CO 80203 <br />ACT ~ ~' ?003 <br />division o1/ninernls an~Geelc-~, <br />RE: Professional Certification for the Coal Processing Waste Bank at the <br />Deserado Mine. <br />Permit No. C-1981-018 <br />During the third quarter of 2003, qualified persons working under my direction and I <br />conducted a series of compliance inspections on the active coal processing waste banks <br />located within the Deserado permit area. These inspections were conducted roughly on a bi- <br />weeklybasis. <br />I am a professional engineer registered in the State of Colorado and my experience fulfills the <br />requirements of the Colorado Surface Coal Mining Reclamation Act. <br />The purpose of these inspections and subsequent certification is to ensure proper construction <br />of the refuse piles and to satisfy the requirements of Rule 4.10.2 of the Colorado Mined Land <br />Reclamation Board. <br />INSPECTION OF ACTNE AREAS 2-3 4 and Sa <br />There are no apparent points of seepage, or indications of slope failure on the active piles. <br />The surface drainage facilities were adequately maintained and were working properly to <br />convey surface runoff. Sediment control structures need periodic maintenance and are <br />cleaned out as conditions warrant. <br />The following maintenance work was completed since the last quarterly report: <br />1. Finished placement and compaction of material from the winter storage area on the <br />south central end of Refuse Area Sa. <br />2. Continued placement and compaction of material on Refuse Area 2/3/4. <br />3. Maintained side slopes of 2/3/4. <br />4. Cleaned out east cell of 2/3 pond. <br />Our permit requires no sub-drain system, as geotechnical investigations for the disposal site <br />revealed no groundwater present. <br />3607 County RD #65 <br />[inngely, CO 81648 <br />970675-4300 <br />rnx 970675-0399 <br />