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Kurt Blunt <br /> Page 2 Of 2 <br /> 911/2019 <br /> .11 . 3 —There were no potential hazards identified 'in the 2,d Quarter Professional <br /> Certification for the Coal Processing waste Banks. <br /> Maintenance work conducted during the Tid quarter included spreading and compacting <br /> refuse onl - 4 and l 1 -- a. Eight compaction tests were performed during the quarter. <br /> All of the tests yielded results of 90% proctor values or higher. There were no <br /> indications of seepage or any indications of slope failure. The slopes of the piles are <br /> stable and only some localized erosion has occurred. The surface drainage facilities are <br /> properly conveying surface runoff from the refuse bank areas. <br /> This concludes the Division's review of the "d Quarter 2019Professional Certification of <br /> the Coal Processing waste Barks for the Deserado Mine. If you have any questions, <br /> please contact me at(303)-866-3567 x 8144 or layton. ►rein tare. o.0 . <br /> Sincerely, <br /> r <br /> Clayton wein <br /> Environmental Protection Specialist <br />