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June 28, 2022 PF.Id/PF.Site Name RDZ <br /> Inspection Topic Summary <br /> NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA=Not Applicable <br /> N -Air Resource Protection NA - Roads <br /> N -Availability of Records R -Reclamation Success <br /> NA -Backfill& Grading R -Revegetation <br /> NA -Excess Spoil and Dev. Waste NA - Subsidence <br /> NA -Explosives N - Slides and Other Damage <br /> N -Fish& Wildlife R - Support Facilities On-site <br /> R -Hydrologic Balance R - Signs and Markers <br /> Y -Gen. Compliance With Mine Plan NA - Support Facilities Not On-site <br /> N -Other NA - Special Categories Of Mining <br /> NA -Processing Waste NA -Topsoil <br /> COMMENTS <br /> A partial inspection was conducted by Rob Zuber of DRMS on June 28,2022. No Coors Energy Company(CEC) <br /> representative was present at the inspection. <br /> The site is in Permanent Cessation. Reclamation activities were completed in the fall of 2020. However, due to <br /> poor success in some areas, Coors Energy reclaimed these areas a second time in spring 2022. <br /> The weather was hot and clear,and the ground was dry. <br /> HYDROLOGIC BALANCE -Rule 4.05 <br /> Drainage Control 4.05.1,4.05.2,4.05.3; Siltation Structures 4.05.5,4.05.6; Discharge Structures 4.05.7,4.05.10; <br /> Diversions 4.05.4;Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water Monitoring 4.05.13; <br /> Drainage—Acid and Toxic Materials 4.05.8; Impoundments 4.05.6,4.05.9; Stream Buffer Zones 4.05.18: <br /> The Dugout Pond contained little to no water(thick vegetation obscures the bottom). It was not discharging <br /> during the inspection. There were no signs that either pond had discharged recently. No problems were observed. <br /> RECLAMATION SUCCESS -Rule 4.15,Rule 3: <br /> No erosion problems were seen onsite. The reclaimed areas that were inspected include the eastern portion of the <br /> Long Term Spoil Area,recently reclaimed roads,the reclaimed topsand stockpile area south of the facilities, and <br /> Area 34. <br /> Number of Partial Inspection this Fiscal Year. 8 <br /> Number of Complete Inspections this Fiscal Year 4 <br /> Page 2 of 5 <br />