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December 18, 2019 C-1981-028/Keenesburg Strip Mine RDZ <br /> Inspection Topic Summary <br /> NOTE: Y=Inspected N=Not Inspected R=Comments Noted V=Violation Issued NA=Not Applicable <br /> Y -Air Resource Protection R -Roads <br /> R -Availability of Records R -Reclamation Success <br /> NA -Backfill&Grading Y -Revegetation <br /> NA -Excess Spoil and Dev. Waste NA - Subsidence <br /> NA -Explosives Y - Slides and Other Damage <br /> Y -Fish&Wildlife R - Support Facilities On-site <br /> R -Hydrologic Balance Y - 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 R -Topsoil <br /> COMMENTS <br /> A complete inspection was conducted by Rob Zuber and Michael Cunningham of DBMS and Danny Kipp of <br /> Coors Energy Company(CEC). The weather was clear and cool. The ground was frozen, and only a small amount <br /> of snow was seen. <br /> AVAILABILITY OF RECORDS—Rule 5.02.4(1): <br /> The records were found to be complete. <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 /> Very little water was observed in the two ponds, and neither pond was discharging during the inspection. <br /> There were no signs that they had discharged recently.No problems were observed with the two ponds. <br /> An American Environmental employee was seen onsite monitoring the new wells installed per CDPHE <br /> requirements. <br /> ROADS—Rule 4.03 <br /> Construction 4.03.1(3)/4.03.2(3),Drainage 4.03.1(4)/4.03.2(4), Surfacing and Maintenance4.03.1(5) and <br /> (6)/4.03.2(5) and(6), Reclamation 4.03.1(7)/4.03.2(7): <br /> The road south of Sediment Pond 2 has been reclaimed(including seeding), and there was mulch spread <br /> over this area. <br /> RECLAMATION SUCCESS -Rule 4.15, Rule 3: <br /> No erosion or other problems were seen with any reclamation parcels. Per Danny Kipp,Parcel 25 was <br /> mowed in September 2019, and pre-emergent was used for cheat grass control. <br /> Number of Partial Inspection this Fiscal Year: 3 <br /> Number of Complete Inspections this Fiscal Year: 2 <br /> Page 2 of 7 <br />