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May 26,2021 C-1981-012/New Elk Mine DC1 <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 Y -Roads <br /> N -Availability of Records Y -Reclamation Success <br /> Y -Backfill&Grading N -Revegetation <br /> Y -Excess Spoil and Dev. Waste N - Subsidence <br /> N -Explosives N - Slides and Other Damage <br /> N -Fish&Wildlife N - Support Facilities On-site <br /> Y -Hydrologic Balance N - Signs and Markers <br /> N -Gen. Compliance With Mine Plan N - Support Facilities Not On-site <br /> N -Other Y - Special Categories Of Mining <br /> Y -Processing Waste N -Topsoil <br /> CONIlVIENTS <br /> The New Elk site was photographed from an airplane by Brock Bowles of DRMS on May 26,2021. These photos <br /> were reviewed by Daniel Cunnigham of DRMS on May 28,2021. The weather was clear. <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 /> Ponds 001A,004A, 006A, 007A, and 008A were inspected.All ponds were observed with significant <br /> amounts of water.No ponds erosional issues were noted. <br /> PROCESSING WASTE/COAL MINE WASTE PILES—Rule 4.10 and 4.11 <br /> Drainage Control; Surface Stabilization; Placement: <br /> The DWDA 92 appears to have had material removed from the western end. Developmental Waste Pile <br /> and RDA appeared stable with no significant rills or erosion noted. <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 /> No issues noted with the roads. <br /> RECLAMATION SUCCESS -Rule 4.15,Rule 3: <br /> Vegetation appears to be adequate throughout the permitted area. <br /> SPECIAL CATEGORIES OF MINING—Rules 4.22 through 4.27: <br /> The Alluvial Valley Floor(AVF)along the Purgatoire River could be seen from the aerial photographs. <br /> The river appeared higher than normal. There was no sign of damage to the river or any indication of impact to the <br /> AVF. <br /> Number of Partial Inspection this Fiscal Year: 7 <br /> Number of Complete Inspections this Fiscal Year: 4 <br /> Page 2 of 7 <br />