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3 March 2022 C-1981-010/Trapper Mine RAR <br /> o Haul roads were damp and,as were access roads in L and N Pits. <br /> o Access roads to ponds were inaccessible throughout the site due to snowpack and mud. <br /> o Ditches appeared to be functioning adequately. <br /> SUPPORT FACILITIES—Rule 4.04 <br /> o The highest portion of the Ash pit is approaching final topography. <br /> o The Ash Pit exhibited a firm and flat for the most part surface. There was some evidence of tire <br /> tracks and minor rutting due to thawing conditions and moisture in spots. <br /> o No issues were observed requiring attention at the time of inspection. <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, <br /> 4.05.10;Diversions 4.05.4;Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Drainage-Acid <br /> and Toxic Materials 4.05.8;Impoundments 4.05.6,4.05.9; Stream Buffer Zones 4.05.18 <br /> Due to the snowpack and soft thawing ground,ponds were observed from the Haul Road above. <br /> Unless otherwise noted, pond banks and dams appeared stable at the time of inspection. Spillways and <br /> flumes were inaccessible at the time of inspection. The following pond systems were observed: <br /> a) No Name Ponds were snow and ice covered. <br /> b) Ice covered the Johnson system. <br /> c) East Middle Flume 91 held water at the time of inspection. The surface was covered with <br /> ice that appeared to be thawing. <br /> d) Middle Flume 93 was holding water. The surface was covered with ice that appeared to <br /> be thawing. It was not clear if discharge was occurring. A snow drift covered the <br /> spillway area. <br /> e) Middle Pyeatt appeared ice covered and about 60%full. <br /> f) Oak Pond appeared ice covered with a low level of water. The pond does not appear to <br /> be discharging. <br /> g) Some sumps along haul road were full of water and ice. <br /> TOPSOIL—RULE 4.06 <br /> Removal 4.06.2; Substitute Materials 4.06.4(4); Storage and Protection 4.06.3;Redistribution 4.06.4 <br /> o Topsoil piles appeared to be marked appropriately and vegetation poked through the snowpack. <br /> USE of EXPLOSIVES—Rule 4.08 <br /> General Requirements 4.08.1;Pre blasting survey 4.08.2;Public Notice of Blasting Schedule 4.08.3; <br /> Surface Blasting Requirements 4.08.4;Records of Blasting for Surface Coal Mining 4.08.5; <br /> Seismographic Measurements 4.08.6d stripping <br /> o A blast was observed in L pit. <br /> o Water was present in some drill holes causing poor combustion,creating a brownish red cloud. <br /> BACKFILL and GRADING—RULE 4.14 <br /> o Reclamation consists of benched overburden hauls awaiting grading. <br /> o Backfilling and grading of benched material is ongoing,but no backfilling activities were <br /> occurring at the time of inspection. <br /> FISH and WILDLIFE—RULE 4.18 <br /> Abundant wildlife is often observed throughout Trapper mine. Wildlife included red and white tailed <br /> hawks, and groupings of elk. <br /> Number of Partial Inspection this Fiscal Year: 7 <br /> Number of Complete Inspections this Fiscal Year: 3 <br /> Page 3 of 9 <br />