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20 August 2024 <br /> C-1994-082/Yoast Mine RAR <br />Number of Partial Inspection this Fiscal Year: 2 <br />Number of Complete Inspections this Fiscal Year: 1 <br />Page 2 of 5 <br />Inspection Topic Summary <br />NOTE: Y=Inspected N=Not Inspected R=Comments Noted <br /> V=Violation Issued NA=Not Applicable <br />R - Air Resource Protection <br />N - Availability of Records <br />NA - Backfill & Grading <br />NA - Excess Spoil and Dev. Waste <br />NA - Explosives <br />R - Fish & Wildlife <br />R - Hydrologic Balance <br />R - Gen. Compliance With Mine Plan <br />NA - Other <br />NA - Processing Waste <br /> <br />R - Roads <br />R - Reclamation Success <br />R - Revegetation <br />R - Subsidence <br />R - Slides and Other Damage <br />NA - Support Facilities on site <br />N - Signs and Markers <br />NA - Support Facilities Not on site <br />NA - Special Categories Of Mining <br />NA - Topsoil <br /> <br /> <br />COMMENTS <br /> <br />This was a partial inspection of the Yoast Mine, C1994082, operated by Seneca Property LLC. The <br />inspection was conducted, and the report prepared by me, Robin Reilley of the DRMS. Miranda Kawcak, <br />Seneca Properties Inc. representative was present throughout the inspection. No hydrologic or air quality <br />issues were detected at the time of inspection. The weather was partly cloudy, with slight breeze and <br />temperatures hovering around 85 degrees Fahrenheit. <br /> <br />INSPECTION <br /> <br />MAINTENANCE ITEMS <br />1. Decant structures at ponds 10 and 14 require repairs. <br />2. Cattails at Pond 12 flume entrance and along upstream portion of flow path should be removed. <br /> <br />GENERAL MINE PLAN COMPLIANCE: <br />Reclamation has been completed at the site with the exception of the hillside above Pond 12 and ponds <br />12, 13 and 14. These areas comprise approximately 120 acres of Phase I and II reclamation slated for full <br />phase III release this fall. <br /> <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 Maintenance <br />4.03.1(5) and (6); 4.03.2(5) and; Reclamation 4.03.1(7) I 4.03.2(7). <br />o Roads appeared stable and in good condition. <br />o No fugitive dust was noted. <br /> <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 />Pond banks appeared stable and well vegetated. Dams appeared stable and well vegetated with no signs <br />of seepage. Pond emergency spillways appeared to be functioning adequately. Decant structures are <br />aging and require updating. All ponds held water at the time of inspection. <br />o Pond 12 was discharging clear water at the time of inspection.