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August 28, 2014 C- 1981- 008/New Horizon Mine RDZ <br />Inspection Topic Summary <br />NOTE: Y= Inspected N =Not Inspected R= Comments Noted V= Violation Issued NA =Not Applicable <br />• -Air Resource Protection <br />• -Availability of Records <br />N - Backfill & Grading <br />NA - Excess Spoil and Dev. Waste <br />NA - Explosives <br />N - Fish & Wildlife <br />R - Hydrologic Balance <br />N - Gen. Compliance With Mine Plan <br />N - Other <br />NA - Processing Waste <br />N -Roads <br />N - Reclamation Success <br />N - Revegetation <br />NA - Subsidence <br />N - Slides and Other Damage <br />N - Support Facilities On -site <br />N -Signs and Markers <br />NA - Support Facilities Not On -site <br />N - Special Categories Of Mining <br />N -Topsoil <br />COMMENTS <br />A partial inspection was conducted by Rob Zuber of DRMS on August 28, 2014. The Tri-State employee who <br />participated in the field inspection was Ross Gubka, Chief Engineer. The weather was partly cloudy and warm. <br />The ground was mostly 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 />Near Pond 013, Tuttle Draw was inspected. There are no buffer zone markers in place, and the permit <br />application package does not indicate a buffer zone around Tuttle Draw, but it appears that there should be one for <br />this receiving water since the drainage area is greater than a square mile. Disturbance related to mine activities, <br />namely Pond 013, are less than 100 feet from the draw. <br />The proposed location of the pipe for discharging spoil spring water (the trench drain of TR -63 and TR -64) was <br />inspected. This proposed location is within 100 feet of Tuttle Draw, and the buffer zone issue (discussed above) is <br />pertinent to the trench drain project. <br />Pond 013 was discharging clear water. The water level was right above the invert of the valves. The pond has a <br />sulfuric smell and there was a large amount of algae in the pond. No problems were found with the pond <br />structures. <br />Calamity Draw was inspected near Pond 007. Buffer zone markers are in place, and the only disturbance within <br />100 feet of the draw is a pump station. <br />Pond 007 was discharging a large volume of clear water. Most or all of this water appears to be irrigation return <br />Number of Partial Inspection this Fiscal Year: 2 <br />Number of Complete Inspections this Fiscal Year: 0 <br />Page 2 of 5 <br />