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September 29, 2016 C-1981-025/North Thompson Creek Mine CCW <br /> <br /> <br />Number of Partial Inspection this Fiscal Year: 0 <br />Number of Complete Inspections this Fiscal Year: 1 <br /> <br /> Page 2 of 9 <br /> <br /> <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 <br />R - Availability of Records <br />N - Backfill & Grading <br />N - Excess Spoil and Dev. Waste <br />N - Explosives <br />Y - Fish & Wildlife <br />R - Hydrologic Balance <br />N - Gen. Compliance With Mine Plan <br />N - Other <br />N - Processing Waste <br /> <br />R - Roads <br />R - Reclamation Success <br />N - Revegetation <br />N - Subsidence <br />N - Slides and Other Damage <br />N - Support Facilities On-site <br />R - Signs and Markers <br />N - Support Facilities Not On-site <br />N - Special Categories Of Mining <br />N - Topsoil <br /> <br /> <br />COMMENTS <br /> <br />This was a compete inspection of the North Thompson Creek Mines by Clayton Wein of the Division of <br />Reclamation, Mining and Safety (the Division). There was not a company representative present for the <br />ispections due to the site being inactive. The weather was cloudy with a temperatur of 65 degrees Farenheight. <br />The ground conditions were mostly dry with a few areas that were damp from precipitation events prior to the <br />inspection. The Permit Area for the North Thompson Creek Mies has been mostly Phase III Released, the <br />remaining 4.1 acres of the permit include areas to support the post mining land use. <br />AVAILABILITY OF RECORDS – Rule 5.02.4(1): <br /> The records for the North Thompson Creek Mines are kept at the County Courthouse in Glenwood <br />Springs. The records are in good condition. There are Items in the records that need to be updated. Please <br />see the Availability of Records form at the end of this report for more details. <br />The Insurance Certificate in the permit has expired, please update the records with the current certificate. <br />Other information on the Availability of Records form in bold font are items that need to be updated. <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, 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 /> The ponds remaining at the North Thompson mine site are a part of the passive treatment system for the <br />water discharging from the mine portals. <br /> <br />The water is piped across North Thompson creek from the No. 1 portal and along the county road from the No. 3 <br />portal. Both pipes divert the water to the Long Pond. The Long Pond has cattails to help reduce the amount of <br />suspended solids and iron in the water. The water entering the Long Pond from the No. 1 pipe was discharging at <br />an approximate rate of 10 to 12 gallons per minute. The No. 3 pipe was discharging at about 5 to 7 gallons per <br />minute (Photo 1). The embankments of the Long Pond were well vegetated and stable. There were no indications