2010-09-13_INSPECTION - C1981008

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September 1, 2010 C- 1981- 008/New Horizon Mine MLT Inspection Topic Summary NOTE: Y= Inspected N =Not Inspected R= Comments Noted V =Violation Issued NA =Not Applicable Y - Air Resource Protection R -Roads R - Availability of Records Y - Reclamation Success Y - Backfill & Grading R - Revegetation NA - Excess Spoil and Dev. Waste NA - Subsidence NA - Explosives NA - Slides and Other Damage R - Fish & Wildlife Y - Support Facilities On -site R - Hydrologic Balance Y -Signs and Markers R - Gen. Compliance With Mine Plan NA - Support Facilities Not On -site R - Other R - Special Categories Of Mining NA - Processing Waste R - Topsoil COMMENTS AVAILABILITY OF RECORDS — Rule 5.02.4(1): • A completed "DRMS Availability of Records" form is attached. FISH and WILDLIFE — Rule 4.18: A red fox was sighted moving along the western permit boundary between the WFC and Enstrom properties. • Several swallows were busily circling and feeding in the airspace above Pond 011. Closer to the surface of the water, numerous small, vivid blue dragonflies were observed. HYDROLOGIC BALANCE - Rule 4.05 Drainage Control 4.05.1, 4.05.2, 4.053; Siltation Structures 4.05.5, 4.05.6; Discharge Structures 4.05.7, 4.05.10; Diversions 4.05.4; Effluent Limits 4.05.2; Ground Water Monitoring 4.05.13; Surface Water Monitoring 4.05.13; Drainage — Acid and Toxic Materials 4.05.8; Impoundments 4.05.6, 4.05.9; Stream Buffer Zones 4.05.18: • The water level in Pond 007 was high enough for discharge to be occurring through the V -Notch weir (Photo 1) and into Calamity Draw. • At Pond 008, the inslopes are reasonably well- vegetated. No discharge was occurring, as the water level remained too low. • On the southern in -slope of Pond 009, WFC had completed the installation of a set of twin 4 -inch pipes (Photo 2) to capture water that collects in a low point in the diversion ditch and transport it to the pond floor, preventing erosion of the slope. A small pool of water was present at the far western end of the pond. • The in- slopes of Pond 011 appeared to be stable and were reasonably well vegetated. A patch of rushes was thriving at the inlet to the pond, and there was a substantial amount of aquatic vegetation beneath the pond surface. • Pond 012 (Photo 3) exhibits some minor n1ling on the southern inslope, but the surface appears to be stable and the rills are not increasing in size or number. A diversion ditch which carries flow to the south to the riprapped ditch in the middle of the pond had become filled with sediment by recent storm events. Mr. Gubka indicated that the ditch would be cleaned out to restore the ability to carry flow. Number of Partial Inspection this Fiscal Year: 2 Number of Complete Inspections this Fiscal Year: 1 Page 2 of 10