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August 15, 2012 C- 1981- 044/Williams Fork Mines ZTT <br />Inspection Topic Summary <br />NOTE: Y= Inspected N =Not Inspected R= Comments Noted V= Violation Issued NA Applicable <br />N - Air Resource Protection N - Roads <br />N - Availability of Records N - Reclamation Success <br />N - Backfill & Grading N - Revegetation <br />N - Excess Spoil and Dev. Waste N - Subsidence <br />N - Explosives N - Slides and Other Damage <br />N - Fish & Wildlife N - Support Facilities On -site <br />R - Hydrologic Balance R - Signs and Markers <br />R - Gen. Compliance With Mine Plan N - Support Facilities Not On -site <br />N - Other N - Special Categories Of Mining <br />N - Processing Waste R - Topsoil <br />COMMENTS <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 />NPDES 022 was inspected. No discharge was observed during the time of inspection. The NPDES point is <br />measured by a v -notch weir which was clear of all vegetation. <br />The No. 5 Mine Dewatering pump was still not operating at the time of inspection. Minimal water was held by <br />Ponds 5 -P5, 5 -P6 and 5 -P7 with no discharge. The rodent holes along the embankments noted in previous <br />inspections of Pond 5 -P5 have been filled. Ponds 5 -P5, 5 -P6 and 5 -P7 were well vegetated and stable. NPDES 003 <br />was inspected and no discharge was occurring during the time of the inspection due to the dewatering pump being <br />out of service. Previous weed spraying along the embankments appears to effective. Knapweed patches and thistle <br />around the area are either dead or appear to be dying. <br />The No. 5 Mine Dewatering pump station SAE was inspected. The area consists of a gravel pad and is stable. No <br />erosion was observed to be leaving the site. <br />Ponds HR -PIa and HR -P lb were dry during the time of inspection. The embankments were well vegitated and <br />stable. <br />Facility ponds and drainage were inspected. All surface drainage from the facility area is captured by drainage <br />ditches lining the western edge. It is then directed north into a vegetative buffer and finally into Ponds 5 -P 1, 5 -P2 <br />and 5 -P3 before final discharge. Ponds embankments were well vegetated, stable and dry. <br />Number of Partial Inspection this Fiscal Year: 2 <br />Number of Complete Inspections this Fiscal Year: 0 <br />Page 2 of 3 <br />