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. ~~ <br />~• <br />W M/N/NG.LLC <br />~• <br />SECOND QUARTER 2007 POND INSPECTION REPORT <br />Pond Inspection Date: June 28, 2007 <br />Miscellaneous Comments: <br />1. The SWMP control devices were inspected and all SWMP control devices were found to be in fair <br />condition. Performed further routine SWMP maintenance during the quarter on Elk Creek mine and <br />facility roads. Sumps in front of straw bales were cleaned, etc. Some straw bales replaced. <br />2. Outfall 011 - Outfall 011 formerly served as a mine water pond for the Sanborn Creek Mine. The <br />pond does not collect surface drainage. With closure of the Sanborn Creek Mine, the incised pond <br />associated with Outfall 011 serves no further hydrologic function. The pond currently provides an <br />ongoing location to place ditch cleaning materials from adjacent ditches. Outfal1011 has been removed <br />from CDPS Dischazge Permit CO-0000132. <br />3. Outfall 009 - (A Pond) is scheduled for sediment removal in 3`s quarter 2007. <br />4. Outfall 012 - (B Pond) is scheduled for sediment removal in 3`' quarter 2007. <br />5. Outfa11016 - (D Pond) is scheduled for sediment removal in 3`' quarter 2007. <br />6. Sediment and Water Level Determination -When sediment enters a pond, it is deposited unevenly, <br />usually collecting at the inlets rather than evenly across the bottom of the pond. Reported sediment levels <br />aze based upon the inspector's observations made throughout the quarter during routine inspections in <br />combination with knowledge of the pond structure. The reported pond water level is also determined by <br />observations relative to the various landmazks in the pond (depth to bottom, primary riser, etc.) <br />Notwithstanding comments above, ponds have been maintained as designed and in accordance with the <br />approved plan. <br />Inspected By: <br />James A. Kiger <br />~~PNO e4. <br />v _~ <br />Under Direction of: <br />Engineer No. 34286 <br />3737 Hwy 133 P.O. Box 535 Somerset, Colorado 81434 USA <br />TEL (970) 929-5122 • 4FAX (970) 929-5177 <br />