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PERIODIC INSPECTION FORM <br />WATER, 8EDIMENT, OR SLURRY IMPOUNDMENTS <br />Inspectors Namet ~~"` ~ °~'°~ <br />NPDEB ID. No.: CO-0000213 003 <br />Facility Configurations Sidehill Pond <br />Site Name: Impoundment # 003 <br />Mine Namet New Horizon Mine Nestern Fuels-Co <br />Mine ID No.tCMLRD Permit 60008-81 <br />Owners Rep.t R, L. Node, Mine Manager <br />Dater g~b(9y <br />Date Last Inspectedt ~-5- <br />Location: 47Ni5N31CB <br />Locationt2 mi. NN of Nucla, Co. <br />CIRCLE OR NRITE IN APPROPRIATE RESPONSE <br />1. Foundation Preparation (removal of vegetation, stumps, topsoil) es No N/A <br />2. Lift thickness (inches): Yes No <br />3. Compaction according to approved plan: ® No N/A <br />4. Burning (specify extent and locations Yes ~ N/A <br />5, Angle of slope: 3:1 upstream, 3:1 downstream, Total = 6:1 <br />b. Seepage (specify location, colmr, and approx. volume) <br /> From underdrain pipes: Yes No~ <br /> At isolated points on embankment slopes: Yes n N/A <br /> At natural hillside: Yes ® N/q <br /> Over widespread areas: Yes o N/A <br /> From downstream foundation area: Yes N/A <br /> °Boils° beneath stream or ponded water: Yes ~ N/A <br />7. Cracks or scarps on crest: Yes m N/A <br />S. Cracks or scarps on slope: Yes a N/A <br />9. Sloughing or bulging on slope: Yes ~ o N/A <br />10. +Major erosion problems: Yes o N/A <br />11. Surface movements in valley bottom or on hillside: Yes No N/R <br />12. *Erosion o4 toe: Yes o N/A <br />13. tWater impounded against tae: Yes o N/R <br />14. Existing embankment freeboard (feet): 2 Feet <br />15. increase or ~ decrease in water level (feet): / Feet <br />26. Cracks, bulging, or erosion on upstre _ <br />am face: Yes N/A <br />17. Visible sumps or sinkholes in slurry surface: Yes N/A <br />18. ;Clogging <br /> Spillway channels and pipes: Yes No Nom/ ~ <br /> Decant system: Yes No N/A, <br /> Diversion ditches: Yes ~ N/A <br />19. +Cracking qr crushing mf pipes <br /> Spillway pipes: Yes No N A <br /> Decant system: Yes No . <br />20. Trash racks clear and in place: Yes No N/A <br />*Major adverse changes to these items <br />to the Chief Engineer and Mine Manager <br />noted in these items should normally <br />on page two of this inspection form. <br />instability and should be reported <br />valuation. Adverse conditions <br />Intent, location, volume, etc.) <br />could cause <br />for fur <br />be R8 <br /> <br />q, 9~F <br />