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INSPECTOR'S NAME: Dennis Jones <br />NPDES I.D. NO.: CO- 0000221 D.P. 009 <br />FACILITY CONFIGURATION: Cross - Valley Pond <br />SITE NAME: Pond #009 <br />MINE NAME: Seneca II -W Mine (Seneca Coal Co) <br />MINE I.D. NO.: CMLRD Permit No. C -82 -057 <br />1. <br />2. <br />3. <br />4. <br />5. <br />6. <br />7. <br />8. <br />9. <br />10. <br />11. <br />12. <br />13. <br />14. <br />15. <br />16. <br />17. <br />18. <br />PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />DATE: _a - I� <br />DATE LAST INSPECTION: /61-S--( l <br />LOCATION: SE'% SW' %, Sec. 11, T5N, R88W <br />LOCATION: 8 mi. S of Hayden, CO <br />OWNER'S REP.: Roy Karo, Gen Mgr <br />Circle or write in appropriate response <br />Foundation preparation (removal of vegetation, stumps, topsoil: <br />Lift thickness: <br />Compaction according to approved plan: <br />Burning (specify extent and location): <br />Angle of slope: 3:1 upstream, 3:1 downstream <br />*Seepage (specify location, color, and approximate volume) <br />From underdrain pipes: <br />At isolated points on embankment slopes: <br />At natural hillside: <br />Over widespread areas: <br />From downstream foundation area: <br />"Boils" beneath stream or ponded water: <br />Cracks or scarps on crest: <br />Cracks or scarps on slope: <br />Sloughing or bulging on slope: <br />*Major erosion problems: <br />Surface movements in valley bottom or on hillside: <br />*Erosion of toe: <br />*Water impounded against toe: <br />Existing embankment freeboard: <br />Increase y/ Decrease in water level: <br />Cracks, bulging, or erosion on upstream face: <br />Visible sumps or sinkholes in slurry surface: <br />*Clogging <br />Spillway channels and pipes: <br />Decant system: <br />Diversion ditches: <br />19. *Cracking or crushing of pipes <br />Spillway pipes: <br />Decant system: <br />20. Trash racks clear and in place: <br />21. Discharge rate (gpm) <br />(normal = 6.9') <br />Yes <br />12 in. <br />Yes <br />No <br />Total = 6:1 <br />N/A <br />Yes 'o N/A <br />Yes i o N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes No N/A <br />Yes N., N/A <br />"1. feet <br />I feet <br />Yes Csb N/A <br />N/A <br />Yes TIC N/A <br />N/A <br />N/A <br />Yes No N/A <br />N A <br />No N/A <br />*Major adverse changes in these items could cause instability and should be reported to the <br />Engineering Manager and Mine Superintendent for further evaluation. Adverse conditions noted in <br />these items should normally be described (extent, location, volume, etc.) in the space on the <br />back of this sheet. <br />`1 <br />1` Lk.) 0 k V <br />a -3 <br />