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PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Dennis Jones <br />NPDES I.D. NO.: CO-0000221 D.P. 011 <br />FACILITY CONFIGURATION <br />SITE NAME: Pond #011 <br />Cross-Valley Pond <br />MINE NAME: Yoast Mine(Seneca Coal Cc) <br />MINE I.D. NO.: CMLRD Permit No. C-94-082 <br />DATE : ! 1- (0 <br />DATE LAST INSPECTION: C - to ( 0 <br />LOCATION: NE% SWV4,Sec. 16, TSN, R87W <br />LOCATION: 8.5 mi. SE of Hayden, CO <br />OWNER'S REP.: Roy Karo, Gen Mgr <br />Circle or write in appropriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: 8 in. <br />3. Compaction according to approved plan: Yes <br />4. Burning (specify extent and location): No <br />5. Angle of slope: 3.0:1 upstream, 2.8:1 downstream Total = 5.8:1 <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yes No N/A <br /> At isolated points on embankment slopes: Yes No N/A <br /> At natural hillside: Yes No N/A <br /> Over widespread areas: Yes No N/A <br /> From downstream foundation area: Yes No N/A <br /> "Boils" beneath stream or ponded water: Yes No N/A <br />7. Cracks or scarps on crest: Yes <br />l No N/A <br />8. Cracks or scarps on slope: Yes No N/A <br />9. Sloughing or bulging on slope: Yes No N/A <br />10. *Major erosion problems: Yes No N/A <br />11. Surface movements in valley bottom or on hillside: Yes No N/A <br />12. *Erosion of toe: Yes No N/A <br />13. *Water impounded against toe: Yes N N/A <br />14. Existing embankment freeboard: (normal = 5.11) L(-.-0 eet <br />15. Increase :?L Decrease in water level: SZ feet <br />16. Cracks, bulging, or erosion on upstream face: Yes ? N/A <br />17. Visible sumps or sinkholes in slurry surface: N/A ' <br />18. *Clogging <br /> Spillway channels and pipes: Yes N/A <br /> Decant system: N/A <br /> Diversion ditches: N/A <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes (g° N/A <br /> Decant system: N/A <br />20. Trash racks clear and in place: No N/A <br />21. Discharge rate (gpm) 0 <br />*Major adverse changes in these items could cause instability and should be reported to <br />the Engineering manager and mine Superintendent for further evaluation. Adverse <br />conditions noted in these items should normally be described (extent, location, volume, <br />etc.) in the space on the back of this sheet. <br />C4L -Fx 'S ?lz, <br />C? ?eCal <br />Pe, co _AA S_ <br />L __ ? Z, U-1 C? ? _s <?:_- ?,=< (,- a--Q,