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_ PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Imp/o'undments <br />INSPECTOR'S NAME: Dennis Jones DATE: G-~G -G Z <br />NPDES I.D. NO.: N/A <br />FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: ~ ~~~ _ ~ Z <br />SITE NAME: Truck Wash Settling Pond LOCATION: NW'/< NE'/a, Sec. 34, T6N, R87W <br />MINE NAME: Seneca II Mine (Seneca Coal Co) LOCATION: 7.1 mi. SE of Hayden, CO <br />MINE I.D. NO.: CDMG Permit No. C-80-005 OWNER'S REP.: Gregg Kitchen, Gen Mqr <br />Circle Or Write in aTJp rOPrlate reSPOnSe <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: N/A inches <br />3. Compaction according to approved plan: NLj~ <br />4. Burning (specify extent and location): <br />5. Angle of slope: upstream, downstream Total = N/A <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: <br /> At isolated points on embankment slopes: <br /> At natural hillside: N/A <br /> Over widespread areas: N1?+ <br /> From downstream foundation area: <br /> "Soils" beneath stream or ponded water: Yes ~ N/A <br />7. Cracks or scarps on crest: <br />8. Cracks or scarps on slope: <br />9. Sloughing or bulging on slope: NL <br /> <br />10. *Major erosion problems: Yes ©o N/A <br />11. Surface movements in valley bottom or on hillside: <br />12. *Erosion of toe: NL <br />13. *Water impounded against toe: <br />14. Existing embankment freeboard: (normal = 5.0'I <U feet <br /> ~ <br />15. ky~ <br />Increase Decrease in water level: ~ O c feet <br />16. Cracks, bulging, or erosion on upstream face: <br />17. Visible sumps or sinkholes in slurry surface: N A <br />18. *Clogging <br /> <br /> Spillway channels and pipes: Yes ~ N/A <br /> Decant system: <br /> Diversion ditches: <br />19. *Crac king or crushing of pipes <br /> Spillway pipes: Yes O N/A <br /> Decant system: NL <br />20. Trash racks clear and in place: es 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 <br />in these items should normally be described (extent, location, volume, etc.) in the space on <br />the back of this sheet. <br />