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<br />PERIODIC INSPECTION FORN <br />Water, Sediment, or Slurry ITmpoundment~~( <br />INSPECTOR'S NAME: Dennis Jones DATE: '1~~~ -~ <br />NPDES I.D. NO.: N A y _ IG, Qy <br />FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: J 1 <br />SITE NAME: Shill Control Pond No, 2 LOCATION: NW'/a NE'/e, Sec. 34, T6N, R87W <br />MINE NAME: Seneca Mine II (Seneca Coal Col LOCATION: 7.1 mi. SE of Hayden, CO <br />MINE I.D. NO.: CDMG Permit No. C-80-005 OWNER'S REP.: Greaa Kitchen, Gen Mar <br />Circle Or WI'lte In a0AI0Ariate rBBDOIIBe <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: <br />3. Compaction according to~approved plan: N A <br />4. Burning (specify extent and location): NL <br />5. Angle of slope: upstream, downstream Total = <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: <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 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. *Maj or 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 No N/A <br />14. Existing embankment freeboard: (normal = 7.0') ~ feet <br />15. Increase Decrease in water level: L.U c~.n4~y feet <br />16. Cracks, bulging, or erosion on upstream face: Yes ~ N/A <br />17. Visible sumps or sinkholes in slurry surface: NLA <br />18. *Clogging <br /> Spillway channels and pipes: Yes No N/A <br /> Decant system: NL <br /> Diversion ditches: NL <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: NL <br /> Decant system: NL <br />20. Trash racks clear and in place: NLA <br />*Maj or 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 />