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PERIODIC INSPECTION FORM <br />• Water, Sediment, or Sluzry Impoundments <br />INSPECTOR'S NAME: Dennis Jones DATE: ~ ~I G ~ 6 <br />NPDES I.D. NO.: N/A <br />FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: ` Z~ 3 `d S <br />SITE NAME: Spill Control Pond No. 2 LOCATION: NWs/, NEB/.. Sec. 34. T6N, R87W <br />MINE NAME: Seneca Mine II (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.: Greaa Kitchen, Gen Mar <br />Circle or write in aogropriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: <br />3. Compaction according to approved plan: <br />4. Burning (specify extent and location): <br />5. Angle of slope: upstream, downstream Total = <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: NL <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, *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/A <br />14. Existing embankment freeboard: (normal = 7.0') ~ feet <br />15. Increase Decrease in water level: ~ f <br />e <br />et <br />16. Cracks, bulging, or erosion on upstream face: Yes ~ <br />^~ <br />V N/A <br />17. Visible sumps or sinkholes in slurry surface: N A <br />18. *Clogging <br /> Spillway channels and pipes: Yes No N/A <br /> Decant system: NL <br /> Diversion ditches: <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: <br /> Decant system: <br />20. Trash racks clear and in place: N~ <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 />