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PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />_~~-OZ <br />INSPECTOR'S NAME: Dennis Jones DATE: <br />NPDES I.D. NO.: CO-0000221 D.P. OlA Q ~( <br />FACILITY CONFIGURATION: Cross-Valley Pond DATE LAST INSPECTION: l'I 1 ~~ <br />SITE NAME: Pond #014 LOCATION: NE'/a SW'/c Sec. 19 TSN R87W <br />MINE NAME: Yoast Mine(Seneca Coal Co) LOCATION: 8.5 mi. SE of Hayden. CO <br />MINE I.D. NO.: CMLRD Permit No. C-94-082 OWNER'S REP.: Greco Kitchen, Gen Mar <br />Circle or write in appropriate response <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Xes <br />2. Lift thickness: i n. <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, 3.5:1 downstream Total = 6.5 :1 <br />6. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: NL <br /> At isolated points on embankment slopes: Yes o 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 o 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 = 5.0'1 ~? feet <br />15. __~Zncrease Decrease in water level: ~ feet <br />16. Cracks, bulging, or erosion on upstream face: Yes ~ N/A <br />17. Visible sumps or sinkholes in slurry surface: <br />18. *Clogging <br /> Spillway channels and pipes: Yes ~ N/A <br /> Decant system: <br /> Diversion ditches: ~A <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes No N/A <br /> Decant system: <br />20. Trash racks clear and in place: es No N/A <br />*Major adverse changes in these items could cause instability and shou ld be .reported to <br />the Engineering Manager and Mine Superintendent for further eval uation, Adverse <br />condi tions noted in these items should normally be described (extent, location, volu me, <br />etc.) in the space on the back of this sheet. <br />