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PERIODIC INSPECTION FORM <br />Hater, Sediment, or Slurry Imyou/nd^m~enta ~/ <br />INSPECTOR'S NAME: Dennis Jones DATE: 6 ~A 3 '~ 1 <br />NPDES I.D. NO.: CO-0000221 D.P. 012 L..~ <br />FACILITY CONFIGURATION: Cross-Vallev Pond DATE LAST INSPECTION: 3 ' ~~'~ 1 <br />SITE NAME: Pond #012 LOCATION: NE'/a ,Sec. 19, TSN, R87W <br />MINE NAME; Yoast Mine(Seneca Coal Co) LOCATION: 8.5 mi. SE of Havden, CO <br />MINE I.D. NO.: CMLRD Permit No. C-94-082 OWNER'S REP.: Greoc Kitchen, Gen Mpr <br />Circle Or Write i.n BAATODr.7.ate reaDOnee <br />1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes <br />2. Lift thickness: 12 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, 3.0:1 downstream Total = 6.0 :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 No N/A <br />9. 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 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 /> <br />14. Existing embankment freeboard: (normal = 8.0') ~ feet <br />15. Increase Decrease in water level: h o Gl.a w~Q feet <br />16. Cracks, bulging, or erosion on upstream face: Yes Q° N/A <br />17. Visible sumps or sinkholes in slurry surface: <br />19. *Clogging <br /> Spillway channels and pipes: Yes No N/A <br /> Decant system: Yes No N/A <br /> Diversion ditches: N A <br />19. *Cracking or crushing of pipes <br /> Spillway pipes: Yes No N/A <br /> Decant system: Yes No N/A <br />20. Trash racks clear and in place: Yes No N/A <br />*Ma jor 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 />conditions noted in these items should normally be described (extent, location, volu me, <br />etc .) in the space on the back of this sheet. <br />