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<br /> PERIODIC INSPECTION FORM <br /> Water, Sediment, or Slurry Impoundments <br />INSPECTOR' S NAME: Michael Altavill a DATE: 06/05/96 <br />NPDES I.D. NO.: COG-850008-002A <br />FACILITY C ONFIGURATION: Embankment Pond DATE LAST INSPECTION: 03/11/96 <br />SITE NAME: Rail LOOD Pond 2 LOCATION: SEi: SWS:, Sec. 14, T6N. R88W <br />MINE NAME: H-G Terminal. Inc. LOCATION: 2 mi. SE of Hayden, CO <br />MINE I.D. NO.: CMLRD Permit No. C- 92-081 O'v7NER'S REP.: Brad Brown. Gen Mar <br />Circle or write in annrooriate resoonae <br />1. Burning (specify extent and location): Yes No <br />2. Angle of slope: 3.75:1 upstream, 2:1 downstream Total = 5.75:1 N/A <br />3. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yes o <br />~ / <br /> At isolated points on embankment slopes: Yes N A <br /> At natural hillside: Yes N/A <br /> Over widespread areas: Yes N/A <br /> From downstream foundation area: Yes N/A <br /> "Boils" beneath stream or ponded water: Yes o N/A <br />4. Cracks or scarps on crest: Yes ® N/A <br />5. Cracks or scarps on slope: Yes ® N/A <br />6. Sloughing or bulging on slope: Yes ® N/A <br />7. *Major erosion problems: Yes ® N/A <br />8. Surface movements in valley bottom or on hillside: Yea ® N/A <br />9. *Erosion of toe: Yee N/A <br />10. *Water impounded against toe: Yes ~ <br />o N/A <br />11. Existing embankment freeboard: See comments 4.0 feet <br />12. Increase X Decrease in water level: Ao~roximately 3 0 feet <br />13. Cracks, bulging, or erosion on upstream face: Yes ~ N A <br />14. Visible sumps or sinkholes in slurry surface: Yes No N/ <br />15. *Clogging <br /> Spillway channels and pipes: Yes ~ N A <br /> Decant system: Yes No / <br /> Diversion ditches: Yes ®° A <br />16. *Cracking or crushing of pipes <br /> Spillway pipes: Yes No <br /> Decant system: Yes No <br />17. Trash racks clear and in place: Yes No 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 <br />in these items should normally be described (extent, location, volume, etc.) in the space on <br />the back of this sheet. <br />