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.. ~, <br />PERIODIC INSPECTION FORM <br />Water, Sediment, or Slurry Impoundments <br />INSPECTOR'S NAME: Michael Altavilla DATE: 12/04/95 <br />NPDES I.D. NO.: COG-850008-OOlA <br />FACILITY CONFIGURATION: Embankment Pond DATE LAST INSPECTION: 09/25/95 <br />SITE NAME: Truck Loop Pond 1 LOCATION: SE'/. SWY., 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 OWNER'S REP.: Scott Williams. Gen Mar <br />Circle or write in aonrooriate resoonae <br />1. Burning (specify extent and location): Yes No N/A <br />2. Angle of slope: 2.75:1 upstream, 2:1 downstream Total = 9. 75:1 N/A <br />3. *Seepage (specify location, color, and approximate volume) <br /> From underdrain pipes: Yes No /A <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 o N/A <br /> "Boils" beneath stream or ponded water: Yes o N/A <br />4. Cracks or scarps on crest: Yes o N/A <br />5. Cracks or scarps on slope: Yes o N/A <br />6. Sloughing or bulging on slope: Yes N/A <br />7. *Major erosion problems: Yes o N/A <br />8. Surface movements in valley bottom or o n hillside: Yes No N/A <br />9. *Erosion of toe: Yes o N/A <br />10. *Water impounded against toe: Yes o N/A <br />11. Existing embankment freeboard: S ee comments 5.9 feet <br />12. X Increase Decrease in water level: Aooroximately 0.4 feet <br />13. Cracks, bulging, or erosion on upstream face: Yes ~ N/A <br />14. Visible sumps or sinkholes in slurry su rface: Yes No /A <br />15. *Clogging <br /> Spillway channels and pipes: See comments Yes N/A <br /> Decant system: Yes N/A <br /> Diversion ditches: Yes ~ o N/A <br />16. *Cracking or crushing of pipes <br /> Spillway pipes: Yes o N/A <br /> Decant system: Yes o <br />17. Trash racks clear and in place: Yes No / <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 />