HYDRO25286

• Permit No: C1992081
• IBM Index Class Name: Hydrology
• Doc Date: 10/21/1994
• Doc Name: QUARTERLY SEDIMENTATION POND INSEPECTIONS - HAYDEN GULCH LOADOUT
• From: PEABODY WESTERN COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

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PERIODIC INSPECTION FORN
Pater, Sediment, or Slurry IRoud•ants
INSPECTOR'S NAME: Michael G. Altaville DATE: 09/23/94
NPDES I.D. NO.: COG-850008-002A
FACiL1TY CONFIGURATION: Embankment Pond DATE LAST INSPECTION: 06[07/94
SITE NAME: Rail Loop Pond 2 LOCATION: SE'4 SWd. Sec. 14. T6N. R88W
MINE NAME: H•G Terminal. Inc. LOCATION: 2 mi. SE of Xavden. CO
MINE I.D. NO.: CNLRD Permit No. C-92-081 OWNER'S REP.: Scott Williams. Suot.
Circle or write in atwaxiate resoorue
1. Burning (specify extent and location): Yes No /A
2. Angle of slope: 3.75:1 upstream, 2:1 downstream Total = 5.75:1 N/A
3. `Seepage (specify location, Color, and approximate volume)
From underdrain pipes: Yes No O
At isolated points on embankment slopes: Yes No N/A
At natural hillside: Yes o N/A
Over widespread areas: Yes N/A
Fran downstream foundation area: Yes o N/A
"Boils" beneath stream or polled water: Yes o N/A
4. Cracks or scarps on crest: Yes No M/A
5. Cracks or scarps on slope: Yes No N/A
b. Sloughing or bulging on slope: Yes No N/A
7. `Major erosion problems: Yes o N/A
8. Surface movements in valley bottom or on hillside: Yes N M/A
9. `Erosion of toe: Tes o N/A
10. `Pater impounded against toe: Yes Na N/A
11. Existing embankment freeboard: 5.5 feet
12. Increase X Decrease in water level: See conments 1.5 feet
13. Cracks, bulging, or erosion on upstream face: Yes ~ N/A
14. Visible sumps or sinkholes in slurry surface: Yes No N/A
75. `Clogging
Spillway channels and pipes: Yes
Decant system: Yes No N
Diversion ditches: Yes ~ N/A
16. `Cracking or crushing of pipes
Spillway pipes: ~ Tes No
Decant system: Yes No N/A
17. Trash racks clear and in place: Yes No N/
`Major adverse changes in these items could cause instability end should be reported to
the Engineering Manager and Mine Superintendent for further evaluation. Adverse
conditions noted in these items should normally be described (extent, location, volume,
etc.) in the space on the back of this sheet.