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

PERIODIC INSPECTION FOR11
Pater, Sediment, or Slurry IaRwtndments
INSPECTOR'S NAME: Michael G. Altavilla DATE: 09/23/94
NPDES I.D. NO.: COG-850008.001A
FACILITY CONFIGURATION: Embankment Pond DATE LAST INSPECTION: ~ 06/07/94
SITE NAME: Truck Looo Pond 1 LOCATION: SEY. SN'/.. Sec. 14. T6N. R88N
MINE NAME: N-G Terminal. Inc. LOCATION: 2 mi. SE of Xavden. LO
MINE I.D. NO.: CMLRD Permit No. C-92-081 OYNER'S REP.: Stott Nilliams. Suot.
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Circle or write in amroPriete resOOnse
Burning (specify extent and location): Yes No N/A
Angle of slope: 2.75:1 upstream, 2:1 downstream Total = 4.75:1 N/A
'Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No N/A
At isolated points on embankment slopes: Yes o N/A
At natural hillside: Yes No N/A
Over widespread areas: Yes N/A
From downstream foundation area: Yes o N/A
"Boils" beneath stream or ponded water: Yes N/A
Cracks or scarps on crest: Yes ~ N/A
Cracks or scarps on slope: Yes No N/A
Sloughing or bulging on slope: Yes ® N/A
'Major erosion problems: Yes ~ N/A
Surface movements in valley bottom or on hillside: Yes ~ N/A
•E rosion of toe: Yes ~ N/A
•Nater inpounded against toe: Yes ~ N/A
Existing embankment freeboard: See comments 11 feet
Increase x Decrease in water level: Approximately 1 feet
Cracks, bulging, or erosion on upstream face: Yes No N/A
Visible sumps or sinkholes in slurry surface: Yes No /A
'Clogging
Spillway channels and pipes:
Decant system:
Diversion ditches:
'Cracking or crushing of pipes
Spillway pipes:
Decant system:
Trash racks clear and in place: _
No N/A
Yes No N/A
Yes No N/A
Yes o N/A
Yes o N/A
Yes No /A
"Major adverse changes in these items could cause instability and 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.