HYDRO28946

• Permit No: C1992081
• IBM Index Class Name: Hydrology
• Doc Date: 1/13/1994
• Doc Name: QUARTERLY SEDIMENTATION POND INSPECTIONS - HAYDEN GULCH LOADOUT
• From: PEABODY WESTERN COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: Dennis Jones DATE: 12/29/93
NPDES I.D. NO.: COG-850008-OOlA
FACILITY CONFIGURATION: Embankment Pond DATE LAST INSPECTION: 9/28/93
SITE NAME: Truck Looo Pond 1 LOCATION: SE's SW~, Sec 14 T6N,R88W
MINE NAME: H-G Terminal, Inc. LOCATION: 2 mi. SE of Havden, CO
MINE I.D. NO.: CMLRD Permit No. C-92-081 OWNER'S REP.: Scott Williams. Suot.
Circle or write is ayProoriate resuoase
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Burning (specify extent and location): Yes No ,~A,,
Angle of elope: upstream, downstream Total = N/A
*Seepage (specify location, color, and approximate volume)
From underdrain pipes:
At isolated points on embankment slopes:
At natural hillside:
Over widespread areas:
From downstream foundation area:
"Boils" beneath stream or ponded water:
Cracks or scarps on crest:
Cracks or scarps on elope:
sloughing or bulging on slope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
'Erosion of toe:
'Water impounded against toe:
Existing embankment freeboard: See Comments
Increase Decrease in water level: See Comments
Cracks, bulging, or erosion on upstream face:
Visible sumps or sinkholes in slurry surface:
'Clogging
spillway channels and pipes:
Decant system:
Diversion ditches:
'Cracking or crushing of pipes
Spillway pipes:
Decant system:
17. Trash racks clear and in place:
Yes Nor N/A
Yes 'NO' N/A
Yes ~No' N/A
Yes ~a N/A
Yes ~Nq N/A
Yes `Nye N/A
Yea SNo, N/A
Yee <L~~ N/A
Yes tNJ N/A
Yes No. N/A
Yea ~No~ N/A
Yes :Na~ N/A
Yea h N/A
feet
feet
Yes `No, N/A
Yes No `N1A
Yes <No~ N/A
Yes <Na- N/A
Yes LNa N/A
Yea ~ N9. N/A
Yes cN~ N/A
Yes No LN/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.