HYDRO30127

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 7/21/1998
• Doc Name: 2nd Qtr 1998 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORN
Water, Sediment, or Slurry Impouadmenta
INSPECTOR'S NAME: Michael A1tav;17a DATE: OE /29/98
NPDES I.D. NO.: CO-0000 221 D.P. 008
FACILITY CONFIGURATION: C roce-Va71ey Pond DATE LAST INSPECTION: 03/24/98
SITE NAME: Pond A008 LOCATION: SW7r NWi~ Sec. 7 TSN. Rg6W
MINE NAME: S n a rr Min (,c nn a oal -07 LOCATION: 7.7 mi_ _cE of HaydenT('O
MINE I.D. NO.: C T.7xn P m i No. --80-005 OWNER'S REP.: Hrad Brown C-en Mqr
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20
Foundation preparation (removal of vegetation, stumps, topsoil: es No
Lift thickness: ~Z in
Compaction according to approved plan: ee No
Burning (specify extent and location): Yee No
Angle of slope: 3:1 upstream, 3:1 downstream Total = 6:1
*Seepage (specify location, color, and approximate volume)
From underdrain pipes:
At isolated points on embankment elopes:
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 elope:
*Major erosion problems:
Surface movements in valley bottom or on hillside:
*Eroeion of toe:
*Water impounded against toe:
Existing embankment freeboard: see comments
Increase Decrease in water level: No chaagp
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:
Trash racks clear and in place:
Yea No
Yes
Yee
Yee o
Yee
Yee o
Yee
Yee No
Yee ©o
Yee
Yes No
Yee No
Yee
7.5 feet
feet
Yee
Yee No
Yes
Yes No
Yes No
N/A
N/A
N/A
N/A

N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
N/A
A
Yea ~ N/A
Yee No
es No N/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.