HYDRO28200

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 9/4/2001
• Doc Name: 2nd Qtr 2001 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FOAM
mater, Sediment, or Slurry Imyoundmenta
INSPECTOR'S NAME: Dennis Jones DATE: 06/28/01
NPDES I.D. NO.: N/A
FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: 03/30/01
SITE NAME : Truck Wash Settling Pond LOCATION: NW'/. NE'/a. Sec . 39. T6N, R87W
MINE NAME : Seneca II Mine (Seneca Coal Co) LOCATION: 7.1 mi. SE o f Hayden CO
MINE I.D. NO.: CDMG Permit No. C-80-005 OWNER'S REP.: Gregg Ki tchen. Gen Mgr
Circle or write in aDUrooriata reanonee
1. Foundation preparation (removal of vegetation, stumps, topsoil: Yes No N/A
2. Lift thickness: N/A inches
3. Compaction according to approved plan: Yes No N/A
4. Burning (specify extent and location): Yes No NLA
5. Angle of slope: upstream, downstream Total = N/A
6. *Seepage (specify location, color, and approximate volume)
7
8
9
10
11
12
13
14
15
16
17
16
19
20
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 slope:
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: (normal
Increase Decrease in water level:
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:
No change
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
Yes
7.3
Yes
Yes
Yes
Yes
Yes
No
No
No
No
No
No
No
No
No
No
No
No
No
feet
feet
No
No
No
No
No
NLA
NLA
N/A
N/A
N/A
Nl_A
~~
N1_A
N/A
NLA
NL
1?
NJ~7
~A
N/A
N/A
~~
Yes No N/A
Yes No
Yes 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.