HYDRO28084

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 12/6/1999
• Doc Name: 3rd Qtr 1999 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Water, Sediment, or Slurry Impouadmeata
INSPECTOR'S NAME: Michae l Altavilla DATE: 09/22/99
NPDES I.D. NO.: N/A
FACILITY CONFIGURATION: Incised Pond DATE LAST INSPECTION: ~/~)~99
SITE NAME: Cni1_1 Control Pond No. 2 LOCATION: N~ NEB Sec_ 34 T6N. R87W
MINE NAME: Seneca Mine II Ugeneca Coal Col LOCATION: 7.1 mi_ SF. of Hay~,~
MINE I.D. NO.: CDMG Permi t No. C-SO-005 OWNER'S REP.: Brad Brown, Ge^ Mq~
1. Foundation preparation (removal of vegetation, stumps, topsoil: ~ No N/A
2. Lift thickness: in.
3. Compaction according to approved plan: Yes No
4. Burning (specify extent and location): Yes No N
5. Angle of slope: upstream, downstream Total = _
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No /
At isolated points on embankment slopes: Yea A
At natural hillside: Yes o N/A
Over widespread areas: Yee o N/A
From downstream foundation area: Yee N/A
"Boils" beneath stream or ponded water: Yee N/A
7. Cracks or scarps on treat: Yes ~ N/A
S. Cracks Or scarps on elope: Yes ~ N/A
9. Sloughing or bulging on elope: Yee ~ N/A
10. *Major erosion problems: Yee ~ N/A
11. Surface movements in valley bottom or on hillside: Yee ~ N/A
12. *Eroeion of toe: Yes
~ N/A
13. *Water impounded against toe: Yee N/A
14. Existing embankment freeboard: c o m n 7.0 feet
15. Increase _~ Decrease in water level: 0.5 feet
16. Cracks, bulging, or erosion on upstream face: Yee No N A
17. Visible sumps or sinkholes in slurry surface: Yes No /A
18. *Clogging
Spillway channels and pipes: Yes No
Decant eyetem: Yee No /A
Diversion ditches: Yes ~ N A
19. *Cracking or crushing of pipes
Spillway pipes: Yes No
Decant eyetem: Yes No
20. Trash racks clear and in place: Yes No
*Major adverse changes in these items could tau ee 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.