HYDRO24511

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/20/1998
• Doc Name: 3rd Qtr 1998 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 Impoundments
INSPECTOR'S NAME: Mictia 7 Al avilta
NPDES I.D. NO.: _ N/A
FACILITY CONFIGURATION: Incised Pond
SITE NAME: Spy Control Pond No. 2
MINE NAME: ceneca Mine iI (senses coat Cow
MINE I.D. NO.: COMC Permit No. C-80-005
DATE: 09/78/98
DATE LAST INSPECTION: DT/29/98
LOCATION: NW} NF.it Sec_ 34 T6N RR7W
LOCATION: 7.7 mi. cF of Hayden,s O
OWNER'S REP.: Brad Brown_ rPn Ma~_
1. Foundation preparation (removal of vegetation, stumps, topsoil: ® No N/A
2. Lift thickness: in.
3. Compaction according to approved plan: Yee No
4. Burning (specify extent and location): Yes No ©A
5. Angle of elope: upstream, downstream Total =
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yee No
At isolated points on embankment slopes: Yee o N/A
At natural hillside: Yes N N/A
Over widespread areas: Yee o N/A
From downstream foundation area: Yee o N/A
"Boils" beneath stream or ponded water: Yes o N/A
7. Cracks or scarps on crest: Yes No N/A
8. Cracks or scarps on elope: Yea o N/A
9. Sloughing or bulging on elope: Yee o N/A
10. *Major erosion problems: Yes ~ 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: Yes o N/A
14. Existing embankment freeboard: see comments 6.D feet
15. Increase Decrease in water level: ~o change feet
16. Cracks, bulging, or erosion on upstream face: Yee N® N/A
17. Visible sumps or sinkholes in Blurry surface: Yes No N/A
18. *Cloggin9
Spillway channels and pipes: Yee No
Decant system: Yee No N
Diversion ditches: Yee ~ N/A
19. *Cracking or crushing of pipes
Spillway pipes: Yes No
Decant system: Yes No
20. Trash racks clear and in place: 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 apace on
the back of this sheet.