HYDRO27385

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 10/20/1997
• Doc Name: 3rd Qtr 1997 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: Michael A7tavi17a DATE: 09/25/97
NPDES I.D. NO.: N/A
FACILITY CONFIGURATION: -incised Pond DATE LAST INSPECTION: 0/27/97
SITE NAME: T u k Wa4h 4 7'ng Pond LOCATION: NW1j_NFh. Sec. 34 T6NT R87W
MINE NAME: Seneca rI Mine (SP^ a oat of LOCATION: 7.1 m+_ aF of Hawden ~~0
MINE I.D. NO.: CDMG Pe mit No_ --80-005 OWNER'S REP.: Brad Brown,_{_en Mg~_
1. Foundation preparation (removal of vegetation, stumps, topsoil: es No N/A
2. Lift thickness: T/A inches
3. Compaction according to approved plan: Yee No
4. Burning (specify extent and location): Yes No
5. Angle of elope: upstream, downstream Total = T/A
6. *Seepage (specify location, color, and approximate volume) `,V~/i, _~n~~)~
From underdrain pipes: Yes No `1''
At isolated points on embankment elopes: Yes No
At natural hillside: Yes No
Over widespread areas: Yes ~ N/A
From downstream foundation area: Yee o N/A
"Boils" beneath stream or ponded water: Yee o N/A
7. Cracks or scarps on crest: Yea No
8. Cracks or scarps on elope: Yes No
9. Sloughing or bulging on elope: Yes No
10. *Major erosion problems: Yes Q N/A
11. Surface movements in valley bottom or on hillside: Yes No
12. *Eroeion of toe: Yee No
13. *Water impounded against toe: Yes No
14. Existing embankment freeboard: See comments 5.0 feet
15. Increase Decrease in water level: No change feet
16. cracks, bulging, or erosion on upstream face: Yes ~ N/A
17. Visible sumps or sinkholes in Blurry surface: Yee No
18. *Clogging
Spillway channels and pipes: Yee ~ N/A
Decant system: Yee No
Diversion ditches: Yes No
19. *Cracking or crushing of pipes
Spillway pipes: Yea ~ N/A
Decant system: Yes No
20. Trash racks clear and in place: 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 apace
on the back of this sheet.