HYDRO21815

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 1/14/1999
• Doc Name: 4th Qtr 1999 Inspections
• From: SENECA COAL CO
• To: DMG
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPBCTION FORK
Water, Sediment, or Slurrp Impoundments
INSPECTOR'S NAME: Michael Altavi77a DAIS: _ 1?,/1Q/98
NPDES I.D. NO.: ~j./A
FACILITY CONFIGURATION: rnciaed Pond DATE LAST INSPECTION: 09/78/98
SITE NAME: "truck Waeh Settling Pond LOCATION: NW7. NE7r cec_ 3d TEN R87W
MINE NAME: Seneca ri Min~c ne a -oa7 0)- LOCATION: 7.1 mi. sE of Haydwn, co
MINE I.D. NO.: cOMG Permit No_ o-80-005 OWNER'S REP.: Brad Brown, Can Nqr_
1. Foundation preparation (removal of vegetation, stumps, topsoil: ~ No N/A
2. Lift thickness: ~A inche
s
3. Compaction according to approved plan: Yes No '
/`~A_
4. Burning (specify extent and location): Yee No
5. Angle of slope: upstream, downstream Total = T/A
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yee No
At isolated points on embanlunent elopes: Yee No
At natural hillside: Yes No
Over widespread areas: Yee N/A
From downstream foundation area: Yee ~
o N/A
"Boils" beneath stream or ponded water: Yea No 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: Yee ~ N/A
11. Surface movements in valley bottom or on hillside: Yes No
12. *Eroeion of toe: Yee No
13. *Water impounded against toe: Yee No N A
14. Existing embanluoent freeboard: see comments 5.0 feet
15. Increase Decrease in water level: No change feet
16. Cracks, bulging, or erosion on upstream face: Yee ~ N/A
17. Visible sumps or sinkholes in Blurry surface: Yes No
18. *clogging
Spillway channels and pipes: Yes ~ N/A
Decant system: Yee No
Diversion ditches: Yes No A
19. •Cracking or crushing of pipes
Spillway pipes: Yee No N A
Decant ayst em: 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.