HYDRO28130

• 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
stockponds or Sumps
INSPECTOR'S NAME: M' ha ~ Al av' ~a DATE: 09/22/99
FACILITY CONFIGURATION: ~ o. ~nA DATE LAST INSPECTION: OG~/29/99
SITE NAME: T-2 LOCATION: sElrcWlt cec 2 TSN n87W
MINE NAME: Seneca iI LOCATION: 7.1 mi cE of Haydn CO
MINE I.D. NO.: C-80-005 OWNER'S REP.: Arad Brown. Gen Mar
1. Angle of elope: gel upstream, 2.75:1 downstream Total = 4.7S:t N/A
2. *Seepage (specify location, color, and approximate volume)
At isolated points on embankment elopes: Yes /[vo/ N/A
At natural hillside: Yee N N/A

Over widespread areas: Yes ~ N/A
From downstream foundation area: Yee ~ N/A
"Boils" beneath stream or ponded water: Yee No N/A
3. cracks or ecarpe on crest: Yes ~ N/A
4. Cracks or ecarpe on elope: Yes ® N/A
5. Sloughing or bulging on slope: Yes ® N/A
6. *Major erosion problems: Yee ® N/A
7. Surface movements in valley bottom or on hillside: Yes ® N/A
8. *Eroeion of toe: Yee ® N/A
9. *Water impounded against downstream toe: Yee !~ N/A
10. Existing embankment freeboard: Annr~ximately 1.5 feet
11. Increase Decrease in water level: No chang e feet
12. Cracks, bulging, or erosion on upstream face: Yes ~ N/A
13. Spillway erosion: Yee ~ N/A
14. *clogging
Spillway channels: Yes N/A
D ivereion ditches: Yee 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.