HYDRO28738

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 9/16/1991
• Doc Name: 3rd Qtr 1991 Inspections
• From: PEABODY COAL CO
• To: MLRD
• Permit Index Doc Type: SEDIMENT POND INSPECTIONS
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
Water, Sediment, or Slurry Impoundments
INSPECTOR'S NAME: Ron Gehrke DATE
NPDES I.D. NO.: - D.P.008
08/01/91
FACILITY CONFIGU Cross-Valley Pon DATE LAST INSPECTION: 05/07/91
SIT E NAME: Pond #008 LOCATION:SW'hNW'G, Sec. 7 T5 N, R86W
MIN E NAME: eneca ine ea o y oa o LOCATION: mi. o ay en,
MIN E I.D. N ermi - - OWNER'S R .: Sc ott Williams, Supt
Circle or write in appropriate response
1. Foundation preparation (removal of vegetation, stumps, topsoil): _ es No N/A
2. Lift thickness: 12 in. N/A
3. Compaction according to approved plan: Ye No N/A
4. Burning (specify extent and location): Yes No N~
5. Angle of slope: 3:1 upstream, 3:1 downstream Total = 6:1 N/A
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No
At isolated points on em an ment s opes: Yes N/A
At natural hillside: Yes o N/A
Over widespread areas: Yes o N/A
From downstream foundation area: Yes .o N1A
"Boils" beneath stream or ponded wa er: Yes N/A
7. Cracks or scarps on crest: Yes ®o N/A
8. Cracks or scarps on slope: Yes fLJd N/A
9. Sloughing or bulging on slope: Yes ® N/A
10. *Major erosion problems: Yes ~lg N/A
11. Surface movements in valley bottom or on hillside: Yes ~o N/A
12. *Erosion of tae: Yes ® N/A
13. *Water impounded against toe: Yes ® N/A
14. Existing embankment freeboard: 8 _ fee t
15. Increase Decrease in water level: - fee t
16. Cracks, bulging, or erosion on upstream face: Yes ® N/A
17. Visible sumps or sinkholes in slurry surface: Yes No N/
18. *Clogging
Spillway channels and pipes: Yes ~ N/,4
Decant system: Yes o
Diversion ditches: Yes No
19. *Cracking or crushing of pipes
Spillway pipes: Yes ® N/A
Decant system: Yes No
20. Trash racks clear and in place: ®e 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 condi-
tions noted in these items should normally be described (extent, location, volume, etc.}
in the space on the back of this sheet.