HYDRO29282

• Permit No: C1980005
• IBM Index Class Name: Hydrology
• Doc Date: 5/17/1991
• Doc Name: 2nd 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
NPDES I.D. NO.: - D.P. 003
FACILITY CONFIGU Diked Pond
SITE NAME: Northwest Im oundment #003
MINE NAME: eneca ine ea o y oa o
MINE I.D. N .: ermi - -
DATE: 5/8/91
DATE LAST INSPECTION: 2/22/91
LOCATION:SE'I.SW'I.,Sec.2 ,.TAN, $7'G~
LOCATION: mi. o ay en,
OWNER'S R .: Scott 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: ~s No N/A
4. Burning (specify extent and location): Yes No N/A
S. Angle of slope: 2:1 upstream, 3:1 downstream Total = 5:1 N/A
6. *Seepage (specify location, color, and approximate volume)
From underdrain pipes: Yes No ~9~
At isolated points on em an ment s opes: Yes N/A
At natural hillside: Yes N/A
Over widespread areas: Yes N/A
From downstream foundation area: Yes N/A
"Boils" beneath stream or ponded wa er: Yes N/A
7. Cracks or scarps on crest: Yes ® N/A
8. Cracks or scarps on slope: Yes ® N/A
9. Sloughing or bulging on slope: Yes ® N/A
10. *Major erosion problems: Yes ® N/A
11. Surface movements in valley bottom or on hillside: Yes ® N/A
12. *Erosion of toe: Yes ~ N/A
13. *Water impounded against toe: Yes ® N/A
14. Existing embankment freeboard: 4.9 feet
15. g Increase Decrease in water level: ~_ feet
16. Cracks, bulging, or erosion on upstream face: Yes No N/A
17. Visible sumps or sinkholes in slurry surface: Yes No ~N!{1
18. *Clogging
Spillway channels and pipes: Yes ®

Decant system:
Yes
No ~~
Diversion ditches: Yes ® N/A
19. *Cracking or crushing of pipes
Spillway pipes: Yes No 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.