HYDRO27086

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 5/13/1994
• Doc Name: 1st Quarter 1994 Sediment Pond Inspection Report
• From: Western Fuels-Colorado, LLC
• To: DMG
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Name: ~«~- C ~=~'~l
NPDE5 ID. No.: CO-0000213 004
Facility Configuration: Sidehill Pmnd
Site Name: Impoundment # 004
Mine Name: New Horizon Mine Nest ern Fuels-Co
Mine ID No.:CMLRD Permit #0008-01
Owners Rep.: R, L. Node, Mine Manager
Date: 5~6~ 9`1
Date Last Inspected: r 5-9y
Location: 47NI5N31HC
Locatimn:2 mi. NN of Nucla, Co.
CIRCLE OR NRITE IN APPRDPRIATE RESPONSE
1. Foundatimn Preparation (removal of vegetation, stumps, tmpsoil) ® No N/A
2. Lift thickness finches): /2 :~~~es Yes No N/A
3. Compaction according to approved plan: © No N/A
4. Burning (specify extent and location): Yes ~ N/A
5. Anqle mf slope: 3:1 upstream, 3:1 downstream, Total b:l
6. Seepage (specify locatimn, color, and approx. volume)
From underdrain pipes: Yes No
At isolated paints on embankment slopes: 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 water: Yes ~ N/A
7. Cracks or scarps on crest: Yes ® N/A
0. Cracks or scarps on slope: Yes ~ N/A
9. Sloughing or bulging on slope: Yes Two N/A
10, (Major erosion problems: Yes q, N/A
I1. Surface movements in valley bottom or on hillside: Yes N/A
12. +Erosion of toe: Yes N/A
13. •Nater impounded against toe: Yes Na N/A
14. Existing embankment freeboard (feet): //, 5 Feet
15. increase or decrease in water level (feet): O Feet
16. Cracks, bulging, or erosion mn upstre _
am face: Yes N N/A
17. Visible sumps or sinkholes in slurry surface: Yes N N/A
18. (Clogging
Spillway channels and pipes: Yes ~N N/A
Decant system: Yes (No N/A
Diversion ditches: Yes No /A
19. (Cracking or crushing of pipes
Spillway pipes: Yes No N/R
Decant system: Yes N/A
20. Trash racks clear and in place: es No N/R
*Major adverse changes to these items
to the Chief Engineer and Mine Manager
noted in these items should normally
on page two of this inspection form.
could cause instability and should be reported
for furth ion. Adverse conditions
be desc _ Bfd?,~~~, location, volume, etc.)

5- 9_q~