HYDRO29024

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 7/14/1994
• Doc Name: 2nd Quarter 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
HATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Name: ~~~~ C~ozoW
NPDES ID. No.: CO-0000213 005
facility Configuration: Crass Valley Pond
Site Name: Impoundment 8 005
Mine Name: Nea Horizon Mine Nestern Fuels-Co
Mine ID No.:CMLRD Permit X0006-81
Dwners Rep.: R. L. Node. Mine Manaaer
Date: 6- 3D-9°/
Date Last Inspected: 5-9-9y
Locatipn:_47N16N36AD
Location:2 mi. NN of Nucla, Co.
CIRCLE OR NRITE IN APPROPRIATE RESPONSE
L:f th ss fin
,_ 3. Compaction according to approved plan: ® No N/R
4. Burning (specify extent and locat ion): Yes No N/A
5. Angle of slope: 3:1 upstream, 3:1 downstream, Total = 6:1
b. Seepage (specify location, color, and approx. volume)
From underdrain pipes: Yes No /~
At isolated points an embankment slopes: Yes No N/A
At natural hillside: Yes ~o N/A
Over widespread areas: Yes !p N/A
From downstream foundation area: Yes ~a N/A
"boils" beneath stream or ponded water: Yes ?lg N/A
7. Cracks or scarps on crest: Yes ~ N/A
8. Cracks or scarps on slope: Yes o N/A
9. Sloughing or bulging on slope: Yes ~~ N/A
10. +:Major erosion problems: Yes o~ N/A
11. Surface movements in valley 6mttam or on hillside: Yes b~ N/A
12, *Erosion of toe: Yes Flo N/A
13. •Water impounded against toe: Yes No N/A
14. Existing embankment freeboard (feet): i3~ Feet
I5. increase ar / decrease in water level (feet): o, z5' Feet
16. _
Cracks, bulging, or erosion on upstream face: Yes N N/A
17. Visible sumps or sinkholes in slurry surface: Yes ® N/A
18. sClogging
Spillway channels and pipes: Yes ~ N/A
Decant system: Yes N/A
Diversion ditchers Yes ~lg~ N/A
19. sCracking or crushing of pipes
Spillway pipes: Yes !a N/A
Decant system: Yes ® N/A
20. Trash racks clear and in place: es No N/A
*Major adverse changes to these items could cause inst d should be reported
to the Chief Engineer and Mine Manager for further a,QQ iST~ verse conditions
noted in these items should normally 6e describe t~'x~l"kl~~~ n, volume, etc.)
on page two of this inspection form. " ~ vB.~,~
1. Foundation Preparation (removal of vegetation, stumps, topsoil> es No N/A
2. t ickne ches): 12 :-~l.t es No N/A