HYDRO21738

• Permit No: C1981008
• IBM Index Class Name: Hydrology
• Doc Date: 6/19/2002
• Doc Name: 2002 2nd Q Sediment Pond
• From: Western Fuels-Colorado
• To: DMG
• Permit Index Doc Type: Sediment Pond Inspections
• Media Type: D
• Archive: No

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PERIODIC INSPECTION FORM
WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Name: Zoss Gubk4 Date: G_/q-_o z
NPDE S ID, No.:CO-0000213 009 Date Last Inspecte d: 3. ~~ _o Z
Faci lity Configuration:Total Encised Pond
Site Name: Impoundment #009 Location: 47N16W36
Mine Name: New Horizon Mine Location: 2 mi.NW o f Nucl a. CO_

Mine ID No.: CMLRD Permit #0008-81
Owners Rep.: R. L. Wade, Mine Mana4er
CIRCLE OR WRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation (removal OE vegetation, stumps., topsoil) Q y No N/A
2. 4itt thickness (inches)
3. Compaction according to approved plan ~Yr~ No N/A
9, Burning (specify extend and location) Yes ~ N/A
5. Angle of slope: 3:1 upstream, 3:1 downstream
6. Seepage (specify location, color, and approx. volume)
a.) From unde rdrain pipes: Yes ~ N/A
b.) At isolated points on embankment slopes: Yes ~ N/A
c) At natural hillside: Yes ~ N/A
d) Over widespread areds Yes No N/A
e) From down sC eam foundation area Yes - N/A
f) "Boil s° beneath stram or ponded water Yes ~ N/A
7. Cracks or scarps on crest Yes ~"d N/A
e. Cracks or scraps 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 ~DtQi
i N/A
14. Existing embankment freeboard (feet) .._ ~__ Feet
15. Cracks, bulging, or erosion on upsteam face Yes ® N/A
16. Visible sumps or sinkholes in slurry surface Yes ®, N/A
1~. Clogging
a) Spillway channels and pipes Yes ® N/A
b) Decant system Yes ®, N/A
c) Diversion Ditches Yes ~ N/A
18. Cracking or crushing of pipes
al Spillway pipes Yes CND N/A
b) Decant system Yes ~p. N/A
19. Trash racks clear and in place ~ No N/A
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