2008-03-17_HYDROLOGY - C1981008

• Permit No: C1981008
• IBM Index Class Name: HYDROLOGY
• Doc Date: 3/17/2008
• Doc Name: 1st Quarter 2008 Pond Inspections
• From: Western Fuels-Colorado
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: SB1
• Media Type: D
• Archive: No

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PERIODIC INSPECTION FORM
WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Name :~s~; G~,~~~ Date : 131~gYC~,~ p $
NPDES ID. No.:CO-0000213 Date La st Inspected : Zn n~~~p"~
Facility Configuration: Cross Valley Pond
Site Name: Impoundment #007 Location:46N15W SEC 6
Mine Name: New Horizon Mine Location:l mi.NW of Nucla, CO.
Mine ID No.: CDMG Permit #0008-81
Owners Rep.: R. L. Wade, Mine Manager
CIRCLE OR WRITE IN APPROPRIATE RESPONSE
1. Foundation Preparation (removal of vegetation, stumps., topsoil) ~ No N/A
2. Lift thickness (inches)
3. Compaction according to approved plan Q No N/A
4. Burning (specify extend and location) Yes ~ N/A
5. Angle of s:Lope: 3:1 upstream, 3:1 downstream
6. Seepage (specify location, color, and approx. volume)
a.) Frcm underdrain pipes: Yes ~ N/A
b.) At isolated points on embankment slopes: Yes Icy N/A
c) At natural hillside: Yes ~ N/A
d) Over widespread areas Yes ~7 N/A
e) Frcm downsteam foundation area Yes ® . N/A
f) "Boils" beneath stram or ponded water Yes ~ N/A
7. Cracks or :;carps on crest Yes ® N/A
8. 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 ® 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
17. 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
a) Spillway pipes Yes ~ N/A
b) Decant system Yes @ N/A
19. Trash racks clear and in place Ye No N/A
~ADino~ \S ~~SrJV10~~~~~
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