2008-06-13_HYDROLOGY - C1981008

• Permit No: C1981008
• IBM Index Class Name: HYDROLOGY
• Doc Date: 6/13/2008
• Doc Name: 2nd Quarter 2008 Pond Inspections
• From: Western Fuels-Colorado
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: MLT
• Media Type: D
• Archive: No

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PERIODIC INSPECTION FORM
WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
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Insp ectors Name : Date:
C, ?o WprO
NPDES ID. No.:CO-0000213 Date Last Inspected: {LV,( X20 ??
Facility Configuration: Parcel Incised Pond
Site Name: Impoundment #0013 Location:47N16W SEC 36
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) (Yes) No N/A
2. Lift thickness (inches) t?...•??
3. Compaction according to approved plan No N/A
4. 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 underdrain pipes: Yes N/A
b.) At isolated points on embankment slopes: Yes N/A
c) At natural hillside: Yes o N/A
d) Over widespread areas Yes N/A
e) From downsteam foundation area Yes o N/A
f) "Boils" beneath stram or ponded water Yes N/A
7. Cracks or scarps 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) v
I -L r
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 Yp1i. N/A
19. Trash racks clear and in plape es No N/A
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