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

PERIODIC INSPECTION FORM
WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Name: Date J aN, to o&
NPDES ID. No.:CO-0000213 Date Last Inspected: ML-v- V-> X?
Facility Configuration: Total Incised Pond
Site Name: Impoundment #0014 Location:47N15W SEC 31
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) es No N/A
2. Lift thickness (inches)
3. Compaction according to approved plan Yes No N/A
4. Burning (specify extend and location) Yes A N/A
5. Angle of slope: 3:1 upstream, 3:1 downstream
6. Seepage (specify location, color, and approx. volume)
r
a.) From underdrain pipes: Yes ` N/A
b.) At isolated points on embankment slopes: Yes No N/A
c) At natural hillside: Yes N N/A
d) Over widespread areas Yes 'N N/A
e) From downsteam foundation area Yes N N/A
f) "Boils" beneath stram or ponded water Yes °No 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 No N/A
10. Major erosion problems Yes N/A
11. Surface movements in valley bottom or on hillside Yes o N/A
12. Erosion of toe Yes N N/A
13. Water impounded against toe Yes o 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 No N/A
17. Clogging
a) Spillway channels and pipes Yes No N/
b) Decant system Yes No N/A
c) Diversion Ditches Yes No A
18. Cracking or crushing of pipes
a) Spillway pipes Yes No
b) Decant system Yes No A
19. Trash racks clear and in place Yes No N/A
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