2008-09-11_HYDROLOGY - C1981008

• Permit No: C1981008
• IBM Index Class Name: HYDROLOGY
• Doc Date: 9/11/2008
• Doc Name: 3rd Quarter 2008 Pond Inspection Report
• 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
Inspectors Name:s ?OkQ
NPDES ID. No.:CO-0000213
Date : dR ! c 08
Date Last Inspected: Jd?,,,,? p$
Facility Configuration: Parcel Incised Pond
Site Name: Impoundment #011 Location:46N16W SEC 1
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) Ye No N/A
2 f
Li t thickness (inches)
3. Compaction according to approved plan cz? 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 N/A
d) Over widespread areas Yes N/A
e) From downsteam foundation area Yes 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 Qo 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

14.
Existing embankment freeboard (feet) St, 19,4. S?. 13
'Z- Ye
( No
L0 N/A

15. ,
Cracks, bulging, or erosion on upsteam face „•
Yes
4?D Feet
N/A
16. Visible sumps or sinkholes in slurry surface Yes Q N/A
17. Clogging
a) Spillway channels and pipes Yes ® N/A
b) Decant system Yes N/A
c) Diversion Ditches Yes ? N/A
is. Cracking or crushing of pipes g
a) Spillway pipes Yes N/A
b) Decant system Yes ?Y/ N/A
19. Trash racks clear and in place
Ye No N/A
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