2008-12-05_HYDROLOGY - C1981008

• Permit No: C1981008
• IBM Index Class Name: HYDROLOGY
• Doc Date: 12/5/2008
• Doc Name: 4th Quarter 2008 Pond Inspections
• From: Western Fuels-Colorado
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Media Type: D
• Archive: No

PERIODIC INSPECTION FORM
WATER, SEDIMENT, OR SLURRY IMPOUNDMENTS
Inspectors Name : GAAbk? Date: pa
NPDES ID. No.:CO-0000213 Date Last Inspected: oe, Ob
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-
Foundation Preparation (removal of vegetation, stumps., topsoil) (Z) No N/A
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Lift thickness (inches)
Compaction according to approved plan ® No
Burning (specify extend and location) Yes
Angle of slope: 3:1 upstream, 3:1 downstream
Seepage (specify location, color, and approx. volume)
a.) From underdrain pipes: Yes 0
b.) At isolated points on embankment slopes: Yes 0
c) At natural hillside: Yes G
d) over widespread areas Yes Q
e) From downsteam foundation area Yes 6a
f) "Boils" beneath stram or ponded water Yes
Cracks or scarps on crest Yes No
Cracks or scraps on slope Yes
Sloughing or bulging on slope Yes
Major erosion problems Yes
Surface movements in valley bottom or on hillside Yes 0
Erosion of toe Yes No
Water impounded against toe Yes N®
Existing embankment freeboard (feet) _%1t%,:- -5640,'i -7. s,
Cracks, bulging, or erosion on upsteam face Yes
Visible sumps or sinkholes in slurry surface Yes N
Clogging
a) Spillway channels and pipes Yes N
b) Decant system Yes
c) Diversion Ditches Yes
Cracking or crushing of pipes
a) Spillway pipes Yes G
b) Decant system Yes
Trash racks clear and in place co No

-PbN p 15 iJ CZ -T:?% A 0-v r
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Feet
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F:\Eng\DATA\WP\pond-banks\DAMFORM.wpd