2009-05-19_HYDROLOGY - C1981012

• Permit No: C1981012
• IBM Index Class Name: HYDROLOGY
• Doc Date: 5/19/2009
• Doc Name: 1st Quarter 2009 Sediment Pond Inspection Report
• From: Peak Project Management, LLC
• To: DRMS
• Permit Index Doc Type: Sediment Pond Inspect
• Email Name: KAG
• Media Type: D
• Archive: No

QUARTERLY SEDIMENTATION POND INSPECTION REPORT
CDMR Rule 4.05.9(17)
Mine: New Elk RDA Containment SE
NPDES ID. No.: None
Inspection Period: First Quarter 2009
Inspection Date: 04/07/09
General: Description or Reference to Site Plan:
This partially incised containment basin is a non-discharging facility designed to contain run-off
from the area east of the RDA belt conveyor and south of highway 12.
EMBANKMENT
1). Adequacy of the vegetative cover.
2). Erosion forming Gullies:
Excellent Moderate Few Poor
Extensive Some ew None
3). Is wave action causing erosion:
On the Upstream embankment?
Yes No E/
4). Erosion of the downstream toe of the embankment? Yes No
Cause of erosion can be attributed to:
5). Is seepage occurring through the dam? Yes No Could this seepage cause potential instability?
SEDIMENT STORAGE CAPACITY
1). Has the design storage capacity of the reservoir been surpassed? ?,
Yes No
Explain:
OTHER OBSERVATIONS:
A?La?
MSHA Qualified Impoundmerft Inspector
Date 2 /7/0 2