2011-04-13_REPORT - C1980007

• Permit No: C1980007
• IBM Index Class Name: REPORT
• Doc Date: 4/13/2011
• Doc Name: 1st Quarter 2011 Wastepile Report
• From: Mountain Coal Company
• To: DRMS
• Permit Index Doc Type: Waste Pile/Fill Report
• Email Name: TAK
• Media Type: D
• Archive: No

RELATIVE COMPACTION TEST RESULTS
PROJECT: West Elk Mine RPE
PROJECT NO: M11001MT
DATE: Wednesday, Jan/19/2011
Thursday, Jan/20/2011
SITE LOCATION: Somerset
CLIENT: Mountain Coal Company
ENGINEERING TECHNICIAN: Hayes
NUCLEAR GAUGE USED: 18

TEST LOCATION
DEPTH OR
ELEVATION
PROBE
DEPTH
(IN) LABORATORY
PROCTOR
DENSITY
(PCF OPTIMUM
MOISTURE
CONTENT
(%
DRY
DENSITY
(PCF)
MOISTURE
CONTENT
%
RELATIVE
COMPACTION
SOIL TYPE
Wednesday, Jan/19/2011
70 RPE-0 1 6231.86 8 88.0 14.0 88.2 13.1 100 Coal gob, black
71 RPE-02 6231.76 8 88.0 14.0 87.9 18.3 100 "
72 RPE-03 6234.62 8 103.0 9.0 94.0 11.1 91 "
73 RPE-04 6234.87 8 103.0 9.0 94.7 12.7 92 "
Thursday, Jan/20/2011
74 LRP-01 6281.83 8 103.0 9.0 97.6 12.0 95 Coal gob, black
75 LRP-02 6280.95 8 103.0 9.0 98.4 11.7 96 it of
76 LRP-03 6282.02 8 103.0 9.0 105.2 12.6 100 it
77 LEP-04 6282.28 8 88.0 14.0 90.5 15.6 100 "
REMARKS: The test results indicate only the density and moisture content for the location and elevation tested only.
rrt aub.'?'C PROJECT NUMBER: M11001MT