2011-01-13_REPORT - C1980007

• Permit No: C1980007
• IBM Index Class Name: Report
• Doc Date: 1/13/2011
• Doc Name: 4th Qtr 2010 Stockpile/Site Inspections
• 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: M10004MT
DATE: Wednesday, Nov/24/2010
Friday, Nov/26/2010
SITE LOCATION: Somerset
CLIENT: Mountain Coal Company
ENGINEERING TECHNICIAN: B. Barnes
NUCLEAR GAUGE USED: 18

TEST
NO

TEST LOCATION
DEPTH OR
ELEVATION
PROBE
DEPTH
IN LABORATORY
PROCTOR
DENSITY
PCF OPTIMUM
MOISTURE
CONTENT
%
DRY
DENSITY
PCF
MOISTURE
CONTENT
%
RELATIVE
COMPACTION
SOIL TYPE
W ednesday,Nov/24/2010
105 At RPE-01 6217.34 8 103.0 9.0 97.3 10.3 94 Coal gob, black
106 At RPE-02, lower 6515.06 8 88.0 14.0 92.0 16.6 100 " of
107 At RPE-03 6212.50 8 88.0 14.0 88.8 17.9 100 it
108 At RPE-04 6206.74 8 88.0 14.0 89.6 17.8 100 to to
109 At REP-05 6203.13 8 103.0 9.0 95.8 8.9 93 if
Friday, Nov/26/2010
110 At RPE-01 6216.46 8 88.0 14.0 74.9 21.5 85 "
111 At RPE-02 6216.73 8 88.0 14.0 79.8 13.3 91
112 At RPE-03 6215.76 8 88.0 14.0 79.8 16.6 91 "
113 At RPE-04 6214.79 8 88.0 14.0 87.6 18.0 100
114 At RPE-05 6214.52 8 88.0 14.0 80.7 15.7 92 "
REMARKS: The test results indicate only the density and moisture content for the location and elevation tested only.
ex?jert anb ( Vriz PROJECT NUMBER: M10004MT