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: Saturday, Nov/20/2010
Sunday, Nov/21/2010
SITE LOCATION: Somerset
CLIENT: Mountain Coal Company
ENGINEERING TECHNICIAN: Hayes
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
Saturday,Nov/20/2010
97 At RPE-01 6197.35 8 103.0 9.0 97.3 15.4 94 Coal gob, black
98 At RPE-02 6202.33 8 103.0 9.0 95.1 13.4 92 " It
99 At RPE-03 6205.89 8 88.0 14.0 89.4 14.3 100 it
Sunday, Nov/21/2010
100 At RPE-01 6211.19 8 88.0 14.0 87.8 19.4 100 " of
101 At RPE-02 6211.41 8 103.0 9.0 101.3 16.7 98
102 At RPE-03 6211.88 8 103.0 9.0 99.4 12.7 97 "
103 At RPE-04 6212.09 8 103.0 9.0 93.7 15.7 91 "
104 At RPE-05 6212.32 8 103.0 9.0 100.6 14.1 98 "
REMARKS: The test results indicate only the density and moisture content for the location and elevation tested only.
?ja V%W PROJECT NUMBER: M10004MT