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
SITE LOCATION: Somerset
PROJECT NO: M10004MT
ENGINEERING TECHNICIAN: Hayes
DATE: Wednesday, Dec/01/2010
Thursday, Dec/02/2010
CLIENT: Mountain Coal Company
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
12/1/2010
134 At RPE-01 6218.61 8 88.0 14.0 83.7 16.6 95 Coal gob, black
135 At RPE-02 6218.88 8 88.0 14.0 89.5 18.8 100 it of
136 At RPE-03 6218.38 8 103.0 9.0 103.3 10.0 100 it
137 At RPE-04 6218.48 8 88.0 14.0 89.8 8.6 100 "
138 At RPE-05 6216.93 8 88.0 14.0 90.0 19.2 100 "
139 At RPE-06 6217.10 8 103.0 9.0 93.6 9.9 91 "
140 At RPE-07 6213.97 8 103.0 9.0 96.9 19.0 94 "
141 At RPE-08 6207.54 8 88.0 14.0 87.5 13.3 99. "
142 At RPE-09 6201.91 8 103.0 9.0 97.9 17.4 95 "
12/02/2010
143 At RPE-01 6219.09 8 103.0 9.0 98.1 16.1 95
144 At RPE-02 6219.50 8 103.0 9.0 96.2 15.8 93 "
145 At RPE-03 6218.58 8 103.0 9.0 93.5 17.2 91 "
146 At RPE-04 6217.34 8 103.0 9.0 94.5 16.6 92
KEIVlAKKN: I tie test results indicate only the density and moisture content for the location and elevation tested only.
•
T4au+zrt n ???? ? PROJECT NUMBER: M10004MT