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GEOTECH <br />Structural & Geotechnical <br />222 South Park Avo. • Montrose, CO 81401 <br />Ph.: (970) 249-6828 • FAX: (970) 249-0945 <br /> STANDARD PROCTOR ASTM D 698, ASTM D 4718 <br /> METHOD C <br />Project name Gob Pile Stability Date 1/19/2006 <br />Location moisture density sites @5" Project # 05/126/CMT <br />Sample # #3 Sample by BW <br />Soil description coal tailings Test by SM <br />Comments ~ Test for BB <br /> <br />Oversize Particles Determined by Sieve: 3/4" Max. Dry Density (fine fraction} (pcf}: 96.3 <br />Percentage Oversize Particles (by weight): 28.4 Optimum Moisture Content (fine fraction): 12.8% <br /> Bulk Specifc Gravity (GM): 2.40 Corrected Max. Dry Density (pcf): 107.2 <br /> Corrected Optimum Moisture Content: 10.2° <br />145 ~ ~ . <br />140 <br />125 <br />135 <br />130 <br />LL <br />U <br />a <br />j• 120 <br />N <br />z <br />p 115 <br />T <br />K <br />4 <br />110 <br />105 <br />10C <br />9E <br />nr <br />Z %0 3 %° 4 %° 5 %° a %° l %0 6 %° tl %° IU %e I I %° IG %° is %° iv%° io %° io %o a i° <br />MOISTURE CONTENT (%) <br />