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~ • GEOTECH~ <br /> ~ <br />__ J Civil, Structural 8~ Geotechnical Engineers <br />__ <br />__ <br />• _ 222 South Park Ave. • Montrose. CO 81401 <br />0945 <br />249 <br />970 <br />FAX <br /> } <br />- <br />: ( <br />Ph.: (970) 249-6828 • <br /> STANDARD PROCTOR ASTM D 698. ASTM D 4718 <br /> METHOD B <br />Project Name McClane Canyon Mine Gob Pile Stability Date 10/1/2007 <br />Project Location Garfield County CO Project # 07-334-GEO <br />Client McClane Canyon Mining, LLC Sample by BB <br />Test Location Stockpile near sediment pond Test by MS <br />Sample ID Gob#1 <br />Soil Description gob <br /> <br />Oversize Particles Determined by Sieve: 3/8" Max. Dry (Density (fine fraction) (pcf): 73.3 <br />Percentage Oversize Particles (by weight): 20.5 Optimum Moisture Content (fine fraction)(%): 22.0 <br /> Bulk Specific Gravity (GM): 1.32 Corrected Max. Dry Density (pcf): 75.1 <br /> Corrected Optimnum Moisture Content (%): 19.4 <br />l~l , <br />~J <br />13% 14% 15% 16% 17% 18% 19% 20% 21% 22% 23% 24% 25% 26% 27% 28% <br />MOISTURE CONTENT (%) <br />120 <br />115 <br />110 <br />105 <br />100 <br />~~ <br />95 <br />f- <br />rn <br />Z <br />0 90 <br />a: <br />D <br />85 <br />80 <br />75 <br />70 <br />65 <br /> <br />