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Sample Origin W Valley, GOB Pile <br />Material Description Coal Waste <br />Soil Type Coal Waste <br />4= <br />130 <br />120 <br />710 <br />1oa <br />U <br />~} <br />F- 9( <br />' 8i <br />7 <br />6 <br />Test By DRS <br />Test Date 9-14-06 <br />Sample # 6 <br /> <br />50 <br />0 <br />5 10 15 20 25 <br />MOISTURE - % of DRY WEIGHT <br />(I j '"`'~ GRAND JUNCTION <br />LINCOLN - DeVORE, Inc. <br />~" Geotechnical Consultants <br />Grand Junction, Colorado <br /> Sieve Percent <br /> TEST RESULTS Size Passtnla <br /> MAXIMUM DENSITY: 69.0 pd <br /> OPTIMUM MOISTURE: 17.2% 5" <br /> 4" <br />-...-----~~--~-.._... .. ROCK CORRECTION: 3„ <br /> MAXIMUM DENSITY: 2„ <br /> OPTIMUM MOISTURE: <br /> 1 ''/z" <br /> 1 <br /> TEST METHOD: ASTM D-696 A <br /> PREP. METHOD: MOIST 3/4" <br />_. .,_. _..__.. _. _ _ HAMMER: MANUAL 1/2° <br /> '~ FRACTION USED: al4 3/6" 100 <br /> MOLD S12E: 4" diameter 4 99 <br /> 10 62 <br /> Specific Gravity: <br />~ 20 36 <br />i Liquid Limk: 40 24 <br />~ _ _ _ Plastic Limk: 100 12 <br /> _ Plaskicily Index: <br /> 200 7.6 <br /> 0.02 <br /> 0.005 <br /> urves for Zero Air Voids <br />,, <br /> <br />30 <br />Elk Creek Mine <br />Somerset, Colorado <br />Oxbow Mining, Inc. <br />Somerset, Colorado <br />Job No. Drawn Date <br />92198-GJ SV 9-19-06 <br />Rt"~~IVFfI SFP 2 ~ 9n~~r <br />