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<br />Earth Engineering Consultants, Inc. <br />Summary of Laboratory Gradation Test <br />100% <br />89% <br />78% <br />.. 67% <br />56% <br />a <br />`m <br />45% <br />c <br />34% <br />a? <br />o_ <br />23% <br />12% <br />1% <br />-10% <br />10 1 0.1 0.01 0.001 <br />Grain Size in Millimeters <br />Sieve Size Percent Passing <br />No. 4 96% <br />No. 10 94% <br />No. 40 88% <br />No. 200 62.0% <br />Material Designation: 1082030.6 <br />Sample Location: Stockpile - Overburden Material <br />Material Description: Sandy Lean Clay - CL <br />AASHTO Classification: A-6 <br />Project: Turnpike Reservoir <br />Erie, Colorado <br />Project No: 1082030 <br />Date Apr-08 <br />E?EC*--