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L4~- ~7on <br />WESTERN <br />COLORADO <br />TESTING, <br />INC. <br />SOIL /AGGREGATE MOISTURE DENSITY RELATIONS <br />Client Powderhorn Coal Company Sampled By R. Butler ~ Date 4/12/95 <br />Project Waste Coal Piles Submitted By R. Butler Date 4/12/95 <br />Job No. 400395 Reviewed By~S/.J Date -/~= 9,i <br />Lab i Irnoice No. <br />Type of Material Waste Coal <br />Source of Material CRDA-1 Waste Coal Pile <br />Test Procedure AASHTO T-180, Method D <br />Max. Dry Density, pd 85.1 <br />Optimum Moisture Content, % 12.5 <br />84 <br />U <br />a . <br />z 82 <br />w <br />0 <br />0 <br />80 <br />6 8 LO 12 14 16 18 20 <br />MOISTURE CONTENT, % DRY WEIGHT <br />