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120 <br />115 <br />110 <br />105 <br />100 <br />95 <br />90 <br />85 <br />80 <br />75 <br />0 5 10 15 20 <br />MOISTURE CONTENT - % <br />Sample Description COAL WASTE, BROWN, BLACK LIQUID LIMIT <br />PLASTICITY INDEX <br />Location DWA GRAVEL <br />NEW ELK MINE SAND <br />Compaction Test Procedure ASTM D 698 SILT AND CLAY pia <br />METHOD C DATE 12!1012012 <br />NEW ELK COAL COMPANY <br />NEW ELK COAL MINE <br />PROJECT NO. SCO2872 -345 <br />S:1Proctors\SC - 2900 - 28991SC 28721SCO2872 - 5.xls <br />CURVE NUMBER 5 <br />MAXIMUM DRY DENSITY <br />104.0 PcF <br />OPTIMUM MOISTURE CONTENT <br />9.0 % DRY WEIGHT <br />O <br />sfw <br />25 30 35 <br />Laboratory Moisture - <br />Density Test Results <br />FIG. 1 <br />