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• EFCI SOUTHFIELD MINE <br />COAL REFUSE PILE <br />FINE REFUSE PLASTICITY TESTING <br />SAMPLE DESCRIPTIONS <br />Sample No. Description <br />1 Dark grey [o black granular material, non-cohesive, from [ce area, placed in approximately <br />1990 <br />2 Dark grey to blacJt fine-textured material, moderately-cohesive, Gom pile ou[slope, placed <br />in approximately 1991 <br />3 Dark grey to blacY material with high percentage of course fragments, moderately-cohesive, <br />from current pile nest, placed in approximately 1987 <br />4 Dark grey to black highly-granular material, moderately-cohesive, Gom active fill bench, <br />placed during late 1991 or early 1992 <br />5 Black fine-textured material, non-cohesive undrained, from active fill bench, recently placed <br />6 Black material with high percentage of angular carbonaceous material, non-cohesive <br />drained, from alive fill bench, recently placed <br />• 7 Black fine-textured material, non-cohesive undrained, from belt press discharge, 3/5/92 <br />8 Black fine-textured material, non-cohesive undramed, from belt press discharge, 3/5/92 <br />9 Black fine-textured material, non-cohesive undrained, from belt press discharge, 3/26/92 <br />l0A Black Cme-textured material, non-cohesive undrained, Gom belt press discharge, 3/26/92 <br />lOB Retest of Sample l0A <br />LJ <br />