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1 <br /> <br /> <br />1 <br /> <br /> <br /> <br />1 <br /> <br /> <br /> <br />1 <br /> <br /> <br /> <br /> <br />1 <br /> <br />2.2.3 Expected quantity of material <br />The amount of coal that will fall below the 100 mesh size is also <br />not yet known for this coal. However it is expected that, after <br />the hydraulic mining, the trip through the flume, and beneficiation <br />in the surface plant, about 1$ of the coal will fall into the "coal <br />fines" which cannot be shipped or economically dried in the <br />mechanical driers. This would amount to about 10,000 tons of coal <br />fines per year, based on the peak delivery of 1,000,000 tons per <br />year currently proposed. <br />2.3 INCLUDED ASH <br />2.3.1 Nature of disposal material <br />All coal has at least some included ash. The samples taken to date <br />indicate about an average of 5$ ash of this kind. This ash is <br />generally in very small particles, and usually reports to coal <br />fines in somewhat greater concentration than in the coal as a <br />whole. In general the ash materials of this type is clay or silt <br />particles. This ash material will not affect the ability to ship <br />the coal in its own right, but will be present in any coal fines <br />that are not shipped. <br />In addition to the ash inherent in the coal, ash may also enter the <br />system due to encountering partings in the coal seam. Most coal <br />seams have at least a few partings, in which non-coal materials are <br />deposited within the coal seam itself. The material in the <br />partings may range from carbonaceous shale to silt or sand, <br />possibly indurated; it is most common to encounter clayey or silty <br />materials. Drilling at the Coal Ridge ~`1 minesite has not <br />sNote that NCEC does not contemplate the use of thermal driers <br />in any part of the dewaterinq process. <br />Adrian HroNn Consultants -7- 1145/900820 <br /> <br />