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'~ Particle Size (mm) Percent Finer <br />l <br /> 12.700 lOD <br /> 11.2DO 97 <br /> 2.000 9I <br /> 1.000 87 <br /> 0.500 84 <br /> 0.250 82 <br /> 0.106 79 <br /> O.D45 56 <br /> 0.020 40 <br /> 0.010 31 <br /> 0.005 24 <br /> 0,002 17 <br /> 0.001 14 <br /> O.D001 0 <br />Storage Cap acity <br />The storage capacity of Sedimentation Pond 008 was also analyzed using the <br />SEDINOT TI computer program. Table 2 is a summary of the as-built storage <br />capacity (s ee Exhibit 7-17A). <br /> TAB LE 2 <br /> <br />. _ ,~ Seneca I I Mine <br /> As- Built Storage Capacity Summary <br /> Sediment Pond 008 <br /> Stage Capacity <br />Elevation (ft.) (Ac-ft) Description <br />7002.0 0 0 Bottom of Pond <br />7011.4 9.4 8.16 Elevation of Principal Spillway <br /> and 100% Sediment Storage <br />7013.8 11.8 12.73 10-year, 24-hour Peak Stage <br />7015.0 13 15.18 Elevation of Emergency Spillway <br />7016.7 14.7 19.12 25-year, 24-hour Peak Stage <br />7017.4 15.4 21.08 100-year, 24-hour Peak Stage <br />7019.1 17.1 Top of Embankment Elevation <br />Peabody does not anticipate any pit pumpage or other flow into the pond at <br />this time. <br />7-6f.1-6 <br />