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Table 2 <br />• OVERBURDEN AND INTERBURDEN ANALYSES <br /> <br />Parameter Sample 1 <br />(Top) <br />(Shale) Sample 2 <br />(Top) <br />(Sandstone) Sample 3 <br />(Bottom) <br />Parameter Sample 1 <br />(Top) <br />(Shale) Sample 2 <br />(Top) <br />(Sandstone) Sample 3 <br />(Bottom) <br />1 4 <br />pH 4,9 7.9 5.3 Hg ppm 0.4 0.3 10.4 <br />1 t <br />mmhos/cm @ 25°C <br />E.C. 1,8 1.0 0.7 ppm <br />Mo 0.4 0.4 0,4 <br />) t <br />Saturation 36 27 30 ppm <br />Se 0.13 0.01 0.01 <br />) 2 <br />Soluble Cations Zn <br />ppm 4.34 1.35 0.25 <br />Ca meq/1 0,8 2.1 0.9 <br />Mg meq/1 0,9 2.9 0.4 N0 <br />-N ppm 36.7 30.7 26,1 <br />Na meq/1 2.5 3.0 4.9 3 <br /> Sand 4 32 60 * <br />S.A.R. 0.0 1.9 6.1 <br /> Silt ~ 34 23 <br />2 <br />As <br />PDm 0,29 0.10 0.11 <br /> Clay ~ 34 t7 <br />• B3 ppm 0,6 0.7 1.6 <br /> Combustible Solids 8 29 15 89 <br />2 <br />Cd ppm 0.01 0.01 0.01 <br /> Pyritic Sulfur 9 0.09 0.01 3.26 <br />2 <br />Cu ppm 6,59 2.64 0.40 <br /> Sulfate Sulfur ~ 0.01 0.01 0.01 <br />2 <br />Fe ppm 198 97.6 0.04 <br /> Organic Sulfur ~ 0.28 0.01 1,39 <br />2 <br />Pb <br />ppm 1.53 1.20 0.04 <br /> Total Sulfur +k 0.37 0.01 4,65 <br />2 <br />Mn ppm 1,52 16.1 0.20 <br />1 <br />2 From Saturated Paste Procedure <br />AB-DTPA Extraction <br />3 Hot Water Extraction <br />4 <br />Acid Extraction <br />* Samples contain large amounts of coal - particle size test is not applicable <br />• <br />MAR 0 ~ 19~ <br />2.oy-/~ <br />