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<br />1 <br />L <br />1 <br /> <br />u <br /> <br /> <br /> <br />t <br /> <br /> <br />t <br /> <br /> <br />1 <br />TABLE 4-2 <br />SUMMARY OF MINERAL ANALYSIS OF ASH DATA AND CHLORINE CONTENT <br /> B SEAM D SEAM B & D <br /> AVERAGE' (RANGE) AVERAGE' (RANGE) AVERAGE' <br />Si02 60.?3 (38.22-72.02) 57 ~4 (46.13-71.95) 58.81 <br />A1tOa 21.66 (13.68-30.98) 24.87 (15.06-32.38) 23.18 <br />Ti02 0.74 (0.47-1.27) 0.86 (0.60-1.49) 0.79 <br />Fe20~ 3.23 (0.85-9.06) 3.55 (1.55-10.74) 3.39 <br />Ca0 4.40 (0.47-15.81) 3.66 (1.09-6.81) 4.05 <br />Mg0 1.54 (0.65-3.16) 1.29 (0.75-2.03) 1.42 <br />1020 0.67 (0.11-1.43) 0.71 (0.22-1.69) 0.69 <br />Na20 1.59 (0.97-2.52) 1.54 (0.72-2.85) 1.57 <br />SOj 3.94 (0:23-12.24) 3.20 (1.00-7.71) 3.59 <br />P205 0.20 (0.01-1.06) 0.59 (0.02-2.60) 0.39 <br />Sr0 0.28 0.28' 0.41 (0.17-0.65) 0.37 <br />Ba0 0.32 0.32' 0.45 (0.18-0.71) 0.40 <br />Mn30, 0.01 (0.00-0.03) 0.02 (0.00-0.09) 0.01 <br />Undetermined 1.77 (0.32-3.67) 2.39 (0.00-5.18) 2.06 <br />Chlorine" 0.04 (0.00-0.17) 0.05 (0.00-0.19) 0.04 <br />' Arithmetic Averages of Data Within LMU <br />'• Percent, Whole Coal Hasis <br />+ 1 Sample <br />17 <br /> <br />