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TABLE 2.04.6-4 (Continued) <br />• HAZEN RESEARCH. INC. <br />4601 INDIANA STREET <br />GOLDEN, COLORADO • 80401 <br />TELEPHONE 303/279-4501 <br />Mr. Scott Leonhart Date: July 10, 1978 <br />Sun Coal Company Sample Received: 7/5/77 <br />HRI Project No: 4296 <br />• HRI Series No. 11781-3 <br />Purchase Order <br />Sample Hole 44C-Pinnacle Seam Date - 6-28-77 SE~E4, <br />Designation Section 23, T6N, R87W Footage - 68.7-75.6 <br />ELEMENTAL ANALYSIS OF ASH <br />O i e s a ° <br />5102 43.08 <br />A1203 28.40 <br />Ti02 1.09 <br />• Fe203 4.53 <br />Ca0 8.39 <br />Mg0 1.15 <br />Na20 0.18 <br />K20 0.22 <br />P205 4.93 <br />803 4.24 <br />ASH VISCOSITY CALCULATIONS <br />Base Content (Pct) 16.63 <br />Acid Content (Pct) 83.38 <br />Dolomite Content (Pct) 65.93 <br />Base to Acid Ratio 0.20 <br />Silica to Alumina Ratio 1.52 <br />T2Sp (Temp in of for 250 poise) 2703 <br />Equivalent Silica Content 75.39 <br />Viscosity From Equivalent Silica (Poise) 361.6 <br />. ~"Fusibility-Viscosity of Lignite-Type Ash." A. F. Duey, 1965. <br />"Relationship of Coal-Ash Viscosity to Chemical Composition." W, L. Sage <br />and J. B. McIlroy, 1960. <br />- 77 - (Rev. 5/86) <br />