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/ ~ ~~vt_~ v ~:, <br />~ TABLE 2.04.6-4 (Continued) ~ <br />JUL 2U 197T <br />• HAZEN RESEARCH. INC. ~ ~~~ <br />Mr. Rick Chilton <br />Sun Coal Company <br />1536 Cole Boulevard <br />Golden, Colorado 80401 <br />I 4601 INDIANA STREET <br />GOLDEN, COLORADO.80401 <br />TELEPHONE 303/279-4501 <br />Date: July 18, 1977 <br />Sample Received: 7/1/77 <br />HRI Project No. 4296 <br />HRI Series No. 11780-5 <br />Purchase Order <br />Sample 42C Pinnacle Seam 6-28-77 SW4SW4, Section 24, T6N, 87W <br />Designation 61.4-68.1 <br /> ELEMENTAL ANALYSIS OF ASH <br /> Oxide Assa <br /> 5102 48.57 <br /> A1203 2 8.42 <br /> T102 0.88 <br />• Fe2 Og 4.49 <br /> Ca0 7.28 <br /> Mg0 0.51 <br /> Na20 0.46 <br /> K20 0.62 <br /> P205 5.32 <br /> S03 0.20 <br /> ASH VISCOSTTY CALCULATIONS <br /> Base Content (Pct) 14.65 <br /> Acid Content (Pct) 85.36 <br /> Dolomite Content (Pct) 58.31 <br /> Base to Acid Ratio 0.18 <br /> Silica to Alumina Ratio 1.71 <br /> T250 (Temp in of for=250 poise) 2774 <br /> Equivalent Silica G ontent 79.82 <br /> Viscosity From Equivalent Silica (Poise) 803.1 <br />• <br /> ~"Fusibility-Viscosity of Lignite-Type Ash." A. F. Duzy, 1965. <br /> "Relationship of Coal-Ash Viscosity to Chemical Composition." W. L. Sage <br /> and J, B. McIlroy, 1960. <br />- 75 - (Rev. 5/86) <br />