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ASH GROVE <br /> ASH GROVE CEMENT SEATTLE PLANT <br /> 3801 EAST MARGINAL WAY SOUTH <br /> SEATTLE,WASHINGTON 98134 <br /> CERTIFIED MILL ANALYSIS NO. 98-17 <br /> Bin/Silo# 14,16,17,19 ASTM C-150 95 <br /> Type I-II Low Alkali <br /> Chemical Composition (ASTM C114-94 Rapid Methods) <br /> Si02 21.7 <br /> A1203 4.4 <br /> Fe/203 3.0 <br /> CaO 64.2 <br /> Mg0 2.0 <br /> SO3 2.75 <br /> Loss on Ignition 0.98 <br /> Insoluble Residue 0.20 <br /> Total Alkalies(as Na20) 0.48 <br /> Potential Compound Composition <br /> C3S 55 <br /> C2S 21 <br /> C3A 6.6 <br /> C4AF 9 <br /> Physical Tests <br /> Blaine Fineness,m2/kg (ASTM C204-96) 392 <br /> #325 Mesh%passing (ASTM C430-95) 97.8 <br /> Normal Consistency,%(ASTM CI87-86) 24.7 <br /> Vicat Setting Times,min.(ASTM C191-92) <br /> Initial 85 <br /> Final 180 <br /> False Set,% (ASTM C451-95) 82 <br /> Autoclave Expansion,% (ASTM C151-93a) 0.06 <br /> Air Entrainment%, (ASTM C185-95) 7.1 <br /> Compressive Strengths (ASTM C109-95) MPa psi <br /> 1 Day 15.0 2170 <br /> 3 Days 24.2 3510 <br /> 7 Days 30.7 4450 <br /> The cement represented here is certified to comply to the above noted specification(s). <br /> Date:August 4, 1998 Patrick J Noon Ai Chief Chemist <br />