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~~_ <br />~~~ COMMERCIALTESTING & ENGINEERING CO. <br />GENERAL OFFlCES: 1819 BOIJTH HIGHLAND AVE., 6UITE 270~B. LOMBARO, ILLINOIS a0748 • 1912) 953-8900 <br />~{ w Member M tlr SGS Group l~r•' Orriw a Bunemenal <br />PLEASE ADDRESS ALL CORRESPONDENCE 70: <br />70775 E. 51ST AVE.. DENVER, CO 80279 <br />TELEPHONE: (707) 9771772 <br />ARIZONA PUBLIC SERVICE COMPANY April 28, 1987 ' <br />P.O. Hox 53999 <br />Phoenix, Arizona 85072-3999 <br />Mail Station 1720 <br /> <br />l <br />1 <br />~ <br />samp <br />e <br />K nd o COAL <br />reported to us <br />l <br />k <br />n at <br />t <br />~ DURANGO COAL COMPANY <br />mp <br />e <br />a <br />e <br />~mple taken by DURANGO COAL COMPANY <br />Date sampled XXXXXXXX <br /> 04/20/87 <br />Date received <br />Sample identification <br />by <br />DURANGO COAL COEIPANY <br />Received 4/20/87 for APS <br />Analysis report no. 72-164281 <br />Hardgcove Grindability Index ~ 47 @ 0.40 8 loisture <br />A?parent Specific Gravity~@ 2.47 d Moisture (As Recd) 1.26 <br />MAF Btu/lb. 15278 <br />8 MAF Volatile 39.17 <br />B MAF Fixed Carbon 60.83 <br />Lbs. Sul. Dioxide / Mill. Btu 0.82 <br />8 Air Dry Loss ~ 1.34 <br />' /vs <br /> <br /> <br />Page 3 of 3 <br />Moist Mm free Btu/lD. 14903 <br />i Dry Mm free Volatile 38.95 <br />9 Dry, Mm free Fixed Carbon 61.05 <br />Lbs. Sul. / Mill. Btu 0.41 <br />As Recd Net Sample Wt <br />Refpecrhtlly euDmieeC, <br />' COMMERCIAL TE5T1~1G 8 ENGINEERING CO. <br />_ i <br />~ .... <br />i `r, ~,~. <br />-+Copy Wetemlarked MNe D r l.ebonl <br />For Your Proteerbn 18^~r Dsr~ er~..r.~ <br />OVER t0 BRANCH LABORATORIES STRATEGICALLY LOCATE IN PRINCI~AL COAL MINING AREAS <br />~I <br />~~ <br />2316.70 grams <br />,„e,.r.y <br />o` '~•~ . <br />~ ~. <br />u <br />'+ f <br />..fir. <br />Charier Member <br />