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COMMERCIAL TESTING & ENGINEERING CO. <br /> 04 GFl4ERAL OFRCES:1919 SOUTH HIGHLAND AVE..SUITE 21UB,LOMBARD.ILUNOIS 60148•TEL 708-953-9300 FAX 708-953-9306 <br /> i 19080 <br /> i rv1r+r+r+ Member of the SGS Group lSwidid G6n6rela de Surnillence) <br /> PLEASE ADDRESS ALL CORRESPONDENCE TO: <br /> 4665 PARIS STREET <br /> SUITE B.2D0 <br /> September 22, 1997 DENVER.CO 80239 <br /> ' TEL:(303)3734772 <br /> PUBLIC SERVICE COMPANY OF CO. FAX:(303)373-4791 <br /> 1500 W. Hampden Ave. <br /> Building SH Sample identification by <br /> Englewood CO 80110 PUBLIC SERVICE OF COLORADO <br /> SAMPLE ID: ARAPAHOS BOTTOM ASH PRB <br /> Kind of sample ASH <br /> Sample taken by PUBLIC SERVICE OF COLORADO <br /> Date received August 18, 1997 <br /> Analysis report no. 72-365096 - <br /> PARAMETER RESULTS <br /> Carbon, C 1.53 <br /> Sulfur, S 0.648 <br /> Hydrogen 0.45 <br /> Nitrogen 0.03 <br /> Procedure: The sample was prepared and analyzed by approved EPA and <br /> methods designated on the client submittal sheet. <br /> Results: Results are reported in weight percent (Wt.t) , on <br /> an as received basis. <br /> d' <br /> Respectfully submitted, 'a <br /> COMMERCIAL TESTING d ENGINEERING CO. <br /> Denver Laboratory e <br /> OVER 40 BRANCH LABORATORIES STRATEGICALLY LOCATED IN PRINCIPAL COAL MINING AREAS.TIDEWATER AND GREAT LAKES PORTS,AND RIVER LOADING FACILITIES <br /> �f�S <br />