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AlkCOMMERCIAL TESTING & ENGINEERING CO. <br /> GENERAL OFFICES:1979 SOUTH HIGHLAND AVE.,SUITE 21",LOMBARD,ILLINOIS 60148•TEL 70&951MW FAX:708-954A306 <br /> 1906, <br /> v Sm Member of the SGS Group(SocidtA(3endr•Ie de Surveillance) <br /> PLEASE ADDRESS ALL CORRESPONDENCE TO: <br /> September 22, 1997 4665 PARIS STREET <br /> SUITE 8.200 <br /> DENVER,CO 80239 <br /> ' PUBLIC SERVICE COMPANY OF CO. TEL:(303)373-4772 <br /> 1500 W. Hampden Ave. FAX:(303)373-4791 <br /> Building SH Sample identification by <br /> Englewood CO 80110 PUBLIC SERVICE OF COLORADO <br /> SAMPLE ID: CAMEO #1 BOTTOM ASH <br /> Kind of sample ASH <br /> Sample taken by PUBLIC SERVICE OF COLORADO <br /> Date received August 18, 1997 <br /> Analysis report no. 72-365100 - <br /> PARAMETER RESULTS PARAMETER RESULTS <br /> Aluminum, Al 13 .63 $ Magnesium, Mg 0.63 's <br /> Antimony, Sb <4 ug/g Manganese, Mn 110 ug/g <br /> Arsenic, As 11 ug/g Mercury, Hg 0.02 ug/g <br /> Barium, Ba 1920 ug/g Molybdenum, Mo <20 ug/g <br /> Beryllium, Be 4 ug/g Nickel, Ni <4 ug/g <br /> Boron, B 280 ug/g Phosphorus, P 460 ug/g <br /> Cadmium, Cd <2 ug/g Potassium, K 0.70 4 <br /> Calcium, Ca 1.66 % Selenium, Se <4 ug/g <br /> Chromium, Cr 18 ug/g Silicon, Si 27.19 t <br /> Cobalt, Co 16 ug/g Silver, Ag <2 ug/g <br /> Copper, Cu 34 ug/g Sodium, Na 0.78 <br /> Iron, Fe 1.69 V Strontium, Sr 330 ug/g <br /> Lead, Pb 55 ug/g Titanium, Ti 3810 ug/g <br /> Lithium, Li 94 ug/g Vanadium, V 73 ug/g <br /> Zinc, Zn 28 ug/g <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 as indicated on an as received basis. <br /> aor.r.or4. <br /> d' <br /> Respectfully submitted, �o <br /> COMMERCIAL TESTING It ENGINEERING CO. <br /> Denver Laboratory <br /> OVER 40 BRANCH LABORATORIES STRATEGICALLY LOCATED IN PRINCIPAL COAL MINING AREAS,TIDEWATER AND GREAT LAKES PORTS,AND RIVER LOADING FACILITIES <br /> AC[ <br />