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COMMERCIAL TESTING & ENGINEERING CO. <br /> 04 GENERAL OFFICES:1919 SOUTH HIGHLAND AVE,SUITE2IPB,LOMBARD,ILLINOIS 60148•TEL 706-953-M FAX:706.953-9306 <br /> 1906• I V1 SG4"J, - <br /> •.. 47 Member of the SGS Group(Sxidtd Gdndrala do Surveillance) <br /> PLEASE ADDRESS ALL CORRESPONDENCE TO: <br /> 4665 PARIS STREET <br /> SUITE B-200 <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: ARAPAHOE BOTTOM ASH PRE; <br /> Rind 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 /> Bicarbonate Alkalinity, HCO3 <50 ug/g <br /> Carbonate Alkalinity, C032- 4400 ug/g <br /> Chloride, Cl 314 ug/g <br /> Fluoride, F 24 ug/g <br /> Nitrate, NO3 4.85 ug/g <br /> Sulfate, SO4 5470 ug/g <br /> Sulfur Trioxide, S03 0.13 4 <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 <br /> basis. <br /> r.o,4. <br /> e <br /> Respectfully submitted, <br /> COMMERCIAL TESTING d ENGINEERING CO. ° <br /> G) mil] '✓ t: <br /> �'1 �_/j� -Vt_-lam( �T`'`� �^'7 �.�.-r,• <br /> Denver Laboratory — <br /> OVER 40 BRANCH LABORATORIES STRATEGICALLY LOCATED IN PRINCIPAL COAL MINING AREAS,TIDEWATER AND GREAT LANES PORTS.AND RIVER LOADING FACILITIES <br /> 465 . <br />