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COMMERCIAL TESTING & ENGINEERING CO. <br /> GENERAL OFFICES: 228 NORTH LA SALLE STREET, CHICAGO, ILLINOIS 60601 AREA CODE 312 726-8434 <br /> Znt,L <br /> 3-cf 1904 <br /> Reply to <br /> Instrumental Analysis Division Phone: 303-278-9521 <br /> 490 Orchard Street <br /> Golden, CO 80401 November 11, 1980 <br /> Mr. Jack Gillespie <br /> C F & I Steel Corp, fru�/ 1 �; 1� 0 <br /> P.O. Box 36 <br /> Pueblo, CO 81002 PAINING DEPARTMENT <br /> RE: IAD #97-F142-032-01 <br /> Analytical Report <br /> One water sample was received for analyses on September 18, 1980. <br /> This sample was given our identification IAD #97-F142-032-01. <br /> The sample was analyzed for total Iron, Zinc and Manganese and <br /> dissolved Calcium, Magnesium, Iron, Zinc and Manganese by flame <br /> atomic absorption. The dissolved Sodium and Potassium were analyzed <br /> by flame emission. Total Selenium was analyzed by hydride generation <br /> atomic absorption. Samples for total metals were first digested in <br /> nitric and hydrochloric acids. <br /> Boron was determined colorimetrically; Sulfate, turbidimetrically and <br /> Chloride and Fluoride by specific ion electrode using the procedures of <br /> EPA-Methods for Chemical Analysis of Water and Wastes, 1979. Dissolved <br /> solids TDS) and To—taf Suspende Solids TSS—Twere determined gravimetrically <br /> by the procedures of Standard Methods, 14th edition. pH, Carbonate, Bi- <br /> carbonate, Alkalinity and Specific Conductance were all done by Standard <br /> Methods procedures . Sodium Absorption Ratio and Ion Balance were calculated. <br /> The results of these analyses are presented in Table No. 1 and are reported <br /> in milligrams per litre (mg/1 ) except pH or otherwise noted. <br /> )101.l�r0 <br /> 10 <br /> c� <br /> j — <br /> z � . <br /> � O <br /> J , <br /> L <br /> B",L INC 5 N' SIR MING HAM AL ^HARLFST PN rvV CI ARKS:IL:RC,, 'N I'L Ell NO r, C) :'J F es. .-., ., .,c•.^c i . ;.-.r . <br />