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~: l <br />lW _~ <br />~~ <br />COMMERCIAL TESTING & ENGINEERING CO. <br />GExERAL OfF10E S. 7t! xORTN LA SALLE STREET, CHICAGO. ILLINOIS 60601 ~ AREA CODE :~+: ;Z6~E~]e <br />Neply to <br />Instrumental Analysis Division <br />490 Orchard Street <br />Golden, CO 60401 <br />h1r. Jack Gillespie <br />C F & I Steel Corporation <br />P.O. Box 316 <br />Pueblo, CO 81002 <br />0 7 s~ <br />_~ , <br />ti i~`,l <br />III1 <br />RE: IAD =97-G017-032-12 ^'lIN1NG ~ JI <br />P.O. R M26144 O'E~'ARr <br />Release ~ 26689 M FN T <br />Analytical Report <br />Twelve samples were received for analyses on February 23, 1981. These <br />samples were given our identification IAD ;91-GO17-032-12. <br />n <br />U <br />A portion of each sample was first filtered for analyses of dissolved - . <br />constituents. Part of this filtrate was lightly digested for dissolved <br />metals. Also, a non-filtered portion of each sample was given a rigorous <br />digestion in hydrochloric and nitric acids. The digested solutions were <br />then analyzed for Total and Dissolved Iron, Manganese, and Zinc and for <br />Dissolved Calcium and tdagnesium by flame atomic absorption. The Dissolved <br />solution was also analyzed for Sodium and Potassium by flame emission. <br />Selenium was analyzed on the total preparation by hydride generation atomic <br />absorption. <br />Boron was determined colorimetrically by the curcumin method. Sulfate was <br />determined turbidimetrically using the procedures of Standard Methods, 14th <br />edition. <br />Conductivity, pH, Chloride and Fluoride were determined by specific ion <br />electrode methods. <br />Total Suspended Solids (TSS) and Total Dissolved Solids (TDS) were found <br />gravimetrically by Standard Methods. <br />Hardness was found by Titration as was Total Alkalinity. Carbonate and <br />Bicarbonate were found from the Alkalinity calculation. <br />In addition, TDS, Hardness, Ion Balance and Sodium Absorption Ratio (SAR) <br />were calculated from the dissolved constituents as a check of the analyses. <br />The results of these analyses are presented in the following tables and are___r . <br />reported in milligrams per litre (mg/1) except pH or as noted. +~'° <br />~~, •. l ~ <br />}I , _ . <br />777 - _s <br /> <br />Phone: 303-27&952 t <br />hlarch 31, 1981 <br />uulxe s. yr . u•.woxxr. .~ . n,u www. m . cu •x seo•e. wx . <L[vn.xo. o... oe+w• co. eo coew, co. xexoe•sow • . u,r, •..~ ...~oou ws•o .• <br />