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COMMERCIAL TESTING & ENGINEERING CO. <br />, <br />GENERAL OIrICES. 176 NORTH LA SALLE STREET. CHICAGO. ILLINOIS 63601 AREA CODE ata 7:6.6434 <br />'epiy to <br />nstrumental Analysis Division Phone: 303 276 9521 <br />90 Orchard Street January 9, 1980 <br />lo:den. CO 60401 <br />Ll <br />Mr. Jack Gillespie <br />CFEI Steel Corp. <br />P.O. Box 316 <br />Pueblo, CO 81002 <br />RE: IAD X97-0690-032-09 <br />Release No. R 26649 <br />Purchase Order No. M 26144 <br />Analytical Report <br />!line water samples were received for analyses on December 17, 1979. <br />The samples were given our identification IAD 97-0690-032-09. <br />The samples were analyzed for calcium, magnesium, and zinc by flame <br />atomic absorption, for selenium by hydride generation atomic absorption, <br />and for potassium and sodium by flame atomic emission. <br />Bicarbonate, carbonate, sulfate, pH value, specific conductance, and <br />total dissolved solids were determined by the procedures of Standard <br />Methods, 14th edition. Chloride and fluoride were determi.ned by selective <br />ion electrode methods. Boron was determined colorimetrically. Ion balance <br />and sodium absorption ratio were calculated. <br />The results of these analyses are presented in the following tables <br />and are reported in mq/1 unless otherwise indicated. <br />....... wn.� �A.y CD. +, -D/\pw ...i.Y,. .L ..uDD�11\O.O \• <br />