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COMMERCIAL TESTING & ENGINEERING CO <br /> GENERAL OFFICES' 226 NORTH LA SALLE STREET, CHICAGO. ILLINOIS 60601 AREA CODE 312 726.0434 <br /> � I <br /> 1 <br /> �C4.me <br /> Reply to <br /> Instrumental Analysis Division Phone: 303-278.9521 <br /> 490 Orchard Street <br /> ! ` Golden,CO 80401 <br /> ss February 19, 1980 <br /> Mr. Jack Gillespie <br /> CF & I Steel Corporation <br /> P.O. Box 316 <br /> Pueblo, CO 81002 <br /> Re: IAD I#97-D826-032-09 <br /> Release #R26658 <br /> Purchase Order #M26144 <br /> Analytical Report . <br /> Nine water samples were received for analyses on January 17, 1980. <br /> The samples were given our identification IAD #97-D826-032-09. <br /> The samples were analyzed for calcium, iron, magnesium, -manganese, <br /> and zinc by flame atomic absorption, for selenium by hydride generation <br /> atomic absorption, and for sodium and potassium by flame atomic emission <br /> spectrophotometry. <br /> The samples were analyzed for alkalinity, bicarbonate, carbonate, <br /> hardness, specific conductance, sulfate, pH value, dissolved solids, and <br /> suspended solids by the procedures of Standard Methods, 14th edition. <br /> Chloride and fluoride were determined by selective ion electrode methods, <br /> and boron colorimetrically. Sodium absorption ratio and the ion balance <br /> were calculated. <br /> The results of these analyses are presented in the following tables and <br /> are reported in- mg/l unless otherwise indicated. <br /> Table No. 1 <br /> Concentration in mg/l <br /> Allen Mine - 1/16/80 <br /> Parameter Above Discharge Below <br /> Boron <0.010 <0.010 <0.010 <br /> 1 Calcium 52 10 53 <br /> Iron, total 0.22 0. 18 0. 21 <br /> I Magnesium 10 2.9 11 <br /> Manganese, total 0.03 <0.01 0.03 <br /> AJ <br />