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COMMERCIAL TESTING & ENGINEERING CO. • <br />GENERAL OrrICES: 222 NORTH LA SALLE STREET. CHICAGO. ILLINOIS 60601 AREA CODE 012 226.6436 <br />1 -'■l <br />Reply to <br />Instrumental Analysis Division Phone: 303278.9521 <br />490 Orchard Street <br />Golden, CO 80401 <br />July 24, 1980 <br />Mr. Jack Gillespie <br />C F S I Steel Corp. Q <br />P.O. Box 316 k7r/ <br />Pueblo, CO 81002 <br />Re: IAD 997-E733-032-10Release 9R26675d/Purchase Order IMM26144ANALYTICAL REPORT fNr <br />Ten water samples were received for analyses on July 7, 1980. These samples <br />were given our identification IAO t97 -E733-032-10. <br />The samples were analyzed for total iron, manganese, zinc, magnesium, and , <br />calcium by flame atomic absorption for sodium and potassium by flame emission <br />and for selenium by hydride generation atomic absorption. <br />Boron was determined colorimetrically, sulfate turbidimetrically, chloride and <br />fluoride by specific ion electrode, and dissolved solids (TOS), suspended <br />solids (TSS) and oil and grease (0 8 G) were determined gravimetrically by <br />the procedures of Standard Methods, 14th edition, pH, carbonate, bicarbonate, <br />alkalinity and specific conductance were all done by Standard Met,lod's <br />procedures, Hardness, sodium absorption ratio, and ion balance were calculated. <br />Note: Ion Balance calculations are made using dissolved alkali metal <br />numbers (Mg, Ca, Na, and K) and neglecting the use of. total heavy <br />metals (Fe, Mn, and Zinc) since they may be assumed to be negligible <br />in the dissolved sample. • If the ion balance ratio is high it may <br />be due to small amounts of dissolved heavy metals in the sample, not <br />accounted for. Furthermore, in samples of high pH, alkalinity, relation- <br />ship calculations may include amounts of hydrexide ion that, althouch <br />not called for in the analysis, needs to be considered when balancing <br />ions. <br />Hardness calculations are based on the amounts of dissolved calcium <br />and magnesium in the samples. Again, if hardness numbers are low, <br />it would be due to small amounts of dissolved heavy metals in the <br />samples that are not accounted for. Hardness calculations should not <br />be made including total metals since a digestion puts into solution <br />additional amounts of suspended solids. <br />The results of these analyses are presented in the following tables and are <br />reported in mg/l unless otherwise noted. <br />6nu.eL .rr . ,IAWINGFAMI. AL. C... IS sla.. wr . cl..auwa. Nv . euvu.•e 0.. at w... c0. eolo u. fa • n•e.•WN. n • Mv.A. Al •.•oou..... a• <br />.wnL .1..a 1. 1- •Couvl..c.— <br />