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<br />COMMERCIAL TESTING & ENGINEERING CO. •
<br />GENERAL OFIICES: 771 NORTH LA SALLE STREET, CHICAGO. ILL~N011 eeEeT _ AREA GOOE 717 ne•eu[
<br />Reply t0
<br />Instrumental AnalVSis Division
<br />490 Orchard Street
<br />Golden, CO 80401
<br />Mr. Jack Gillespie
<br />C F & I Steel Corp.
<br />P.O. Box 316
<br />Pueblo, CO 81002
<br />
<br />July 24, 1980
<br />Phone: 303.278-9521
<br />Re: IAD 997-E733-032-10 J U( 4° ~ JC
<br />Purchase~Order59M26144 ,dININC Qfp EQ
<br />ANALYTICAL REPORT '4RT,riF
<br />Ten water samples were received for analyses on July 1, 1980. These samples
<br />were given our identification IAD 991-E733-032-10.
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<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 (TDS), suspended
<br />solids (TSS) and oil and grease (0 d 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: Ian 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 simples of high pH, alkalinity, relation-
<br />ship calculations may include amounts of hydroxide ion that, altf;ounh
<br />not called for in the analysis, needs to be considered when balancing
<br />ions.
<br />
<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/1 unless otherwise noted.
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