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COMMERCIAL TESTING & ENGINEERING CO. •
<br />GEMERAI OnICE3: ]]E HOHTX LA SALLE STREET, CMICAG O. ILLINOIS e0601 AFEA GOOE ]~' 1]e~ea]a
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<br />Reply to
<br />Instrumental Analysis Division Phene: 303278.9521
<br />49o 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 Z(~ ~`
<br />Pueblo, CO 81002
<br />Re: IAD 997-E733-032-10 JUG L~Q JC
<br />Release 9R26675 7d/N/N ~Ep
<br />Purchase Order ~M26144 C QfP
<br />ANALYTICAL REPORT ARTMfNT
<br />Ten water samples were received for analyses on July 7, 1980. These samples
<br />were given our identification IAD t91-E733-D32-i0.
<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 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~~od'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 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 />e,nd 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 s_olutien
<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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