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COMMERCIAL TESTING & ENGINEERING CO. <br />~(M(ML Off,Gia: 271 MOIITM to SAIL[ sipfaT, CMICaGO. tllluet3 a0aat A~aA COea 7,a 17a•aU~ <br /> <br />Revly to <br />Inftrumental Analysif Division <br />490 Orchard Street <br />Golden, CO 80401 <br />Mr. Jack Gillespie <br />C F E I Steel Corp. <br />P.D. Box 316 <br />Pueblo, CO 81002 <br />Re: IAD 991-E733-032-10 <br />Release 9R26675 <br />Purchase Order 9M26144 <br />Jl,ty 2a, 1980 <br />ANALYTICAL REPORT <br />Phone: 303.278.9521 <br />Ten water samples were received for analyses on July 7, 1980. These samples <br />were given our identification lAD a"97-E733-032-10. <br />~'' <br />! The samples were <br />ca]cium by flame analyzed for total iron, manganese, zinc, magnesium, <br />atomic absorption for sodium and potassium by flame and <br />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 (755) and oil and grease (0 d G) were determined gravimetricnlly 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 ba ante were calculated. <br />Note: Ion Balance calculations are made using dissolved alkali me tai <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. ]f 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 hydroxide ion that, although <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 />rand 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 nat• <br />be made including total metals since a digestion puts into solution <br />(` additional amounts of suspended solids. y, ' <br />q <br />The results of these analyses are presented in the following tables and are ~~ .= <br />reported in mg/1 unless otherwise noted. ~„ ~ ~'• <br />'~e~`:' <br />