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f <br />• <br /> <br />l.t„1.i tC~. <br />TZ~a '- <br />COMMERCIAL TESTING & ENGINEERING CO. <br />Gllr[11AL Of11C13: 1Tl MOf/TM LA SAIL[ STf1l [T, CMICAD D. ILLIH013 faaal ~ Af1[A CDO! 71] 7]f.f ~]~ <br />Haply to <br />Instrumental Analysis Division <br />x90 Orenard Street <br />Golden, CO 80x01 <br /> <br /> <br />Mr. Jack Gillespie <br />C f k I Steel Corporation <br />P 0 Box 316 <br />Pueblo, Colorado 81002 <br />RE: IAD 997-C543-032-01 <br />Purchase Order 9 M26144 <br />,•.., •w <br />Pnone:703.7)8~95I1 <br />June 4, 1919 <br />Corrected Analytical Report <br />Water samples were received for analyses on 20, 1979. The <br />samples were given our identification lAD ;97-0543-032-07. <br />This report is to report values for boron after re-analyzing the <br />samples. <br />The samples were prepared for analyses by filtering through 0.45u <br />pore membrane filters. Barium, calcium, iron, magnesium, manganese <br />and silicon were determined by flame atomic absorption, potassium <br />and sodium by flame atomic emission spectrophotometry, and arsenic <br />and selenium by hydride generation. <br />The remaining parameters were determined by the methods of U.S. <br />Geological Survey Techniques of Water Resources Investioation, <br />Chapter Al, Book 5. <br />The results of these analyses are presented in the following tables <br />and are reported in mg/1 unless otherwise indicated. <br />If you have any questions concerning these analyses, please tali. <br />Ernest App ens, Ana yst <br />EA/as <br />1 + <br />ht. L. Jacoos, Ph.D., :•ingr. <br />Instrumental ;,nalysis Div. <br />;-:•_ <br />,'e' <br />~~ <br />1 , ~, <br />~~- <br />. y <br />.i~l:: <br />• [.P . <br />