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COMMERCIAL TESTING & ENGINEERING CO. <br /> jGENERAL OFFICES: 226 NORTH LA SALLE STREET, CHICAGO. ILLINOIS 60601 AREA CODE 312 726.8434 <br /> S-Ct•so• <br /> Reply to <br /> Instrumental Analysis Division January 28, 1980 Phone: 303.278.9521 <br /> 490 Orchard Street •Y <br /> Golden, CO 80401 <br /> Mr. Jack Gillespie <br /> CF&I Steel Corporation <br /> P.O. Box 316 <br /> Pueblo, CO 81002 <br /> RE: IAD #97-D690-032-09 <br /> Release No. : R26649 <br /> Purchase Order No. : M26144 <br /> ANALYTICAL REPORT <br /> At your request, the nine water samples were additionally analyzed for <br /> total iron and total manganese. The analyses were done by flame atomic <br /> absorption spectrophotometry. <br /> The results of these analyses are presented in Table No. 1 and are re- <br /> ported in mg/1 . <br /> Table No. 1 <br /> Concentration in mg/l <br /> Sample Iron,total Manganese,total <br /> Allen Mine <br /> Above 12/14/79 0. 14 0.02 <br /> Discharge 12/13/79 0.06 <0.01 <br /> Below 12/14/79 0. 17 0.04 <br /> Maxwell !tine <br /> Above 12/14/79 0.11 0.02 <br /> Discharge 12/13/79 1.08 0.02 <br /> Below 12/14/79 0. 13 0.02 <br /> Allen Dump <br /> hove 12/14/79 0.03 0.01 <br /> Below 12/ 14/79 0.21 0.02 <br /> Water Table 12/20/79 1 .89 0.29 <br /> If you have any questions concerning these analyses , pleas call . <br /> Ernest Appel Ifs M. L. J cobs , h.D. , Mngr. <br /> Section Supervisor Instrumental Analysis Div. <br /> FA./ams ' " <br />