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Sequoia 404 N ,Eget Lane <br /> 1 4 D (9 )988-9600. Walnut Creek,CA 9459$ <br /> Analytical FAX(925)988-9673 <br /> Gettler-Ryan- Dublin Client Project ID Tosco 8S#6981, Stockton Sampled Jul 15, 1999 <br /> 6747 Sierra Court, Suite J Sample Descnpt Water, MW-8 Received Jul 16, 1999 <br /> Dublin, CA 94568 Analysis Method EPA 8260 Analyzed Jul 29, 1999 <br /> Attention Deanna Harding Lab Number 907-1237 Reported Aug 4, 1999 <br /> OXYGENATED COMPOUNDS (EPA 8260) <br /> Analyte Detection Limit Sample Results <br /> jug/L Ng/L <br /> t-Butanol 100 N D <br /> Methyl t-Butyl ter .. ... . ... ..... 2.0 <br /> Di-Isopropyl ter 20 <br /> Ethyl t-Butyl Ether (ETBE) 20 N D <br /> t-Amyl Methyl Ether(TAME) 20 N D <br /> Surrogates Control Limit % % Recovery <br /> Dlbromofluoromethane 50 150 109 <br /> 1,2-Dichloroethane-d4 50 150 105 <br /> Analytes reported as N D were not present above the stated limit of detection <br /> SEQUOIA ANALYTICAL, #7271 <br /> JettiVt lam(.. <br /> nnegley <br /> Project Manager <br /> 9071230 GET <10> <br /> .c$ <br />